Stable vitamin A encapsulated
    7.
    发明授权
    Stable vitamin A encapsulated 失效
    稳定的维生素A包封

    公开(公告)号:US5648091A

    公开(公告)日:1997-07-15

    申请号:US438869

    申请日:1995-05-23

    摘要: A process for purifying vitamin A consisting of heating a vitamin A preparation in an inert atmosphere, at a temperature below 170.degree. C. and a pressure of less than 4 mm of mercury, said heating taking place in a vessel shielded from light is disclosed. The vitamin A obtained from this process is mixed with from 0.5:1 to 2:1 parts of tocopherol to vitamin A. The vitamin A and tocopherol mixture can be encapsulated in acacia gum, starch, pectins or other suitable materials. When the vitamin A is encapsulated, the level of tocopherol required is less, preferably from 0.05:1 to about 1:1 parts of tocopherol to vitamin A is used in an encapsulated vitamin A composition. Other antioxidants can be added.

    摘要翻译: 公开了一种净化维生素A的方法,该方法包括在惰性气氛中,在低于170℃的温度和小于4毫米汞柱的压力下加热维生素A制剂,所述加热发生在屏蔽光的容器中。 从该方法获得的维生素A与0.5:1至2:1的生育酚与维生素A混合。维生素A和生育酚混合物可以包封在阿拉伯树胶,淀粉,果胶或其他合适的材料中。 当维生素A被包封时,所需的生育酚水平较低,优选为0.05:1至约1:1份的生育酚与维生素A在包封的维生素A组合物中的使用。 可添加其他抗氧化剂。