Lub enzymatic browning tau raug suav tias yog ib qho teeb meem tseem ceeb ua rau kev lag luam poob ntawm cov txiv hmab txiv ntoo xws li apples, pears, bananas, grapes, thiab lwm yam thiab zaub xws li lettuce, qos yaj ywm, nceb., etc.
Cov zaub mov twg ua rau cov enzyme browning cuam tshuam?
Cov enzyme hauv txiv hmab txiv ntoo thiab zaub uas ua rau cov xim xim av tsim hauv cov zaub mov hu ua polyphenol oxidase. Enzymic browning tuaj yeem pom hauv cov txiv hmab txiv ntoo xws li apricots, pears, txiv tsawb, txiv hmab txiv ntoo thiab avocados, thiab zaub xws li aubergines, qos yaj ywm, lettuce.
Puas enzymatic browning cuam tshuam tag nrho cov txiv hmab txiv ntoo?
Enzymatic browning yog ib qho ntawm cov tshuaj tiv thaiv tseem ceeb tshaj plaws uas tshwm sim hauv feem ntau fruits thiab zaubnrog rau cov nqaij nruab deg. Cov txheej txheem no cuam tshuam tus saj, xim, thiab tus nqi ntawm xws li foods.
Qhov twg ntawm cov no yog piv txwv ntawm enzymic browning?
Oxygen hauv huab cua tuaj yeem ua rau sliced txiv hmab txiv ntoo rau xim av, txheej txheem hu ua enzymic browning (ib qho tshuaj tiv thaiv oxidation). Phenols thiab enzyme phenolase muaj nyob rau hauv lub hlwb ntawm cov kua, thiab thaum cov no raug rau oxygen nyob rau hauv cov huab cua, piv txwv li los ntawm slicing, cov pa oxygen ua rau ib tug tshuaj tiv thaiv.
YPuas Avocado cuam tshuam los ntawm enzymatic browning?
Nyob rau hauv lub xub ntiag ntawm oxygen, ib qho enzyme avocados muaj, hu ua polyphenol oxidase, pab hloov pauv ntawm phenolic cov tebchaw rauLwm chav kawm ntawm cov tshuaj, quinones. … Qhov browning no tsis tshwj xeeb rau avocados – lub browning ntawm ntau lwm cov txiv hmab txiv ntoo, xws li txiv apples, kuj yog ib tug tshwm sim ntawm qhov kev tshwm sim.
