食品科学 ›› 2008, Vol. 29 ›› Issue (10): 477-479.

• 分析检测 • 上一篇    下一篇

合水粉葛异黄酮含量的紫外分光光度法和HPLC法分析研究

 董华强, 刘福来, 林丽超, 黄建波, 李梅   

  1. 佛山科学技术学院食品科学系;
  • 出版日期:2008-10-15 发布日期:2011-12-08

Quantitative Analysis of Isoflavones in Heshui Pueraria thomsonii by Ultraviolet Spectrophotometry and HPLC

 DONG  Hua-Qiang, LIU  Fu-Lai, LIN  Li-Chao, HUANG  Jian-Bo, LI  Mei   

  1. Department of Food Science,Foshan University,Foshan 528231,China
  • Online:2008-10-15 Published:2011-12-08

摘要: 目的:建立国家地理标志产品合水粉葛异黄酮含量分析方法。方法:采用葛根素为标准对照品,以紫外分光光度法和高效液相色谱法(HPLC)对粉葛乙醇提取液的异黄酮含量检测条件进行研究。结果:在流动相甲醇:水=60:40(V/V)和0.25%冰乙酸、流速1.0ml/min、检测器波长250nm条件下,HPLC检测合水粉葛黄酮类化合物含量有良好的回收率(99.4%);在250nm处紫外分光光度法直接检测合水粉葛黄酮乙醇提取液也有较好的回收率(98.7%),但检测结果含量较HPLC法略偏高。结论:已建立一套适于合水粉葛异黄酮含量检测的UV和HPLC分析方法。

关键词: 合水粉葛, 黄酮, 紫外分光光度, 高效液相色谱

Abstract: This study aimed to establish the methods for quantitative analysis of isoflavones of Heshui Pueraria thomsonii. with puerarin as standard,the quantitative analysis of isoflavones in the ethanol extract from Heshui Pueraria thomsonii was conducted by ultraviolet (UV) spectrophotometry and HPLC. The results showed that higher recovery (99.4 %) of the HPLC method was achieved under the conditions of mixture of methanol and water (60:40,V/V) plus 0.25 % acetic acid as mobile phase,flow rate 1.0 ml/min and UV detection wavelength 250 nm,and the recovery of the UV method is also higher (98.7 %),but the determination results of the isoflavones content by this method are higher than those determined by HPLC.

Key words: Heshui Pueraria thomsoni, iisoflavones, ultraviolet spectrophotometry, HPLC