Kamar yadda shayi tsire-tsire ne na halitta, wasu abubuwan da ke cikin halitta suna haifar da tsauraran marufi na shayi.
Sabili da haka, marufi na shayi yana da buƙatun anti oxidation, tabbacin danshi, juriya mai zafi, shading da juriya na iskar gas.
Anti oxidation
Yawan iskar oxygen da ke cikin kunshin zai haifar da lalacewar oxidative na wasu abubuwan da ke cikin shayi.Misali, abubuwan lipid za su yi oxidize tare da iskar oxygen a sararin samaniya don samar da aldehydes da ketones, don haka suna haifar da wari mara kyau.Sabili da haka, abun ciki na oxygen a cikin marufi na shayi dole ne a sarrafa shi yadda ya kamata a ƙasa da 1%.Dangane da fasaha na marufi, ana iya amfani da marufi mai ɗorewa ko marufi don rage kasancewar iskar oxygen.Fasaha marufi shine hanyar tattarawa wanda ke sanya shayi a cikin jakar marufi mai laushi na fim (ko aluminum foil vacuum bag) tare da matsewar iska mai kyau, yana kawar da iskar da ke cikin jakar yayin tattarawa, ya haifar da wani nau'i na vacuum, sannan a rufe shi;Fasahar marufi da za a iya busawa ita ce ta cika iskar gas kamar nitrogen ko deoxidizer yayin fitar da iska, ta yadda za a kare daidaiton launi, kamshi da dandanon shayi da kiyaye ingancinsa na asali.
High zafin jiki juriya.
Zazzabi abu ne mai mahimmanci wanda ke shafar ingancin shayi.Bambancin zafin jiki shine 10 ℃, kuma adadin halayen sinadaran shine sau 3 ~ 5 daban-daban.Tea zai ƙara yawan iskar oxygen da abun ciki a ƙarƙashin babban zafin jiki, wanda zai haifar da raguwa da sauri na polyphenols da sauran abubuwa masu tasiri da haɓaka ingancin inganci.Bisa ga aiwatarwa, yawan zafin jiki na shayi a ƙasa da 5 ℃ shine mafi kyau.Lokacin da zafin jiki ya kasance 10 ~ 15 ℃, launin shayi zai ragu a hankali, kuma ana iya kiyaye tasirin launi.Lokacin da zafin jiki ya wuce 25 ℃, launin shayi zai canza da sauri.Sabili da haka, shayi ya dace don adanawa a ƙananan yanayin zafi.
tabbatar da danshi
Abubuwan da ke cikin ruwa a cikin shayi shine matsakaici na sauye-sauye na biochemical a cikin shayi, kuma ƙarancin abun ciki na ruwa yana taimakawa wajen adana ingancin shayi.Ruwan da ke cikin shayin bai kamata ya wuce kashi 5% ba, kashi 3% shi ne mafi kyaun adanawa na dogon lokaci, in ba haka ba ascorbic acid a cikin shayin yana da sauƙin ruɓe, kuma launi, ƙamshi, ɗanɗanon shayin zai canza. musamman ma a yanayin zafi mafi girma, za a ƙara saurin lalacewa.Saboda haka, a lokacin da marufi, za mu iya zabar da hadawa fim tare da kyau danshi-hujja yi, kamar aluminum foil ko aluminum tsare evaporation film a matsayin na asali abu don danshi-hujja marufi.
shading
Haske na iya haɓaka oxidation na chlorophyll, lipid da sauran abubuwa a cikin shayi, ƙara adadin glutaraldehyde, propionaldehyde da sauran abubuwa masu wari a cikin shayi, da haɓaka tsufa na shayi.Sabili da haka, lokacin shirya shayi, dole ne a kiyaye haske don hana ɗaukar hotocatalytic na chlorophyll, lipid da sauran abubuwan haɗin gwiwa.Bugu da kari, hasken ultraviolet shima muhimmin abu ne da ke haifar da tabarbarewar shayi.Don magance wannan matsala, ana iya amfani da fasahar marufi na shading.
Shake
Kamshin shayi yana da saukin watsewa, kuma yana da rauni ga tasirin warin waje, musamman ragowar sauran kaushi na hadadden membrane da warin da ke rubutowa ta hanyar rufewa da zafi zai shafi dandanon shayi, wanda zai shafi kamshin shayi.Don haka, marufi na shayi dole ne a guji guje wa ƙamshi daga marufi da kuma ɗaukar wari daga waje.Dole ne kayan marufi na shayi su kasance suna da wasu kaddarorin shingen iskar gas.
Lokacin aikawa: Oktoba-31-2022