A kind of plant extract and its application in cosmetics

A plant extract, mixed extraction technology, applied in cosmetics, cosmetic preparations, cosmetic preparations, etc., can solve the problems of insufficient drug effect continuity, metabolic stability, toxicity, etc., and achieve excellent synergistic effect.

Active Publication Date: 2021-05-21
北京市芳华世纪商贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the toxicity of most chemically synthesized elastase inhibitors, and the lack of chemical stability, in vivo activity, drug effect continuity and metabolic stability, etc., the search for naturally occurring elastase inhibitors has become the focus of current research. hotspot

Method used

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  • A kind of plant extract and its application in cosmetics
  • A kind of plant extract and its application in cosmetics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A plant extract for improving skin elasticity, mixed with Ophiopogon japonicus and licorice at a mass ratio of 1:1, extracted by the following method:

[0020] (1) Weigh Ophiopogon japonicus and licorice according to the mass ratio, crush and mix evenly, soak and extract with solvent; the weight ratio of plant material to solvent is 1:20, and the solvent is ethanol, 1,3-butanediol, distilled water Mixed according to the weight ratio of 3:1:5; the extraction temperature is 60°C, the extraction time is 120min, and the filtrate is obtained by filtration;

[0021] (2) Add chitosan flocculant to the filtrate, the amount of chitosan is 0.1% of the weight of the filtrate, let it stand for 3 hours, centrifuge, remove the precipitate, and obtain the extract clear liquid;

[0022] (3) Vacuum concentration, the concentration ratio is 8:1 (v / v), D101 macroporous resin is added to the concentrated solution, washed with distilled water until colorless, eluted with 70% ethanol, and th...

Embodiment 2

[0024] A plant extract for improving skin elasticity, mixed with Ophiopogon japonicus and licorice at a mass ratio of 1:5, extracted by the following method:

[0025] (1) Weigh Ophiopogon japonicus and licorice according to the mass ratio, crush and mix evenly, soak and extract with solvent; the weight ratio of plant material to solvent is 1:8, and the solvent is ethanol, 1,3-butanediol, distilled water Mixed according to the weight ratio of 3:1:5; the extraction temperature is 80°C, the extraction time is 60min, and the filtrate is obtained by filtration;

[0026] (2) Add chitosan flocculant to the filtrate, the amount of chitosan is 0.1% of the weight of the filtrate, let it stand for 8 hours, centrifuge, remove the precipitate, and obtain the extract supernatant;

[0027] (3) Vacuum concentration, the concentration ratio is 3:1 (v / v), D101 type macroporous resin is applied to the concentrated solution, washed with distilled water until colorless, eluted with 95% ethanol, an...

Embodiment 3

[0029] A plant extract for improving skin elasticity, mixed with Ophiopogon japonicus and licorice at a mass ratio of 1:3, extracted by the following method:

[0030] (1) Weigh Ophiopogon japonicus and licorice according to the mass ratio, crush and mix evenly, soak and extract with solvent; the weight ratio of plant material to solvent is 1:12, and the solvent is ethanol, 1,3-butanediol, distilled water Mixed according to the weight ratio of 3:1:5; the extraction temperature is 70°C, the extraction time is 90min, and the filtrate is obtained by filtration;

[0031] (2) Add chitosan flocculant to the filtrate, the amount of chitosan is 0.1% of the weight of the filtrate, let it stand for 6 hours, centrifuge, remove the precipitate, and obtain the extract clear liquid;

[0032] (3) Vacuum concentration, the concentration ratio is 5:1 (v / v), D101 type macroporous resin is added to the concentrated solution, washed with distilled water until colorless, eluted with 85% ethanol, an...

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Abstract

The invention discloses a plant extract for improving skin elasticity. The plant extract is a mixed extract of Ophiopogon japonicus and licorice. Compared with the prior art, the beneficial effect of the present invention is that: the present invention finds through experiments and researches that Ophiopogon japonicus and Radix Glycyrrhizae are mixed according to the mass ratio of 1:1~1:5 and then extracted, and the extraction solvent used is ethanol, 1,3 ‑Butanediol and distilled water are mixed at a weight ratio of 3:1:5, and the obtained plant extract has an excellent synergistic effect on inhibiting elastase activity, especially when Radix Ophiopogon japonicus and licorice are mixed at a mass ratio of 1:3 The blended extracts had an unexpected optimal effect. Therefore, the plant extract of the present invention can be applied in the preparation of skin care products for improving skin elasticity.

Description

technical field [0001] The invention relates to the field of daily cosmetics, in particular to a plant extract for improving skin elasticity and its application in preparing skin care products. Background technique [0002] The skin is the largest organ of the human body, with a total weight of 5% to 15% of the body weight, a total area of ​​1.5 to 2 square meters, and a thickness of 0.5 to 4 mm, which varies from person to person or from part to part. The skin covers the whole body, and it protects various tissues and organs in the body from physical, mechanical, chemical and pathogenic microorganisms. The skin has two barrier functions: on the one hand, it prevents the loss of water, electrolytes and other substances in the body, and on the other hand, it prevents the invasion of harmful substances from the outside. Maintaining the stability of the internal environment of the human body plays an important protective function physiologically, and the skin also participates...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/9794A61K8/9789A61Q19/00
CPCA61K2800/592A61K2800/782A61Q19/00A61K8/9789A61K8/9794
Inventor 范承功
Owner 北京市芳华世纪商贸有限公司
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