Preparation method of cinnamon polyphenol extract
The technology of extract and cinnamon is applied in the field of preparation of cinnamon polyphenol extract, which can solve the problems of complex preparation process, unfavorable batch production and the like, and achieve the effects of low preparation cost and simple preparation method.
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Embodiment 1
[0022] a) Warm soaking and extracting the cinnamon medicinal material with an acetone aqueous solution with a volume concentration of 70%, wherein 1 g of the cinnamon medicinal material is extracted with 50 ml of acetone aqueous solution; the warm soaking temperature is controlled at 45° C., and the warm soaking is 0.5 hours, and the warm soaking is extracted once;
[0023] b) distilling off the acetone in the extract under reduced pressure, then adding an appropriate amount of water to dilute the concentrate to obtain a crude extract;
[0024] c) Extracting the crude extract with petroleum ether, the volume of petroleum ether used each time is 1.5 times the volume of the crude extract, extracting 3 times in total, and collecting the extracted aqueous layer;
[0025] d) extract the collected water layer with ethyl acetate, the volume of ethyl acetate used in each extraction is 1.5 times the volume of the extracted water layer, extract 3 times in total, combine the ethyl acetate...
Embodiment 2
[0028] a) Carry out reflux extraction of the cinnamon medicinal material with an acetone aqueous solution with a volume concentration of 50%, wherein 1 g of the cinnamon medicinal material is refluxed with 25 ml of acetone aqueous solution; reflux for 2 hours each time, and a total of reflux extraction 2 times;
[0029] b) distilling off the acetone in the extract under reduced pressure, then adding an appropriate amount of water to dilute the concentrate to obtain a crude extract;
[0030] c) Extracting the crude extract with petroleum ether, the volume of petroleum ether used each time is 1 times the volume of the crude extract, extracting 4 times in total, and collecting the extracted aqueous layer;
[0031] d) extract the collected water layer with ethyl acetate, the volume of ethyl acetate used for each extraction is 1 times of the volume of the extracted water layer, extract 4 times in total, combine the ethyl acetate layers obtained by extraction, and distill under reduc...
Embodiment 3
[0034] a) Carry out reflux extraction of the cinnamon medicinal material with an aqueous acetone solution with a volume concentration of 20%, wherein 1 g of the cinnamon medicinal material is extracted with 5 ml of acetone aqueous solution; reflux for 1 hour each time, and a total of 3 times of reflux extraction;
[0035] b) distilling off the acetone in the extract under reduced pressure, then adding an appropriate amount of water to dilute the concentrate to obtain a crude extract;
[0036] c) Extracting the crude extract with petroleum ether, the volume of petroleum ether used each time is 0.5 times the volume of the crude extract, and extracting 6 times in total, collecting the extracted aqueous layer;
[0037] d) extract the collected water layer with ethyl acetate, the volume of ethyl acetate used in each extraction is 0.5 times of the volume of the extracted water layer, extract 6 times in total, combine the ethyl acetate layers obtained by extraction, and distill under ...
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