别名:过岗龙、过江龙、邬郎藤、乌藤、串鼻藤、飞扬藤、山道藤、九龙根、羊蹄风、黄开口、子燕藤、五里藤、双木蟹、九牛燥、五花血藤、马脚藤、马蹄叶根
根及茎皮含鞣质20.76%。根含5,6,7,5ˊ-四甲氧基-3ˊ,4ˊ-亚甲二氧基黄酮(5,6,7,5ˊ-tetramethoxy-3ˊ,4ˊ-methylene dioxyflavone),5,6,7,3ˊ,4ˊ,5ˊ-六甲氧基黄酮(5,6,7,3ˊ,4ˊ,5ˊ-hexamethoxyflavone),5,7,5ˊ-三甲氧基-3ˊ,4ˊ-亚甲二氧基黄酮(5,7,5ˊ-trimethoxy-3ˊ,4ˊ-methylenedioxyflavone),5,6,7,3ˊ,4ˊ-五甲氧基黄酮(5,6,7,3ˊ,4ˊ-pentamethoxyflavone),5,7,3ˊ,4ˊ5ˊ-五甲氧基黄酮(5,7,3ˊ,4ˊ5ˊ-pentamethoxyflavone),5,7,3ˊ,4ˊ-四甲氧基黄酮(5,7,3ˊ,4ˊ-tetamethoxyflavone),龙藤甙(bauhinin),没食子酸(gallic acid)等。
祛风除湿,行气活血。主风湿痹痛,跌打损伤,偏瘫,胃脘痛,疳积,痢疾