食品科学 ›› 2010, Vol. 31 ›› Issue (6): 48-51.doi: 10.7506/spkx1002-6630-201006011

• 工艺技术 • 上一篇    下一篇

酶解结合超声波辅助技术提取纯化菊米总黄酮

姚 超1,于海宁2,阮 晖1,何国庆1,沈生荣1 ,*   

  1. 1.浙江大学生物系统工程与食品科学学院 2. 浙江工业大学药学院
  • 收稿日期:2009-05-04 修回日期:2009-10-23 出版日期:2010-03-15 发布日期:2010-12-29
  • 通讯作者: 沈生荣 E-mail:shrshen@zju.edu.cn
  • 基金资助:

    浙江省科技厅重大招标项目(2008C02005-4)

Enzymatic Hydrolysis Followed by Ultrasonic-assisted Extraction and Macroporous Resin Adsorption for Purification of Total Flavonoids from Flos Chrysanthemi Indici

YAO Chao1,YU Hai-ning2,RUAN Hui1,HE Guo-qing1,SHEN Sheng-rong1,*   

  1. 1. School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310029, China;
    2. College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
  • Received:2009-05-04 Revised:2009-10-23 Online:2010-03-15 Published:2010-12-29
  • Contact: SHEN Sheng-rong1 E-mail:shrshen@zju.edu.cn

摘要:

采用纤维素酶酶解结合超声波辅助提取,通过大孔树脂分离、纯化菊米中的黄酮类化合物,并通过单因素试验和正交试验进行工艺优化。结果表明:纤维素酶最佳酶解条件为料液比1:10(g/mL)、酶用量1.5%、酶解温度40℃、pH6.0、酶解时间6h;超声波辅助最佳提取条件为乙醇体积分数70%、提取时间0.5h。以自然流速过大孔树脂D-101 柱,经水洗除杂、60% 乙醇溶液洗脱,获得菊米提取物得率达7%,黄酮类物质含量50% 以上。

关键词: 黄酮类物质, 超声波, 纤维素酶, 大孔树脂, 菊米

Abstract:

Cellulase hydrolysis followed by ultrasonic-assisted extraction was adopted to extract crude total flavonoids from Flos Chrysanthemi Indici. The optimal cellulase hydrolysis and ultrasonic-assisted extraction processes were both investigated by orthogonal array design. Besides, the purification of the crude total flavonoids with D-101 macroporous resin column was explored. Results showed that the optimal cellulase hydrolysis could be achieved via hydrolysis for 6 h at 40 ℃, pH 6.0, 1:10 material/liquid ratio (g/mL) and 1.5% enzyme dose, and the use of 70% ethanol solution to extract the cellulase hydrolysate of Flos Chrysanthemi Indici for 0.5 h resulted in an optimal extraction of total flavonoids. The purification process consisting of adsorption of total flavonoids onto D-101 macroporous resin column at natural flow rate, washing of the column with water for the removal of impurities and desorption with 60% ethanol gave a recovery and purity of total flavonoids of 7% and more than 50%, respectively.

Key words: flavonoid, ultrasonic, cellulase, macroporous resin, Flos Chrysanthemi Indici

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