Ellagic acid 4-O-β-D-xylopyranoside is a natural ellagitannin with antimicrobial activity.

Influenza HA (110-119) is the 110-119 fragment of influenza virus hemagglutinin that can stimulate Treg cells proliferation.

Xenin-8, a C-terminal octapeptide, is a biologically active fragment of Xenin. Xenin is a 25-amino acid peptide of the neurotensin/xenopsin family. Xenin-8 stimulates basal insulin secretion and potentiates the insulin response to glucose in a dose-dependent manner (EC50=0.16 nM).