1. Kreuz S, Joubert E, Waldmann KH, Ternes W: Aspalathin, a flavonoid in Aspalathus linearis (rooibos), is absorbed by pig intestine as a C-glycoside. Nutr Res. 2008 Oct;28(10):690-701. doi: 10.1016/j.nutres.2008.08.002. [PubMed:19083477 ]