食品科学 ›› 2005, Vol. 26 ›› Issue (9): 300-302.

• 工艺技术 • 上一篇    下一篇

无花果叶、番石榴叶中黄酮类化合物的提取与测定

 彭珊珊, 肖峰   

  1. 韶关学院食品工程系
  • 出版日期:2005-09-15 发布日期:2011-09-20

Determination of Ginkgo Biloba Flavonoids in Gingkgo Tear,Fig Leaf,Guava Leaf

 PENG  Shan-Shan, XIAO  Feng   

  1. Department of Food Engineering, Shaoguan University
  • Online:2005-09-15 Published:2011-09-20

摘要: 黄酮是治疗糖尿病的重要天然有机成分。选用乙醇冷浸提与超声波相结合的方法提取,进行了条件试验,用70%的乙醇冷浸提12h,料液比选取1:50,超声波额定频率为40kHz,提取时间为40min。并且采用分光光度法测定了无花果叶、番石榴叶中黄酮类化合物的含量,并与国内多个地区银杏叶中黄酮类化合物的含量比较。结果表明:番石榴叶中黄酮类化合物含量为1.27%,无花果叶中黄酮类化合物含量为0.64%,比银杏叶中的黄酮类化合物含量高。无花果叶、番石榴叶等有待进一步开发。

关键词: 黄酮, 提取, 测定, 分光光度法, 无花果叶, 番石榴叶, 银杏叶

Abstract: Flavonoid is an important natural organic constituent for curing diabetes. Flavonoid was extracted in gingkgo tear, fig leaf,guava leaf with ethanol soak extraction and ultrasound, and determined contents by spectrophotometry .The results snowed that contents the flavonoid of were rich in fig ,guava and gingkgo.

Key words: flavonoid, extract, determine, spectrophotometry, gingkgo tear, fig leaf, guava leaf