tripeptide

n.[化]三肽

Glutathione is a tripeptide that must be manufactured within the cell. 谷胱甘肽是由三种胺基酸所组成的三肽，必须在细胞内制造。

It is not surprising that so much research has been done, and is still being done on this small tripeptide molecule. 因此，对这种小小的三肽物质有如此多已经作过及进行中的研究也就不足为怪了。