Koj puas paub txog kas fes lim uas nquag siv?
Oct 06, 2022
Yog tias koj nquag haus kas fes thiab nkag siab txog cov txheej txheem ntawm kas fes, koj paub tias kas fes lim ntawv tsis yog tsuas yog cov txheej txheem tsim nyog rau kas fes, tab sis kuj cuam tshuam rau saj ntawm kas fes. Txawm li cas los xij, ntau tus neeg xav tias cov ntxaij lim dej kas fes zoo ib yam, thiab koj tuaj yeem xaiv qhov koj xav tau. Puas yog tiag?
Kas fes lim ntawv feem ntau yog ua los ntawm cov ntoo, thiab cov xim ntawm cov tawv nqaij tom qab ua noj ua haus feem ntau yog xim av, thiab nws yuav siv sij hawm ntau theem ntawm bleaching kom tig dawb. Muaj ob hom kev lim dej kas fes: bleached thiab unbleached.
Qhov sib txawv tseem ceeb ntawm ob yog tias lub lim kas fes bleached txhais tau hais tias lub kas fes lim tau bleached thiab lub lim zoo li whiter. Lub tshuab lim kas fes uas tsis tau hloov pauv txhais tau hais tias lub lim dej kas fes tsis tau bleached, thiab cov ntawv lim zoo li ze rau lub teeb xim av.
Paub txog qhov sib txawv ntawm cov lim dej kas fes uas tsis muaj tshuaj dawb thiab tsis muaj tshuaj dawb, qee cov phooj ywg tsis meej pem me ntsis, qhov twg yog qhov tsim nyog siv? Puas yog bleached kas fes lim tsis zoo?
Qhov tseeb, bleaching lim ntawv muaj cov cai nruj raws li kev xaiv cov khoom, txheej txheem thiab kev tswj kom zoo. Cov ntaub ntawv siv tau muaj kev nyab xeeb heev, thiab qib ntawm kev puas tsuaj rau tib neeg lub cev tuaj yeem tsis quav ntsej. Yog li thaum peb xaiv, peb tuaj yeem xaiv raws li peb tus kheej xav tau.
Txawm li cas los xij, ib qho uas peb yuav tsum tau them sai sai rau yog tias txawm hais tias lub log xim lim ntawv muaj cov txheej txheem bleaching tsawg dua, qhov saj ntawm cov ntawv lim nws tus kheej yog aggravated. Qhov no xav kom peb ntub tag nrho cov ntawv lim dej nrog cov dej kub npau npau thaum brewing kas fes, thiab qee qhov ntawm lawv tau ntub dej tsawg kawg 2 mus rau 3 zaug kom txo tau cov ntxhiab tsw ntawm daim ntawv rau hauv kas fes.
Muaj ntau cov ntawv lim dej kas fes hauv khw, thiab cov dej lim dej ntawm txhua hom yog txawv. Qhov sib txawv ntawm cov dej lim dej yuav ua rau lub sijhawm so dej kas fes txawv, txwv tsis pub kas fes yuav tsis saj zoo.
Yog li ntawd, nyob rau hauv tus txheej txheem ntawm kev ua kas fes, thiaj li yuav tswj tau qhov sib xws, nws yog ib qho tseem ceeb heev kom lub kas fes steeping lub sij hawm raws li standardized li sai tau, thiab to taub lub filterability ntawm cov ntawv lim.
Tsis tas li ntawd, yog tias koj ua tib zoo saib xyuas, koj yuav pom tias nyob rau hauv cov txheej txheem ntawm brewing kas fes, cov neeg ua haujlwm cuam tshuam qee zaum ntub cov ntawv lim, uas tuaj yeem ua rau kom haum nrog lub khob lim dej thiab ua rau kas fes saj khaus. Tau kawg, cov kauj ruam ntawm kev ntub cov ntawv lim tuaj yeem raug tshem tawm, thiab cov hmoov tuaj yeem ntxuav ncaj qha.