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角黄素

角黄素[1]
IUPAC名
β,β-Carotene-4,4'-dione
别名 斑蝥(蟊)黄、杏菌红素、鸡油菌黄
识别
CAS号 514-78-3  checkY
PubChem 5281227
ChemSpider 4447582
SMILES
 
  • CC(CC1)(C)C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C(C(C)(C)CC2)=C(C)C2=O)=C(C)C1=O
InChI
 
  • 1/C40H52O2/c1-29(17-13-19-31(3)21-23-35-33(5)37(41)25-27-39(35,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-36-34(6)38(42)26-28-40(36,9)10/h11-24H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+
InChIKey FDSDTBUPSURDBL-OQWFGLAJBT
ChEBI 3362
性质
化学式 C40H52O2
摩尔质量 564.84 g·mol−1
外观 深紫色晶体
熔点 211-212 °C(484-485 K)(分解[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

角黄素 (Canthaxanthin) 是一种类胡萝卜素色素。深紫色晶体或结晶性粉末。熔点约210℃(分解)。对氧及光不稳定。需贮存于充惰性气体的遮光性容器内。溶于氯仿(10%),微溶于植物油(0.005%)、丙酮(0.03%)。不溶于水、乙醇丙二醇。稳定的工业产品为溶于油脂或有机溶剂中的溶液形式,或水分散性的橙至红色粉末或颗粒形式。着色后色调不受pH值影响,对日光亦相当稳定,不易褪色。

天然品存在于某种蘑菇、甲壳类、鱼类藻类血液肝脏等中。

用途

用于饮料,冰淇淋,调味酱,番茄制品,肉类制品等的着色,为橙色着色剂。

生产方法

β-胡萝卜素氧化而得。

参考资料

  1. ^ Merck Index, 11th Edition, 1756.
  2. ^ Petracek, F. J.; Zechmeister, L. Reaction of β-Carotene with N-Bromosuccinimide: The Formation and Conversions of Some Polyene Ketones. Journal of the American Chemical Society. 1956-04, 78 (7): 1427–1434 [2022-01-03]. ISSN 0002-7863. doi:10.1021/ja01588a044. (原始内容存档于2022-01-12) (英语). 
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角黄素
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