Application of potentilla anseriana extractive on preparating anti-ischemic
A technology of extract, fern, applied in the field of pharmaceutical products
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[0020] The preparation method of the fern extract of the present invention is as follows:
[0021] Take the dried root tubers of Ferns, crush them, add 8 times the amount of 90% ethanol, reflux at 80°C for 2 hours, repeat twice, combine the extracts, concentrate under reduced pressure to a specific gravity of about 1.40g / ml, and obtain the alcoholic extract. Disperse the extract with 3 times the amount of water, sequentially extract 3 times with petroleum ether, ethyl acetate and n-butanol equivalent to 1 / 3 volume of the water dispersion system, combine the n-butanol liquid, concentrate under reduced pressure, and freeze-dry to obtain normal butanol site.
[0022] The following is the experimental description of the anti-ischemic effect of the n-butanol part of Juniba:
[0023] experiment one
[0024] Using the primary cardiomyocyte hypoxic injury model to prove the anti-myocardial hypoxia effect of the n-butanol part of Jupina 1. Method:
[0025] (1) Rat primary cardiomyoc...
Embodiment 1
[0094] Embodiment 1, the fern extract is made into tablet:
[0095] Butanol fraction of Bracken 50mg
[0096] Starch 25mg
[0097] 15% starch slurry appropriate amount
[0098] Magnesium Stearate Appropriate amount
[0099] The above formula is made into tablets according to traditional processing methods.
Embodiment 2
[0100] Embodiment 2, the fern extract is made into capsules:
[0101] Butanol fraction of Bracken 50mg
[0102] Starch 70mg
[0103] Prepared according to the traditional pharmaceutical process, put into No. 2 capsules.
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