2Saikia AP,Ryakala VK, Sharma P,et al.Ethnobotany of medicinal plants used by Assamese people for various skin ailments and cosmetics[J].J Ethnopharmacol,2006,106 (2) :149-157.
4Tsukahara K,Nakagawa H,Moriwaki S,et al.lnhibition of ultraviolet-B-induced wrinkle formation by an elastase-inhibiting herbal extract:implication for the mechanism underlying elastase-associated wrinkles[J].Int J Dermatol,2006,45 (4) :460-468.