细叶杜香(Ledum palustre L. var. Angustum E. Busch)是杜鹃花科(Ericaceae)杜香属(Ledum)植物,在我国集中分布于大兴安岭地区,小兴安岭和长白山也有分布,资源十分丰富。细叶杜香中含有多种活性成分,具有重要的药用价值和芳香价值。本论文建立了同时测定细叶杜香中秦皮乙素、秦皮素、金丝桃苷和槲皮素4种活性成分含量的方法,结合生态环境因素对不同地域细叶杜香中4种活性成分的含量进行比较分析,通过红外光谱对不同地域细叶杜香成分差异进行辅助分析,并建立细叶杜香中4种活性成分的最佳提取工艺,研究结果如下:
1.高效液相色谱法测定细叶杜香中秦皮乙素、秦皮素、金丝桃苷和槲皮素4种活性成分的含量的色谱条件为:色谱柱:Inertsil ODS-SP (5μm,4.6 mm×250 mm);流动相:V(甲醇):V(0.2%醋酸)=43:57;流速:1.0 mL-min-1;检测波长:350nm;进样量:10μL;柱温:30℃。
2.不同产地细叶杜香叶中都含有秦皮乙素、秦皮素、金丝桃苷和槲皮素4种活性成分,但含量有一定差异,采自阿木尔林业局红旗林场和根河林业局萨吉气林...
【英文摘要】
Ledum palustre L. var. Angustum E. Busch resource is very rich, which mainly concentrates in Daxing'anling area of our country, and also distributes in Xiaoxing'anling and Changbai Mountain. There are many active components in Ledum palustre, and they have important medicinal value and aromatic value. In this paper we established a RP-HPLC method for the determination of aesculetin, fraxetin, hyperoside and quercetin in Ledum palustre, and compared content of the four active components in different area com...