Process for preparing Danshensu
A technology of danshensu and salvia miltiorrhiza, applied in the separation/purification of carboxylic acid compounds, organic chemistry, etc., can solve the problems of conflicting purity, yield and processing capacity, low processing capacity, high cost, etc., and achieve low cost and high recovery rate High, guaranteed separation performance
Inactive Publication Date: 2005-09-21
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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The invention relates to a method for preparing danshensu which comprises: getting extract liquid from the water or alcohol with danshensu and danshensu precursors using danshen as the materials, inverting the danshensu precursors of the said extract liquid into danshensu using diluted alkali, super filtering the macromolecular substance of the said extract liquid after conversion using a hyperfiltration membrane, extracting the danshensu from the said extract liquid after hyperfiltration, and separating the said extraction using the normal phase chromatography to get the danshensu.
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