Resveratrol tetramer compound, its preparation method and application
A technology of resveratrol and compounds, applied in the field of medicine, to achieve the effect of simple process, clear medicinal ingredients, and remarkable effect of lowering uric acid
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[0028] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
[0029]In order to better understand the essence of the present invention, the extraction and separation, pharmacological experiments and results of the resveratrol tetramer compound Vaticaffinol are used to illustrate its application in the preparation of prevention or treatment of hyperuricemia and gout medicine or health food .
[0030] The preparation method of resveratrol tetramer compound comprises the following steps:
[0031] (1) Alcohol extraction to prepare the extract: crush the twigs of Pteropterocarpa, pass through a 40-80 mesh sieve, and then continuously soak the twigs of Pteropterocarpa powder with ethanol with a concentration of 95-50%, and extracting, the number of times of extraction is 3 to 5 times, and the time of each time is 12 to 24 hours; the extracted extract is collected by filtration, evaporated to dryness by a...
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