Nika shine mataki mafi mahimmanci a cikin tsarin yin matcha, da kuma a dutse matcha shayi niƙa inji kayan aiki ne mai mahimmanci don yin matcha. Danyen kayan masarufi na Matcha wani nau’in kananan shayi ne da ba a nade su ba. Akwai kalmomi guda biyu masu mahimmanci a cikin samar da shi: sutura da tururi. Kwanaki 20 kafin a debi shayin bazara, dole ne a kafa wani katako, an rufe shi da labulen redi da labulen bambaro, tare da adadin shading sama da 98%. Hakanan akwai sutura masu sauƙi, waɗanda aka rufe da gauze na filastik baƙar fata, kuma ƙimar shading na iya isa kawai 70 ~ 85%. Gwaje-gwaje sun tabbatar da cewa yin amfani da abubuwa na kayan aiki da launuka daban-daban don inuwar shayi yana da tasiri daban-daban.

“Rufewa da inuwa suna canza yanayin muhalli kamar ƙarfin haske, ingancin haske, da zafin jiki, don haka yana shafar haɓakar ƙamshin shayi. shayin budaddiyar iska baya dauke da B-santalol. Bugu da ƙari ga babban abun ciki na ƙananan mahadi aliphatic, sauran kayan ƙanshin abubuwan da ke ciki yana da mahimmanci fiye da na shayi na inuwa". Chlorophyll da amino acid na koren shayin da aka rufe sun karu sosai. Carotenoids sun kasance sau 1.5 na noman sararin sama, jimillar amino acid sau 1.4 na noman haske na halitta, kuma chlorophyll ya ninka na noman haske sau 1.6. Ta wannan hanya, koren shayi niƙa taGanyen shayi mai niƙa dandana mafi kyau.

Ana debo ganyen shayin a bushe a bushe a rana guda, ta hanyar amfani da aInjin Tushen shayi. Nazarin ya nuna cewa a lokacin aikin motsa jiki, cis-3-hexenol, cis-3-hexene acetate, linalool da sauran oxides a cikin shayi suna karuwa sosai, kuma babban adadin A-ionone, B-ionone da sauran mahadi na ionone, abubuwan da suka gabata. Daga cikin wadannan abubuwan kamshin akwai carotenoids, wadanda ke taimakawa wajen kamshi da dandano na musamman na Matcha.