Kev Tiv Thaiv Khoom Noj
Mar 31, 2020
Cov ntsiab lus ntawm cov khoom noj khoom haus khaws cia
Cov khoom noj khoom noj khoom haus ua pov thawj xa mus rau cov tshuaj lom neeg lossis tshuaj lom neeg ntxiv rau hauv cov khoom noj rau cov kev xav tau ntawm kev txuag zaub mov, kev ua zaub mov, chaw cia khoom thiab kev thauj mus los. Nws tuaj yeem tiv thaiv cov zaub mov ntawm khib nyiab thiab kev puas tsuaj los ntawm cov kab mob me me, ua kom ntev lub txee lub neej ntawm cov zaub mov, thiab ua kom muaj kev nyab xeeb khoom noj Hauv lwm lo lus, nws yog qhov tseeb vim tias muaj cov tshuaj khaws cia uas muaj ntau yam khoom noj ntev ntawm cov zaub mov hauv lub khw.
Tus txheej txheem ntawm kev ua ntawm cov zaub mov khaws cia
(1) Ua rau cov xovtooj ntawm phab ntsa thiab cell membrane;
(2) Ua rau cov khoom siv hauv caj ces lossis cov qauv ntawm cov tshuaj lom neeg;
(3) Ua rau cov enzymes lossis cov protein ua haujlwm zoo.
Tab sis nyob rau hauv xyoo tas los no, nws tau pom tias cov khoom noj tshuaj tiv thaiv kab mob tsuas yog tiv thaiv kev ua pa ntawm cov kab mob me me, thiab qhov ua tau zoo ntawm cov kab mob antibacterial sib txawv kuj muaj qhov sib txawv.
Kev faib tawm ntawm cov zaub mov khaws cia
Cov khoom noj muaj tshuaj tiv thaiv tau muab faib ua cov tshuaj txuag cov tshuaj thiab cov khoom siv tshuaj lom neeg muaj sia raws li lawv qhov chaw. Cov tshuaj ua kom muaj zog yog muab faib ua cov tshuaj tua kab mob organic thiab tshuaj ua kom muaj zog. Cov qub feem ntau suav nrog benzoic acid thiab nws cov ntsev, sorbic acid thiab nws cov ntsev, esters ntawm sodium dehydroacetate thiab p-hydroxybenzoic acid, thiab calcium propionate thiab nws cov ntsev. Cov tom kawg tsuas yog suav nrog sulfur dioxide, sulfite thiab nitrite. Kev txuag tshuaj uas ib txwm muaj los ntawm cov tsiaj txhu, nroj tsuag thiab cov kab mob me me, suav nrog nisin, natamycin, lysozyme, thiab lwm yam.
Qhov tsim nyog ntawm kev siv tshuaj txuag dej rau hauv cov zaub mov
Nyob rau hauv cov xwm txheej hauv qab ntuj, cov zaub mov yuav poob nws qhov qub zaub mov muaj nuj nqis, cov nqaij hauv lub cev, xim, aroma thiab saj vim qhov kev ua ntawm cov kab mob me me, thiab dhau los ua cov khoom lag luam uas tsis ua tiav cov cai huv. Hauv kev ua zaub mov niaj hnub no, nws yog ib qho tsim nyog yuav tsum muaj qee yam tshwj xeeb khaws cia uas muaj peev xwm ua kom tau raws li cov kev xav tau ntawm cov pej xeem. Yog li, cov khoom noj yuav tsum raug kho nrog kev tiv thaiv thiab kev saib xyuas kom zoo. Kev siv cov khoom noj khoom haus khaws cia, kom pom dav dav, yog kom txo qis thiab zam kom tsis txhob muaj tib neeg lom khoom noj; hauv kev nkag siab nqaim, nws yog ib qho ntawm cov txiaj ntsig zoo los tiv thaiv kev ua ntawm cov kab mob me me thiab tiv thaiv cov zaub mov thawb. Nws kwv yees tias kwv yees li 20-30% ntawm cov zaub mov hauv kuv lub teb chaws poob txhua txhua xyoo vim kev siv lub cev, tshuaj lom neeg, biochemical thiab lwm yam hauv cov txheej txheem ntawm kev tsim khoom, tsheb thauj mus los, muag khoom, thiab cia. Txhawm rau kom txo qis poob thiab txuas lub txee lub neej ntawm cov zaub mov, tib neeg tau siv ntau txoj hauv kev los thaiv lossis tua cov kab mob me. Ntawm lawv, ntxiv cov tshuaj txuag yog qhov yooj yim thiab siv tau txoj kev, yog li nws tau siv dav.
