Antiseptic composition used for cosmetics and preparation method for antiseptic composition
A technology for cosmetics and compositions, applied in the field of cosmetic antiseptic compositions and their preparation, can solve the problems of high skin irritation, consumer concerns about safety, narrow pH tolerance, etc., and achieves low skin sensitization and improved Beauty effect, effect of wide pH tolerance
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Embodiment 1
[0036] Embodiment 1, preparation of pistachio seed extract
[0037] S1. Take the pistachio fruit, dry it, crush it, add 80% ethanol solution of 8 times the amount of the raw material, extract at 81°C for 95 minutes, filter, keep the filter residue, concentrate to remove the solvent, and obtain the ethanol extract;
[0038] S2. Take the filter residue, add 5 times the amount of ethyl acetate to extract the filter residue twice, each time for 80 min, combine, remove the solvent, and obtain the ethyl acetate extract;
[0039] S3, the ethanol extract described in step S1 and the ethyl acetate extract obtained in step S2 are mixed in a weight ratio of 3:2, concentrated into a suspension, the suspension is purified by polyamide resin, and activated carbon is used after purification Decolorize and concentrate to obtain the extract, namely the pistachio seed extract.
Embodiment 2
[0040] Embodiment 2, preparation of pistachio extract
[0041] S1. Take the pistachio fruit, dry it, crush it, add 90% ethanol solution in an amount 8 times the amount of raw materials, extract at 81°C for 95 minutes, filter, keep the filter residue, concentrate to remove the solvent, and obtain an ethanol extract;
[0042]S2. Take the filter residue, add 5 times the amount of ethyl acetate to extract the filter residue for 3 times, each time for 75min, combine, remove the solvent, and obtain the ethyl acetate extract;
[0043] S3, the ethanol extract described in step S1 and the ethyl acetate extract obtained in step S2 are mixed in a weight ratio of 3:1, concentrated into a suspension, the suspension is purified by polyamide resin, and activated carbon is used after purification Decolorize and concentrate to obtain the extract, namely the pistachio seed extract.
Embodiment 3
[0044] Embodiment 3, preparation of pistachio extract
[0045] S1. Take the pistachio fruit, dry it, crush it, add 85% ethanol solution in an amount 8 times the amount of raw materials, extract at 81°C for 100 minutes, filter, keep the filter residue, concentrate to remove the solvent, and obtain an ethanol extract;
[0046] S2. Take the filter residue, add 5 times the amount of ethyl acetate to extract the filter residue twice, each time for 80 min, combine, remove the solvent, and obtain the ethyl acetate extract;
[0047] S3, the ethanol extract described in step S1 and the ethyl acetate extract obtained in step S2 are mixed in a weight ratio of 3:1.5, concentrated into a suspension, the suspension is purified by polyamide resin, and activated carbon is used after purification Decolorize and concentrate to obtain the extract, namely the pistachio seed extract.
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