xanthophyll


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Related to xanthophyll: carotene, anthocyanin, Carotenoids

xan·tho·phyll

 (zăn′thə-fĭl′)
n.
Any of several yellow carotenoid pigments, including lutein and zeaxanthin, produced by plants and green algae and visible in the leaves of deciduous trees in the autumn. Xanthophylls are also present in some animal tissues such as egg yolks.

xan′tho·phyl′lic, xan′tho·phyl′lous adj.

xanthophyll

(ˈzænθəʊfɪl) or

xanthophyl

n
(Elements & Compounds) any of a group of yellow carotenoid pigments occurring in plant and animal tissue
ˌxanthoˈphyllous adj

xan•tho•phyll

or xan•tho•phyl

(ˈzæn θə fɪl)

n.
a carotenoid yellow pigment of plants, algae, and other forms, often masked by the green of chlorophyll.
[1830–40; < French xanthophylle. See xantho-, -phyll]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.xanthophyll - yellow carotenoid pigments in plants and animal fats and egg yolks
carotenoid - any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
References in periodicals archive ?
Carotene which contains cryptoxanthin and xanthophyll has been responsible for the rich yellow colour of the egg yolk in poultry [22, 23].
Astaxanthin is a xanthophyll carotenoid and belongs to a larger class of phytochemicals known as terpenes.
Astaxanthin (1 mg): A xanthophyll carotenoid with potent antioxidant activity, astaxanthin boosts bloodflow to the retina, helping to keep eyes energized while supporting fast eye focus and accurate depth perception.
Mother hens regularly deposit nutrients and xanthophyll into eggs (Palmer, 1915).
The results found supplementation significantly improved the plasma antioxidant capacity, circulating macular xanthophyll levels, and the optical density of the macular pigment.
Photosynthesis, photosystem II efficiency and xanthophyll cycle in the salt-adapted halophyte Atriplex centralasiatica.
The first is called xanthophyll, which is yellow in colour.
Shifts in light ultimately cause tiny shifts in the structure of the xanthophyll molecules--to make them either feed light to chlorophyll, or shunt light away.
Astaxanthin, a xanthophyll carotenoid, is a nutrient with unique cell membrane actions and diverse clinical benefits.
In birds, yellow coloration is usually due to diet-derived carotenoids, primarily xanthophyll (Hutt 1949).
Some reports show that these compounds are very important in the preservation of the photosynthetic apparatus against photodamage by their interconversion with xanthophyll molecules (ORT, 2001; YOUNG et al.
Diatoxanthin and Diadino were both analysed to track diatoms as in their xanthophyll cycle Diadino could be transformed to Diato at intensive light (Patoine & Leavitt 2006).