단백질의 구성 성분이자 척추동물의 필수 영양소인 아미노산의 일종.
An essential amino acid that is a constituent of most proteins and serves as a precursor to serotonin and melatonin in the human body.
예문:
"Tryptophan is an essential amino acid that humans must obtain through their diet."
"Low levels of tryptophan can lead to reduced serotonin production in the brain."
"Foods like turkey and eggs are naturally rich in tryptophan."