Application of polygonum capitatum in regulation of uric acid
A technology of Polygonum vulgare and uric acid, applied in the field of medicine, can solve the problems of never seen hyperuricemia and gout, etc.
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Embodiment 1
[0022] Preparation of Polygonum cephalum methanol extract:
[0023] Grind the whole Polygonum cephalosporin, pass through a No. 4 sieve, weigh a certain amount and put it into a round bottom flask, add 8 times the amount of methanol, heat and reflux for extraction for 1 hour, filter, add 8 times the amount of methanol to extract the filter residue for 1 hour, filter, and combine the two The secondary filtrate was concentrated to an extract, and vacuum-dried to obtain a methanol extract of Polygonum cephalosporin with an extraction rate of 13.98%.
Embodiment 2
[0025] Preparation of Polygonum cephalum 80% ethanol extract:
[0026] Grind the whole Polygonum cephalosporin, pass through a No. 4 sieve, weigh a certain amount and put it into a round bottom flask, add 8 times the amount of 80% ethanol-water mixed solvent, heat and reflux for extraction for 1 hour, filter, add 8 times the amount of 80% of the filter residue Extract with ethanol-water mixed solvent for 1 h, filter, combine the two filtrates, concentrate to extract, and vacuum dry to obtain 80% ethanol extract of Polygonum cephalum, with an extraction rate of 21.53%.
Embodiment 3
[0028] Preparation of water extract of Polygonum cephalum:
[0029] Crush the whole Polygonum cephalosporin, pass it through a No. 4 sieve, weigh a certain amount and put it into a round bottom flask, add 8 times the amount of water to soak for 1 hour, decoct and extract for 2 hours, filter, add 8 times the amount of water to extract the filter residue for 1.5 hours, and filter , and then extracted with 8 times the amount of water for 1 h, combined three times the filtrate was concentrated to the extract, and dried in vacuum to obtain the water extract of Polygonum cephalum, with an extraction rate of 20.08%.
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