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臭梧桐的化学成分与降压药理研究

ว 2026-09-10 00:18:33ที่ https://www.wiki8.cn/chouwutong_72877/เ admin

现代药理研究表明,臭梧桐叶含海州常山黄酮甙、内消旋肌醇、生物碱、刺槐素-7-双葡萄糖醛酸甙、植物血凝素、臭梧桐素A和B、海州常山苦素A和B,还含洋丁得酚甙等。降压作用是其研究重点:臭梧桐煎剂、水浸剂、热浸剂及其提取物,不论经口灌胃或注射给药,对麻醉或清醒的大鼠、兔、猫、狗及肾型高血压动物均有不同程度降压作用,以水浸剂和煎剂作用最强。开花前的臭梧桐比开花后者降压作用强。麻醉犬和大鼠静脉给药呈现两相降压:第一相强而短,第二相温和持久。其降压主要通过对血管运动中枢的抑制及血管内感受器反射机制实现,并有直接扩张血管与轻度神经节阻断作用。此外还有抗炎(与豨莶草配伍成豨桐丸)、镇痛(臭梧桐素B作用较吗啡强而持久)、镇静及驱肠虫作用。

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