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Purification technology of steviol glycosides by macroporous adsorption resin

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Author:
No author available
Journal Title:
Chinese Traditional and Herbal Drugs
Issue:
10
DOI:
No doi available
Key Word:
甜菊糖苷;大孔吸附树脂;吸附-解吸;工艺优化;HPD-T01树脂

Abstract: 目的 筛选出对甜菊糖苷纯化性能较好的大孔吸附树脂,优化树脂吸附、解吸工艺.方法 采用静、动态吸附、解吸的方法对5种树脂进行筛选;对吸附液pH值、吸附流量、树脂用量、解吸剂流量及用量等工艺参数进行优化,并考察工艺稳定性.结果 所选大孔树脂中,HPD-T01树脂对甜菊糖苷的纯化效果较好,其纯化甜菊糖苷的最优工艺条件为甜叶菊提取物与干树脂质量比为1∶1,上柱液质量浓度为提取物10 g/L时,pH值为7,吸附流量为0.1 BV/min;以70%乙醇为解吸剂,用量为4 BV,解吸流量为0.04 BV/min.结论 HPD-T01树脂对甜菊糖苷纯化效果最佳,操作工艺简单,具有工业化生产应用价值.

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