HPLC法测定不同产地功劳木中3个有效成分

目的测定功劳木中3,4,5-三甲氧基苯酚-1-O-β-D-葡萄糖苷(1)e、rythro-syringoylglycerol-8-O-β-D-glucoside(2)、5,5'-二甲氧基落叶松脂醇-4'-O-β-D-葡萄糖苷(3),为功劳木质量控制提供科学依据。方法采用高效液相色谱法,依利特Hypersil-C18柱(4.6 mm×250 mm,5μm);流动相为乙腈-水(14∶86);检测波长280 nm;体积流量1 mL/min;柱温25℃。结果化合物12,,3分别在0.12～2.40μg(r=0.999 5),0.20～4.00μg(r=0.999 6),0.07～1.40μg(r=0.999 6)与峰面积Y线性关系良好,平均加样回收率依次为100.3%,98.8%,97.2%(n=6)。结论该方法快速,简单,重复性好,适用于同时测定功劳木中化合物12,3,。

New Isoflavonoid Glycosides from the Rhizomes of Iris leptophylla Lingelsh.

Two new isoflavonoid glucosides, 5-hydroxy-6,7-methylenedioxy-isoflavone-4＇-O-D-glucopyranosyl （2→〉l）-L-rhamnoside （irilone-bioside） （compound 1） and 5,4＇-methoxy-6,7-methylenedioxyisoflavone-3＇-O-β-D-glucoside （irisleptophyllidin） （compound 2）, together with five known compounds, nigricanin- 4＇-O-β-D-glucoside （compound 3）, irifloside （compound 4）, irigenin （compound 5）, 5, 3＇, 4＇-trimethoxy-6,7-methylenedioxyisoflavone （compound 6）, and nigricanin （compound 7） were isolated from the alcoholic extract of rhizomes of Iris leptophylla Lingelsh. Their structures were elucidated by spectroscopic methods.