漆树籽粕多糖的提取工艺优化及抗氧化活性研究

被引:4
作者
陈虹霞 [1 ]
王成章 [1 ,2 ]
叶建中 [1 ]
周昊 [1 ,2 ]
陶冉 [1 ]
李文君 [1 ]
机构
[1] 中国林业科学研究院林产化学工业研究所生物质化学利用国家工程实验室国家林业局林产化学工程重点开放性实验室江苏省生物质能源与材料重点实验室
[2] 中国林业科学研究院林业新技术研究所
关键词
漆籽; 籽粕; 多糖; 提取; 抗氧化活性;
D O I
10.13386/j.issn1002-0306.2016.04.043
中图分类号
TQ281 [碳水化合物、糖];
学科分类号
100713 [天然药物化学];
摘要
以脱脂后的漆树籽粕为原料,采用热回流提取漆树籽粕多糖,通过单因素实验和正交实验优化该方法的最佳工艺条件,并进一步研究漆树籽粕多糖对羟自由基和ABTS+自由基的清除能力。结果表明:最佳工艺条件为提取时间2.5 h,料液比1∶20(g∶m L),提取温度80℃和提取次数2次,此时籽粕多糖的得率为1.561%。漆树籽粕多糖对清除羟自由基和ABTS+自由基的IC50分别为8.515 mg·m L-1和7.03 mg·m L-1,当漆树籽粕多糖的浓度为25 mg·m L-1时,对羟自由基的清除率达到61.5%,当浓度为10 mg·m L-1时,对ABTS+自由基的清除率达到58.4%。体外抗氧化实验表明漆树籽粕多糖抗氧化活性作用明显。
引用
收藏
页码:254 / 258
页数:5
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