Application of curcumin-zinc compound in preparing health-care nursing product
A technology of zinc compound and curcumin, which is applied in cosmetic preparations, skin care preparations, applications, etc., can solve the problems of single drug application and unsatisfactory curative effect, and achieve simple preparation methods, overcome single drug application, Apply promising effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0015] The preparation of embodiment 1 curcumin-zinc compound
[0016] Curcumin, 99.6% pure, was provided by the Laboratory of Traditional Chinese Medicine and Marine Medicine, School of Life Sciences, Sun Yat-sen University. Zinc acetate dihydrate (abbreviation: zinc acetate), analytically pure, provided by Guangzhou Chemical Reagent Wholesale Department.
[0017] 4.8 grams of curcumin were dissolved in 300ml of absolute ethanol, 2.9 grams of zinc acetate were dissolved in 150ml of absolute ethanol, the zinc acetate ethanol solution was added dropwise in the curcumin ethanol solution, stirred while dropping, and heated under reflux for 3 hours, When the precipitation is complete, collect the precipitate by suction filtration, shake and suspend the precipitate with 300ml of 5°C absolute ethanol again, centrifuge at 5000rpm for 5min, collect the precipitate, then shake and suspend with 300ml of absolute ethanol, and centrifuge at 5000rpm for 5min to obtain 4.9 grams of curcumin...
Embodiment 2
[0018] Embodiment 2 The preparation of curcumin solid dispersion, curcumin-zinc compound solid dispersion
[0019] Curcumin, a curcumin-zinc compound with a purity of 99.6%, was provided by the Laboratory of Traditional Chinese Medicine and Marine Medicine, School of Life Sciences, Sun Yat-sen University. Polyvinylpyrrolidone PVP-k30 (referred to as PVP), imported and repackaged, provided by Guangzhou Chemical Reagent Wholesale Department.
[0020] 10.0 grams of curcumin were dissolved in 400ml of dehydrated ethanol solution containing 80.0 grams of PVP, protected by nitrogen gas, homogenized by a high-pressure homogenizer, and spray-dried to obtain 86.7 grams of curcumin-zinc solid dispersion.
[0021] 10.0 grams of curcumin-zinc compounds were dissolved in 400ml of dehydrated ethanol solution containing 80.0 grams of PVP, protected by nitrogen, homogenized by a high-pressure homogenizer, and spray-dried to obtain 86.2 grams of curcumin-zinc solid dispersion.
Embodiment 3
[0022] Example 3 Inhibition to various infectious bacteria
[0023] 1. Experimental samples
[0024] Escherichia coli M421C1 ST, catarrhalis, Shigella, Pseudomonas aeruginosa, Bacillus diphtheriae 38009, Diplococcus pneumoniae 31108, Streptococcus A 32213, Streptococcus B 32204, Staphylococcus aureus 26112, provided by the School of Basic Medicine, Sun Yat-sen University Microbiological laboratory identified and provided. Amoxicillin Capsules, Zhongshan Branch of Zhuhai United Laboratories Co., Ltd., Approval Number: Guoyao Zhunzi H20003263; Gentamicin Sulfate Injection, Tianjin Pharmaceutical Jiaozuo Co., Ltd., Approval Number: Guoyao Zhunzi H41020609; For Injection Ampicillin sodium, North China Pharmaceutical Co., Ltd., approval number: Guoyao Zhunzi H13020652; curcumin-zinc solid dispersion (curcumin-zinc: PVP, mass ratio is 1:8), curcumin solid dispersion (curcumin : PVP, the mass ratio is 1:8), the preparation method is the same as in Example 2, provided by the Laborat...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com