5Kim Y S, Kim J J, Cho K H, et al. Biotransformation of ginsenoside Rb1 , crocin, amygdalin, geniposide, puerarin, ginsenoside Re, hesperidin, poncirin, glycyrrhizin, and baicalin by human fecal microflora and its relation to cytotoxicity against tumor ceils [ J ]. J Microbiol Biotechnol, 2008, 18 (6) : 1109.
6Akao T, Kawabata K, Yanagisawa E, et al. Baicalin, the predominant flavone glucuronide of scutellariae radix, is absorbed from the rat gastrointestinal tract as the aglycone and restored to its original form [ J ]. Pharm Pharmacol, 2000, 52 (12) : 1563.