Amino acid tryptophan ali ndi maubwino ambiri azaumoyo, koma zotsatira zake pa thanzi laubongo ndizoyenera kudziwa. Zimakhudza momwe mumamvera, kuzindikira ndi khalidwe lanu, komanso momwe mumagona. Zimafunika m'thupi kupanga mapuloteni ndi mamolekyu ena ofunikira, kuphatikiza omwe amafunikira kugona mokwanira komanso ...
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