《中药大辞典》:井口边草
清热解毒,活血利尿。治痢疾,肠炎,小便淋痛,痈疮疖肿,骨折。
①《滇南本草》:"治跌打损伤,筋断骨碎,敷患处;脱肛敷囟门即入,随后换药。"
②《云南中草药》:"消炎止痢,舒筋接骨。治慢性肝炎,痢疾,腰背痛,骨折。"
③《昆明民间常用草药》:"清热解毒,消炎利尿,活络止痛。治痢疾,肠炎,肝炎,咽喉炎,泌尿系炎症,痈疮疖肿,风湿,跌打疼痛。"
《中华本草》《中药大辞典》:井口边草
拉丁植物动物矿物名:Pteris cretica L.var.nervosa(Thunb.)Ching et S.H.Wu[P.nervosa Thunb.]
采收和储藏:全年可采,鲜用,洗净切段,晒干。
根茎含大叶凤尾蕨甙(creticoside)A、B、C、D。
全草含2β,6β,16α-三羟基-左旋-贝壳杉烷(2β,6β,16α-trihydroxy-(-)-kaurane),2β,15α,16α,17-四羟基-左旋-贝壳杉烷[2β,15α,16α,17-tetrahydroxy-(-)-kaurane],2β,6β,15α-三羟基-左旋-16-贝壳杉烯[2β,6β,15α-trihydroxy-(-)-kaur-16-ene],2β,14β,15α,16α,17-五羟基-基旋-贝壳杉烷[2β,14β,15α,16α,17-pentahydroxy-(-)-kaurane],2β,15α-二羟基-对映-16-贝壳杉烯(2β,15α-dihydroxy-ent-kaur-16-ene),2β,16α-二羟基-对映-贝壳杉烷(2β,16α-dihydroxy-ent-kaurane),2β,6β,16α-三羟基-对映-贝壳杉烷(2β,16β,16α-trihydroxy-ent-kaurane),2β,6β,16α-三羟基-对映-贝壳杉烷-2-O-β-D-葡萄糖甙(2β,16β,16α-trihydroxy-ent-kaurane-2-O-β-D-glucoside),2β,15α,16α,17-四羟基-对映-贝壳杉烷(2β,15α,16β,17-tetrahydroxy-ent-kaurane),2β,6β,15α-三羟基-对映-16-贝壳杉烯(2β,6β,15α-trihydroxy-ent-kaur-16-ene),2β,6β,15α-三羟基-对映-16-贝壳杉烯-2-O-β-D-葡萄糖甙(2β,6β,15α-trihydroxy-ent-kaur-16-ene-2-O-β-D-glucoside),2β,14β,15α,16α,17-五羟基-对映-贝壳杉烷(2β,14β,15α,16α,17-pentahydroxy-ent-kaurane),蕨素(pterosin)A、B、C、F、S,大叶凤尾蕨甙(creticoside)A、B、C、E,异蕨甙(isopteroside)C,欧蕨伊鲁甙(ptaquiloside)。