黃芩、芍藥、梔子及其水解物對黑色素之影響曁大黃、首烏及決明子蒽醌類配醣體之定量;I.The effects of extracts of Scutellaria radix, Paeoniae lactiflorae radix, and Gardenia fructus and their hydrolysates on melanin II.Determination of anthraquinone glycosides in Rhei rhizome, Polygoni multiflori radix, and Cassiae torae semen