Hair dye taking pomegranate peel extract as raw material and preparation method of hair dye
A technology of pomegranate peel extract and hair dye, which is applied to skin care preparations, hair care, pharmaceutical formulations and other directions, can solve problems such as acute hair dye allergy and the like, and achieve the effects of good black hair effect, natural color and convenient use.
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Embodiment 1
[0036] 1. Preparation method of pomegranate peel extract
[0037] Take fresh pomegranate peel, dry it, pulverize it to 10-30 mesh; weigh it, add 6 times the amount of 80% ethanol (s / v), water bath temperature of 90 degrees, reflux for 3 hours, and filter; add 5 times the amount of 80% to the filter residue Reflux extraction with ethanol for 2.5 hours, filter, and combine the filtrates; concentrate under reduced pressure to the form of an extract, add twice the weight of the raw material to the extract to dissolve, cool, and centrifuge to obtain insoluble matter A and centrifuge B; macropore adsorption on the centrifuge Resin column, the ratio of column bed volume to raw material is 1 / 1 (v / s); wash with twice the column bed volume to remove impurities, eluate with 3 times the column bed volume of 80% ethanol, mix the centrifugal insoluble A with the washing After deliquoring, mixing and dissolving, it is concentrated to the form of extract, and vacuum-dried to obtain pomegranat...
Embodiment 2
[0051] 1. Preparation method of pomegranate peel extract
[0052] Take fresh pomegranate peel, dry, pulverize to 10-30 mesh, and weigh; add 7 times the amount of 95% ethanol (s / v), water bath temperature of 90 degrees, reflux for 3 hours, and filter; add 5 times the amount of 95% to the filter residue The ethanol was refluxed for 2.5 hours, filtered, and the filtrates were combined. Concentrate under reduced pressure to an extract, add twice the weight of the raw material to the extract to dissolve, cool, and centrifuge to obtain insoluble A and centrifuge B; a macroporous adsorption resin column on the centrifuge, the ratio of the column bed volume to the raw material is 1 / 1 (v / s); remove impurities by washing with twice the volume of the column bed, and elute with 90% ethanol with 3 times the volume of the column bed; mix and dissolve the centrifuged insoluble A and the eluent, and then concentrate to extract. Vacuum drying to obtain pomegranate peel extract.
[0053] The...
Embodiment 3
[0066] 1. Preparation method of pomegranate peel extract
[0067] Take fresh pomegranate peel, dry, pulverize to 10-30 mesh, and weigh; add 6 times the amount of 50% ethanol (s / v), the water bath temperature is 90 degrees, extract under reflux for 3 hours, and filter; add 5 times the amount of 50% to the filter residue Reflux extraction with ethanol for 2.5 hours, filter, and combine the filtrates; concentrate under reduced pressure to an extract, add twice the weight of the raw material to the extract to dissolve, cool, and centrifuge to obtain insoluble A and centrifuge B; macropore adsorption on the centrifuge Resin column, the ratio of column bed volume to raw material is 1 / 1 (v / s); wash with twice the column bed volume to remove impurities, and elute with 3 times the column bed volume of 50% ethanol; After deliquoring, mixing and dissolving, it is concentrated to extract, and vacuum-dried to obtain pomegranate peel extract.
[0068] The formula of hair dye
[0069]
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