大孔吸附树脂分离纯化桃花多酚的研究
Science and Technology of Food Industry(2012)
Abstract
目的:研究大孔吸附树脂分离纯化桃花多酚的最佳工艺条件。方法:比较了6种大孔吸附树脂对桃花多酚的静态吸附与解吸性能,筛选出最佳树脂并对其进行动态吸附、解吸实验,确定最佳纯化桃花多酚工艺条件。结果:D-101树脂具有较好的吸附解吸效果。最佳工艺为:上样浓度约为0.744mg/mL,上样流速1BV/h,上样体积4.5BV,先用去离子水洗至洗脱液无色,再用80%乙醇以1BV/h的流速进行洗脱,洗脱液用量约3BV。该条件下桃花多酚的质量分数可从6.17%提高到29.30%±3.04%,桃花多酚的总收率达79.01%±3.39%。结论:该方法简单可行,效果较好,可满足工业生产要求。
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Key words
ployphenols,separation,purification,macroporous resin,peach blossom
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