Leucine

Leucine is an amino acid and belongs to the class which has hydrocarbon R-groups. Leucine is important for protein synthesis and many metabolic functions. Leucine contributes to regulation of blood-sugar levels; growth and repair of muscle and bone tissue; growth hormone production; and wound healing. 亮氨酸是一种氨基酸，属于具有碳氢化合物侧链的氨基酸类别。亮氨酸对蛋白质合成和许多代谢功能都很重要。亮氨酸有助于调节血糖水平；促进肌肉和骨骼组织的生长与修复；促进生长激素的分泌；以及促进伤口愈合。

The primary metabolic end products of leucine metabolism are acetyl-CoA and acetoacetate; consequently, it is one of the two exclusively ketogenic amino acids, with lysine being the other.

* Amino acids which are essential amino acids which cannot be made by the human body and, therefore, must be obtained in the diet.