Moringa oleifera extract for promoting intestinal growth and preparation method and application thereof
A kind of Moringa oleifera extract, technology of use, applied in the field of medicine
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Embodiment 1
[0027] A method for preparing a Moringa oleifera extract, comprising the steps of: soaking Moringa oleifera oleifera with 75% ethanol by mass percentage for 2 hours, then heating and refluxing with 75% ethanol by mass percentage for extraction twice, each extraction The time is 3 hours, the ethanol soaking solution and the ethanol extract are combined, then the extract is extracted with ethyl acetate, and the layers are separated to obtain the ethyl acetate extract; the ethyl acetate extract is concentrated, and then loaded on Silica gel chromatography column, first elute with petroleum ether-acetone system of 50:1 (volume ratio), then elute with methanol, collect the methanol eluate; after the methanol eluate is concentrated, load the sample on D101 macroporous adsorption resin, eluted with 95% ethanol by mass percentage, collected ethanol eluate, concentrated and dried to obtain Moringa oleifera extract.
Embodiment 2
[0029] A method for preparing a Moringa oleifera extract, comprising the steps of: soaking Moringa oleifera oleifera with 95% ethanol by mass percentage for 5 hours, and then heating and refluxing with 795% ethanol for 5 times of extraction, each extraction The time is 1 to 5 hours, the ethanol soaking solution and the ethanol extract are combined, and then the extract is extracted with ethyl acetate, and the layers are separated to obtain the ethyl acetate extract; the ethyl acetate extract is concentrated, and then the The sample is placed on a silica gel chromatography column, and firstly eluted with a petroleum ether-acetone system of 60:1 (volume ratio), and then eluted with methanol, and the methanol eluate is collected; after the methanol eluate is concentrated, the upper Take the sample in D101 macroporous adsorption resin, elute with 95% ethanol by mass percentage, collect the ethanol eluate, concentrate, and dry to obtain Moringa oleifera extract.
Embodiment 3
[0031] A method for preparing a Moringa oleifera extract, comprising the steps of: soaking Moringa oleifera oleifera with 70% ethanol by mass percentage for 1 hour, and then extracting once by heating and refluxing with 70% ethanol by mass percentage, the extraction time For 1 hour, combine the ethanol soaking solution and the ethanol extracting solution, then extract the extracting solution with ethyl acetate, and separate layers to obtain the ethyl acetate extracting solution; concentrate the ethyl acetate extracting solution, and then apply the sample to the silica gel layer Column analysis, eluting with 40:1 (volume ratio) petroleum ether-acetone system first, then eluting with methanol, collecting methanol eluate; after concentrating the methanol eluate, load the sample on D101 Pore adsorption resin, eluting with 70%% ethanol by mass percentage, collecting ethanol eluate, concentrating and drying to obtain Moringa oleifera extract.
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