枸杞多糖提取工艺的优化

Extraction Process Optimization of Lycium barbarum Polysaccharides

通过单因素试验和正交试验对影响枸杞多糖提取率的因素提取时间、提取温度和固液比进行了优化。结果表明:各因素按影响程度大小排序为固液比>提取温度>提取时间。枸杞多糖提取工艺最佳提取方案:固液比为1︰30,提取温度为75℃,提取时间为3.0 h,在该工艺下多糖最高提取率为1.14%。

In order to study solid-liquid ratio, extraction temperature, extraction time, the impact of Lycium barbarum polysaccharideextraction rate, the treatment conditions were optimized by single factor experiment and orthogonal experiment design. The results showedthat the main factors influencing the extraction rate of extraction were solid liquid ratio〉 extraction temperature 〉extraction time. Theoptimum technological conditions for extract polysaccharides from Lycium barbarum were as follows： the material liquid ratio of 1：30, thetemperature of 75 ℃, the extraction time of 3 h. Under the optimal conditions, the highest yield of polysaccharides reached 1.14%.