TH15960C3 - Preparation process of repair grass extract for use as an antioxidant and tyrosinase inhibitor in cosmetics. - Google Patents

Claims (5)

Disclaimer (all) which will not appear on the advertisement page: Revised 29/10/18 (No disclaimer) ++++++++++++++++ --- --- 17/01/2561 ------ (OCR) Page 1 of 1 Page Disclaimer 1. Preparation of Repair Grass Extract for use as antioxidant and tyrosinase inhibition. In cosmetics It consists of the following steps: - Wash the repair grass thoroughly with water - bake at 50-60 degrees Celsius until the weight remains constant - Ground thoroughly and sift through a sieve to a particle size of 250 micrometers or smaller. Mixed with a solvent, selectable from deionized water. Or 95% ethanol in the ratio of grass powder repair to solvent equal to 1: 10 - and then to extract the active ingredients in cosmetics. Where the extraction method can be selected from the extraction With a frequency of 60 Hz, shaking at 150 rpm or magnetic stirrer at 150 rpm, extraction time takes 1 to 24 hours - filtered to separate the extracts. And then taken to evaporate the solvent as well The resulting extract will look Brown viscous. 2. Preparation of grass extract for use as an antioxidant and to inhibit tyrosinase. In cosmetics According to claim 1, where the part of the repair grass that can be used can be selected from the leaves, stalks or roots. ------------ 1. Preparation process of grass extract for use as an antioxidant and to inhibit tyrosinase. In cosmetics It consists of the following steps: - Wash the repair grass thoroughly with water - bake at 50-60 degrees Celsius until the weight remains constant - Ground thoroughly and sift through a sieve to a particle size of 250 micrometers or smaller. Mixed with solvent In the ratio of grass repair powder to solvent equal to 1: 10 - then extracted cosmetic active ingredients. It takes 1 to 24 hours for extraction - filtered to separate extracts. And then to evaporate the solute out as well The resulting extract will look Brown viscous 2. Preparation process of grass extract for use as an antioxidant and to inhibit tyrosinase. In cosmetics According to claim 1, the part of the repair grass that can be used is selected from the leaf, stem or root. 3. Preparation process of grass extract for use as an antioxidant and to inhibit tyrosinase. In cosmetics According to claim 1, where the solvent can be chosen from 95 percent deionized water or ethanol. 4. Preparation process of grass extract repair for use as antioxidant and tyrosinase. In cosmetics According to claim 1, the extraction method can be selected from an ultrasonic extraction frequency of 60 Hz, shaking at 150 rpm, or magnetic stirrer massage at 150 rpm. 5. Use of grass extract prepared from one of the claims 1-4 process is a cosmetic ingredient.