H-Val-Pro-Pro-OH(TFA), a proline peptide derivative from milk, is an ACE inhibitor with IC50 of 9 M.

Xanthoangelol, which can be extracted from Angelica keiskei, inhibits obesity-induced inflammatory responses.Xanthoangelol has antimicrobial activity, inhibits monoamine oxidase, and induces apoptosis in neuroblastoma and leukemia cells.

Dacisteine 是 New Delhi metallo-beta-lactamase-1 (NDM-1, IC50 = 1000 μM) 的抑制剂。