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园艺学报 ›› 2008, Vol. 35 ›› Issue (9): 1393-1396.

• 新技术与方法 • 上一篇    下一篇

微波辅助提取马铃薯龙葵素的研究

张 薇;文 雄;潘双银;熊兴耀*
  

  1. (湖南农业大学理学院,长沙 410128)
  • 收稿日期:2008-05-26 修回日期:2008-08-13 出版日期:2008-09-25 发布日期:2008-09-25
  • 通讯作者: 熊兴耀

Microwave-assisted Extraction of Solanine from Potato (Solanum tuberosum L.)

ZHANG Wei,WEN Xiong, PAN Shuang-yin,and XIONG Xing-yao*   

  1. (College of Science, Hunan Agricultural University, Changsha 410128, China)
  • Received:2008-05-26 Revised:2008-08-13 Online:2008-09-25 Published:2008-09-25
  • Contact: XIONG Xing-yao

摘要:

应用微波辐射技术,用乙醇—乙酸双溶剂法从中薯3号马铃薯薯皮中提取了马铃薯植株和块茎中的生物碱龙葵素,对所得初提物进行了纯化,并应用HPLC技术对提取的龙葵素进行了定量分析。通过4因素3水平正交试验确定了本法的最佳提取参数。结果表明微波辐射提高了提取效率并缩短了提取时间。正交试验所得最佳提取流程是:将样品和乙醇—冰乙酸(体积比为100:10)按10:200(g·mL-1)的比例混合,在540 W的微波功率下提取6 min。

关键词: 马铃薯, 微波辅助提取, 龙葵素, HPLC

Abstract: Solanine was extracted from peel of a potato variety ‘Zhong Shu 3’ by using microwave and ethanol/acetic acid solvent. Crude extract was further purified and then qualified by HPLC. The optimized extraction parameters were obtained through a 4 factor, 3 level orthogonal experiment. The results showed that the use of microwave not only increased the extraction efficiency but also reduced the extraction time. The best extraction procedure obtained from the orthogonal experiment was first to mix peel powder with ethanol/acetic acid (100/10,V/V) solvent at the ratio of 10 g of powder to 200 g·ml-1 solvent, and then subject the mix to microwave irradiation for 6 min at the power level of 540 W.

Key words: Solanum tuberosum L., solanine, extraction, microwave-assisted extraction, high-performance liquid chromatography

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