Two New Oleanene-Type Triterpenoid Saponins from Pueraria peduncularis

From the radix of Pueraria peduncularis Grah., two new oleanene-type triterpenoid saponins named pedunsaponins B (2) and C (3) were isolated. Their structures were determined as 3-O-(6-O-methyl)-beta-D-glucuronopyranosyl-3 beta.15 alpha-diol-12-oleanene-16-one (2) and 3-O-beta-D-glucopyranosyl-( 1 --> 3)-beta-D-glucuronopyranosyl-3 beta, 15 alpha-diol-12-oleanene-16-one (3) on the basis of spectroscopic evidence and chemical reactions.

中药苦葛资源开发与利用研究进展

苦葛为豆科葛属缠绕草本植物,资源十分丰富。该文对中药苦葛在医用和农用方面的开发与利用研究进展进行综述。结果表明,苦葛具有多种医用活性,而且对农业害虫植物病原菌和软体动物也有较强的抑制作用。虽然从中分离到了一些化合物,但这些化合物的具体生物活性尚不清楚,其作用机理也有待进一步研究。因此,医药研究开发专家和农药研究开发专家应联合起来,对苦葛进行深入研究,对苦葛资源进行综合开发利用,充分发挥苦葛的资源价值。