维生素 / Vitamins
HOME>产品服务>维生素, 氨基酸, 激素>维生素
维生素A棕榈酸酯
中文通用名 | ：维生素A棕榈酸酯 |
用途类型 | ：维生素 |
规格 | ：Oil: 1.0/1.7MIU/Powder: CWS325/500 |
HS Code | ：29362500.00 |
- Tel: +86-532-83876123
- Fax: +86-532-83876157
- Email: dennis@qingmeibio.com
- Skype: dennis10221
结构式 | ： |
CAS | ：79-81-2 |
分子式 | ：C36H60O2 |
用途 | ：能透皮吸收，抗角质化，刺激胶原蛋白和弹性蛋白的生长，增加表皮及真皮的厚度。增强皮肤弹性，有效消除皱纹，促进皮肤更新，保持皮肤活力。用于眼霜、保湿霜、修护霜、香波、护发素等 |
Items | Standard |
|---|---|
Description | A fat-like, light yellow solid or yellow oily liquid, EP/Refer to FCC |
Identification A. Thin-layer chromatographic B. Color reaction Related substance | Must conform, USP/FCC/EP Must conform, USP/FCC Must conform, EP |
Related substance ratios A300/A326 A350/A326 A370/A326 | ≤0.60 ≤0.54 ≤0.14 |
Absorbance ratio | [A325]/A325≥0.85, USP/FCC/In house |
Chroma | ≤3.0, In house |
Retinol | ≤1.0%, EP/In house |
All trabs-isomer | ≥95.0%, In house |
Acid value | ≤2.0, EP |
Peroxide value | ≤10.0, EP |
Heavy metals(as Pb) | ≤10mg/kg, Ch.P/CNS-GB5009.12 |
Lead | ≤2mg/kg, FCC/CNS-GB5009.12 |
Arsenic | ≤1mg/kg, Ch.P/CNS-GB5009.11 |
Casmium | ≤1mg/kg, Ch.P/CNS-GB5009.15 |
Mercury | ≤1mg/kg, Ch.P/CNS-GB5009.17 |
Residual solvent(Acetone) | ≤5000mg/kg, Ch.P/In house |
Microbiological tests Total bacteria count Total mold&yeast count Coliforms E. Coli Salmonella Staphylococcus aureus | ≤1000cfu/g,CNS-GB4789.2 ≤100cfu/g,CNS-GB4789.15 ≤30mpn/100g,CNS-GB4789.3 N.d/25g, Ch.P/CNS-GB4789.38 N.d/25g, Ch.P/CNS-GB4789.4 N.d/25g, Ch.P/CNS-GB4789.10 |
Assay Expressed as international units Expressed equivalent amout of retinol | ≥1,700,000IU/g, EP/USP/FCC/In house ≥510mg/g, EP/USP/FCC/In house |