Browning yog txheej txheem ntawm cov zaub mov tig xim av vim yog cov tshuaj lom neeg uas tshwm sim hauv. Cov txheej txheem ntawm browning yog ib qho ntawm cov tshuaj tiv thaiv uas tshwm sim hauv cov khoom noj chemistry thiab sawv cev rau cov ntsiab lus tshawb fawb txog kev noj qab haus huv, khoom noj khoom haus, thiab khoom noj khoom haus technology.
txhais li cas los ntawm enzymatic browning?
Enzymic browning yog an oxidation reaction uas tshwm sim hauv qee yam khoom noj, feem ntau yog 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).
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 oxygen thiab tiv thaiv cov enzymatic browning.
Vim li cas enzymatic browning tshwm sim?
Cov txheej txheem enzymatic browning tsuas yog tshwm sim thaum PPO, phenolic tebchaw thiab oxygen tuaj sib cuag nrog ib leeg. Qhov no yog qhov tshwm sim thaum cov txiv ntoo txiav, ntog lossis khob ntau dhau.
Qhov twg ntawm cov no yog piv txwv ntawm enzymatic 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 crabs). 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.
