1. Ubushyuhe bwamazi yo guteka icyayi buratandukanye
 
icyayi cyo mu rwego rwo hejuru, cyane cyane icyayi kibisi kizwi cyane gifite amababi meza n'amababi, muri rusange bitekwa n'amazi abira hafi 80 ° C.Niba ubushyuhe bwamazi buri hejuru cyane, biroroshye gusenya vitamine C mucyayi, kandi cafeyine iroroshye kugwa, bigatuma isupu yicyayi ihinduka umuhondo kandi uburyohe bukarishye.
 
b.Mugihe utetse icyayi gitandukanye impumuro nziza, icyayi cyirabura, hamwe nicyayi cyo hagati nicyiciro cyo hagati, ugomba gukoresha amazi abira kuri 90-100 ° C kugirango utekwe.
 
2. Ibara ryisupu yicyayi iratandukanye
 
icyayi cy'umukara: Ibara ry'isupu y'icyayi y'icyayi cy'umukara ni umukara wijimye cyangwa umukara wijimye.
 
b Icyayi kibisi: Isupu yicyayi ibara ryicyayi kibisi ni icyatsi kibisi cyangwa icyatsi kibisi.
 
3. Imiterere itandukanye
 
icyayi cy'umukara ni isupu itukura yamababi atukura, aribwo bwiza buranga fermentation.Icyayi cyumye cyijimye mu ibara, cyoroshye kandi kiryoshye muburyohe, kandi isupu itukura kandi yaka.Hariho "Icyayi cy'umukara wa Gongfu", "Icyayi cy'umukara cyacitse" na "Souchong Icyayi cy'umukara".
 
b Icyayi kibisi nubwoko bwicyayi butanga umusaruro mugihugu cyanjye, kandi ni icyaicyayi kidatunganijweicyiciro.Icyayi kibisi gifite ubuziranenge bwisupu yicyatsi kibisi.Icyayi gishya gifite ubwuzu bwiza ni icyatsi kibisi, impinga yumudugudu iragaragara, kandi ibara ryisupu rirabagirana.
 
Ingaruka nazo ziratandukanye
 
icyayi cy'umukara: Icyayi cy'umukara ni aicyayi cyuzuye, biryoshye kandi bishyushye, bikungahaye kuri proteyine, kandi bifite imirimo yo kubyara ubushyuhe no gushyushya igifu, gufasha igogora no gukuraho amavuta.
 
b Icyayi kibisi: Icyayi kibisi kigumana ibintu bisanzwe byamababi mashya, kandi gikungahaye ku bintu bisanzwe nka polifenole yicyayi, cafeyine, vitamine na chlorophyll.