Somatostatin-14 (3-14) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.

Erianin is a nature product extracted from Dendrobium chrysotoxum, has notable antitumour activity, can cause extensive tumour necrosis, growth delay.

Petunidin chloride has antioxidant, and anti-carcinogenesis activities.