carotenoids的例句（carotenoids在句子中的用法）

• 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.
• Lutein and zeaxanthin are both dihydroxy - carotenoids with the ionone ring systems distributed widely in nature. 叶黄素和玉米黄质是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.
• Lutein is dihydroxy - carotenoids with the ionone ring systems distributed widely in nature. 叶黄素是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.