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林产化学与工业 ›› 2009, Vol. 29 ›› Issue (4): 73-76.

• 研究报告 • 上一篇    下一篇

松针多糖的提取工艺优化

徐丽珊, 张萍华   

  1. 浙江师范大学 化学与生命科学学院, 浙江 金华 321004
  • 收稿日期:2008-07-22 修回日期:1900-01-01 出版日期:2009-08-30 发布日期:2009-08-30

Optimization of the Extraction of Polysaccharides from Pine Needles

XU Li-shan, ZHANG Ping-hua   

  1. College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China
  • Received:2008-07-22 Revised:1900-01-01 Online:2009-08-30 Published:2009-08-30

摘要: 对从松针中提取多糖的工艺条件进行了研究。在提取过程中,比较了水、醇两种溶剂对3种松针提取的多糖得率的影响。并通过单因素法分析了5个主要因素:料液比、提取温度、提取时间、pH值及提取次数对湿地松松针水提多糖得率的影响。在单因素试验的基础上,通过正交试验设计方法对水提湿地松松针多糖的工艺条件进行了优化。试验表明,湿地松松针多糖的最佳提取工艺条件为:料液比1:14(g:mL),提取温度 100℃,浸提时间 3h,pH值6。在此最佳工艺条件下,湿地松松针多糖得率为 4.024%±0.017%。

关键词: 湿地松, 松针, 多糖, 工艺优化, 正交试验

Abstract: Process of extracting polysaccharides from 3 kinds of pine needleshas been studied.During the extracting process, the contents of polysaccharides of three pine needles were compared between sovents of water and ethanol.Five main factors including ratio of solid to liquid, extracting temperature, extracting time, pH value and extraction times were studied on the yield of pine needles polysaccharides. Using single factor analysis, the optimal processing conditions for water extraction of polysaccharides were obtained by orthogonal experiments. The results showed that the optimum parameters were:extraction time 3h at 100℃ with 1:14 ratio of solid to liquid, and pH value 6, and the yield of polysaccharides of P.elliottii was 4.024%±0.017%.

Key words: Pinus elliottii Engelm., pine needles, polysaccharides, optimization, orthogonal experiments

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