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八角叶多糖的最佳提取工艺研究

Optimal Extraction Process of Polysaccharide from Illicium Verum Leaves
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摘要 采用水提醇沉法提取八角叶多糖,苯酚-硫酸法测定了八角叶的多糖含量。利用正交设计方法优化得到最佳提取工艺条件为:提取温度75℃、料液比1∶50、提取时间3h、提取次数2次,所得八角叶粗多糖产率达12.87%,粗多糖中多糖总含量为28.22%。 The water extraction and alcohol precipitation were selected to extract polysaccharides from illicium verum leaves and the phenol-sulfuric acid method was used to determine the polysaccharide content. The optimal extraction process was selected with the orthogonal test design.The optimal extraction process was extraction temperature 75℃ , with 2h, with 1:50 (g /mL) of illicium verum leaves weight to distilled water and extraction for 2 times. The optimum extraction rate o f polysaccharide from illicium verum leaves was 12.87% and the total content of crude polysaccharides was 28.22%.
出处 《化工技术与开发》 CAS 2015年第1期5-7,共3页 Technology & Development of Chemical Industry
基金 广西自然科学基金资助项目(2013GXNSFAA019033) 广西教育厅科研重点项目(2013ZD038) 广西研究生教育创新计划项目(YCSZ2013087)
关键词 八角叶 多糖 最佳提取工艺 illicium verum leaves polysaccharide optimal extraction process
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