超声波辅助提取胖大海多糖的工艺优化

食品科学 ›› 2012, Vol. 33 ›› Issue (20): 99-103.

超声波辅助提取胖大海多糖的工艺优化

刘强1，吴艳2,*，吴金鸿2，艾维娜3

1.杭州娃哈哈集团有限公司 2.上海交通大学农业与生物学院，陆伯勋食品安全研究中心 3.江南大学食品学院

收稿日期:2011-08-18 修回日期:2012-09-24 出版日期:2012-10-25 发布日期:2012-11-09
通讯作者: 吴艳 E-mail:wuyan7712@hotmail.com
基金资助:
国家自然基金青年科学基金

Optimization of Ultrasonic-Assisted Extraction of Polysaccharides from Boat-Fruited Sterculia Seeds

Received:2011-08-18 Revised:2012-09-24 Online:2012-10-25 Published:2012-11-09
Contact: Yan WU E-mail:wuyan7712@hotmail.com

摘要/Abstract

摘要： 研究超声波辅助提取胖大海多糖的最佳工艺条件。采用响应面分析法，以超声波功率、超声提取时间及料水比为自变量，多糖得率为响应值，做三因素三水平响应面回归分析。胖大海多糖超声波辅助提取的最佳工艺条件为超声波功率210W、超声提取时间28min、料水比1:63(g/mL)，在此条件下多糖得率28.45%，多糖含量60.02%。超声波辅助法提取胖大海多糖的最佳条件稳定可行，与微波辅助提取胖大海多糖相比，可缩短提取时间，减少料水比，提高多糖得率和多糖含量。

关键词: 胖大海, 多糖, 超声波提取, 得率, 响应面分析

Abstract: To find optimal conditions for the ultrasonic-assisted extraction from polysaccharides from boat-fruited sterculia seeds, ultrasonic power and extraction time and solid/solvent ratio were used as independent variables and polysaccharide yield was used as response function in a three-variable, three-level regression analysis. The optimum conditions for the extraction of polysaccharides were 210 W, 28 min and 1:63 (g/mL). Under these conditions, the yield and purity of crude extract were 28.45% and 60.02%, respectively. This ultrasonic-assisted extraction procedure was stable and applicable for the extraction of polysaccharides from boat-fruited sterculia seeds. Compared with microwave-assisted extraction, this procedure required shorter time, saved water and provided increased crude extract yield and content.

Key words: boat-fruited sterculia seeds, polysaccharides, ultrasonic-assisted extraction, yield, response surface analysis

中图分类号:

TS201.1

刘?强1，吴?艳2,*，吴金鸿2，艾维娜3 . 超声波辅助提取胖大海多糖的工艺优化[J]. 食品科学, 2012, 33(20): 99-103.

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