Xa sithetha ngeti, sihlala sithetha ngokuvutshelwa okupheleleyo, ukuvutshelwa kwe-semi-fermentation, kunye nokuvutshelwa okulula. Iumatshini wokubilangumatshini osetyenziswa ngokuqhelekileyo kwinkqubo yokuvutshelwa kweti. Masifunde malunga nokubiliswa kweti.

Ukuvundiswa kweti - i-biological oxidation

Iti yaseTshayina yahlulwe yangamacandelo amathandathu eti amakhulu ngokwemigangatho eyahlukeneyo yokuvubela kunye neendlela ezibanzi zemveliso. Kwiti, kwa eli gqabi liluhlaza lilungiswa libe yiti eluhlaza, iti emnyama, iti ye-oolong, njl. Le nkqubo ifana nothotho lweereactions ze-enzymatic, kwaye mhlawumbi kufuneka ibizwe ngokuba yi-biological oxidation. Ngoncedo lwe-biological oxidation yomonakalo wodonga lweti kwi-umatshini wokubilisa iti, i-oxidases ekhoyo eludongeni lweseli ikhuthaza uchungechunge lweenkqubo ze-oxidation ze-catechins.

Kwiiseli zeti, i-catechins ikhona kulwelo lweseli, ngelixa i-oxidase ifumaneka ikakhulu kudonga lweseli, hayi ikakhulu kwii-microorganisms, ngoko ke udonga lweseli lufuna ukonakala. Oku kuchaza ngokwendalo ukuba kutheni iti enegwele ifuna ukuqengqeleka ngei-tea leaf roller. Ngokwenqanaba elahlukileyo le-oxidation ye-polyphenols, inokwahlulwa ibe yi-fermentation epheleleyo, i-semi-fermentation kunye ne-fermentation elula. Kwitiyi emnyama, iqondo le-oxidation ye-polyphenols liphezulu kakhulu, elibizwa ngokuba yi-fermentation epheleleyo; kwiti ye-oolong, iqondo le-oxidation ye-polyphenols imalunga nesiqingatha, ebizwa ngokuba yi-semi-fermentation.

Oku kungasentla yintsingiselo esisiseko yokuvubela edla ngokuthethwa kwiti yaseTshayina. Nangona kunjalo, ngenxa yoluhlu olubanzi lweti eTshayina, iindlela zokucwangcisa ezityebileyo kunye neendlela zokulungiselela, kunye neenkcazo ezahlukeneyo zomgangatho, abantu bahlala besebenzisa.umatshini wombane wokulungisa itiukwenza ukubila okulawulwayo. Kwimveliso kunye nenkqubo yokwakheka umgangatho wamanye amagqabi eti, ukongeza kule fermentation ikhankanywe ngasentla ngengqiqo ye-biological oxidation ukongeza kwi-reaction yayo ye-enzymatic, ii-microorganisms ziya kubandakanyeka kwezinye iikhonkco.