Abstract:
PURPOSE: A composition containing Prunella vulgaris PSE extract is provided to ensure antioxidative and antibacterial effects. CONSTITUTION: A method for preparing Prunella vulgaris PSE(pressed solvent extract) extract with antioxidative and antibacterial effects comprises: a step of pulverizing Prunella vulgaris; a step of injecting Prunella vulgaris using low carbon number alcohol, acetone, chloroform, methylene chloride, hexane, 1,3-butylene glycol, polyethylene glycol, glycerol, propylene glycol, or mixture solvent thereof; a step of extracting at 10-100°C using a PSE extractor for 30 minutes to 5 hours; and a step of filtering the extract solution at 10-100°C. A cosmetic composition with antioxidative and antibacterial effects contains the Prunella vulgaris PSE extract as an active ingredient. The composition is manufactured in a form of a lotion, skin, nutrition lotion, nutrition cream, essence, pack, cleansing agent, soap, and treatment.
Abstract:
PURPOSE: A method for controlling viscoelasticity of emulsion type cosmetics using extract of Astragalus membranaceus is provided to obtain an antioxidant effect and offer technology which improves viscoelasticity of emulsion. CONSTITUTION: A method for controlling viscoelasticity of emulsion type cosmetics improves viscoelasticity of emulsion and obtains an antioxidant effect at the same time by including extract of Astragalus membranaceus. The emulsion comprises a normal emulsifier. The extract of Astragalus membranaceus is extracted by using 1,3-butylene glycol as an extraction solvent. The extract of Astragalus membranaceus is in a range of 0.01-0.1 weight % based on the whole amount of the emulsion. [Reference numerals] (AA) Comparative example; (BB) Example 2; (CC) Example 1