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发明名称
一种二氢槲皮素的制备方法
摘要
本发明涉及一种二氢槲皮素的制备方法,方法是以黄杞叶为原料,粉碎加酸性水润湿,再加柚苷酶保温酶解,乙醇回流提取,浓缩液加入聚酰胺树脂吸附,乙醇水梯度洗脱,洗脱液浓缩结晶,再用水、70%乙醇重结晶,低温真空干燥得二氢槲皮素。本工艺所涉及试剂均无毒害,工艺流程简单。采用本工艺生产二氢槲皮素,所得产品可以直接用做保健品和药品的原料。
申请公布号
CN101967505A
申请公布日期
2011.02.09
申请号
CN201010210747.1
申请日期
2010.06.28
申请人
南京泽朗农业发展有限公司
发明人
苏刘花
分类号
C12P17/06(2006.01)I
主分类号
C12P17/06(2006.01)I
代理机构
代理人
主权项
一种二氢槲皮素的制备方法,其特征在于包含以下步骤:1)粉碎酶解:将黄杞叶粉碎20‑80目,加入10‑20%ph4‑6的酸性水溶液,拌匀再加柚苷酶,35‑55℃保温酶解;2)提取:将上述酶解原料加入6‑15BV50‑90%乙醇回流提取1‑5小时,提取1‑3次,合并得提取液;3)聚酰胺树脂纯化:上述提取液加压回收乙醇,加入聚酰胺柱吸附,水‑乙醇梯度洗脱,收集二氢槲皮素流分,减压回收乙醇放置结晶,;4)重结晶:滤出结晶物,依次用去离子水、70%乙醇回流结晶,滤出低温真空干燥即得二氢槲皮素。
地址
211225 江苏省南京市溧水县白马镇工业集中区
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