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