Preparation method of anthocyanin monomer cornflower-3-glucoside
A technology of glucoside and anthocyanin, which is applied in the preparation of sugar derivatives, chemical instruments and methods, sugar derivatives, etc., can solve the problems of high requirements for mobile phase solvents, difficult recycling and reuse of solvents, and unfavorable anthocyanin preparation, etc. The effect of improving the recycling rate, broadening the variety and dosage, and low cost
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[0021] Embodiment 1: A preparation method of anthocyanin monomer cyanidin-3-glucoside, comprising the following steps:
[0022] A. Raw material pretreatment: beating the selected and cleaned blackberries to obtain blackberry pulp;
[0023] If it is not in season, the raw material can be frozen blackberries, which need to be thawed first and then selected and cleaned. Blackberry frozen fruit can be purchased from Beijing Academy of Forestry Sciences. The beating equipment in this embodiment adopts a screw juice extractor commonly used in the art.
[0024] B. Rough extraction: prepare 1% hydrochloric acid ethanol (v / v) solution, add the prepared hydrochloric acid ethanol solution to blackberry pulp according to the ratio of material to liquid 1:10, extract at room temperature (24 hours), filter Three times, after three times of leaching and filtering, the blackberry pulp is basically colorless, then the filtrate is combined and the filtrate is evaporated in a vacuum at 40-50°C...
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