作者:Fumie Yamasaki、Shoko Machida、Asami Nakata、Alfarius Eko Nugroho、Yusuke Hirasawa、Toshio Kaneda、Osamu Shirota、Naoyuki Hagane、Tadayoshi Sugizaki、Hiroshi Morita
DOI:10.1007/s11418-012-0647-x
日期:2013.1
Two new isocoumarin glucosides, haworforbins A (1) and B (2), and a new chromone, haworforbin C (3), have been isolated from Haworthia cymbiformis. Their structures and absolute configurations were elucidated on the basis of NMR and CD data. Haworforbin C (3) exhibited moderate inhibition of nitric oxide production in lipopolysaccharide-stimulated RAW264.7 cell line.
从山楂属植物中分离出了两种新的异香豆素苷类化合物--山楂素 A (1)和 B (2),以及一种新的色酮--山楂素 C (3)。根据核磁共振和光盘数据阐明了它们的结构和绝对构型。Haworforbin C (3) 在脂多糖刺激的 RAW264.7 细胞系中表现出中等程度的一氧化氮生成抑制作用。