Study on the Extraction and Purification Technology of Vitamin C from Rosae Roxburghii Fructus in Guizhou
The crude extract of rosae roxburghii fructus was obtained by extracting the juice of rosae roxburghii fructus with a solution of 95%ethanol.Then,the crude extract was separated and purified with HPD100 macroporous resin.The concentrating method and drying method of Vitamin C(VC)extract from rosae roxburghii fructus were screened according to the loss rate of VC.It was found that the vacuum drying method and decompression concentration method were more suitable for the preparation of VC extract from rosae roxburghii fructus.The preparation method of VC extract from rosae roxburghii fructus was established in this paper,its simple and effective,which can lay a foundation for the cultivation of high-quality products of"Guizhou rosae roxburghii fructus"and help the development of Guizhou rosae roxburghii fructus industry.
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