ʻO ka mea maka o matcha he ʻano kī liʻiliʻi ʻaʻole i ʻōwili ʻia e amīkini kī kī. ʻElua mau huaʻōlelo koʻikoʻi i kāna hana ʻana: uhi a me ka mahu. No ka hana ʻana i ka matcha ʻono maikaʻi, pono ʻoe e uhi i ke kī puna me nā pale ʻohe a me nā pale mauʻu 20 mau lā ma mua o ka ʻohi ʻana, me ka nui o ka malu ma mua o 98%. Inā uhi ʻia me ka gauze plastik ʻeleʻele, hiki ke piʻi ka nui o ka shading i 70-85%. Ua hōʻoia nā hoʻokolohua ʻo ka hoʻohana ʻana i nā mea o nā mea like ʻole a me nā waihoʻoluʻu e malu ai ke kī he mau hopena like ʻole.

"ʻO ka uhi ʻana a me ka uhi ʻana e hoʻololi i nā mea pili i ke kaiapuni e like me ka ikaika o ka māmā, ka maikaʻi o ka māmā, ka mahana, a me nā mea ʻē aʻe, no laila e pili ana i ka hoʻokumu ʻana i ka maikaʻi o ke kī. ʻAʻole loaʻa ka B-santalol i ke kī ākea. Ma waho aʻe o ka ʻike kiʻekiʻe o nā pūhui aliphatic haʻahaʻa haʻahaʻa, ʻoi aku ka haʻahaʻa o nā mea ʻala ʻē aʻe ma mua o ka malu kī".mea wili matchaua hoʻonui nui ʻia. ʻO nā carotenoids he 1.5 mau manawa ma mua o ka mahiʻai ākea, ʻo ka nui o nā amino acids he 1.4 mau manawa ma mua o ka mahi ʻana i ka māmā maoli, a ʻo ka chlorophyll he 1.6 mau manawa ma mua o ka mahi māmā maoli.

Kohi ʻia nā lau kī hou a maloʻo i ka lā hoʻokahi, me ka hoʻohana ʻana i ka amīkini hoʻopaʻa kī mahu. I loko o ke kaʻina hana mahu, hoʻonui nui ʻia ka cis-3-hexenol, cis-3-hexene acetate, linalool a me nā oxide ʻē aʻe i loko o ka lau kī, a ua hana ʻia ka nui o A-ionone a me B-ionone. ʻO nā ketones a me nā pūhui ionone ʻē aʻe, ʻo nā mea mua o kēia mau mea ʻala he carotenoids, e kōkua ana i ka ʻala kūikawā a me ka ʻono o ka matcha.