ionone ring
英
美
【医】紫罗酮环，紫香酮环
双语例句
- 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 as well as the main component of the retina macular pigment in human eye.
叶黄素（lutein）是自然界广泛存在的含紫罗酮环的二羟基类胡萝卜素，也是人眼视网膜黄斑色素主要组成部分。