Rue family citrus plant pericarp extract, preparation method and use thereof
A peel extract and Citrus technology, applied in the field of Rutaceae Citrus plant peel extract, can solve the problem of unreported UVA zone effect, etc., and achieve industrialized large-scale production, low cost, and inhibit skin damage Effect
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Embodiment 1
[0026] The preparation of embodiment 1 extract of the present invention
[0027] 200g citrus peel coarse powder, extract three times with 60% ethanol, combine the extracts, filter, concentrate the extracts until the alcohol content reaches 30%, concentrate the filtrate until it has no alcohol smell, apply macroporous adsorption resin, wash with water until the color becomes lighter, When clear, elute with 2000ml70% ethanol, after the eluate is concentrated and dried, add No. 6 solvent oil for degreasing, and the content of 4g is 30.5% (as determined by HPLC), which is the sum of nobiletin and tangeretin.
Embodiment 2
[0028] The preparation of embodiment 2 extracts of the present invention
[0029] 200g citrus peel coarse powder, extract with 80% ethanol, reflux extraction twice, combine the extracts, filter, concentrate the extracts until the alcohol content reaches 40%, concentrate the filtrate until there is no alcohol smell, put on a macroporous adsorption resin, wash with water until When the color becomes lighter and clear, elute with 2000ml of 70% ethanol, and after the eluate is concentrated and dried, add petroleum ether to degrease, and the content of 3g is 50.6% (as determined by HPLC), and the content values are nobiletin and orange peelin of and.
Embodiment 3
[0030] The preparation of embodiment 3 extracts of the present invention
[0031] 200g citrus peel coarse powder, reflux extraction with 70% ethanol three times, combine the extracts, filter, concentrate the extracts until the alcohol content reaches 60%, concentrate the filtrate until it has no alcohol smell, apply macroporous adsorption resin, wash with water until the color becomes lighter , when clear, first elute with 500ml 50% ethanol, then elute with 90% ethanol, after the 90% eluate is concentrated and dried, add sherwood oil to degrease, and the content of 1.3g is 79.8% (measured by HPLC). The content value is the sum of nobiletin and tangeretin.
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