Imithombo ye-L-cysteine ????ingahlukaniswa ngezigaba ezimbili ezilandelayo:

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1. Ukuhlanganiswa kwe-vivo

Ukuguqulwa kwe-methionine: Umzimba womuntu ungaguqula i-methionine (methionine) ibe yi-L-cysteine ????ngezindlela ze-metabolic.

Ikhono le-autologous synthesis: Njenge-amino acid engabalulekile, i-L-cysteine ????ingahlanganiswa ngamanani amancane emzimbeni, kodwa idinga ukubamba iqhaza kwezinto ezisizayo ezifana ne-vitamin B6.

2. Ukutholwa kwangaphandle

Ukudla kwemvelo:

Ukudla okucebile nge-methionine, njengezinhlanzi, amaqanda, ukudla kwasolwandle, njll., kungakhuthaza ukuhlanganiswa kwe-L-cysteine ????emzimbeni ngokudla.

Ukudla okuqukethe ngokuqondile i-L-cysteine: Ezinye inyama (njengenkukhu) kanye nemikhiqizo yobisi iqukethe inani elincane le-L-cysteine