黑及草的功效与作用禁忌
黑及草的作用禁忌是什么?
要留意黑及草的化学成分
全草含多种呫吨酮及其甙,如花锚甙(halenia-side,1-O-primeverosyl-2,3,5,7-tetramethoxyxanthone),去甲氧基花锚甙(demethoxyhaleniaside,1-O-primeverosyl-2,3,5-trimethoxyx-anthone),1-O-樱草糖基-2,3,4,5-四甲氧基呫吨酮(1-O-primevero-syl-2,3,4,5-tetramethoxyxanthone)[1],1,7-二羟基-2,3,4,5-四甲氧基呫吨酮(1,7-dihydroxy-2,3,4,5-tetramethoxyxanthone),1,5-二羟基-2,3, 7-三甲氧基呫吨酮(1,5-dihydroxy-2,3,7-trimethoxyx-anthone),1,2-二羟基-3,4,5-三甲氧基呫吨酮(1,2-dihydroxy-3,4,5-trimethoxyxanthone),1,5-二羟基-2,3-二甲氧基呫吨酮(1,5-di-hydroxy-2,3-dimethoxyxanthone),1,7-二羟基-2,3-二甲氧基呫吨酮(1,7-dihydroxy-2,3-dimethoxyanthone)[2],2,3,7-三甲氧基呫吨酮1-O-葡萄糖甙(2,3,7-trimethoxyxanthone 1-O-glucoside),2,3,5-三甲氧基呫吨酮1-O-葡萄糖甙(2,3,5-trimethoxyxanthone 1-O-gluco-side,1-羟基-2,3,4,7-四甲氧基呫吨酮(1-hydroxy-2,3,4,7-te-tramethoxyxanthone),1-羟基-2,3,4,5-四甲氧基呫吨酮(1-hydroxy-2,3,4,5-tetramethoxyxanthone),1-羟基-2,3,7-三甲氧基呫吨酮(1-hydroxy-2,3,7-trimethoxyxanthone),1-羟基-2,3,5-三甲氧基呫吨酮(1-hydroxy-2,3,5-trimethoxyxanthone)[3],1-羟某-3,6,8-三甲氧基呫吨酮(1-hydroxy-3,6,8-trimethoxyxanthone,ellipticol),3,6,8-三甲氧基呫吨酮-1-O-樱草糖甙(3,6,8-trimethoxyxanthone-1-O-primeveroside,ellipticoside)[4]。另含有齐墩果酸(oleanolic acid)及谷甾醇-β-D-葡萄糖甙(sitosterol-β-D-glucoside)[3]。
黑及草的临床应用是什么?
1.《贵州民间药物》:治风热头晕,炖肉吃。
2.《贵州草药》:疏风,清暑,镇痛。