Enzymic browning yog cov tshuaj tiv thaiv oxidation uas tshwm sim hauv qee yam khoom noj, feem ntau txiv hmab txiv ntoo thiab zaub, ua rau cov zaub mov tig xim av. Oxidation tshwm sim hauv cov khoom noj thiab cov khoom tsis yog khoom noj. … Cov pa hauv huab cua tuaj yeem ua rau cov txiv hmab txiv ntoo hlais rau xim av, txheej txheem hu ua enzymic browning (ib qho tshuaj tiv thaiv oxidation).
Dab tsi ua rau cov enzyme browning?
Enzymatic Browning Inhibitors
Browning hauv txiv hmab txiv ntoo thiab zaub yog tshwm sim los ntawm enzyme PPO, uas nyob rau hauv muaj cov pa catalyzes oxidation ntawm o-diphenols rau o-quinones. Cov xim xim av yog tsim los ntawm polymerization ntawm o-quinones.
Dab tsi yog qhov tsis yog enzymatic browning?
Non-enzymatic browning koom nrog txheej txheej tshuaj tiv thaiv uas tshwm sim thaum lub sijhawm npaj lossis khaws cov zaub mov. Nws yog lub luag haujlwm rau kev tsim cov khoom sib xyaw xim av, uas yog volatile tsw molecules uas cuam tshuam rau qhov zoo ntawm cov khoom noj. … Nqe lus no qhia tshwj xeeb rau Maillard cov tshuaj tiv thaiv.
enzymatic browning yog dab tsi thiab koj tiv thaiv nws li cas?
Ntxiv citric, ascorbic lossis lwm yam acids, xws li vinegar, txo qis pH thiab tiv thaiv cov enzymatic browning. Thaum lub sij hawm enzymatic browning, polyphenols hnov mob nrog oxygen. Yog tias muaj lwm yam cuam tshuam nrog cov pa oxygen, enzymatic browning yuav tsis tshwm sim. … Cov dej txo qis kev sib cuag nrog cov pa thiab tiv thaiv cov enzymatic browning.
Qhov twg yog qhov piv txwv ntawmEnzymic browning?
Enzymatic browning tuaj yeem pom hauv cov txiv hmab txiv ntoo (apricots, pears, bananas, grapes), zaub (qos, nceb, lettuce) thiab kuj nyob rau hauv cov nqaij nruab deg (cws, spiny lobsters thiab roob ris). Enzymatic browning yog kev puas tsuaj rau qhov zoo, tshwj xeeb tshaj yog tom qab sau qoob loo ntawm cov txiv hmab txiv ntoo tshiab, kua txiv hmab txiv ntoo thiab qee cov plhaub ntses.