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。
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.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2012年第20期99-103,共5页
Food Science
基金
国家自然科学基金青年科学基金项目(30900998)
关键词
胖大海
多糖
超声波提取
得率
响应面分析
boat-fruited sterculia seeds
polysaccharides
ultrasonic-assisted extraction
yield
response surface analysis
