产地：usa  
货号：C9750-5G
Sigmaβ-胡萝卜素
β-Carotene
C9750 - Type I, synthetic, ≥93% (UV), powderDOWNLOAD MSDS (PDF)
别名: β,β-胡萝卜素, 维生素原 A
CAS号: 7235-40-7
经验分子式（希尔表示法）: C40H56
分子量: 536.87
Biochem/physiol Actions
维生素原 A，即 β-胡萝卜素能分类作为抗氧化剂的最重要的原因就是它可以在体外抑制自由基引发的过氧化。然而，它在体内究竟表现为抗氧化剂或是促氧化剂却取决于细胞环境。它可以降低许多癌症的发病率，却会增加吸烟者患肺癌的几率。
相关类型 Antioxidant and Free Radical Scavengers, Bioactive Small Molecules, Biochemicals Found in Plants - sorted by compound type, Biochemicals Found in Plants - sorted by plant name, C-CH,
Cancer Research, Carotenoid, Cell Biology, Chemopreventive Agents, Cofactor, Isoprenoid, Metabolites and Cofactors on the Metabolic Pathways Chart, Nutrition Research, Theobroma cacao, Vitamin A, Vitamins
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biological source synthetic
type Type I
assay ≥93% (UV)
form powder
potency ~1,600,000 units vitamin A per g
color dark red to brown
solubility hexane: soluble1.1 mg/mL
  DMSO: soluble30 μg/mL
storage temp. −20°C