丝棉木【异名】白皂树(《中国树木志略》),明开夜合(《河北习见树木图说》),桃叶卫矛(《中国树木分类学》),白杜(《中国高等植物图鉴》),鸡血兰(《贵州民间药物》),白桃树(《上海常用中草药》),野杜仲、白樟树、南仲根(《浙江民间常用草药》)。 以根、茎皮、枝叶入药。春秋采根,春采树皮,切段晒干。夏秋采枝叶鲜用。
【性味归经】苦、涩,寒。有小毒。
【功能主治】根、茎皮:止痛。用于膝关节痛。枝、叶:解毒。外用治漆疮。
【用法用量】10~100克。外用适量,煎水熏洗。
【摘录】《全国中草药汇编》 丝棉木茎木部含雷公藤内酯(wilforlide)A、B,没食子酸(gallic acid),齐墩果酸(oleanolic acid),模绕酮酸(moronicacid),3β,22a-二羟基-12-齐墩果烯-29-羧酸(3β,22a-dihydroxy-olean-12-en-29-oic acid),3β,25-环氧-3a-羟基-20(9)-羽扇豆烯28-核酸(benulin)及丝木棉酸(bungeanic acid)。种子含6a,12-二乙酰氧基-1β,2β,9a-三(β-呋喃羧氧基)-4a-羟基-β-二氢沉香呋喃[6a,12-diacetoxy-1β,2β,ga-tri(β-furancar-bonyloxy)-4a-hydroxy-β-dihydroagarofuran],6a,12-二乙酰氧基-1β,9a-二(β-呋喃
羧氧基)-4a-羟基-2β-2-甲基-丁酰氧基-β-二氢沉香呋喃[6a,12-diacetoxy-1β,9a-di(β-furancarbonyloxy)-4a-hy-droxy-2β-2-methyl-butanoyloxy-β-dihydroagarofuran],6a,12-二乙酰氢基-2β,9a-二(β-呋喃羧氧基)-4a-羟基-1β-2-甲基-丁酰氧基-β-二氢沉香呋喃[6a,12-diacetoxy-2β,9a-di(β-furancarbonyloxy)-4a-hydroxy-1β-2-methyl-butanoyloxy-β-dihydroagarofuran]1β,2β,6a,12a-四乙酰氧基-9a-苯甲酸氧基-β-二氢沉香呋喃(1β,2β,6a,12a-tetraacetoxy-9a-benzoyloxy-β-dihydroagarofuran),2β,6a,12-三乙酰氧基-1β,9a-二(β-呋喃羧氧基)-4a-羟基-β-二氢沉香呋喃[2β,6a,12-triacetoxy-1β,9a-di(β-furancarbonyloxy)-4a-hydroxy-β-dihydroagarofuran],2β,6a,12-三乙酰氧基-1β-苯甲酰氧基-9a-β-呋喃羧氧基-4a-羟基-β-二氢沉香呋喃(2β,6a,12-tri-acetoxy-1β-benzoyloxy-9a-β-furancarbonyloxy-4a-hydroxy-β-dihy-droagarofuran),2β,6a,12-二乙酰氧基-1β,9a-二苯甲酰氧基-4a-羟基-β-二氧沉香呋喃(2β,6a,12-triacetoxy-1β,9a-dibenzoyloxy-4a-hydroxy-β-dihydroagarofuran)及6a,9β,12-三乙酰氧基-1β,8β-二苯甲酰氧基-2β-己酰氧基-β-二氢沉香呋喃(6a,9β,12-triacetoxy-1β,8β-dibenzoyloxy-2β-hexanoyloxy-β-dihydroagaroafuran)。 治疗血栓闭塞性脉管炎:取丝棉木根150~200克,土牛膝5钱(鲜品加倍),每口1剂水煎服。疗程至少20天。治疗10例,均有趾端坏死,病程3~14年不等。治后随访6例(停药后3~24个月),其中基本痊愈者5例,进步1例。服药期间未发现不良反应。