作者:Bernadete P. da Silva、Robson R. Bernardo、José P. Parente
DOI:10.1016/s0031-9422(99)00441-0
日期:2000.1
Two flavonol diglycosides, tamarixetin 3-O-neohesperidoside, kaempferide 3-O-neohesperidoside and the known quercetin 3-O-neohesperidoside, together with six other known flavonoids were isolated from the leaves of Costus spicatus and their structures were elucidated by a combination of spectroscopic and chemical methods. The flavonol diglycosides were evaluated for inhibitory activity of nitric oxide
从刺槐叶中分离出两种黄酮醇二糖苷,他马利西汀 3-O-新橙皮苷、山奈酚 3-O-新橙皮苷和已知的槲皮素 3-O-新橙皮苷,以及其他六种已知的黄酮类化合物,并通过以下组合阐明了它们的结构光谱法和化学法。评估了黄酮醇二糖苷对活化巨噬细胞产生一氧化氮的抑制活性(图 1)。