Composition containing rhizoma atractylodis macrocephalae polysaccharides and rhizoma atractylodis stearin and preparation method and application of composition
A technology of Atractylodes atractylodes polysaccharide and atractylodes stearin, which is applied in the pharmaceutical composition of Atractylodes atractylodes atractylodes, containing Atractylodes atractylodes polysaccharides, can solve the problem of no synergistic anti-peptic ulcer effect of the composition, and achieve good synergistic effect and good curative effect
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Embodiment 1
[0041] Take 1000 g of dried rhizome of Atractylodes macrocephala Koidz from the Compositae plant, soak in 95% (V / V) ethanol to degrease, centrifuge to remove ethanol, extract twice with 12L water at 90°C, combine the water extracts, concentrate under reduced pressure to the total extract With a volume of 8 L, add 24 L of 95% (V / V) ethanol, let stand overnight at 4°C, and centrifuge to obtain a precipitate;
[0042] Dissolve the obtained precipitate with 3L of pure water, centrifuge to remove insoluble matter, adjust the pH of the supernatant to 2.8 with 2N HCl, let stand at 4°C for about 4 hours, centrifuge to remove the precipitate, adjust the pH to 9 with 2N NaOH, add 90mL of 30% HO 2 0 2 After stirring and decolorizing at 60°C for 1 hour, add 9L of 95% (V / V) ethanol, let stand at 4°C for 12 hours, centrifuge to obtain a precipitate, wash the obtained precipitate twice with 2L of 90% ethanol, and dry under reduced pressure at room temperature to obtain Atractylodes macroceph...
Embodiment 2
[0048] Atractylodes stearin extract prepared by steam distillation
[0049] Put 1kg of dry rhizome granules of Atractylodes atractylodis into the grinding bottle of the volatile oil extractor, continue distilling for 5 hours according to the method in the appendix of Chinese Pharmacopoeia, then stop heating, pour water after cooling, and collect the oil on the surface of the distillate, which is Atractylodes stearin extract .
Embodiment 3
[0051] Preparation of Atractylodes stearin extract by organic solvent extraction
[0052] Put 1 kg of dry rhizome particles of Atractylodes atractylodis into a flask, use n-hexane as solvent, extract under reflux for 8 hours, and distill off the solvent under reduced pressure to obtain Atractylodes stearin extract.
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