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Extending Fluspect to simulate xanthophyll driven leaf reflectance dynamics

open access: yesRemote Sensing of Environment, 2018
Nastassia Vilfan   +2 more
exaly   +2 more sources

The role of the xanthophyll cycle and of lutein in photoprotection of photosystem II

open access: yesBiochimica Et Biophysica Acta - Bioenergetics, 2012
Peter Jahns, Alfred R Holzwarth
exaly   +2 more sources
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Microbial xanthophylls

Applied Microbiology and Biotechnology, 2005
Xanthophylls are oxygenated carotenoids abundant in the human food supply. Lutein, zeaxanthin, and cryptoxanthin are major xanthophyll carotenoids in human plasma. The consumption of these xanthophylls is directly associated with reduction in the risk of cancers, cardiovascular disease, age-related macular degeneration, and cataract formation ...
Prakash, Bhosale, Paul S, Bernstein
openaire   +2 more sources

The Macular Xanthophylls

Survey of Ophthalmology, 2005
The macular pigments are predominantly composed of three carotenoids: lutein, zeaxanthin, and meso-zeaxanthin. These carotenoids are concentrated and distributed in a selective manner. The properties of these pigments are further explored along with their methods of uptake, stabilization, and storage.
Shazia S, Ahmed   +2 more
openaire   +2 more sources

Cation radicals of xanthophylls

Photosynthesis Research, 2007
Carotenes and xanthophylls are well known to act as electron donors in redox processes. This ability is thought to be associated with the inhibition of oxidative reactions in reaction centers and light-harvesting pigment-protein complexes of photosystem II (PSII).
Mary Grace I, Galinato   +4 more
openaire   +2 more sources

Xanthophyll Esters in Human Skin

Archives of Biochemistry and Biophysics, 1998
Carotenol fatty acid esters in various fruits and vegetables are sources of carotenoids for humans and are cleaved during intestinal absorption to yield the parent xanthophyll. In the present study we demonstrate that low amounts of carotenol esters are present in human skin.
T, Wingerath, H, Sies, W, Stahl
openaire   +2 more sources

The xanthophyll cycle

1993
Among all the carotenoids which are present in the photosynthetic membranes of higher plants, only three undergo rapid, light-induced changes in their concentration. These are the three xanthophylls of the xanthophyll cycle and they undergo intercon versions induced by changes in light intensity. Furthermore, the acclimation of photosynthetic organs to
B. Demmig-Adams, W. W. Adams
openaire   +1 more source

The Xanthophylls of Alfalfa

Transactions of the Kansas Academy of Science (1903-), 1954
No intensive study has been reported on the isolation and identification of the xanthophylls of freshly cut alfalfa. Zscheile et al. (7) mentioned briefly that they obtained lutein by chromatography of alfalfa leaves, and Strain (6) observed that egg yolks of chickens kept on a ration of wheat bran, milk, and fresh alfalfa contained minute traces of ...
L. A. Gugliemelli   +2 more
openaire   +1 more source

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