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unknown
Hot water extraction of longan polysaccharide assisted by microwave pretreatment
Authors
凌雪萍
徐慧
+3 more
李清彪
杨翠娴
邵文尧
Publication date
1 August 2007
Publisher
《化工学报》编辑部
Abstract
联系人: 李清彪。第一作者: 杨翠娴( 1982 ) ) , 女, 硕士研究生。龙眼多糖具有抗氧化、抗衰老等多种生物活性,但对龙眼多糖提取工艺和其化学结构方面的研究文献报道较少。采用微波前处理-热水浸提新工艺提取龙眼多糖,单因素考察及正交实验结果表明,在所考察实验范围内,龙眼多糖的最佳提取工艺条件为:微波前处理功率700W,处理时间60s,热水浸提料液比1∶15,浸提温度100℃,浸提时间7h,搅拌速率240r.min-1。在此条件下,龙眼多糖收率可达9.00mg.(g龙眼)-1(干重)。紫外和红外光谱分析结果显示,所获得的龙眼多糖是具乙酰氨基结构的β型吡喃酸性杂多糖。厦门市翔安区科技局资助项
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Last time updated on 16/06/2016