APP下载

不同产地金银花中绿原酸及木犀草苷的快速检测

2015-07-13赵君峰张彬张红梅

安徽农业科学 2015年15期

赵君峰 张彬 张红梅

摘要 [目的]利用HPLC法同时检测不同产地金银花中绿原酸和木犀草苷。[方法]采用迪马公司Kromasil-C18色谱柱(250×4.6 mm,5 μm ),以甲醇-1%磷酸为流动相进行梯度洗脱,检测波长为350 nm,柱温为室温,流速1 ml/ min,进样量5 μl。[结果]绿原酸浓度在0~1 mg/ml内与峰面积呈良好线性关系(r=0.999 1),回收率为98.79%~101.67%,相对标准偏差为1.05%;木犀草苷浓度在0~0.1 mg/ml内与峰面积呈良好线性关系(r=0.998 7),回收率为98.06%~101.17%,相对标准偏差为1.17%。[结论]该方法可同时测定金银花中绿原酸和木犀草苷的含量,结果准确度高、精密度好,可为金银花药材的质量控制研究提供一种可靠的参考方法。

关键词 金银花;绿原酸;木犀草苷;高效液相色谱法

中图分类号 S567.7+9 文献标识码

A 文章编号 0517-6611(2015)15-061-02

Rapid Detection of Chlorogeic Acid and Galuteolin in Honeysuckle from Different Places

ZHAO Junfeng, ZHANG Bin, ZHANG Hongmei (School of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023)

Abstract [Objective] The high performance liquid chromatographic method was developed for determination of chlorogenic acid and galuteolin simultaneously in different honeysuckle.[Method] Kromasil-C18 Column(250×4.6 mm, 5 μm)was used for gradient elution with a mobile phase of mixture of methanol-1% phosphoric acid solution at a flow rate of 1.0 ml/min with the detection wavelength of 350 nm at room temperature.[Result] The calibration curve was linear in the range of 0-1 mg/ml for chlorogenic acid (r=0.999 1), and the recovery of chlorogenic acid was 98.79%-101.67% with relative standard deviation (RSD) of 1.05%.The calibration curve was linear in the range of 0-0.1 mg/mL for galuteolin (r=0.998 7), and the recovery of galuteolin was 98.06%-101.17% with relative standard deviation (RSD) of 1.17%.[Conclusion] This method is sensitive, reliable and can be applied to determine chlorogenic acid and galuteolin in the material of honeysuckle.

Key words Honeysuckle; Chlorogenic acid; Galuteolin; HPLC

金銀花(Flos Lonicerae)为忍冬科(Caprifoliaceae)忍冬属(Lonicera)植物忍冬(Lonicerajaponica Thunb.)的干燥花蕾或带初开的花,具有清热解毒、凉散风热的功能,用于痈肿疔疮、喉痹、丹毒、热毒血痢、风热感冒、温病发热诸病[1]。有机酸类和黄酮类化合物为金银花药材的主要有效成分[2],绿原酸和木犀草苷已作为金银花药材含量测定的指标性成分收入2010年版《中国药典》[1]。以前对绿原酸和木犀草苷的测定均是分别进行的[3-4],近年来有学者利用转换波长法实现了对绿原酸及木犀草苷的同时检测[5]。笔者以绿原酸和木犀草苷作为指标性成分,采用高效液相法在同一波长下同时测定绿原酸和木犀草苷含量,为金银花药材提供了更为简单合理的质控方法。

1 材料与方法

1.1 试药 金银花,收集自金银花主产区河南、山东、四川、重庆等地(表1),经西南大学园艺园林学院植物学教研室白志川教授鉴定为忍冬科忍冬属植物忍冬(Lonicera japonica Thunb.)的干燥花蕾;……

登录APP查看全文