Ja mai launi na fatar innabi
Launi mai launin ja da aka yi da fatar innabi, wanda kuma aka sani da ruwan 'ya'yan inabi, wani launi ne na halitta wanda aka samo daga 'ya'yan inabi—fatun da suka rage bayan an yi ruwan 'ya'yan inabi ko yin ruwan inabi. Tsarin samarwa ya ƙunshi cire iri da ƙazanta daga 'ya'yan inabi, sannan a cire su da ruwa ko ethanol mai inganci, tacewa, tattarawa, da sauran matakan tacewa.
Ana ƙara sarrafa wasu samfuran zuwa foda ta hanyar busar da su ta hanyar feshi tare da ƙara abubuwan da ke taimakawa wajen narkewa kamar maltodextrin. Babban sinadaransa sun haɗa da anthocyanin glucosides kamar malvidina, peonidin, delphinidin, da petunidin-3'-glucoside, tare da flavonoids. Waɗannan mahaɗan ba wai kawai suna ƙayyade ƙarfin launi ba ne, har ma suna ba da gudummawa ga kaddarorin antioxidant nasa.
Halayen sinadaran sinadaran da ke tattare da jan launi da fatar innabi suna da bambanci: kamanninsa ya kama daga ja mai zurfi zuwa ja mai launin shunayya, tare da nau'ikan ruwa da manna, tare da ɗan ƙamshi mai kama da juna. Yana narkewa sosai a cikin ruwa, ethanol, propylene glycol, da sauran sinadarai masu narkewa amma ba ya narkewa a cikin kitse, mai, da cikakken ethanol. Launinsa ya dogara sosai akan pH - yana nuna launin ja mai haske zuwa ja mai launin shunayya a ƙarƙashin yanayin acidic, yana canzawa zuwa shuɗi a cikin yanayi mai tsaka tsaki, kuma yana canza kore mara ƙarfi a cikin yanayin alkaline.
Bugu da ƙari, yana da iyaka ga juriya ga haske da zafi; tsawon lokaci yana fuskantar haske mai ƙarfi ko yanayin zafi mai yawa na iya haifar da ɓacewar launi. A gaban ions na ƙarfe kamar ƙarfe da jan ƙarfe, yana iya yin duhu zuwa launin shuɗi-launin ruwan kasa, kuma yana iya canza launi saboda iskar oxygen, tare da matsakaicin ƙarfin launi da juriya ga zafi gabaɗaya.
Tambayoyin da ake yawan yi akai-akai
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