Definition of lutein in English:

lutein

noun 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.
〔生化〕叶黄素，黄体激素
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:

lutein

nounˈlo͞odēənˈludiən

Biochemistry

A deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum.
〔生化〕叶黄素，黄体激素
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.

单词	lutein
释义	Definition of lutein in English: lutein noun 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. 〔生化〕叶黄素，黄体激素 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: lutein nounˈlo͞odēənˈludiən Biochemistry A deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum. 〔生化〕叶黄素，黄体激素 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.
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