1. Stalmach A, Mullen W, Pecorari M, Serafini M, Crozier A: Bioavailability of C-linked dihydrochalcone and flavanone glucosides in humans following ingestion of unfermented and fermented rooibos teas. J Agric Food Chem. 2009 Aug 12;57(15):7104-11. doi: 10.1021/jf9011642. [PubMed:19534535 ]
  2. Breiter T, Laue C, Kressel G, Groll S, Engelhardt UH, Hahn A: Bioavailability and antioxidant potential of rooibos flavonoids in humans following the consumption of different rooibos formulations. Food Chem. 2011 Sep 15;128(2):338-47. doi: 10.1016/j.foodchem.2011.03.029. Epub 2011 Mar 12. [PubMed:25212140 ]