Kev Ua Tau Yooj Yim Thiab Kev Ua Hauj Lwm Ntawm Cov Tshuaj Txhuam Ntim

Tshuaj yej cov khoom muaj xws li tannic acid, catechin rog, polyphenolic tebchaw, ascorbic acid, carotene thiab cov zoo li. Nws yog ib qho yooj yim kom tau txais qhov deterioration ntawm kev nyab xeeb sab nraud thiab qhov phenomenon ntawm deterioration. Yog li, cov thawv ntim tshuaj yej yuav tsum muaj cov peev txheej no.

Cov ntawv pov thawj qhia tau: Tshuaj yej yog hom khoom qhuav, thiab cov dej tsis txaus. Yog li ntawd, lub thawv ntim tshuaj yej yuav tsum tau them sai sai rau cov dej tsis huv, txwv tsis pub nws yuav yooj yim decomposed yog hais tias nws yog ib yam nkaus thiab moist.

Oxidation: Cov ntsiab lus oxygen yuav tsum tau qis tshaj 1% thiaj li yuav tau npaj cov tshuaj yej tawm tsis muaj deterioration vim oxidation.

Tiv thaiv los ntawm lub teeb: Vim hais tias tshuaj yej yog ib qho khoom noj ntsuab, muaj chlorophyll thiab zoo li ntawd, nws yog ib qho yooj yim kom sib xyaw lwm Cheebtsam los ua kom muaj kev txaus ntshai. Ultraviolet lub teeb yuav ua rau cov tshuaj yej yuav ua rau tsis zoo.

Roj teeb meem: Lub saj cov tshuaj yej khoom yog yooj yim heev rau kev sib tw, thiab nws yuav tsum tau muab ntim nrog ib lub thawv ntim.

Kub kub ua hauj: kub huab cua los yog cia cov tshuaj yej nce li oxidation kev ceev, qhov ci gloss yog yooj yim rau ploj.

Yog li, thaum siv cov ntaub ntawv ntim, lub pob me me ntawm lub hood yog siv los tiv thaiv cov tshuaj yej los ntawm noo noo thiab oxidation thaum lub sij hawm cia.

Tom qab ntawd txheej txheej ntawm daim npav pov tseg, thaum ua si lub luag haujlwm tsaus ntuj. Blister ntim yog tsim rau ntim cov yas thiab cov ntaub ntawv sib txuam.

Xws li ib pob ke ua ke yuav xyuam xim tiv thaiv cov tshuaj yej khoom thiab tsis yooj yim rau kev zoo ntawm cov tshuaj yej.