Customization: | Available |
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Certification: | ISO |
Assay Method: | HPLC-MS, HPLC, UV |
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Beta Carotene
1.Best price and good service
2.Offer Documents
3.Prompt shipment, good quality
4. Fine Chemicals;Pharmaceuticals;Retinoids;Plant extract;Beta-carotene pure (Beta-carotene price) is also known as a provitamin because it can be converted in our body into vitamin A after oxidative cleavage by beta carotene 15, 150-dioxygenase. In plants, beta carotene acts as an anti-oxidant and neutralizes singlet oxygen radicals formed during photosynthesi
Beta-carotene pure (Beta-carotene price) is the molecule that gives carrots their orange colour. Beta carotene is part of a family of chemicals called the carotenoids, which are found in many fruit and vegetables, as well as some animal products such as egg yolks. Biologically, beta carotene is most important as the precursor of vitamin A. Beta carotene also has anti-oxidant properties and may help in preventing cancer and other diseases.
Analysis |
Specification |
Results |
Assay(Anhydrous) |
1%~30% |
30.70% |
Appearance |
Violet-red or red crystals or crystalline powder |
Violet-brown crystalline powder |
Odor |
odourless |
odourless |
Identification A455nm/A340nm A455nm/A483nm |
≥1.5 1.14~1.18 |
1.7 1.15 |
Loss on Drying |
≤0.2% |
0.03% |
Residue on ignition |
≤0.2% |
0.02% |
Melting point |
176°C~182°C |
177°C~179°C |
Heavy Metals(Pb) |
≤0.0005% |
conform |
Arsenie(As) |
≤0.0002% |
conform |
Solubility |
To conform |
conform |
Residual Solvents |
||
1.Toluene |
≤0.089% |
<0.0044% |
2.Ethyl acetate |
≤0.5% |
0.18% |
3.Acetone |
≤0.5% |
0.21% |
4.Cyclohexane |
≤0.388% |
<0.019% |
Microbiology |
||
Total Plate Count |
≤1000cfu/g |
conform |
Fungi and Yeast |
≤100cfu/g |
conform |
Coliforms |
<0.3MPN/g |
conform |
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.