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Lutein and zeaxanthin as protectors of lipid membranes against oxidative damage: the structural aspects.
Two main xanthophyll pigments are present in the membranes of macula lutea of the vision apparatus of primates, including humans: lutein and zeaxanthin. Protection against oxidative damage of theExpand
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Carotenoids as modulators of lipid membrane physical properties.
Carotenoids are a group of pigments present both in the plant and animal kingdoms, which play several important physiological functions. The protection against active oxygen species, realised via theExpand
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Zeaxanthin (dihydroxy-beta-carotene) but not beta-carotene rigidifies lipid membranes: a 1H-NMR study of carotenoid-egg phosphatidylcholine liposomes.
1H-NMR technique was applied to study liposomes formed with egg-yolk phosphatidylcholine containing as an additional component two carotenoid pigments: beta-carotene or zeaxanthinExpand
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Effects of polar carotenoids on dimyristoylphosphatidylcholine membranes: a spin-label study.
Spin labeling methods were used to study the structure and dynamic properties of dimyristoylphosphatidylcholine (DMPC) membranes as a function of temperature and the mole fraction of polarExpand
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Carotenoids in Membranes
Membranes of bacteria, plants and animals contain carotenoid pigments as direct constituents of their lipid phase. The rod-like structure of a carotenoid molecule, often terminated with polar groupsExpand
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Effect of beta-carotene on structural and dynamic properties of model phosphatidylcholine membranes. II. A 31P-NMR and 13C-NMR study.
Spin label EPR studies (Strzałka and Gruszecki (1994) Biochim. Biophys. Acta 1194, 138-142) revealed that beta-carotene affects structural and dynamic properties of modelExpand
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The study of the quercetin action on human erythrocyte membranes.
Quercetin is a naturally occurring flavonoid that exerts multiple pharmacological effects. In our previous study, we showed that quercetin greatly affects the lipid membrane. In this report, a studyExpand
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Orientation of xanthophylls in phosphatidylcholine multibilayers.
Oriented multibilayers of dimyristoyl phosphatidylcholine (DMPC) modified with violaxanthin or zeaxanthin were examined by X-ray diffractometry and linear dichroism. It appears that pigment moleculesExpand
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Does the xanthophyll cycle take part in the regulation of fluidity of the thylakoid membrane
Upon strong illumination (30 min, 1400 W m −2 ) of intact pea leaves the spin label-monitored fluidity of the isolated thylakoid membranes decreases in the peripheral region of the hydrophobic coreExpand
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Modification of membranes by quercetin, a naturally occurring flavonoid, via its incorporation in the polar head group.
Quercetin is a naturally occurring flavonoid that has a lot of beneficial properties to human health. In this report, using the spin label technique, the influence of quercetin on the fluidity ofExpand
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