Carotenes的音标：...

Carotenes are insoluble in water and soluble in oils and fats.胡萝卜素不溶于水，但可溶于油类和脂肪。There are over 600 known carotenoids ; they are split into two classes, xanthophylls and carotenes.有超过600种已知的类胡萝卜素,可以分为两类:叶黄素和胡萝卜素....

胡萝卜烯类...