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园艺学报 ›› 2006, Vol. 33 ›› Issue (4): 836-838.

• 研究报告 • 上一篇    下一篇

葡萄白藜芦醇提取和HPLC定量测定适宜条件的研究

李晓东1, 2;李绍华2*;闫树堂2   

  1. (1 中国农业大学农学与生物技术学院, 北京100094; 2 中国科学院植物研究所, 北京100093)
  • 收稿日期:2005-08-16 修回日期:2005-11-02 出版日期:2006-08-25 发布日期:2006-08-25

Optimization for Extraction and Determination of Resveratrol in Grapes by HPLC

Li Xiaodong1, 2;Li Shaohua2*;Yan Shutang2   

  1. (1College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094, China; 2 Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China)
  • Received:2005-08-16 Revised:2005-11-02 Online:2006-08-25 Published:2006-08-25

摘要: 研究了浸提溶剂种类、浸提方式、浸提温度和浸提时间对葡萄果皮和种子白藜芦醇(Res)提取的效果。结果表明, 果皮采用乙酸乙酯浸提溶剂, 研磨后25℃下浸提24 h, 种子采用甲醇浸提溶剂,研磨后25℃下浸提48 h, Res浸提效果最好。上述提取条件下, 采用高效液相色谱测定‘北醇’葡萄果皮和种子中的Res含量分别为3.51μg·g- 1 FM和8.81μg·g- 1 FM。反式Res在检测波长为306 nm条件下,采用等浓淋洗能很好地被检测到。

关键词: 白藜芦醇, 葡萄, 提取, 测定, HPLC

Abstract: The study focused on the extraction procedure, including solvent type, extracting way, temperature and duration, and the determination of resveratrol in grape skins and seeds by HPLC. The results showed that the optimum condition for the extraction of resveratrol in grape skinswas extracted in ethyl acetate for 24 hour at 25℃ after grinding and the optimun condition for the grinded seedswas extracted in methanol for 48 hours at 25℃, and for the grinded seeds. The highest Res content determined by HPLC in ‘Beichun’
grape was 3.51μg·g- 1 FM and 8.81μg·g- 1 FM in skins and seeds under the above conditions, respectively. Res can be determines by HPLC under isocratic with wave length of 306 nm.

Key words: Resveratrol, Grapes, Extraction, Determination, HPLC