2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub cev txoj hauv kev los tswj cov enzymatic browning suav nrog kev kho cua sov, tiv thaiv cov pa oxygen, siv qhov kub thiab txias, thiab irradiation. Kev kho cua sov, xws li blanching, tuaj yeem yooj yim inhibit qhov kev ua haujlwm enzymatic vim enzymes, uas muaj cov proteins, yog denatured [7, 8].
Yuav ua li cas koj thiaj li tsis ua kom muaj zog ua kom muaj zog?
Ntxiv citric, ascorbic lossis lwm cov kua qaub, xws li vinegar, txo qis pH thiab tiv thaiv kom tsis muaj zog. 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.
Yuav ua li cas thiaj tiv thaiv cov tawv nqaij tawv nqaij?
Cov xim av tuaj yeem ua rau qeeb los ntawm kev tiv thaiv cov enzyme los ntawm kev ua haujlwm zoo. txiv qaub kua txiv muaj cov kua qaub uas tuaj yeem nres cov enzymes ua haujlwm zoo vim tias cov enzymes feem ntau ua haujlwm zoo tshaj plaws ntawm ib qho pH. Piv txwv li, dej thiab qab zib, hauv jam, txwv tsis pub oxygen hauv huab cua nkag mus rau cov enzymes thiab tiv thaiv cov xim av.
Koj ua li cas tiv thaiv zaub mov kom tsis txhob xim av?
Coating lawv nrog kua qaub xws li txiv qaub, txiv kab ntxwv, lossis kua txiv pineapple. Siv cov khoom lag luam los tiv thaiv kev tsaus ntuj nrog cov txiv hmab txiv ntoo, xws li Fruit-Fresh®, thiab ua raws li cov chaw tsim khoom cov lus qhia. Sib tov nrog cov txiv hmab txiv ntoo acidic xws li txiv kab ntxwv, txiv kab ntxwv, txiv kab ntxwv thiab lwm yam txiv ntoo citrus lossis pineapple.
Koj ua li cas tiv thaiv enzymatic browning hauv txiv apples?
Hauv chav ua noj hauv tsev enzymaticbrowning tuaj yeem tiv thaiv los ntawm txo PPO oxidation kev ua haujlwmlossis txo qis cov substrate uas cov enzyme tuaj yeem khi. Txheej tshiab txiav txiv apples hauv qab zib los yog phoov tuaj yeem txo cov pa oxygen thiab ua rau cov tshuaj tiv thaiv browning qeeb.
Pom zoo:
Cov tshuaj tiv thaiv puas muaj kev tiv thaiv?
Cov tshuaj tiv thaiv COVID-19 txhawb koj lub cev tiv thaiv kab mob li cas? Cov tshuaj tiv thaiv ua haujlwm los ntawm kev txhawb koj lub cev tiv thaiv kab mob los tsim cov tshuaj tiv thaiv, raws nraim li nws xav tau yog tias koj yog raug tus kab mob.
Vim li cas cov tshuaj tiv thaiv combustion yog cov tshuaj tiv thaiv oxidation?
Kev sib xyaw ua ke ib txwm ua rau muaj oxygen lossis huab cua. … Hauv combustion cov tshuaj tiv thaiv oxygen yog ua ke nrog cov roj qhov chaw feem ntau carbon thiab hydrogen raws li ua rau carbon dioxide thiab dej thiab yog li qhov no yog cov tshuaj tiv thaiv oxidation.
Puas daj daj daj daj zoo li qub?
xim quav xim yog xim av. Qhov no yog vim muaj cov kua tsib nyob hauv cov quav. Cov quav xim ib txwm muaj peev xwm ntawm lub teeb daj mus rau xim av mus rau yuav luag dub. Yog tias quav liab, maroon, dub, av nplaum xim, daj ntseg, daj, los yog ntsuab qhov no yuav qhia tau tias muaj teeb meem.
Yuav sealing pob zeb tiv thaiv kom tsis txhob tawg?
Teb: Sealersyog ib txoj hauv kev zoo los tiv thaiv pob zeb los ntawm qhov tsis zoo. Lub sealer zoo tsim los siv rau sab nrauv pob zeb yuav pab txo qis dej saturation thiab tiv thaiv kev puas tsuaj ntsev. Yuav ua li cas kom cov pob zeb tsis txhob tawg?
Yuav ua li cas cov tshuaj tiv thaiv coagulants tiv thaiv cov ntshav txhaws?
Anticoagulants tseem hu ua ntshav thinners yog cov tshuaj uas siv los kho thiab tiv thaiv cov ntshav txhaws. Lawv cuam tshuam cov txheej txheem kev koom tes hauv kev tsim cov ntshav txhaws thiab ua haujlwm los ntawm kev tsom mus rau cov ntshav txhawsyam xws li thrombin, fibrin, thiab vitamin K.
