... first century BC, and contemporary medical uses supported by clinical results include acute microbial infections or viral hepatitis ... scavengers for the prevention of skin aging induced by UV-irradiation and free radical. Experiments conducted in ... Compounds:Huzhang is characterized by anthraquinones and their glycosides, napthoquinone, 3,5,4¡Â-trihydroxy stilbene (i.e., resveratrol), piceid, ...