食品科学

• 工艺技术 • 上一篇    下一篇

响应面试验优化“Amano”β-糖苷酶水解槐角异黄酮工艺

张晓松,张博雅,张永忠,金 花*   

  1. 东北农业大学理学院,黑龙江 哈尔滨 150030
  • 出版日期:2016-03-25 发布日期:2016-03-18

Process Optimization by Response Surface Methodology for Hydrolysis of Fructus Sophorae Isoflavones by“Amano” β-Glucosidase

ZHANG Xiaosong, ZHANG Boya, ZHANG Yongzhong, JIN Hua*   

  1. College of Science, Northeast Agricultural University, Harbin 150030, China
  • Online:2016-03-25 Published:2016-03-18

摘要:

利用“Amano”β-糖苷酶对槐角异黄酮进行水解制备染料木黄酮。采用高效液相色谱法检测槐角异黄酮水解率。探讨酶质量浓度、水解时间、pH值和水解温度对异黄酮水解率的影响,并通过响应面法确定最佳水解条件。结果表明,最佳水解条件为酶质量浓度0.5 mg/mL、水解时间3.68 h、pH 4.95、水解温度59.2 ℃。在此条件下,槐角异黄酮水解率达95.76%。该研究为自然界药用植物的开发应用提供了理论依据。

关键词: 槐角异黄酮, 酶水解, 高效液相色谱

Abstract:

Purpose: To optimize the hydrolysis (into genistein) of isoflavones extracted from Fructus Sophorae with “Amano”
β-glucosidase. Methods: The optimization of four hydrolysis conditions including enzyme concentration, time, pH and
temperature for improved hydrolysis efficiency was performed using response surface methodology (RSM). Results: The
optimal hydrolysis conditions were determined as follows: enzyme concentration, 0.5 mg/mL; hydrolysis time, 3.68 h; pH
value, 4.95, and hydrolysis temperature, 59.2 ℃. Under these conditions, the hydrolysis efficiency of total isoflavones was as
high as 95.76%. Our investigation is significant for the exploitation and application of medicinal pants.

Key words: Fructus Sophorae isoflavones, enzymatic hydrolysis, high performance liquid chromatography

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