Preparation method of hongjintian effective component extract
An active ingredient, the technology of Rhodiola rosea, applied in the field of phytochemistry, can solve the problems of limited resources, low content, and few types of Rhodiola rosea medicinal materials, and achieve the effect of simple process, less organic solvent residue, and increased content of active ingredients
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Embodiment 1
[0026] Get the former medicinal material 200g of Rhodiola rosea, grind, extract three times with 65% ethanol solution, the amount of adding ethanol is respectively 1200ml, 1000ml, 800ml at every turn, obtains the extract, concentrates and weighs 19.4g of the extractum, then Extract three times with ethyl acetate (1:1) and n-butanol (1:1) respectively, take the n-butanol extract, concentrate and weigh 5.3g, add 3 times of water to dissolve, decolorize with activated carbon and weigh 3.8g , on the D-101 macroporous resin exchange column, first eluted with water, and then used 10%, 30%, 50%, 70%, 90% ethanol for gradient elution, and collected 50-70% of the eluted Parts, 1.2g of the effective part extract of Rhodiola rosea was obtained, including about 1.03g of salidroside and 0.011g of roseavid.
Embodiment 2
[0028] Get 1kg of the former medical material of Rhodiola rosea, grind it, dissolve and extract it three times with 75% ethanol, obtain the extract, concentrate the back extractum and weigh 118g, then use ethyl acetate (1: 1) and n-butanol (1: 1) Extract three times respectively, take n-butanol extract, concentrate to obtain 26.7g, after dissolving in 4 times the amount of water, decolorize with activated carbon to obtain 14.5g, put on AB-8 type macroporous resin exchange column, first elute with water, then Use 30%, 50%, 70%, 90% ethanol gradient elution, collect 50-70% of the eluted parts, and obtain 4.9g of the effective part extract of Rhodiola rosea, of which 2.79g of salidroside, locet Dimension is 1.74g.
Embodiment 3
[0030] Get 2kg of the raw material of Rhodiola rosea, grind it, dissolve and extract it three times with 85% ethanol, obtain the extract, concentrate the back extractum and weigh 237g, then use ethyl acetate (1: 1) and n-butanol (1: 1) Extracted three times respectively, took the n-butanol extract, concentrated to obtain 58.7g, dissolved in 5 times of water, decolorized with activated carbon to obtain 30.2g, put on the D-101 type macroporous resin exchange column, first eluted with water, and then used 30 %, 50%, 70%, and 90% ethanol for gradient elution, and collected 50-70% of the eluted parts to obtain 11.4g of the effective part extract of Rhodiola rosea, including 2.39g of salidroside and roseavid It is 8.21g.
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