紫萁贯众的功效与作用禁忌
紫萁贯众的作用禁忌是什么?
小毒
要留意紫萁贯众的化学成分
紫萁贯众根茎含东北贯众素(dryocrassin)及多种内酯成分:紫萁内酯[(4R,5S)-osmundalactone〕,5-羟基-2-己烯酸-4-内酯[(4R,5S)-5-hydroxy-2-hexen-4-olide],5-羟基己酸-4-内酯[(4R,5S)-5-hydroxyhexan-4-olide),3-羟基己酸-5-内酯[(3S,5S)-3-hydroxyhexan-5-olide],葡萄糖基紫萁内酯(osmundalin),二氢异葡萄糖基紫萁内酯(dihydroisoomundalin),2-去氧-2-吡喃核糖内酯(2-deoxy-2-ribopyranolactone)。还含类花楸酸甙(parasorboside),5-羟基-3-(β-D-吡喃葡萄糖氧基)己酸甲酯(methyl (3S,5S)-5-hydroxy-3-(β-D-glucopyranosyloxy ) hexanoate],麦芽酚-β-D-吡喃葡萄糖甙(maltol-β-D-glucopyranoside),5-羟甲基-2-糠醛(5-hydroxy methyl-2-furfural),甘油(glycerin),琥珀酸(succinic acid),尖叶土杉甾酮(ponasterone)A,蜕皮甾酮(ecdysterone),蜕皮素(ecdysone)和多糖。