Amino acid bụ ihe na-esi ísì ụtọ na tii. N'oge nhazi nkeigwe nhazi tii, mmeghachi omume enzymatic dị iche iche ma ọ bụ ndị na-abụghị enzymatic ga-emekwa ma gbanwee n'ime akụkụ dị mkpa nke isi tii na pigmenti. Ugbu a, a chọtala amino acid 26 na tii, gụnyere protein 20 amino acids na 6 amino acid na-esiteghị na protein.

1. Mmetụta nke tii germplasm akụrụngwa na njikọ, metabolism na mgbanwe nke tii amino acid.

Ọdịnaya nke amino acid, karịsịa theanine, dịgasị iche iche n'etiti ụdị osisi tii dị iche iche. Ọnụ ọgụgụ nke akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ na-abawanye na ọnọdụ akwụkwọ nke otu akwụkwọ, akwụkwọ abụọ na akwụkwọ atọ, na ọdịnaya nke theanine na-eto eto bụ nke kachasị elu.

2. Mmetụta nke mmepụta gburugburu ebe obibi na njikọ, metabolism na mgbanwe nke tii amino acid

N'oge opupu ihe ubi, ị nwere ike iji aihe ubi tiir ka ngwa ngwa were akwụkwọ tii. Ọdịnaya amino acid dị na tii mmiri mmiri dị elu nke ukwuu karịa nke tii ọkọchị. Ihe kpatara ya bụ na ìhè siri ike na okpomọkụ dị elu n'oge okpomọkụ ga-eduga na ala tii osisi nitrogen metabolism na ike theanine hydrolysis na ike mgbanwe, na-akpata obere amino acid ọdịnaya na-eto eto Ome n'oge okpomọkụ.

3. Mmetụta nke nhazi teknụzụ na nchekwa na njikọ, metabolism na mgbanwe nke amino acid tii

Mgbanwe nke amino acid ọdịnaya nke tii n'oge nhazi na-emetụta akụkụ abụọ. N'otu aka ahụ, ụfọdụ obere protein molecule ma ọ bụ polypeptides na-enweta hydrolysis mpaghara na pyrolysis n'okpuru mmetụta nke mmiri na okpomọkụ, na-eme ka nchịkọta nke amino acid; N'aka nke ọzọ, amino asịd bụ Ọ na-ebelata site oxidation, hydrolysis, mgbanwe, na ngwakọta na sugar na polyphenols na-etolite agba, isi ísì na ihe ụtọ.

(1) Ịgbasa na akpọnwụ

N'oge mgbasa naigwe na-akpọnwụ tiiN'usoro, amino acid free na-etolite site na protein hydrolysis, ya mere mkpokọta amino acid ọdịnaya na-egosikarị ihe na-arị elu. Agbanyeghị, ọdịnaya theanine na-eme ka ngosipụta nke theanine hydrolase rụọ ọrụ n'ihi ụkọ mmiri, na-eme ka theanine bụrụ hydrolyzed, na-egosi Downtrend.

(2) Ogbo gbaa ụka

A na-ekewakarị gbaa ụka n'ime polyphenol oxidase gbaa ụka na ntanye fermentation. N'oge gbaa ụka usoro nke tii, ndị mkpụrụ ndụ na-emebi emebi mgbe gafere site naigwe na-akpụgharị tii, na ihe ndị dị na phenolic dị na mkpụrụ ndụ na-eme ka ọ bụrụ polyphenol oxidase. Ngwakọta quinone nke a na-esi na ya pụta na-enweta mmeghachi omume kemịkal na-agbanwe agbanwe ma ọ bụ nke a na-apụghị ịgbagha agbagha na amino acid, nke nwere mmetụta ụfọdụ na isi nke tii ojii. ọrụ dị mkpa.

(3) Idozi na ihicha

N'oge nhazi na ihicha, okpomọkụ dị elu na-arụ ọrụ kachasị. Amino acids na-enwekarị polymerization oxidative na o-quinones ma ọ bụ na-enweta mmeghachi omume Maillard na ogige carbonyl. Ọnụ ọgụgụ dị elu nke igwe na-edozi tii, nke dị elu nke okpomọkụ nkeigwe na-edozi tii, ka amino acid ga-adịwanye mma ka ha na-akwalite hydrolysis nke protein. na mgbanwe.

(4) Nchekwa

N'oge usoro nchekwa nke tii, amino acid ga-adịwanye njọ ma gbanwee n'ihi mgbanwe na gburugburu ebe obibi na oge. Ọnụ ọgụgụ dị elu nke okpomọkụ na iru mmiri ka ukwuu, nke ukwuu nke mmebi.