methylthionine

例句：

1. 1.The amino acid methylthionineis an important component of the human diet.
   氨基酸甲基硫氨酸是人类饮食中的重要成分。
2. 2. In protein synthesis, methylthionine plays a crucial role in theformation of polypeptide chains.
   在蛋白质合成过程中，甲基硫氨酸在多肽链的形成中起着关键作用。
3. 3. Methylthionine is often used as afood additive to enhance flavor and nutritional value.
   甲基硫氨酸常被用作食品添加剂，以增强风味和营养价值。