Preparation method of propolis extract of skin care product

Abstract

The invention belongs to the technical field of skin care product preparation, and particularly relates to a preparation method of a propolis extract of a skin care product. The method comprises the following steps: 1, crushing and screening: removing impurities from a propolis raw material, and freezing, crushing, and screening the raw material to obtain propolis powder; 2, primary extraction: adding a mixed solution of n-hexane, ethyl acetate and ethanol into the propolis powder, carrying out ultrasonic treatment, carrying out filtering to obtain primary filter residues and primary filtrate,and carrying out pressure-reduced concentration on the primary filtrate under reduced pressure to obtain a primary extract; 3, secondary extraction: adding an ethanol aqueous solution into the primary filter residues, carrying out filtering after ultrasonic treatment to obtain secondary filter residues and a secondary filtrate, and carrying out reduced-pressure concentration on the secondary filtrate to obtain a secondary extract; and step 4, drying and sealing: mixing and drying the primary extract and the secondary extract to obtain propolis extract powder, bagging the propolis extract powder and carrying out sealing. The step 1 is completed by adopting a preparation device of the propolis extract of the skin care product in a matching manner. The propolis powder is prevented from adhering to the surface of an annular grinding block, and meanwhile screen holes are prevented from being blocked.

Description

technical field [0001] The invention belongs to the technical field of preparation of skin care products, and in particular relates to a preparation method of propolis extract of skin care products. Background technique [0002] Propolis is a tan, sometimes yellow, gray or turquoise viscous solid with a special aromatic odor; not easily soluble in water but soluble in ethanol, acetone, benzene and sodium hydroxide solution. Propolis has extremely complex and rare components, among which flavonoids have a good effect on the regeneration of skin cells and the restoration of normal skin function. The alkenes and terpenoids in propolis are actually saponins of the active ingredients of ginseng, which have various biological activities. Propolis contains a variety of amino acids, fatty acids, enzymes, vitamins, etc., all of which are excellent substances for the skin to obtain natural abilities. At present, propolis has been widely used in the preparation of skin care products,...

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Problems solved by technology

[0004] The invention provides a preparation method of propolis extract for skin care products, and the purpose is to solve the following problems existing in the preparation process of propolis extract at present: (1) when the propolis after removing impurities is ground and pulverized, the surface of the grinding sheet A large amount of heat will be generated, and the temperature of the propolis powder will rise after absorbing the heat, and the viscosity will increase, which will easily adhere to the surface of the milling sheet, which will adversely affect the milling effect; (2) when the propolis powder is screened after milling, the propolis powder It is easy to block the sieve holes on the sieve plate, which will adversely affect the screening effect

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