{"id":8560,"date":"2025-05-13T08:05:36","date_gmt":"2025-05-13T08:05:36","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8560"},"modified":"2026-04-27T11:15:57","modified_gmt":"2026-04-27T11:15:57","slug":"summary-of-food-antioxidant-action-mechanism-and-commonly-used-antioxidants","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/tr\/summary-of-food-antioxidant-action-mechanism-and-commonly-used-antioxidants\/","title":{"rendered":"G\u0131da antioksidan etki mekanizmas\u0131 ve yayg\u0131n olarak kullan\u0131lan antioksidanlar\u0131n \u00f6zeti"},"content":{"rendered":"<p>I\u3001G\u0131da antioksidanlar\u0131n\u0131n etki mekanizmas\u0131<\/p>\n<p>Et \u00fcr\u00fcnlerinin i\u015flenmesi, depolanmas\u0131, ta\u015f\u0131nmas\u0131 ve oksidasyon ve ek\u015fimenin di\u011fer y\u00f6nleri esas olarak et \u00fcr\u00fcnlerindeki doymam\u0131\u015f ya\u011f asitlerinin oksidasyonu ve ayr\u0131\u015fmas\u0131ndan kaynaklan\u0131r, bunun nedenleri esas olarak \u00fc\u00e7 \u00e7e\u015fittir, biri kendi enzimidir; ikincisi mikroorganizmalard\u0131r; ve \u00fc\u00e7\u00fcnc\u00fcs\u00fc otomatik oksidasyondur. Bu nedenle, et \u00fcr\u00fcnlerinin i\u015flenmesi, depolanmas\u0131 ve ta\u015f\u0131nmas\u0131 s\u00fcrecinde uygun miktarda antioksidan eklenmesi ve doymam\u0131\u015f ya\u011f asitlerinin oksidatif ayr\u0131\u015fmas\u0131n\u0131 \u00f6nlemek i\u00e7in uygun paketleme y\u00f6ntemlerinin kullan\u0131lmas\u0131 gerekmektedir.<br \/>\nBir\u00e7ok g\u0131da antioksidan\u0131 t\u00fcr\u00fc vard\u0131r, antioksidan mekanizmas\u0131 ayn\u0131 de\u011fildir, ancak \u00e7o\u011fu indirgeyici etkisine dayan\u0131r, g\u0131da antioksidanlar\u0131n\u0131n rol\u00fc esas olarak: G\u0131da antioksidanlar\u0131, g\u0131da ya\u011flar\u0131n\u0131n ve kat\u0131 ya\u011flar\u0131n otomatik oksidasyonunun zincirleme reaksiyonunu engellemek i\u00e7in hidrojen atomlar\u0131 sa\u011flayabilir, b\u00f6ylece g\u0131dan\u0131n bozulmas\u0131n\u0131n oksidasyonunu \u00f6nleyebilir; g\u0131da antioksidanlar\u0131 kendileri oksitlenir, g\u0131day\u0131 ve i\u00e7 oksijen ortam\u0131n\u0131 t\u00fcketir, b\u00f6ylece g\u0131da G\u0131da antioksidan\u0131n\u0131n kendisi oksitlenir, g\u0131dan\u0131n i\u00e7indeki ve ortamdaki oksijeni t\u00fcketir, b\u00f6ylece g\u0131da art\u0131k oksitlenmez; g\u0131da antioksidan\u0131, oksidatif enzimlerin aktivitesini inhibe ederek g\u0131dan\u0131n oksidatif bozulmas\u0131n\u0131 \u00f6nler.<\/p>\n<p>1. Ya\u011fda \u00e7\u00f6z\u00fcnen antioksidanlar<\/p>\n<p>Ya\u011fda \u00e7\u00f6z\u00fcnen antioksidanlar, y\u00fcksek lipit i\u00e7eri\u011fine sahip g\u0131dalar i\u00e7in uygun olup, bu g\u0131dalardaki lipit maddelerin ve besinlerin i\u015fleme ve kullan\u0131m s\u0131ras\u0131nda oksitlenmesini ve ac\u0131la\u015fmas\u0131n\u0131 veya ayr\u0131\u015fmas\u0131n\u0131, b\u00f6ylece t\u00fcm g\u0131dan\u0131n tats\u0131z ve ek\u015fimi\u015f hale gelmesini \u00f6nler.<br \/>\n(1) Butil hidroksianisol<br \/>\nB\u00fctil hidroksi anisol, tert-b\u00fctil-4-hidroksi anisol, hidroksi anisol, molek\u00fcler form\u00fcl C11H6O2 olarak da bilinir, piyasada sat\u0131lan BHA esas olarak 3-BHA ve az say\u0131da 2-BHA kar\u0131\u015f\u0131m\u0131d\u0131r. BHA renksiz ila sar\u0131ms\u0131 mumsu kristal bir tozdur, fenolik spesifik kokusu ve tahri\u015f edici tad\u0131 vard\u0131r; erime noktas\u0131 3-BHA, 2-BHA'n\u0131n kar\u0131\u015f\u0131m oran\u0131na g\u00f6re de\u011fi\u015fir, \u00f6rne\u011fin, 3-BHA 95%'yi olu\u015fturdu\u011funda erime noktas\u0131 62 \u2103, kaynama noktas\u0131 264-270 \u2103'dir. BHA 95%'ye kar\u015f\u0131l\u0131k gelir, erime noktas\u0131 62 \u2103, kaynama noktas\u0131 264 ~ 270 \u2103; BHA suda \u00e7\u00f6z\u00fcnmez, ya\u011fda ve organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcnebilir; BHA \u0131s\u0131ya kar\u015f\u0131 olduk\u00e7a kararl\u0131d\u0131r, zay\u0131f alkali ko\u015fullarda yok edilmesi kolay de\u011fildir, iyi bir dayanma kabiliyetine sahiptir, bu \u00f6zelli\u011fi f\u0131r\u0131nlanm\u0131\u015f \u00fcr\u00fcnlerde kullan\u0131labilir; BHA, pembe rengin rol\u00fc ile alkali toprak metal iyonlar\u0131 olabilir; BHA belirli bir u\u00e7uculuk derecesine sahiptir, BHA u\u00e7ucudur ve su buhar\u0131 ile dam\u0131t\u0131labilir, y\u00fcksek s\u0131cakl\u0131ktaki \u00fcr\u00fcnlerde, \u00f6zellikle kaynat\u0131lm\u0131\u015f \u00fcr\u00fcnlerde kaybolmas\u0131 kolayd\u0131r, BHA g\u0131da ambalaj malzemelerinde kullan\u0131labilir.<br \/>\nBHA'n\u0131n g\u0131da antioksidan\u0131 olarak kullan\u0131m\u0131 1954 y\u0131l\u0131nda ba\u015flam\u0131\u015ft\u0131r ve hayvansal ya\u011flar \u00fczerindeki antioksidan etkisi bitkisel ya\u011flara g\u00f6re daha etkilidir.<br \/>\nYa\u011fda \u00e7\u00f6z\u00fcnen bir antioksidan olarak BHA, ya\u011fl\u0131 ve ya\u011f bak\u0131m\u0131ndan zengin g\u0131dalarda kullan\u0131ma uygundur ve iyi termal stabilitesi nedeniyle k\u0131zartma veya f\u0131r\u0131nlama ko\u015fullar\u0131nda kullan\u0131labilir. Buna ek olarak, BHA hayvansal ya\u011flar \u00fczerinde g\u00fc\u00e7l\u00fc bir antioksidan etkiye ve doymam\u0131\u015f bitkisel ya\u011flar \u00fczerinde zay\u0131f bir antioksidan etkiye sahiptir; BHA donmu\u015f domuz pirzolalar\u0131n\u0131n \u00e7\u00fcr\u00fcmesini ve bozulmas\u0131n\u0131 geciktirmek i\u00e7in sodyum tripolifosfat ve askorbik asit ile birlikte kullan\u0131labilir; BHA ayr\u0131ca spreyle kurutulmu\u015f tam ya\u011fl\u0131 s\u00fct tozunun raf \u00f6mr\u00fcn\u00fc biraz uzatabilir ve peynirin raf \u00f6mr\u00fcn\u00fc iyile\u015ftirebilir; BHA, ac\u0131 biber ve ac\u0131 biber tozlar\u0131n\u0131n rengini stabilize eder ve yer f\u0131st\u0131\u011f\u0131, ceviz ve di\u011fer g\u0131dalar\u0131n oksitlenmesini \u00f6nler; kabartma ya\u011f\u0131 ve tuza eklenen BHA, unlu mamullerin ve tuzlu yer f\u0131st\u0131\u011f\u0131n\u0131n aromas\u0131n\u0131 koruyabilir ve unlu mamullerin raf \u00f6mr\u00fcn\u00fc uzatabilir; BHA, daha iyi bir etkiye sahip olan di\u011fer ya\u011fda \u00e7\u00f6z\u00fcnen antioksidanlarla birlikte kullan\u0131labilir, \u00f6rne\u011fin, BHA ve BHT bile\u015fimi kullan\u0131m\u0131 tavuk, sazan, domuz pirzolas\u0131 ve dondurulmu\u015f f\u00fcme domuz eti dilimlerini vb. koruyabilir.<br \/>\n(2) Dib\u00fctilhidroksitoluen<br \/>\nDib\u00fctil hidroksitoluen, 2,6-dib\u00fctil-p-kresol olarak da bilinir, molek\u00fcler form\u00fcl\u00fc C15H24O, renksiz kristaller veya beyaz kristal toz, kokusuz, tats\u0131z, erime noktas\u0131 69.5-705 \u2103, kaynama noktas\u0131 265 \u2103; BHT suda ve gliserolde \u00e7\u00f6z\u00fcnmez, etanolde ve \u00e7e\u015fitli kat\u0131 ve s\u0131v\u0131 ya\u011flarda \u00e7\u00f6z\u00fcn\u00fcr; BHT kimyasal olarak kararl\u0131d\u0131r, \u0131s\u0131ya kar\u015f\u0131 olduk\u00e7a kararl\u0131d\u0131r, iyi antioksidan etkiye sahiptir ve metal ile reaksiyon, su buhar\u0131 u\u00e7uculu\u011fu ile \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda Monofenol tipi s\u00fcblimasyon \u00f6zellikleri ile renklendirilmez; BHT antioksidan etkisi daha g\u00fc\u00e7l\u00fcd\u00fcr, PG gibi metal iyonlar\u0131 ile reaksiyonun renklendirmesi gibi eksiklikler yoktur ve BHA'n\u0131n kendine \u00f6zg\u00fc kokusu yoktur ve fiyat\u0131 ucuzdur, ancak toksisitesi nispeten y\u00fcksektir.<br \/>\nBHT'nin s\u0131\u00e7anlardaki oral LD50 de\u011feri 1,7-1,97 g\/kg ve farelerdeki oral LD50 de\u011feri 1,39 g\/kg'd\u0131r. BHT'nin akut toksisitesi BHA'dan biraz daha fazlad\u0131r, ancak kanserojen de\u011fildir ve kabul edilebilir g\u00fcnl\u00fck al\u0131m\u0131 (ADI) 0-0.125mg\/kg'd\u0131r.<br \/>\nBHT'nin ya\u011fda \u00e7\u00f6z\u00fcnen antioksidan olarak kullan\u0131m\u0131 temelde BHA ile ayn\u0131d\u0131r, BHT, \u015fortening gibi bitkisel ya\u011flar\u0131n oksidatif ac\u0131la\u015fmas\u0131n\u0131 etkili bir \u015fekilde geciktirebilir ve k\u0131zarm\u0131\u015f fast foodlar\u0131n saklama s\u00fcresini iyile\u015ftirebilir, ancak antioksidan etkisi tek ba\u015f\u0131na kullan\u0131ld\u0131\u011f\u0131nda BHA'n\u0131nki kadar iyi de\u011fildir ve ayr\u0131ca BHT, antioksidan etkisini de art\u0131rabilen sitrik asit ile birlikte kullan\u0131labilir.<\/p>\n<p>(3) Propil Gallat<br \/>\nPropil gallat olarak da bilinen ve molek\u00fcler form\u00fcl\u00fc C10H12O5 olan propil gallat, beyaz ila a\u00e7\u0131k sar\u0131-kahverengi kristal toz veya s\u00fct beyaz\u0131 i\u011fne benzeri kristallerdir, kokusuzdur, hafif ac\u0131d\u0131r, sulu \u00e7\u00f6zeltinin tad\u0131 yoktur; PG, etanol gibi organik \u00e7\u00f6z\u00fcc\u00fclerde kolayca \u00e7\u00f6z\u00fcn\u00fcr, ya\u011flarda ve suda az \u00e7\u00f6z\u00fcn\u00fcr; PG nispeten \u0131s\u0131ya dayan\u0131kl\u0131d\u0131r, iyi bir antioksidan etkiye sahiptir, mor veya koyu ye\u015file d\u00f6n\u00fc\u015fmek i\u00e7in bak\u0131r ve demir iyonlar\u0131 ile kromojenik reaksiyona girmesi kolayd\u0131r; PG higroskopiktir, \u0131\u015f\u0131\u011fa kar\u015f\u0131 karars\u0131zd\u0131r ve ayr\u0131\u015fmas\u0131 kolayd\u0131r, s\u0131v\u0131 ve kat\u0131 ya\u011flar i\u00e7in g\u00fc\u00e7l\u00fc antioksidan yetene\u011fe sahiptir ve sitrik asit veya bak\u0131r ve demir iyonlar\u0131 i\u00e7in g\u00fc\u00e7l\u00fc antioksidan yetene\u011fe sahiptir. PG higroskopiktir, \u0131\u015f\u0131\u011fa kar\u015f\u0131 karars\u0131zd\u0131r ve kolay ayr\u0131\u015f\u0131r, ya\u011f ve gres i\u00e7in g\u00fc\u00e7l\u00fc antioksidan yetene\u011fe sahiptir ve antioksidan yetene\u011fi sitrik asitle kullan\u0131ld\u0131\u011f\u0131nda veya sinerjist olarak BHA ve BHT ile birle\u015ftirildi\u011finde daha da g\u00fc\u00e7l\u00fcd\u00fcr.<br \/>\nPG'nin s\u0131\u00e7anlardaki oral LD50 de\u011feri 3,8 g\/kg ve ADI de\u011feri 0-0,2 mg\/kg'd\u0131r.<br \/>\nYa\u011fda \u00e7\u00f6z\u00fcnen bir antioksidan olarak PG, bitkisel kat\u0131 ve s\u0131v\u0131 ya\u011flarda kullan\u0131m i\u00e7in uygundur ve hayvansal ya\u011flar \u00fczerindeki antioksidan etkisi BHA ve BHT'ye g\u00f6re daha belirgindir, ancak PG bitkisel ya\u011f i\u00e7eren eri\u015fte \u00fcr\u00fcnlerinde BHA ve BHT kadar etkili de\u011fildir.PG'nin antioksidan etkisi potansiyostat ile birlikte kullan\u0131ld\u0131\u011f\u0131nda daha iyi olacakt\u0131r ve ayr\u0131ca antioksidan etkisi BHA ve BHT ile birlikte kullan\u0131ld\u0131\u011f\u0131nda daha iyi olacakt\u0131r. PG ve demir iyonlar\u0131 mor kompleksler olu\u015fturaca\u011f\u0131ndan ve g\u0131dalarda renk bozulmas\u0131na neden olaca\u011f\u0131ndan, PG'nin uygun metal \u015felatlama ajanlar\u0131yla birlikte kullan\u0131lmas\u0131 daha iyidir.<br \/>\n(4) tert-butyl hydroquinone (tert-butyl hydroquinone, <a href=\"https:\/\/changhongchemical.com\/product\/chlumiao-tbhq-cas-1948-33-0\/\">TBHQ<\/a>) tert-butyl hydroquinone, also known as tert-butyl hydroquinone, molecular formula for the C10H14O2, for the white powder crystals, has a special smell, easily soluble in ethanol, acetic acid and ether, and soluble in animal and plant fats and oils; slightly soluble in water, and does not form a coloured substance with iron, copper ions, but in the light or alkaline conditions. It is slightly soluble in water, does not form coloured substances with iron and copper ions, but will be pink in light or alkaline conditions.<br \/>\n\u00c7in'in G\u0131da Katk\u0131 Maddelerinin Kullan\u0131m\u0131na \u0130li\u015fkin Hijyenik Standard\u0131na g\u00f6re TBHQ, yenilebilir s\u0131v\u0131 ve kat\u0131 ya\u011flarda, k\u0131zart\u0131lm\u0131\u015f g\u0131dalarda, kurutulmu\u015f bal\u0131k \u00fcr\u00fcnlerinde, bisk\u00fcvilerde, haz\u0131r eri\u015ftelerde, \u00e7abuk pi\u015firilmi\u015f pirin\u00e7te, konserve kuru meyvelerde ve kurutulmu\u015f et \u00fcr\u00fcnlerinde maksimum 0,2 g\/kg kullan\u0131m seviyesi ile kullan\u0131labilir. Et \u00fcr\u00fcnleri i\u00e7in TBHQ, dondurulmu\u015f k\u00f6ftelerin ek\u015fimi\u015f bir koku \u00fcretme s\u00fcresini etkili bir \u015fekilde uzatabilir.<br \/>\nTBHQ \u0131s\u0131 direnci zay\u0131ft\u0131r, k\u0131zartma, pi\u015firme ko\u015fullar\u0131nda kullan\u0131lmamal\u0131d\u0131r, oda s\u0131cakl\u0131\u011f\u0131nda depolama s\u00fcrecinde bitkisel s\u0131v\u0131 ve kat\u0131 ya\u011flar\u0131n oksidasyonunu \u00f6nleme etkisini art\u0131rmak i\u00e7in BHA ile birlikte kullan\u0131labilir, ayr\u0131ca TBHQ'nun belirli bir bakteriyostatik etkisi vard\u0131r, TBHQ di\u011fer antioksidanlar ve \u015felatlama maddeleri \u00fczerinde sinerjik bir etkiye sahiptir. Bitkisel ve hayvansal ya\u011flarda TBHQ genellikle sitrik asit ile birlikte kullan\u0131l\u0131r. Domuz ya\u011f\u0131n\u0131n oksidatif stabilitesi reaktif oksijen t\u00fcrleri y\u00f6ntemiyle belirlendi\u011finde, TBHQ, BHA'ya e\u015fittir ve BHT ve PG'yi a\u015far ve TBHQ, ambalaj malzemelerine katk\u0131land\u0131\u011f\u0131nda domuz ya\u011f\u0131n\u0131n oksidatif bozulmas\u0131n\u0131 etkili bir \u015fekilde \u00f6nleyebilir.<br \/>\n(5) Di\u011fer ya\u011fda \u00e7\u00f6z\u00fcnen antioksidanlar<br \/>\nDilauryl thiodipropionate (DLTP) DLTP beyaz kristal pullar veya tozdur, \u00f6zel tatl\u0131 kokulu, ester benzeri kokulu, suda \u00e7\u00f6z\u00fcnmez, \u00e7o\u011fu organik \u00e7\u00f6z\u00fcc\u00fcde \u00e7\u00f6z\u00fcn\u00fcr.DLTP hayvansal ve bitkisel kat\u0131 ve s\u0131v\u0131 ya\u011flarda kullan\u0131labilir, tek ba\u015f\u0131na kullan\u0131m\u0131 PG, BHA, BHT'nin etkisi kadar iyi de\u011fildir, genellikle di\u011fer ya\u011fda \u00e7\u00f6z\u00fcnen antioksidanlarla birlikte kullan\u0131l\u0131r. DLTP hayvansal ve bitkisel kat\u0131 ve s\u0131v\u0131 ya\u011flarda kullan\u0131labilir.<br \/>\nL-askorbil palmitat (askorbil palmitat) Askorbik asit-6-palmitat, askorbil stearat olarak da bilinen L-askorbil palmitat, beyaz veya sar\u0131ms\u0131 beyaz toz, hafif turun\u00e7gil kokulu, suda veya bitkisel ya\u011fda \u00e7ok \u00e7\u00f6z\u00fcn\u00fcr, etanolde \u00e7\u00f6z\u00fcn\u00fcr.<br \/>\nL-askorbil palmitat suda \u00e7\u00f6z\u00fcn\u00fcr, ancak yine de ya\u011fda \u00e7\u00f6z\u00fcnen antioksidan olarak kullan\u0131l\u0131r, hayvansal ve bitkisel kat\u0131 ve s\u0131v\u0131 ya\u011flarda ve bir\u00e7ok g\u0131da t\u00fcr\u00fcnde kullan\u0131ma uygundur. Genellikle PG, BHA, BHT ile kar\u0131\u015ft\u0131r\u0131l\u0131r.<br \/>\nAnoksomer (anoksomer) Anoksomer, suda, gliserolde ve propilen glikolde \u00e7\u00f6z\u00fcnmeyen, etanol ve bitkisel ya\u011flarda \u00e7\u00f6z\u00fcnen ve dietil eter, kloroform ve benzende \u00e7ok \u00e7\u00f6z\u00fcnen, ayr\u0131k kirli beyaz bir tozdur. Arnoksolomid, y\u00fcksek g\u00fcvenlikli yeni bir ya\u011fda \u00e7\u00f6z\u00fcnen antioksidan t\u00fcr\u00fcd\u00fcr, her t\u00fcrl\u00fc ya\u011f veya ya\u011f i\u00e7eren g\u0131dada kullan\u0131labilir, g\u0131dadaki ya\u011f miktar\u0131 a\u00e7\u0131s\u0131ndan kullan\u0131m limiti 5 g \/ kg'd\u0131r.<\/p>\n<p>2\u3001Suda \u00e7\u00f6z\u00fcnen antioksidanlar<\/p>\n<p>Suda \u00e7\u00f6z\u00fcnen antioksidanlar suda \u00e7\u00f6z\u00fcnebilir, esas olarak g\u0131dalar\u0131n oksidasyonunu ve renk de\u011fi\u015fimini \u00f6nlemek i\u00e7in kullan\u0131l\u0131r, suda \u00e7\u00f6z\u00fcnen antioksidanlar \u00e7o\u011funlukla meyve ve sebzelerin i\u015flenmesinde veya depolanmas\u0131nda oksidasyonun neden oldu\u011fu kahverengile\u015fme ve di\u011fer bozulma olaylar\u0131n\u0131 ortadan kald\u0131rmak veya yava\u015flatmak i\u00e7in kullan\u0131l\u0131r.<br \/>\n(1) L-askorbik asit<\/p>\n<p>VC olarak da bilinen L-askorbik asit, molek\u00fcler form\u00fcl C6H8O6, beyaz veya hafif sar\u0131 kristaller veya toz, kokusuz, asidik tat; \u0131\u015f\u0131\u011fa maruz kald\u0131\u011f\u0131nda renk yava\u015f yava\u015f koyula\u015f\u0131r, kuru hal nispeten kararl\u0131d\u0131r, ancak sulu \u00e7\u00f6zeltisi, \u00f6zellikle n\u00f6tr veya alkali \u00e7\u00f6zeltide h\u0131zla oksitlenir ve ayr\u0131\u015f\u0131r; L-askorbik asit suda kolayca \u00e7\u00f6z\u00fcn\u00fcr, benzen, eter ve di\u011fer \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcnmez; sulu \u00e7\u00f6zelti \u0131s\u0131 ile kolayca oksitlenir. L-askorbik asit suda kolayca \u00e7\u00f6z\u00fcn\u00fcr, benzen, eter ve di\u011fer \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcnmez; sulu \u00e7\u00f6zelti \u0131s\u0131, \u0131\u015f\u0131k vb. ile kolayca tahrip olur, \u00f6zellikle alkali ve metal iyonlar\u0131n\u0131n varl\u0131\u011f\u0131nda tahribat\u0131n\u0131 art\u0131r\u0131r, bu nedenle kullan\u0131m s\u0131ras\u0131nda kaplarda metallerin kar\u0131\u015ft\u0131r\u0131lmamas\u0131na veya hava ile temas etmemesine dikkat edilmelidir.<br \/>\nAskorbik asidin normal dozunun insan \u00fczerinde toksik etkisi yoktur, ADI 0\uff5e15mg\/kg'd\u0131r. askorbik asit, meyve suyu ve gazl\u0131 i\u00e7eceklerde oksidasyon ve bozulmalar\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131labilir; askorbik asit, konserve meyvelerde oksidasyon nedeniyle bozulma, renk ve lezzet de\u011fi\u015fikli\u011fini \u00f6nlemek ve konserve meyvelerin kalitesini korumak i\u00e7in kullan\u0131l\u0131r ve dozaj 0'd\u0131r.025%\uff5e0.06%; konserve sebzelerin \u00e7o\u011funa askorbik asit eklenmez, sadece mantar ve karnabahar konservesine eklenir. Sadece mantar ve karnabahar konservelerine \u0131s\u0131tma s\u0131ras\u0131nda kahverengile\u015fmeyi veya kararmay\u0131 \u00f6nlemek i\u00e7in askorbik asit eklenir ve askorbik asit dozaj\u0131 0'd\u0131r.1%; askorbik asit dondurulmu\u015f g\u0131dalarda kullan\u0131labilir, bu da dondurulmu\u015f meyvelerde enzim kahverengile\u015fmesini ve lezzetin bozulmas\u0131n\u0131 \u00f6nleyebilir, suda \u00e7\u00f6z\u00fcn\u00fcr pigmentlerin oksidatif renk de\u011fi\u015fimini \u00f6nleyebilir ve dondurulmu\u015f g\u0131dan\u0131n lezzetini, rengini ve kalitesini koruyabilir; askorbik asit \u015farab\u0131n orijinal lezzetini korumak i\u00e7in \u015farapta kullan\u0131labilir ve birada filtreleme s\u0131ras\u0131nda 0.01-0.0% eklenebilir. Oksidatif esmerle\u015fmeyi \u00f6nlemek i\u00e7in filtreleme s\u0131ras\u0131nda 0.01-0.02g\/kg askorbik asit ekleyin; et \u00fcr\u00fcnlerinde kullan\u0131ld\u0131\u011f\u0131nda, taze etin pigment stabilizat\u00f6r\u00fc ve k\u00fcrlenmi\u015f etin renklendirici maddesi olarak kullan\u0131labilir; su \u00fcr\u00fcnlerinde kullan\u0131ld\u0131\u011f\u0131nda, dimetilamin olu\u015fumunu \u00f6nleyebilir ve karideslerin kararmas\u0131n\u0131 geciktirebilir.<br \/>\n(2) L-askorbik asit sodyum<\/p>\n<p>C6H7O6Na i\u00e7in L-askorbik asit sodyum molek\u00fcler form\u00fcl\u00fc, beyaz veya hafif sar\u0131ms\u0131 beyaz kristaller veya kuru halde stabil olan kristal toz i\u00e7in, higroskopiklik g\u00fc\u00e7l\u00fcd\u00fcr; L-askorbik asitten daha L-askorbik asit sodyum suda \u00e7\u00f6z\u00fcn\u00fcr, etanolde \u00e7\u00f6z\u00fcnmesi son derece zordur; \u0131\u015f\u0131\u011f\u0131n rengi giderek koyula\u015f\u0131yor ve antioksidan etkisi ve L-askorbik asit. Sodyum L-askorbat\u0131n toksisitesi L-askorbik asit ile ayn\u0131d\u0131r ve kullan\u0131m y\u00f6ntemi temelde ayn\u0131d\u0131r, ancak L-askorbik asidin asitli\u011fi nedeniyle, asidik maddelerin eklenmesi i\u00e7in uygun olmayan g\u0131dalarda L-askorbik asit yerine kullan\u0131labilir; et \u00fcr\u00fcnleri i\u00e7in, sodyum L-askorbat renklendirici bir yard\u0131mc\u0131 olarak kullan\u0131labilir ve ayn\u0131 zamanda etin lezzetini koruyabilir ve et \u00fcr\u00fcnlerinin esnekli\u011fini art\u0131rabilir.<\/p>\n<p>(3) \u0130zoaskorbik asit<br \/>\nC6H8O6 i\u00e7in izoaskorbik asit molek\u00fcler form\u00fcl\u00fc, VC'nin bir stereoizomeridir, beyaz ila a\u00e7\u0131k sar\u0131 kristaller veya kristal toz, kokusuz, asidik tat i\u00e7in VC'ye benzer kimyasal \u00f6zellikler; \u0131\u015f\u0131k yava\u015f yava\u015f rengi koyula\u015ft\u0131r\u0131r, havadaki kuru hal olduk\u00e7a kararl\u0131d\u0131r ve havaya maruz kald\u0131\u011f\u0131nda \u00e7\u00f6zelti i\u00e7inde h\u0131zla bozulur; izoaskorbik asit suda \u00e7ok \u00e7\u00f6z\u00fcn\u00fcr, gliserolde \u00e7\u00f6z\u00fcnmez, benzen, eterde \u00e7\u00f6z\u00fcnmez; izoaskorbik asit \u0131s\u0131 direnci zay\u0131ft\u0131r, g\u00fc\u00e7l\u00fc indirgeme, ancak antioksidan \u00f6zellikleri askorbik asitten daha iyidir, ancak antioksidan \u00f6zellikleri askorbik asitten daha iyidir, ancak metal iyonlar\u0131 ayr\u0131\u015fmas\u0131n\u0131 te\u015fvik edebilir. \u0130zoaskorbik asit zay\u0131f \u0131s\u0131 direncine, g\u00fc\u00e7l\u00fc indirgenebilirli\u011fe sahiptir, metal iyonlar\u0131 ayr\u0131\u015fmas\u0131n\u0131 te\u015fvik edebilir, ancak antioksidan performans\u0131 askorbik asitten daha iyidir ve fiyat\u0131 ucuzdur.<br \/>\nSosis, jambon ve di\u011fer k\u00fcrlenmi\u015f et \u00fcr\u00fcnlerinde izoaskorbik asit, \u00fcr\u00fcn\u00fcn raf \u00f6mr\u00fcn\u00fc uzatmak i\u00e7in renk geli\u015fiminin k\u00fcrleme s\u00fcrecinde nitriti te\u015fvik edebilir; Et \u00fcr\u00fcnleri ile birlikte kullan\u0131lan izoaskorbik asit ve nitr\u00f6z asit, et \u00fcr\u00fcnlerinin renginin solmas\u0131n\u0131 \u00f6nleyebilir, ayn\u0131 zamanda et \u00fcr\u00fcnlerinin renginin etkisini art\u0131rabilir, ayn\u0131 zamanda Clostridium botulinum'a kar\u015f\u0131 nitrit direncini art\u0131rabilir ve nitrosamin \u00fcretimini azaltabilir, et \u00fcr\u00fcnlerinde izoaskorbik asit Et \u00fcr\u00fcnlerinde izoaskorbik asit miktar\u0131 0.5-0.8 g\/kg'd\u0131r.5-0.8g\/kg; izoaskorbik asit bal\u0131k \u00fcr\u00fcnlerinde, bal\u0131k ve kabuklu deniz \u00fcr\u00fcnleri k\u00fcrlenmi\u015f \u00fcr\u00fcnlerde ve dondurulmu\u015f \u00fcr\u00fcnlerde kullan\u0131labilir; izoaskorbik asit ayr\u0131ca meyvelerde, sebze \u00fcr\u00fcnlerinde, birada, glikozda, gazl\u0131 i\u00e7eceklerde, dondurulmu\u015f \u00fcr\u00fcnlerde vb. oksidasyonu ve renk bozulmas\u0131n\u0131 ve lezzetin bozulmas\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131labilir.<br \/>\n(4) Sodyum eritorbik asit<br \/>\nSodyum eritorbik asidin molek\u00fcler form\u00fcl\u00fc C6H7O6Na-H2O'dur, beyaz ila sar\u0131ms\u0131 beyaz kristal veya kristal tozdur, kokusuzdur, hafif tuzludur, kuru halde havada olduk\u00e7a kararl\u0131d\u0131r, ancak sulu \u00e7\u00f6zeltide hava, metal, \u0131s\u0131 ve \u0131\u015f\u0131kla kar\u015f\u0131la\u015ft\u0131\u011f\u0131nda oksitlenmesi kolayd\u0131r; Sodyum eritorbik asidin suda \u00e7\u00f6z\u00fcnmesi kolayd\u0131r, etanolde neredeyse \u00e7\u00f6z\u00fcnmez ve sodyum eritorbik asidin antioksidan performans\u0131 sodyum izoaskorbik asit ile ayn\u0131d\u0131r.<br \/>\n(5) Disodyum etilendiamintetraasetik asit (EDTA-2Na)<br \/>\nDisodyum etilendiamintetraasetik asidin molek\u00fcler form\u00fcl\u00fc C10H14N2O3Na2-2H2O'dur, beyaz kristal par\u00e7ac\u0131klar veya tozdur, kokusuzdur, tats\u0131zd\u0131r, suda \u00e7ok \u00e7\u00f6z\u00fcn\u00fcr, etanolde \u00e7\u00f6z\u00fcnmesi \u00e7ok zordur. \u00d6nemli bir \u015felatlama maddesidir, \u00e7\u00f6zeltideki metal iyonlar\u0131n\u0131 \u015felatlayabilir, \u00fcretim genellikle g\u0131dan\u0131n rengini, aromas\u0131n\u0131 ve tad\u0131n\u0131 korumak, g\u0131dan\u0131n oksidasyonunu ve bozulmas\u0131n\u0131 \u00f6nlemek i\u00e7in \u015felatlama etkisini kullan\u0131r.<br \/>\nDisodyum EDTA'n\u0131n ADI de\u011feri 0~2.5mg\/kg'd\u0131r, \u00c7in'in 'G\u0131da Katk\u0131 Maddelerinin Kullan\u0131m\u0131na \u0130li\u015fkin Hijyenik Standard\u0131'na g\u00f6re disodyum EDTA su \u00fcr\u00fcnleri konservelerinde, \u015fekerli suda kestane konservelerinde vb. kullan\u0131labilir, ve maksimum kullan\u0131m seviyesi 0.25mg\/kg olup, konserve g\u0131dalar\u0131n rengini, aromas\u0131n\u0131 ve tad\u0131n\u0131 koruyabilir; yenge\u00e7 ve karides gibi konserve su \u00fcr\u00fcnleri i\u00e7in, disodyum EDTA ilavesi cams\u0131 benzeri kristalleri \u00f6nleyebilir -Konserve yenge\u00e7, karides ve di\u011fer su \u00fcr\u00fcnleri i\u00e7in, disodyum etilendiamintetraasetik asit ilavesi cam benzeri kristallerin \u00e7\u00f6kelmesini \u00f6nleyebilir ve i\u015flenmi\u015f \u00fcr\u00fcnlerin kalitesini sa\u011flayabilir.<\/p>\n<p>3. Do\u011fal antioksidanlar<\/p>\n<p>(1) Tokoferol<br \/>\nTokoferol VE'dir, do\u011fal VE y\u00fcksek bitkilerin ve hayvanlar\u0131n dokular\u0131nda yayg\u0131n olarak bulunur, bitki ve hayvan dokular\u0131nda ya\u011fda \u00e7\u00f6z\u00fcnen bile\u015fenlerin oksidatif bozulmas\u0131n\u0131 \u00f6nleme i\u015flevine sahiptir. Do\u011fal tokoferol\u00fcn \u03b1-, \u03b2-, \u03b3-, \u03b4-, \u03b5-, \u03b6- ve \u03b7- olmak \u00fczere 7 \u00e7e\u015fit izomeri oldu\u011fu bilinmektedir. Antioksidan olarak kullan\u0131lan tokoferol kar\u0131\u015f\u0131m konsantresi, do\u011fal VE'nin 7 izomerinin bir kar\u0131\u015f\u0131m\u0131d\u0131r.<br \/>\nTokoferol kar\u0131\u015f\u0131k konsantre sar\u0131dan kahverengiye \u015feffaf viskoz s\u0131v\u0131d\u0131r, neredeyse kokusuzdur, suda \u00e7\u00f6z\u00fcnmez, etanolde \u00e7\u00f6z\u00fcn\u00fcr ve aseton, eter, ya\u011f ve gres ile serbest\u00e7e kar\u0131\u015ft\u0131r\u0131labilir; \u0131s\u0131ya dayan\u0131kl\u0131d\u0131r ve anaerobik ko\u015fullar alt\u0131nda 200 \u00b0 C'ye kadar \u0131s\u0131t\u0131lsa bile tahrip olmaz; aside dayan\u0131kl\u0131d\u0131r ancak alkaliye dayan\u0131kl\u0131 de\u011fildir ve oksijene kar\u015f\u0131 \u00e7ok hassast\u0131r ve havada ve \u0131\u015f\u0131k ko\u015fullar\u0131nda yava\u015f\u00e7a oksitlenir ve siyaha d\u00f6ner.<br \/>\nBitkisel ya\u011f daha fazla tokoferol i\u00e7erir, belirli bir stabiliteye sahiptir, ancak rafine edildikten sonra tokoferol i\u00e7eri\u011fi azalt\u0131lm\u0131\u015ft\u0131r, bitkisel ya\u011f\u0131n tokoferol i\u00e7eri\u011fi do\u011fal i\u00e7eri\u011fe yak\u0131n oldu\u011funda orijinalin yakla\u015f\u0131k 70%'si, i\u00e7erik \u00e7ok y\u00fcksekse, aksine y\u00fcksek bir antioksidan kapasiteye sahiptir, yard\u0131mc\u0131 oksidasyon rol\u00fc oynayacakt\u0131r, hayvansal kat\u0131 ve s\u0131v\u0131 ya\u011flar nadiren tokoferol ve di\u011fer do\u011fal antioksidanlar\u0131 i\u00e7erir, bu nedenle bir antioksidan olarak tokoferol \u00e7o\u011funlukla domuz ya\u011f\u0131 ve tereya\u011f\u0131 gibi hayvansal kat\u0131 ve s\u0131v\u0131 ya\u011flarda ve bunlar\u0131n i\u015flenmi\u015f \u00fcr\u00fcnlerinde kullan\u0131l\u0131r.<br \/>\nG\u0131dalara eklenen tokoferol sadece antioksidan etkiye sahip olmakla kalmaz, ayn\u0131 zamanda besinsel iyile\u015ftirmeye de sahiptir ve bir\u00e7ok \u00fclkede kullan\u0131m miktar\u0131 konusunda herhangi bir k\u0131s\u0131tlama yoktur. Tokoferoller bebek mamalar\u0131nda, tedavi edici g\u0131dalarda ve s\u00fct \u00fcr\u00fcnlerinde antioksidan ve besin artt\u0131r\u0131c\u0131 olarak kullan\u0131ma uygundur. Son y\u0131llarda yap\u0131lan baz\u0131 ara\u015ft\u0131rma sonu\u00e7lar\u0131 tokoferol\u00fcn tuzlanm\u0131\u015f et \u00fcr\u00fcnlerinde kanserojen (nitrozamin) \u00fcretimini de engelledi\u011fini g\u00f6stermi\u015ftir. Yabanc\u0131 \u00fclkeler de bu \u00fcr\u00fcn\u00fc k\u0131zarm\u0131\u015f g\u0131dalar, tam ya\u011fl\u0131 s\u00fct tozu, krema ve margarin, toz \u00e7orbalar vb. i\u00e7in kullanmaktad\u0131r.<br \/>\n(2) \u00e7ay polifenolleri<br \/>\nPolifenoller olarak da bilinen \u00e7ay polifenolleri, a\u015fa\u011f\u0131dakileri i\u00e7eren bir polifenol bile\u015fikleri s\u0131n\u0131f\u0131d\u0131r: kate\u015finler, antosiyaninler, fenolik asitler, flavonoidler, kate\u015finlerin i\u00e7eri\u011finin en b\u00fcy\u00fck oldu\u011fu 4 tip bile\u015fik, toplam \u00e7ay polifenol miktar\u0131n\u0131n yakla\u015f\u0131k 60%'sini 80%'ye olu\u015fturur, ayn\u0131 zamanda \u00e7ay polifenolleri ana bile\u015fenlerin antioksidan etkisi.<br \/>\n\u00c7ay polifenolleri \u00e7aydan ekstrakte edilen antioksidanlard\u0131r, a\u00e7\u0131k sar\u0131 veya a\u00e7\u0131k ye\u015fil toz, \u00e7ay aromal\u0131, suda, etanolde, etil asetatta kolayca \u00e7\u00f6z\u00fcn\u00fcr; asidik ve n\u00f6tr ko\u015fullarda kararl\u0131, optimum pH de\u011feri 4.0-8.0; \u00e7ay polifenolleri ve sitrik asit, malik asit, tartarik asit, askorbik asit, tokoferol iyi bir sinerjik etkiye sahiptir ve sitrik asidin sinerjik etkisi en iyisidir. Kullan\u0131m y\u00f6ntemi, \u00e7ay polifenollerini etanol i\u00e7inde \u00e7\u00f6zmek, bir \u00e7\u00f6zelti form\u00fcle etmek i\u00e7in belirli miktarda sitrik asit veya di\u011fer asitleri eklemek ve daha sonra g\u0131dalarda p\u00fcsk\u00fcrtme veya ekleme \u015feklinde kullanmakt\u0131r.<br \/>\n\u00c7ay polifenol\u00fc do\u011fal bir antioksidand\u0131r, y\u00fcksek g\u00fcvenliklidir, suda \u00e7\u00f6z\u00fcnm\u00fc\u015f halde kullan\u0131ld\u0131\u011f\u0131nda do\u011frudan kullan\u0131ma eklenir; ya\u011flar, bal\u0131k ve et g\u0131dalar\u0131 i\u00e7in \u00e7ay polifenol\u00fc eklendikten sonra \u00f6nce etanolde \u00e7\u00f6z\u00fclebilir, \u00e7ay polifenol antioksidan\u0131 s\u0131cakl\u0131k art\u0131\u015f\u0131 ve \u0131s\u0131t\u0131lm\u0131\u015f g\u0131da kullan\u0131m\u0131n\u0131n artt\u0131r\u0131lmas\u0131 ile; \u00e7ay polifenol\u00fc genellikle hayvansal g\u0131da ve bitki g\u0131dalar\u0131n\u0131n antioksidan etkisinden daha g\u00fc\u00e7l\u00fcd\u00fcr. Ayr\u0131ca \u00e7ay polifenolleri yard\u0131mc\u0131 koruyucu olarak da kullan\u0131labilir.<br \/>\n\u00c7ay polifenolleri kat\u0131 ve s\u0131v\u0131 ya\u011flarda en fazla 0,4 g\/kg; soslarda en fazla 0,1 g\/kg; \u015fekerlemelerde, k\u0131zartmalarda, haz\u0131r eri\u015ftelerde en fazla 0,2 g\/kg; et ve bal\u0131k \u00fcr\u00fcnlerinde en fazla 0,3 g\/kg dozunda kullan\u0131labilir.<\/p>\n<p>(3) Fitik asit<br \/>\nFitik asit, inositol hekzakisfosfat, siklohekzanol hekzakisfosfat, molek\u00fcler form\u00fcl C6H18O24P6, a\u00e7\u0131k sar\u0131 veya kahverengi viskoz s\u0131v\u0131 olarak da bilinen y\u00fcksek bitkilerde yayg\u0131n olarak da\u011f\u0131l\u0131r, fitik asit suda kolayca \u00e7\u00f6z\u00fcn\u00fcr, 95% etanol, propilen glikol ve gliserol, susuz etanol, benzen, etanol ve kloroformda az \u00e7\u00f6z\u00fcn\u00fcr ve \u0131s\u0131ya kar\u015f\u0131 stabildir.<br \/>\nFitik asit, su \u00fcr\u00fcnleri, \u015farap, meyve suyu, ya\u011f ve ya\u011fl\u0131 g\u0131dalarda antioksidan, stabilizat\u00f6r ve koruyucu olarak yayg\u0131n bir \u015fekilde kullan\u0131lmaktad\u0131r. G\u0131da i\u015fleme uygulamalar\u0131nda fitik asit ba\u015fl\u0131ca \u015funlard\u0131r: bir yandan antioksidan ya\u011f olarak kullan\u0131labilir, bitkisel ya\u011flara 0.Bitkisel ya\u011flarda 01% fitik asit, bitkisel ya\u011flar\u0131n ek\u015fimesini a\u00e7\u0131k\u00e7a \u00f6nleyebilir, antioksidan etkisi bitkisel ya\u011flar\u0131n t\u00fcr\u00fcne ba\u011fl\u0131 olarak de\u011fi\u015fir, yer f\u0131st\u0131\u011f\u0131 ya\u011f\u0131 i\u00e7in en iyi etki, soya fasulyesi ya\u011f\u0131 ikinci en k\u00f6t\u00fc, pamuk tohumu ya\u011f\u0131 daha zay\u0131ft\u0131r; \u00d6te yandan, su \u00fcr\u00fcnlerinde kullan\u0131lan magnezyum amonyum fosfat olu\u015fumunu \u00f6nleyebilir, mavi lekeleri \u00f6nlemek i\u00e7in konserve kabuklu deniz hayvanlar\u0131n\u0131n ve konserve yenge\u00e7 etinin kararmas\u0131n\u0131 \u00f6nleyebilir. Konserve yenge\u00e7 etinin mavi lekelerden korunmas\u0131n\u0131, taze karidesin siyaha d\u00f6nmesini vb. \u00f6nler; Ayr\u0131ca fitik asit, i\u00e7eceklerdeki bak\u0131r, demir, kalsiyum, magnezyum ve di\u011fer iyonlar\u0131 giderebilir; bal\u0131k, et, \u00e7abuk pi\u015fen eri\u015fte, ekmek, kek, salata ve di\u011fer raf \u00f6mr\u00fcn\u00fc geciktirebilir.<br \/>\n(4) Guaiac re\u00e7inesi<br \/>\nGuaiac re\u00e7inesi Latin Amerika'ya \u00f6zg\u00fc guaiac a\u011fac\u0131n\u0131n re\u00e7inesidir ve ana bile\u015fenleri \u03b1-guaiac lipoik asit, \u03b2-guaiac lipoik asit, guaiac odun asidi ve az miktarda keratin, u\u00e7ucu ya\u011flar vb.dir.<br \/>\nGuaiacum re\u00e7inesi ye\u015filimsi kahverengi ila k\u0131rm\u0131z\u0131ms\u0131 kahverengi cam benzeri topaklard\u0131r, tozu havada yava\u015f yava\u015f koyu ye\u015file d\u00f6n\u00fc\u015f\u00fcr, balsam kokusu, hafif keskin; etanol, eter, kloroform ve alkali \u00e7\u00f6zeltide kolayca \u00e7\u00f6z\u00fcn\u00fcr, karbondioksit ve benzende \u00e7\u00f6z\u00fcnmez, suda \u00e7\u00f6z\u00fcnmez; guaiacum re\u00e7inesi s\u0131v\u0131 ve kat\u0131 ya\u011flar \u00fczerinde iyi bir antioksidan etkiye sahiptir. S\u0131\u00e7anlarda guaiacum re\u00e7inesinin oral LD50 de\u011feri 7.5g\/kg ve ADI de\u011feri 0-2.5mg\/kg'd\u0131r.<br \/>\nGuaiacum re\u00e7inesi, kullan\u0131lan en eski do\u011fal antioksidanlardan biridir ve antiseptik etkiye sahip g\u00fcvenli bir antioksidan olarak da kabul edilmektedir. Guaiacum re\u00e7inesi tereya\u011f\u0131, krema ve di\u011fer kolay ek\u015fiyen g\u0131dalar\u0131n antioksidan\u0131 i\u00e7in kullan\u0131l\u0131r, genellikle etkili olan sadece 0.005% eklemeniz gerekir.<br \/>\n(5) nordihidroguaiaretik asit<\/p>\n<p>nordihidroguaiaretik asit molek\u00fcler form\u00fcl\u00fc C18H22O4, beyaz-gri ila beyaz kristal toz i\u00e7in, etanol, eter, gliserol ve propilen glikolde \u00e7\u00f6z\u00fcn\u00fcr, s\u0131cak suda az \u00e7\u00f6z\u00fcn\u00fcr, so\u011fuk suda \u00e7\u00f6z\u00fcnmez; nordihidroguaiaretik asit iyi antioksidan etkiye sahiptir, ancak ayn\u0131 zamanda belirli bir k\u00fcflenme kabiliyetine sahiptir ve sitrik asit, askorbik asit sinerjik bir etkiye sahiptir. Sitrik asit ve askorbik asit ile sinerjik etki.<br \/>\nS\u0131\u00e7anlarda n-dihidroguaiaretik asidin oral LD50 de\u011feri 2-5g\/kg'd\u0131r. n-dihidroguaiaretik asit domuz ya\u011f\u0131na 0.01% oran\u0131nda eklenir ve oda s\u0131cakl\u0131\u011f\u0131nda ve g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131 alt\u0131nda 19 ay sonra renk de\u011fi\u015ftirmez ve ek\u015fimez, ancak n-dihidroguaiaretik asidin y\u00fcksek fiyat\u0131 nedeniyle sadece y\u00fcksek kaliteli g\u0131dalarda veya askeri g\u0131dalarda kullan\u0131l\u0131r.<\/p>\n<p>(6) Meyan k\u00f6k\u00fc antioksidanlar\u0131<br \/>\nMeyan k\u00f6k\u00fc antioksidanlar\u0131 esas olarak flavonoidler ve flavonoidlerden, kahverengi veya ten rengi toz halinde ya\u011fda \u00e7\u00f6z\u00fcnen maddelerden olu\u015fur, meyan k\u00f6k\u00fcn\u00fcn karakteristik kokusuna sahiptir, suda \u00e7\u00f6z\u00fcnmez, etanol gibi organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr. Meyan k\u00f6k\u00fc antioksidan \u00f6zellikleri kat\u0131 ve s\u0131v\u0131 ya\u011flar\u0131n foto-oksidasyonunu engelleyebilir, meyan k\u00f6k\u00fc antioksidan\u0131 iyi bir \u0131s\u0131 direncine sahiptir, y\u00fcksek s\u0131cakl\u0131kta k\u0131zartma ya\u011flar\u0131nda karboksil de\u011ferli\u011finin y\u00fckselmesini etkili bir \u015fekilde engelleyebilir ve d\u00fc\u015f\u00fck s\u0131cakl\u0131ktan y\u00fcksek s\u0131cakl\u0131\u011fa kadar olan aral\u0131kta g\u00fc\u00e7l\u00fc antioksidan rol\u00fcn\u00fc oynayabilir.<br \/>\n(7) Pirin\u00e7 kepe\u011fi<br \/>\nPirin\u00e7 kepe\u011fi glutamat olarak da bilinir, ana olarak trienol ile birka\u00e7 \u00e7e\u015fit ferulik asit esterinin bir kar\u0131\u015f\u0131m\u0131d\u0131r, beyaz ila a\u00e7\u0131k sar\u0131 toz veya kristal tozdur, kokusuzdur, etanol ve asetonda \u00e7\u00f6z\u00fcn\u00fcr, suda \u00e7\u00f6z\u00fcnmez, ya\u011fda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc iyidir, ya\u011f ve gres i\u00e7in iyi antioksidan etkiye sahiptir. Ya\u011fda \u00e7\u00f6z\u00fcnen antioksidana ek olarak, farmas\u00f6tiklerde de kullan\u0131labilir.<br \/>\n(8) Quercetin<br \/>\nMe\u015fe kabu\u011fu i\u00e7in Quercetin, C15H10O7-2H2O i\u00e7in molek\u00fcler form\u00fcl, sar\u0131 kristallerin kristalle\u015fmesinin iki molek\u00fcl suyunu i\u00e7eren bir t\u00fcr i\u00e7in maddeler i\u00e7erir, g\u0131da sar\u0131 pigmenti olarak kullan\u0131labilir; Suda, susuz etanolde ve buzlu asetik asitte \u00e7\u00f6z\u00fcn\u00fcr, etanol \u00e7\u00f6zeltisi ac\u0131d\u0131r; Be\u015f hidroksiflavonoid i\u00e7in Quercetin, molek\u00fcl\u00fc \u00e7ift ba\u011f aras\u0131nda 2, 3 pozisyonu, iki hidroksil grubunda 3, 4 pozisyonu, antioksidan i\u015flem gibi bir metal \u015felatlama veya ya\u011fa sahiptir Serbest radikal al\u0131c\u0131 i\u015flevi \u00fcretir, ayr\u0131ca ya\u011f, askorbik asit antioksidan\u0131 olarak da kullan\u0131labilir.<br \/>\n(9) Biberiye, tar\u00e7\u0131n ve karanfil \u00f6zleri<br \/>\nBiberiye, tar\u00e7\u0131n ve karanfil ekstraktlar\u0131, tamamen do\u011fal, etkili ve toksik olmama avantajlar\u0131yla \u00f6nemli antioksidan etkilere sahiptir ve meyve ve sebze \u00fcr\u00fcnlerinde, tur\u015fu \u00fcr\u00fcnlerinde, ya\u011f ve ya\u011f \u00fcr\u00fcnlerinde, et \u00fcr\u00fcnlerinde, suda yeti\u015ftirilen \u00fcr\u00fcnlerde, unlu mamullerde, kurutulmu\u015f i\u015flenmi\u015f g\u0131dalarda, \u015feffaf ambalajl\u0131 g\u0131dalarda ve i\u00e7eceklerde kullan\u0131lmaktad\u0131r.<br \/>\nEt ve k\u00fcmes hayvan\u0131 \u00fcr\u00fcnleri kendi ba\u015flar\u0131na do\u011fal antioksidan i\u00e7ermezler. \u00d6nceden pi\u015firildi\u011finde, dilimlendi\u011finde, \u00f6\u011f\u00fct\u00fcld\u00fc\u011f\u00fcnde, kemikleri \u00e7\u0131kar\u0131ld\u0131\u011f\u0131nda, donduruldu\u011funda ve \u0131zgarada pi\u015firildi\u011finde, kas dokusu h\u00fccreleri par\u00e7alan\u0131r ve ba\u011fl\u0131 demir ve enzimleri serbest b\u0131rak\u0131r, bunlar bir kataliz\u00f6r olu\u015fturmak i\u00e7in birle\u015fti\u011finde kas i\u00e7inde oksidatif reaksiyonlar\u0131 tetikler. Biberiye, tar\u00e7\u0131n ve karanfil \u00f6zlerinin antioksidan mekanizmalar\u0131 aras\u0131nda singlet oksijenin patlat\u0131lmas\u0131, serbest radikallerin yakalanmas\u0131 ve lipoid oto-oksidasyonunun zincirleme reaksiyonunun kesilmesi; ve organik asitlerin ve metal iyonlar\u0131n\u0131n \u015felatlanmas\u0131n\u0131n sinerjik etkisi yer al\u0131r. Bir\u00e7ok kompleks lipidin oksidasyonu \u00fczerinde g\u00fc\u00e7l\u00fc bir antioksidan etkiye sahiptir. \u00d6rne\u011fin, s\u0131\u011f\u0131r burgerlerine 0.3% taze biberiye sap\u0131 ve yapra\u011f\u0131 eklemek tad\u0131 iyile\u015ftirebilir ve oksidatif kayb\u0131 \u00f6nleyebilir.<br \/>\n(10) Di\u011fer do\u011fal antioksidanlar karnozin<\/p>\n<p>karnozin, hayvan kas\u0131nda yayg\u0131n olarak bulunan, antioksidan, metal iyonlar\u0131 ile \u015felatlama, serbest radikalleri temizleme ve oksijen ve elektron verme aktivitelerine sahip do\u011fal bir dipeptittir ve hayvan kas dokusunda y\u00fcksek bir i\u00e7eri\u011fe sahiptir. Xing Zixin ve arkada\u015flar\u0131, miyostatinin so\u011fuk etin muhafaza s\u00fcresini uzatabildi\u011fini ve miyostatin eklenen so\u011fuk etin muhafaza s\u00fcresinin koruyucu olmadan 9 g\u00fcnden 15 g\u00fcne \u00e7\u0131kt\u0131\u011f\u0131n\u0131, bunun da askorbik asitten daha iyi oldu\u011funu ve ayr\u0131ca miyostatinin s\u0131\u011f\u0131r eti \u00f6n pi\u015firme s\u0131v\u0131s\u0131n\u0131n da so\u011fuk etin muhafaza s\u00fcresini uzatabildi\u011fini bulmu\u015flard\u0131r.<\/p>\n<p>Kitosan<\/p>\n<p>Et ve et \u00fcr\u00fcnlerinde kitosan ve t\u00fcrevleri antibakteriyel ve antioksidan \u00f6zelliklere sahiptir, radyasyonla koruma y\u00f6ntemlerinin kombinasyonu daha iyi sonu\u00e7lar verir. Lan Fengying ve arkada\u015flar\u0131 kitosan\u0131n \u00c7in sosisinin organoleptik kalitesi ve ya\u011f oksidasyon direnci \u00fczerindeki etkisini incelemi\u015f, sonu\u00e7lar \u00c7in sosisine 0.4% kitosan eklenmesinin depolama s\u00fcrecinde ya\u011f oksidasyonunu \u00f6nemli \u00f6l\u00e7\u00fcde engelleyebilece\u011fini, kitosan konsantrasyonunun artt\u0131\u011f\u0131n\u0131, inhibit\u00f6r etkinin artt\u0131\u011f\u0131n\u0131 ve kitosan\u0131n rengin korunmas\u0131nda da belirli bir rol\u00fc oldu\u011funu g\u00f6stermi\u015ftir.<\/p>\n<p>Lesitin<br \/>\nLesitin a\u00e7\u0131k sar\u0131dan kahverengiye \u015feffaf veya yar\u0131 \u015feffaf viskoz s\u0131v\u0131 veya a\u00e7\u0131k kahverengi toz veya partik\u00fcllerdir, kokusuz veya hafif ceviz kokusu ve tad\u0131 vard\u0131r, suda k\u0131smen \u00e7\u00f6z\u00fcn\u00fcr, ancak su ile em\u00fclsiyon olu\u015fturmas\u0131 kolayd\u0131r, ya\u011fs\u0131z fosfolipitler ya\u011f asitlerinde \u00e7\u00f6z\u00fcnebilir ve u\u00e7ucu olmayan ya\u011flarda \u00e7\u00f6z\u00fcnmesi zordur.<\/p>\n<h2><strong><b>\u015eimdi Bize Ula\u015f\u0131n!<\/b><\/strong><\/h2>\n<h4><strong><b>Fiyata ihtiyac\u0131n\u0131z varsa, l\u00fctfen a\u015fa\u011f\u0131daki forma ileti\u015fim bilgilerinizi doldurun, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz. Bana e-posta da g\u00f6nderebilirsiniz\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@changhongchemical.com\">info@changhongchemical.com<\/a>\u00a0<\/span>\u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>I\u3001Mechanism of action of food antioxidants Meat products in the processing, storage, transport and other aspects of oxidation and rancidity is mainly caused by the oxidation and decomposition of unsaturated fatty acids in meat&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152],"tags":[],"class_list":["post-8560","post","type-post","status-publish","format-standard","hentry","category-antioxidant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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