carotenes

核心释义

1. 1.

   一类四萜植物色素,颜色从黄、橙到红不等,其颜色源于交替的单双键链。

   A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds.

2. 2.

   胡萝卜素,不饱和烃的橙色异构体,存在于许多植物中,在肝脏转化为维生素A

   an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver

3. 3.

   特指四萜烃的多种异构体,分子式C40H56(尤其是β-胡萝卜素),存在于胡萝卜等中,在肝脏中转化为维生素A。

   Specifically, a number of isomers of tetraterpene hydrocarbons, C40H56, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver.

4. 4.

   植物中的黄色或橙红色脂溶性色素

   yellow or orange-red fat-soluble pigments in plants

胡萝卜素,不饱和烃的橙色异构体,存在于许多植物中,在肝脏转化为维生素A；特指四萜烃的多种异构体,分子式C40H56(尤其是β-胡萝卜素),存在于胡萝卜等中,在肝脏中转化为维生素A。；植物中的黄色或橙红色脂溶性色素；胡萝卜素；[化] 胡萝卜素; 叶红素