Euonymus alatus extract, blood-sugar-reducing activity thereof and application of euonymus alatus extract to preparation of products for reducing blood sugar
A technology of extract and ghost arrow feather, applied in the application field of preparation of hypoglycemic products, can solve problems such as gastrointestinal reactions, get rid of causes and prevent complications
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Embodiment 1
[0067] Embodiment 1: Capsules
[0068] Get 1 kg of ghost arrow feather, 50% ethanol 16L reflux extraction 3 times, extract 1.5 hours each time, recover the solvent under reduced pressure to dryness, add water to dilute, make the solution concentration be 0.05g / mL (calculated by the amount of crude drug), at 4000 Centrifuge for 15min at a rotating speed of rpm, take the supernatant and pass it through 3LAB~8 macroporous adsorption resins, the adsorption flow rate is 3BV / h, the diameter-height ratio of the resin column is 1:9, and the sample loading is 0.25g / mL (based on the amount of raw medicinal materials). ), washed with water for 3 times the volume of the resin, the impurity removal flow rate was 3BV / h, 70% ethanol was eluted for 5 times the resin volume, and the elution flow rate was 3BV / h, the 70% ethanol eluate was collected, the solvent was recovered, and dried under reduced pressure. That is to obtain the ghost arrow feather extract of the present invention, add conven...
Embodiment 2
[0074] Embodiment 2: tablet
[0075] Get 1 kg of ghost arrow feather, 70% ethanol 16L reflux extraction 2 times, extract 2 hours each time, recover the solvent under reduced pressure to dryness, add water to dilute, make the solution concentration be 0.1g / mL (in terms of raw medicinal material), at 3000 Centrifuge for 20min at a speed of rpm, take the supernatant and pass it through 3L SP825 macroporous adsorption resin, the adsorption flow rate is 6BV / h, the diameter-to-height ratio of the resin column is 1:12, and the sample loading is 0.5g / mL (based on the amount of crude drug) ), washed with water for 5 times of resin volume, the impurity removal flow rate is 6BV / h, 50% ethanol elutes 6 times of resin volume, and the elution flow rate is 6BV / h, collects 50% ethanol eluate, reclaims solvent, and drys under reduced pressure, namely Obtain the ghost arrow feather extract of the present invention, add conventional adjuvant, make tablet according to conventional process.
[00...
Embodiment 3
[0081] Embodiment 3: pill
[0082] Take 1 kg of ghost arrow feather, decoct 3 times with 12L of water, extract for 1 hour each time, recover the solvent under reduced pressure to dryness, add water to dilute to make the solution concentration 0.15g / mL (based on the amount of crude drug), and extract at 2500 rpm Centrifuge at a speed of 10 minutes for 30 minutes, take the supernatant and prepare it by liquid-liquid countercurrent extraction method, extract with petroleum ether to remove fat-soluble impurities, then extract with ethyl acetate and n-butanol, and recover the solvent to dryness to obtain the ghost arrow feather extraction of the present invention Add conventional excipients, and make pills according to the conventional process.
[0083] Determination method of total flavonoid content:
[0084] Preparation of reference substance solution: Weigh an appropriate amount of catechin reference substance, accurately weigh it, put it in a 10ml volumetric flask, add methano...
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