Biorobin (Kaempferol 3-O-robinobioside), a flavonoid, significantly inhibits the human lymphocyte proliferation in vitro[1].
[1] Claudia de O. Brochado, et al. Flavonol robinobiosides and rutinosides from Alternanthera brasiliana (Amaranthaceae) and their effects on lymphocyte proliferation in vitro. J. Braz. Chem. Soc. 14 (3) May 2003.
