Manyprickle Acathopanax Root extrat, and preparation method and application thereof
An acanthopanax senticosus extract and extract technology are applied in the directions of drug combination, plant raw materials, medical preparations containing active ingredients, etc., which can solve the problems of low polysaccharide content and many impurities, and achieve simple process, less environmental pollution, The effect of easy quality control
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Embodiment 1
[0031] Extraction of flavonoids and polysaccharides from different parts of Acanthopanax senticosus: Weigh respectively 100 g of Acanthopanax senticosus leaves, roots / bark, and stem / bark treated according to the method in Example 2, and extract respectively according to the method in Example 3. The specific results are shown in the table below .
[0032] Sample site
[0033] stem bark
Embodiment 2
[0035] Acanthopanax stem bark pre-treatment: weigh the bark of Acanthopanax senticosus, crush it, pass through a 5-10 mesh sieve, put it in an ultrasonic cleaner or an extractor, and extract it with petroleum ether (30-60°C) to It is colorless, the petroleum ether is poured off, the medicinal material is taken out and dried, and the treated Acanthopanax senticosus sample is obtained. Dried at 60° C. for 3 hours to obtain the treated Acanthopanax (namely Acanthopanax coarse acnes) for future use.
Embodiment 3
[0037] Extraction and preparation of the active ingredient total polysaccharides of Acanthopanax senticosus: Get 200 g of the coarse Acanthopanax five-five-skin medicinal material (5-10 mesh) prepared in Example 2, and 4% (accounting for total material dry weight) auxiliary agent (Na 2 CO 3 / Na 2 B 4 o 7 , 1:1, W / W) mixed into the extraction tank, added 50 times 10000mL of 15wt% ethanol aqueous solution, stirred at 50-60°C for 1.5h, and filtered with suction to obtain the extract, and the dregs were extracted twice, combined The extract is adjusted to a pH of 4.0 with dilute hydrochloric acid, left to stand, centrifuged and precipitated to obtain flavonoids, one of the active ingredients of Acanthopanax. Concentrate the supernatant obtained by centrifugation to 1.0g crude drug / mL, add 3 times the amount of 95wt% ethanol to precipitate, let it stand overnight at 4°C, and centrifuge at high speed and low temperature (8000 rpm, 30min, 4°C) to obtain a precipitate , after vacu...
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