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 ?
which has over 40 years of experience breeding xanthophyll marigold varieties that contain lutein, recently bred marigolds that contain zeaxanthin.
Chemically astaxanthin is classified as a xanthophyll, which is a specific family of carotenoids identified by their benzoid rings, according to Dick Beital, vice president of sales, Pharmachem Laboratories, Kearny, NJ.
According to Ayorinde [30], local guinea fowl have light yellow to white skins due to xanthophyll in feed and dark skin due to high melanin concentration.
The xanthophyll cycle and acclimation of Pinus ponderosa and Malva neglecta to winter stress.
Hecht said the eye-health carotenoids lutein and zeaxanthin have a new teammate, natural astaxanthin derived from the algae Haematococcus pluvialis, which belongs to the same carotenoid xanthophyll group.
The microemulsified source of yellow carotenoid (Quantum GLO[TM] Y; Kemin Industries (Asia) Pte Limited, Singapore) used in the experiment consisted of min 20 g/kg total xanthophyll.
Supplementing with multivitamins and xanthophyll carotenoids that include lutein, zeaxanthin, and meso-zeaxanthin have demonstrated intriguing effects for preventing or mitigating macular degeneration.
If progression continues and the foveal retinal level becomes raised to the level of the perifoveal area, the yellow dot of xanthophyll pigment changes to a doughnut-shaped yellow ring.
Diurnal variation of gas exchange, chlorophyll fluorescence and xanthophyll cycle components of maize hybrids released in different years.
Ernst, "The chemistry of novel xanthophyll carotenoids," The American Journal of Cardiology, vol.
Astaxanthin is a xanthophyll carotenoid and belongs to a larger class of phytochemicals known as terpenes.