Date of publication: April 2004/65438+April date of publication:
PublicationNo.: 1488330 AnnouncementNo.: 1209095
Date of authorization: July 6, 2005. Announcement date of authorization: July 6, 2005.
Patent category: country of invention, province and city code: 84[ China | Nanjing]
Organization code: 322 18 [cross-reference table] Manager: Xu.
Name of the invention: cosmetic composite additive containing dandelion and bletilla striata extracts, its preparation method and application in cosmetics.
International classification number: a 61k 7/48; a 6 1K 35/78； a 6 1P 17/00； a 6 1P 17/ 10； A6 1P 17/ 16
CategoryNo.: 14B23A
Inventor: Zhang Weiming; Zhao; Gu; Shi Jinsong
Applicant: Nanjing Institute of Comprehensive Utilization of Wild Plants, All-China Federation of Supply and Marketing Cooperatives.
Applicant's address: No.4 Jiangwangmiao Street, Nanjing, Jiangsu Province.
Postal code: 2 10042
abstract:
The invention discloses a cosmetic composite additive containing dandelion and bletilla striata extracts, a preparation process and an application thereof in cosmetics. The preparation method comprise removing impurity from herba Taraxaci, cleaning, chopping, extracting with ultrasonic wat, filtering, flocculating, centrifuging, ultrafiltering, adsorbing with macroporous resin, washing with alcohol, and concentrating to obtain standard extract of herba Taraxaci; Cleaning bulblets of Bletilla striata, adding ethanol, pulverizing, pulping, filtering, grinding with colloid mill, standing for centrifugal separation, adding edible alcohol into supernatant, stirring, standing at room temperature, filtering, washing with anhydrous ethanol or acetone, dissolving and diluting with water, and adjusting pH value to obtain standard extract of Bletilla striata; Mixing dandelion extract and bletilla striata extract in proportion, and homogenizing. The composite additive has good emulsifying performance, uniform dispersion, stable bioactive substances, standardized production and application, and remarkable functions, and can be used to develop cosmetics with sterilization, anti-inflammatory, freckle-removing, whitening and anti-aging effects. ?
Main propositions:
A cosmetic composite additive containing dandelion and bletilla striata extracts is characterized by comprising the following components in percentage by weight: dandelion standard extract: 6%- 12% bletilla striata standard extract: 88%-94%, wherein the standard parameter of the composite additive is dandelion total flavone content:1.08%-2.64. The standard parameters of dandelion standard extract in compound additives are: the weight percentage of dandelion total flavonoids in dandelion standard extract is18%-22%; The standard parameter of Bletilla striata standard extract in the composite additive is that the content of Bletilla striata gum mannan in the standard extract is 8%- 12% by weight.