姜黄色素

[中文名称] 姜黄素　　                                                                                              [英文名称] curcumin　　                                                                                            [别 名] turmeric yellow, diferuloylmethane　　                                                                           [化学名称] 1,6-heptadiene-3,5-dione,1,7-bis(4-hydroxy-3-methoxyphenyl)-　　                                                                 [分 子 式] c21h20o6;　　                                                                                                分 子 量] 368.37　　                                                                                          cas: 458-37-7　　[                                                                                                姜黄素为橙黄色结晶粉末或油溶性液体味稍苦。不溶于水，溶于乙醇、丙二醇，易溶于冰醋酸和碱溶液，在碱性时呈红褐色，在中性、酸性时呈黄色。对还原剂的稳定性较强，着色性强(不是对蛋白质)，一经着色后就不易退色，但对光、热、铁离子敏感，耐光性、耐热性、耐铁离子性较差。　                                                                         姜黄素用于肠类制品、罐头、酱卤制品等产品的着色，其使用量按正常生产需要而定。                                          姜黄素总色素含量：95%