Koren shayi ya ƙunshi abubuwa kamar ascorbic acid, tannins, polyphenolic mahadi, catechin fats da carotenoids.Wadannan sinadaran suna da saukin kamuwa da lalacewa saboda iskar oxygen, zazzabi, zafi, haske da warin yanayi.Don haka, a lokacin da ake hada shayi, ya kamata a raunana ko hana tasirin abubuwan da ke sama, kuma takamaiman bukatun su ne kamar haka:
Juriya mai danshi
Abubuwan ruwa a cikin shayi kada su wuce 5%, kuma 3% shine mafi kyawun ajiya na dogon lokaci;in ba haka ba, ascorbic acid da ke cikin shayin zai zama cikin sauki ya rube, kuma launi, kamshi da dandanon shayin za su canza, musamman a yanayin zafi., za a kara saurin lalacewa.Sabili da haka, ana iya zaɓar kayan daɗaɗɗen kayan aiki tare da aikin tabbatar da danshi mai kyau don marufi mai tabbatar da danshi, irin su fina-finai masu haɗaka dangane da foil na aluminium ko fim ɗin da aka ƙafe aluminium, wanda zai iya zama tabbataccen danshi.Ya kamata a biya kulawa ta musamman ga maganin damshi na baƙar fata marufi.
Oxidation juriya
Dole ne a sarrafa abun ciki na oxygen a cikin kunshin a ƙasa da 1%.Yawan iskar oxygen zai sa wasu abubuwan da ke cikin shayi su lalace.Alal misali, ascorbic acid yana da sauƙi oxidized zuwa deoxyascorbic acid, da kuma kara hadawa da amino acid don shan pigment dauki, wanda ya sa dandano shayi muni.Tun da kitsen shayi ya ƙunshi adadi mai yawa na fatty acids, irin waɗannan fatty acids ɗin da ba su dace ba za a iya samun su ta atomatik don samar da mahadi na carbonyl kamar aldehydes da ketones da mahadi na enol, wanda kuma zai iya sa ƙanshin shayi ya ɓace, astringency ya zama haske, kuma launi ya zama duhu.
Shading
Tunda shayi ya ƙunshi chlorophyll da sauran abubuwa, lokacin da ake tattara ganyen shayi, dole ne a kiyaye haske don hana ɗaukar hoto na chlorophyll da sauran abubuwan.Bugu da kari, hasken ultraviolet shima muhimmin abu ne wajen haddasa tabarbarewar ganyen shayi.Don magance irin waɗannan matsalolin, ana iya amfani da fasahar marufi na shading.
Katangar gas
Ƙanshin ganyen shayi yana da sauƙi a rasa, kuma kayan da ke da iska mai kyau dole ne a yi amfani da su don adana ƙanshi.Bugu da kari, ganyen shayi na da matukar sauki wajen shan warin waje, ta yadda kamshin ganyen shayi ya kamu da cutar.Don haka, ya kamata a kula da ƙamshin da ake samarwa ta hanyar kayan tattarawa da fasahar tattara kayan.
Babban zafin jiki
Ƙara yawan zafin jiki zai hanzarta amsawar oxidation na ganyen shayi, kuma a lokaci guda zai haifar da kyalkyalin saman ganyen shayi.Saboda haka, ganyen shayi sun dace da ajiya a yanayin zafi mara kyau.
Kunshin jakar fim mai hade
A halin yanzu, ana ƙara tattara kayan shayi a kasuwa a cikihadaddiyar jakunkuna na fim.Akwai nau'o'in fina-finai da yawa don ɗaukar shayi, irin su cellophane-hujja / polyethylene / takarda / aluminum tsare / polyethylene, polypropylene / aluminum foil / polyethylene, polyethylene / polyvinylidene chloride / polyethylene, da dai sauransu Yana da kyakkyawan shingen gas. kaddarorin, juriya na danshi, riƙe kamshi, da ƙamshi na musamman.Ayyukan fim ɗin da aka haɗa tare da bangon aluminum ya fi girma, kamar kyakkyawan shading da sauransu.Akwai nau'ikan marufi daban-daban na jakunkuna na fim ɗin hade, gami da hatimi mai gefe uku,akwatunan tsaye,jakunkuna masu tsayawa tare da bayyanannun tagada nadawa.Bugu da ƙari, jakar fim ɗin da aka haɗe yana da kyakkyawar bugawa, kuma zai sami tasiri na musamman lokacin da aka yi amfani da shi don ƙirar tallace-tallace na tallace-tallace.
Lokacin aikawa: Juni-18-2022