食品工业科技2012，Vol.33Issue(22)：296-298,302,4.
药用黄腐酸的纯化工艺研究
Study on the purification technology of medicinal fulvic acid
摘要
Abstract
Purification technology of medicinal fulvic acid(FA) was established by 001×7 cation exchange resin.According to the investigation of technological parameters,the optimized technical conditions were obtained as fallows:the ratio of resin usage amount to FA usage amount was 25∶1(volume-weight ratio,mL/g).The ion exchange time lasted for 140min.Then freeze drying.The ash content of the refined FA prepared through this technology was all less than 1%,in which the content of As was 0.31mg/kg,Cd below 0.1mg/kg,Pb and Cr below 0.5mg/kg,and Hg below 0.05mg/kg.The purity and contents of harmful elements of the refined FA both reached to medicinal and edible levels.Meanwhile,the activity of refined FA was relatively enhanced by purification.The new technology,which was simple,effective and lower cost,not only provided technical support for the preparation of refined FA,but also provided security for the application of FA in the fields of medicine and functional food.关键词
黄腐酸/离子交换/纯化/工艺条件Key words
fulvic acid/ion exchange/purification/technical conditions分类
轻工纺织引用本文复制引用
张惠芬,秦谊,何静,刘建珍,李敏,李宝才..药用黄腐酸的纯化工艺研究[J].食品工业科技,2012,33(22):296-298,302,4.基金项目
国家自然科学基金项目 （）
