| 释义 |
Definition of lutein in English: luteinnoun ˈluːtɪɪnˈludiən mass nounBiochemistry A deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum. Example sentencesExamples - Cataract patients also tend to be deficient in vitamin A and the carotenes, lutein and zeaxanthin.
- The yellow colour comes largely from carotenoids, which hens get from plant foods, or lutein, which is added to feeds specifically to colour egg yolk.
- While the root of the beet is a nutritional powerhouse, the leaves are just as potent, containing antioxidant carotenoids, chlorophyll and lutein.
- In this study, visual function is improved with lutein alone or lutein together with other nutrients.
- Companies don't usually test for phytochemicals like lutein or lycopene because they're not yet considered nutrients.
Origin Mid 19th century: from Latin luteum 'yolk of egg' (neuter of luteus 'yellow') + -in1. Definition of lutein in US English: luteinnounˈlo͞odēənˈludiən Biochemistry A deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum. Example sentencesExamples - Companies don't usually test for phytochemicals like lutein or lycopene because they're not yet considered nutrients.
- The yellow colour comes largely from carotenoids, which hens get from plant foods, or lutein, which is added to feeds specifically to colour egg yolk.
- Cataract patients also tend to be deficient in vitamin A and the carotenes, lutein and zeaxanthin.
- While the root of the beet is a nutritional powerhouse, the leaves are just as potent, containing antioxidant carotenoids, chlorophyll and lutein.
- In this study, visual function is improved with lutein alone or lutein together with other nutrients.
Origin Mid 19th century: from Latin luteum ‘yolk of egg’ (neuter of luteus ‘yellow’) + -in. |