baicalin

To determine the DPPH free radical scavenging activity and assay of four bioactive components: baicalin, baicalein, wogonin and wogonin 7 O glucuronide by HPLC.

清除DPPH自由基活,并以HPLC法芩苷、芩素、汉芩苷和汉芩素的含量。