好词典

tryptophan

UK //ˈtrɪptə(ʊ)fan//US //ˈtrɪptəˌfæn//

词源

源自希腊语 'trypsin'(胰蛋白酶) + 'phan'(出现),因其最初从胰蛋白酶消化产物中发现而得名。

noun

❶ 一种必需氨基酸,人体无法自行合成,需通过食物摄取。它是合成血清素和褪黑激素的前体,对调节情绪和睡眠有重要作用。

“Turkey is rich in tryptophan, which may explain why people feel sleepy after Thanksgiving dinner.”

(火鸡富含色氨酸,这或许解释了为何人们在感恩节晚餐后会感到困倦。)

“Nutritionists recommend foods high in tryptophan to help improve sleep quality.”

(营养师建议食用富含色氨酸的食物来帮助改善睡眠质量。)

同义词:L-tryptophan, essential amino acid

常见短语

tryptophan deficiency — 指体内色氨酸不足的状态,可能导致情绪波动、睡眠障碍等问题。

“Chronic tryptophan deficiency may lead to serotonin imbalance.”

(长期色氨酸缺乏可能导致血清素失衡。)

tryptophan-rich foods — 指天然含有较高浓度色氨酸的食物,如禽肉、乳制品和坚果等。

“Including tryptophan-rich foods in your evening meal may promote better sleep.”

(晚餐中包含富含色氨酸的食物可能有助于改善睡眠。)