点击图片查看原图
Beta-carotene is an antioxidant and therefore may offer some protection against certain cancers and other diseases. and it is a naturally occurring substance present in green and yellow fruits and vegetables. In the body, beta-carotene is converted into vitamin A and is used as a vitamin supplement to prevent or treat vitamin A deficiency. Beta-carotene can help prevent or treat reactions to the sun in some specific groups of patients.
Natural beta-carotene specification
|
Test |
Specifications |
Result |
|
Assay |
1% |
1.15% |
|
Appearance |
Free flowing red-orange powder |
Complies |
|
Loss on drying |
≤5% |
3.0% |
|
Mesh size |
pass 80mesh 80 |
Complies |
|
Heavy metals |
≤10ppm |
Complies |
|
Microbiology Total Plate Count Yeast & Mold E.Coli Salmonella |
<1000cfu/g <100cfu/g Negative Negative |
165cfu/g 12cfu/g Complies Complies |
|
Conclusion |
Conform with specification |
|
产品名称：β-胡萝卜素
英文名：beta-Carotene
CAS：7235-40-7
EINECS：230-636-6
别 名：beta,beta-Carotene; Carotene; Solatene; trans-beta-Carotene
分子式：C40H56
分子量：536.88
含量：96.0%-101.1%
特性：纯净的产品为深红色或暗红色、有光泽的斜方六面体或结晶状粉末，对氧、热及光不稳定，是类胡萝卜素之一。
熔点：183℃
比旋光度：105° (c=0.8, EtOH 25°C)
水溶性：溶于二硫化碳、苯、氯仿。不溶于水、丙二醇、甘油，几乎不溶于甲醇和乙醇。