单因素考察活性炭脱除麦冬多糖色素

Decolorization Technology of Polysaccharide from Ophiopogonis Radix with Activated Carbon by Single Factor Test

目的:优化麦冬粗多糖除色素的工艺。方法:以活性炭为吸附剂,选择多糖溶液质量浓度、活性炭用量、脱色时间、脱色温度等4方面进行单因素考察。结果:脱除麦冬多糖色素的最佳条件为多糖溶液质量浓度为5 g.L-1,加入2%的活性炭,在50℃温度下脱色30 min。结论:该脱色方法为麦冬多糖进一步纯化提供了基础。

Objective：To optimize the decolorization technology of polysaccharide from Ophiopogonis Radix.Method：Activated carbon was used as adsorbent.Concentration of polysaccharides,the amount of activated carbon,decolorization time as well as decolorization temperature were selected as experiment factors by single factor test.Result：The optimum decolorization process was as follows：concentration of polysaccharides was 5 g·L-1,the amount of activated carbon was 2%,the temperature was at 50 ℃,the time was 30 min.Conclusion：The technology can establish foundation for the further purification of polysaccharide from Ophiopogonis Radix.