Definition of xanthophyll in English:

xanthophyll

noun ˈzanθə(ʊ)fɪlˈzænθəˌfɪl

mass nounBiochemistry

A yellow or brown carotenoid plant pigment which causes the autumn colours of leaves.
〔生化〕叶黄素，胡萝卜醇
Example sentencesExamples
- Concentrations of total carotenoids and total xanthophyll were greater for plants grown at low temperature.
- These are chlorophyll's shy cousins, the yellow pigment xanthophyll and the red-orange carotene.
- Retinal xanthophyll is a carotenoid, chemically related to vitamin A, whose absorption spectrum peaks at about 460 nm and ranges from 480 nm down to 390 nm.
- Remove both chlorophyll and the yellow pigment xanthophyll and the variegation is white.
- There is now an extensive literature based on in vivo and in vitro studies that deal with mechanistic aspects of xanthophyll pigment-dependent photoprotection.

Origin

Mid 19th century: from Greek xanthos 'yellow' + phullon 'leaf'.

Definition of xanthophyll in US English:

xanthophyll

nounˈzænθəˌfɪlˈzanTHəˌfil

Biochemistry

A yellow or brown carotenoid plant pigment which causes the autumn colors of leaves.
〔生化〕叶黄素，胡萝卜醇
Example sentencesExamples
- These are chlorophyll's shy cousins, the yellow pigment xanthophyll and the red-orange carotene.
- Retinal xanthophyll is a carotenoid, chemically related to vitamin A, whose absorption spectrum peaks at about 460 nm and ranges from 480 nm down to 390 nm.
- Concentrations of total carotenoids and total xanthophyll were greater for plants grown at low temperature.
- Remove both chlorophyll and the yellow pigment xanthophyll and the variegation is white.
- There is now an extensive literature based on in vivo and in vitro studies that deal with mechanistic aspects of xanthophyll pigment-dependent photoprotection.

Origin

Mid 19th century: from Greek xanthos ‘yellow’ + phullon ‘leaf’.

单词	xanthophyll
释义	Definition of xanthophyll in English: xanthophyll noun ˈzanθə(ʊ)fɪlˈzænθəˌfɪl mass nounBiochemistry A yellow or brown carotenoid plant pigment which causes the autumn colours of leaves. 〔生化〕叶黄素，胡萝卜醇 Example sentencesExamples Concentrations of total carotenoids and total xanthophyll were greater for plants grown at low temperature. These are chlorophyll's shy cousins, the yellow pigment xanthophyll and the red-orange carotene. Retinal xanthophyll is a carotenoid, chemically related to vitamin A, whose absorption spectrum peaks at about 460 nm and ranges from 480 nm down to 390 nm. Remove both chlorophyll and the yellow pigment xanthophyll and the variegation is white. There is now an extensive literature based on in vivo and in vitro studies that deal with mechanistic aspects of xanthophyll pigment-dependent photoprotection. Origin Mid 19th century: from Greek xanthos 'yellow' + phullon 'leaf'. Definition of xanthophyll in US English: xanthophyll nounˈzænθəˌfɪlˈzanTHəˌfil Biochemistry A yellow or brown carotenoid plant pigment which causes the autumn colors of leaves. 〔生化〕叶黄素，胡萝卜醇 Example sentencesExamples These are chlorophyll's shy cousins, the yellow pigment xanthophyll and the red-orange carotene. Retinal xanthophyll is a carotenoid, chemically related to vitamin A, whose absorption spectrum peaks at about 460 nm and ranges from 480 nm down to 390 nm. Concentrations of total carotenoids and total xanthophyll were greater for plants grown at low temperature. Remove both chlorophyll and the yellow pigment xanthophyll and the variegation is white. There is now an extensive literature based on in vivo and in vitro studies that deal with mechanistic aspects of xanthophyll pigment-dependent photoprotection. Origin Mid 19th century: from Greek xanthos ‘yellow’ + phullon ‘leaf’.
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