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当前位置: 首页 > 文章 > 超声波辅助提取野生软枣猕猴桃茎多糖的工艺优 食品工业科技 2012,33 (6) 297-299
Position: Home > Articles > Optimization of ultrasonic-assisted extraction of polysaccharides from the stem of Actinidia arguta Science and Technology of Food Industry 2012,33 (6) 297-299

超声波辅助提取野生软枣猕猴桃茎多糖的工艺优

作  者：
张春红;吴双;许宁;何晓冰;刘长江
单  位：
沈阳农业大学食品学院
关键词：
软枣猕猴桃茎;多糖;超声波辅助提取;工艺优化
摘  要：
研究超声波辅助热水浸提野生软枣猕猴桃茎多糖的工艺条件。通过单因素实验分别考察固液比、超声功率、提取温度和提取时间对多糖得率的影响;以多糖得率为指标;采用正交实验得出最佳处理组合为:固液比为1∶25g/mL,首先在超声功率300W条件下作用15min,然后在50℃热水中浸提45min,在此条件下软枣猕猴桃茎多糖得率为10.23%。同传统的热水浸提法相比,相同时间条件下,超声波辅助热水浸提法的多糖得率提高了80%。
译  名：
Optimization of ultrasonic-assisted extraction of polysaccharides from the stem of Actinidia arguta
作  者：
ZHANG Chun - hong,WU Shuang,XU Ning,HE Xiao - bing,LIU Chang - jiang* (College of Food,Shenyang Agriculture University,Shenyang 110866,China)
关键词：
Actinidia arguta stem;polysaccharide;ultrasonic - assisted extraction;process optimization
摘  要：
The ultrasonic - assisted water extraction of polysaccharide from the stem of Actinidia arguta was investigated. The aqueous suspension of the stem powder of Actinidia arguta stem 1∶ 25(g/mL)was pretreated by 300W ultrasound for 15min,then subjected to the traditional water extraction. Effects of operation conditions on extraction ratio of polysaccharide,such as ultrasonic power,extracting time,temperature and solid - liquid ratio were studied by single factor experiment. The highest recovery of polysaccharide(10. 23%)could be obtained as the extraction conditions were set as:solid - liquid ratio 1∶ 25(g/mL),temperature 50℃,time 45min,ultrasonic power 300W. Compared with conventional method,the polysaccharide recovery by ultrasonic extraction was improved by 80% under the condition of the same time.

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