“紫罗酮”造句

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.
Lutein is 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 and zeaxanthin are both dihydroxy - carotenoids with the ionone ring systems distributed widely in nature.

改进了由山苍子油合成紫罗酮的方法.
A method on synthesis of ionone from litsea cubeba oil had been developed.

• #紫罗酮