Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A yellow carotenoid pigment, C40H56O2, found with chlorophyll in green plants and identical with lutein.
- n. Any of various related yellow pigments.
Wiktionary
- n. organic chemistry, countable Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes.
- n. organic chemistry, uncountable Alternative name for lutein.
GNU Webster's 1913
- n. (Bot.) A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also
phylloxanthin .
WordNet 3.0
- n. yellow carotenoid pigments in plants and animal fats and egg yolks
Etymologies
- From xantho- (from Ancient Greek ξανθός (xanthos, "yellow")) + -phyll (from φύλλος (phyllos, "leaf")). (Wiktionary)
Examples
“Seasonal changes in chlorophyll fluorescence quenching and the induction and capacity of the photoprotective xanthophyll cycle in Lobaria pulmonaria.”
“The traditional air-aging of flour had a visible side effect: the yellowish flour becomes progressively paler as the xanthophyll pigments are oxidized to a colorless form.”
Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen
“The color of durum wheat, its coarse semolina flour, and dry pasta is due mainly to the carotenoid xanthophyll lutein, which can be oxidized to a colorless form by enzymes in the grain and oxygen.”
Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen
“The modern high-temperature method rapidly inactivates enzymes that can destroy the yellow xanthophyll pigments and cause brown discoloration, and it cross-links some of the gluten protein and produces a firmer, less sticky cooked noodle.”
Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen
“The color comes from xanthophyll and from the carotene pigments that are vitamin-A precursors.”
“PALMER AND ECKLES: Chemical and physiological relation of pigment of milk fat to carotin and xanthophyll of green plants.”
“PALMER: The physiological relation of the pigment to the xanthophyll of plants.”
“PALMER AND ECKLES: The fate of carotin and xanthophyll during digestion.”
“Ambarsari I, Warner ME, Fitt WK, Dunne RP, et al. (1999) Diurnal changes in photochemical efficiency and xanthophyll concentrations in shallow water reef corals: evidence for photoinhibition and photoprotection.”
“And at different points throughout the study, they measured photosystem II efficiency, xanthophyll and chlorophyll”
Lists
These user-created lists contain the word ‘xanthophyll’.
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phrontistery-x
from phrontistery.info
xyston, xystus, xystarch, xylotomous, xyster, xylorimba, xylotherapy, xylopolist, xylophory, xylophilous, xylophagous, xylometer and 82 more...
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phrontistery-x
from phrontistery.info
xyston, xystus, xystarch, xyster, xylotomous, xylotherapy, xylorimba, xylopolist, xylotypographic, xylophilous, xylophagous, xylopyrography and 82 more...
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I Can't Believe It's Not Listed
Words that, at the I put them here, weren't being listed by anyone else in the entire universe.
vagus, neoplanet, fadiddy, cazique, catastroika, circumciser, commonplace book, danseuse, ecopod, dichloroacetate, underlay, overlay and 374 more...
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Dyes & Pigments
gamboge, anil, catechu, cinnabar, vermilion, ponceau, cochineal, kermes, lac, eosin, azure, indigo and 134 more...
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Just 'cause I like 'em, X
xenodocheionology, xenophile, xenial, xenon, xylophone, xylem, xanthation, xanthoxenite, xonotlite, xylobalsamum, xylostein, xyrid and 24 more...
Tweets
Looking for tweets for xanthophyll.
bilby "A question that children ask all the time is why do leaves on trees change color in the Fall? Inside each leaf are millions of packages of color. Chlorophyll is contained in the green packages, xanthophyll in the yellow and the orange packages are carotene."
- RJ Evans, 'Love Me or Leaf Me: The Secret Life of Leaves', 13 Sep 2008.
Sep 23, 2008