Tshuaj Yog Dab Tsi? Lub Ntsiab Cai Ntawm Kev Los tiv Thaiv Txhuam Yog Dab Tsi?
Jan 04, 2021
Tshuaj ua kom lub cev yog cov chav kawm ua zaub mov ntxiv uas tuaj yeem ua kom cov kab mob tsawg thiab tiv thaiv cov zaub mov tsis zoo. Ua kom cov zaub mov muaj lub sijhawm tshwj tseg, qee yam kev ntsuas yuav tsum tau txais los txhawm rau tiv thaiv kev kis mob thiab yug me nyuam ntawm cov kab mob me me. Kev xyaum tau ua pov thawj tias kev siv tshuaj txuag yog qhov muaj txiaj ntsig, muaj txiaj ntsig zoo thiab yooj yim tshaj plaws kom ua tiav cov hom phiaj saum toj no
Kev lig kev cai, ob qho no feem ntau pom qhov txawv los ntawm kev siv ntau dua li cov qauv tshuaj, vim hais tias cov khoom sib xws, xws li phenol, yog siv los ua kev tiv thaiv ntawm qhov muaj zog tsawg thiab yog tshuaj tua kab mob ntawm ntau dua. Feem ntau ntseeg tias lub sij hawm tshuaj tiv thaiv tsis haum rau cov tshuaj yeeb tshuaj. Cov tshuaj feem ntau siv ua tshuaj tiv thaiv thiab tshuaj tua kab mob muaj ntau yam hloov pauv ntawm phenol xws li biphenols, cresols, xylenols, cationic nto active tshuaj, halogens, thiab oxidizing cov neeg sawv cev xws li peroxides. Hydrogen (hydrogen per-oxide) thiab permanganates (mus tas li-ganates), aniline dyes thiab acridine dyes, hnyav hlau ntsev, dej cawv (cawv) thiab aldehydes (aldehy-des), thiab lwm yam.
Cov tshuaj ua kom zoo nkauj kuj yog siv los ua cov khoom noj ntxiv rau lub hom phiaj los tswj cov khoom qub thiab cov zaub mov muaj txiaj ntsig. Cov tshuaj muab tshuaj muaj xws li muaj 25 hom benzoic acid, sodium benzoate, sorbic acid, poov tshuaj sorbate thiab calcium propionate.
- Los tiv thaiv xeb ntawm cov khoom ua kom tsis muaj zog yog cov hauv qab no:
1. Nws cuam tshuam nrog enzyme qhov system ntawm cov kab mob me me, rhuav tshem nws cov metabolism hauv ib txwm thiab inhibits kev ua si enzyme.
2. Nws coagulates thiab tsis lees paub cov protein ntawm cov kab mob me me thiab cuam tshuam nrog lawv txoj kev muaj sia nyob thiab kev rov tsim tawm.
3. Nws hloov qhov permeability ntawm cell plasma membrane, inhibits qhov kev tshem tawm ntawm cov enzymes thiab cov metabolites hauv lub cev, thiab ua rau nws lub cev tsis muaj zog.
