食品科学 ›› 2011, Vol. 32 ›› Issue (4): 11-14.doi: 10.7506/spkx1002-6630-201104003

• 工艺技术 • 上一篇    下一篇

微波辅助碱液提取仙草多糖

蒋文明,李爱军,汪 辉,何丽敏   

  1. 暨南大学理工学院食品科学系
  • 出版日期:2011-03-12 发布日期:2017-04-06
  • 基金资助:
    广东高校科技成果产业化重大项目(cgzhzd0709)

Microwave-assisted Alkali Extraction of Mesona Blumes Polysaccharides

JIANG Wen-ming,LI Ai-jun,WANG Hui,HE Li-min   

  1. Department of Food Science, College of Science and Engineering, Jinan University, Guangzhou 510632, China
  • Online:2011-03-12 Published:2017-04-06

摘要: 研究微波辅助碱液提取仙草多糖的工艺条件。考虑沸水浴时间、碱液浓度、料液比和微波处理时间4个因素对仙草粗多糖提取率的影响,通过单因素试验选择各因素较理想的4个水平,再通过正交试验优化工艺参数。结果表明:碱液浓度是提高仙草多糖提取率的最显著因素,其次是料液比,微波处理时间和沸水浴时间对提取率的影响相对较小。在微波功率400W条件下,碱液浓度0.125mol/L、微波时间90s、料液比1:35(mg/mL)、水浸提1h时仙草粗多糖提取率最高,达到43.84%。

关键词: 仙草多糖, 微波辅助提取, 仙草, 碱液浸提

Abstract: The microwave-assisted alkali extraction of polysaccharides from Mesona Blumes was optimized in this paper. To do this, the effects of four factors including water-bath boiling time, alkaline concentration, material/liquid ratio and microwave treatment time on the extraction rate of polysaccharides were explored by single-factor and orthogonal design methods. Results indicated that alkaline concentration was the most critical factor affecting the extraction rate of polysaccharides, followed by material/liquid ratio. Microwave treatment time and water-bath boiling time exhibited less effect on the extraction rate of polysaccharides. The optimal extraction conditions were microwave treatment time of 90 s, extraction power of 400 W, water-bath boiling time of 1 h, alkaline concentration of 0.125 mol/L, and material/liquid ratio of 1:35. Under these optimal conditions, the extraction rate of polysaccharides from Mesona Blumes was up to 43.84%.

Key words: Mesona Blumes polysaccharides, microwave-assisted extraction, alkali extraction

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