tryptophan reaction

例句：

1. 1. Tryptophan is an essential amino acid that plays a crucial role in the brain's development.
   色氨酸是必需的氨基酸，对大脑发育至关重要。
2. 2.The tryptophan reaction is responsible for the production of melanin in the skin.
   色氨酸反应负责皮肤中黑色素的产生。
3. 3.The tryptophan reaction is also involved in the synthesis of neurotransmitters in the brain.
   色氨酸反应还参与大脑中神经递质的合成。