lutein ['lu:tɪrn]

例句:

• Lutein is a kind of natural pigment, extracted scientifically from natural marigold.
  叶黄素是以万寿菊花为原料, 采用科学方法提取精制而成的天然色素.
  
• Lutein is mainly found at the eye's retina and macular.
  叶黄素主要存在于视网膜及黄斑部.
  
• 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.
  
• It may be beneficial to eat vegetables, such as spinach and watercress, that are rich in the yellow antioxidant pigment lutein.
  来自THETIMES