Results 11 to 20 of about 104,181 (315)

Studies on the absorption of beta-carotene and the distribution of total carotenoid in human serum lipoproteins after oral administration*

open access: yesJournal of Lipid Research, 1962
The carotenoid increment in human serum was measured after the oral administration of aqueous dispersions and lipid dispersions of β-carotene with different test meal regimens. β-carotene was readily absorbed in both forms.
David G. Cornwell   +2 more
doaj   +1 more source

Carotenoids [PDF]

open access: yesAntioxidants, 2019
Carotenoids are a group of natural pigments, consisting of more than 750 compounds known so far [...]
openaire   +3 more sources

Fruit, vegetable and dietary carotenoid intakes explain variation in skin-color in young caucasian women : a cross-sectional study [PDF]

open access: yes, 2015
This work was supported by a scholarship top-up grant from HMRI. Kristine Pezdirc is supported by an Australian Postgraduate Awards scholarship. Melinda Hutchesson is supported by a Postdoctoral Fellowship (100177) from the National Heart Foundation of ...
Hutchesson, Melinda J.   +13 more
core   +1 more source

Evaluation of Weed Control on Biochemical Characteristics, Relative Water Content, and Grain Yield of Mixed Cropping of Wheat Cultivars [PDF]

open access: yesپژوهشهای زراعی ایران, 2020
Introduction Wheat is the most important crop in the world, which has always been of particular importance since its domestication and has the highest cultivated area among crops. Wheat is the main food of most people in many parts of the world.
A Rezaie, E Bijanzadeh, A Behpouri
doaj   +1 more source

Revisiting the Baltimore–Bullock's Oriole hybrid zone reveals changing plumage colour in Bullock's Orioles

open access: yesRoyal Society Open Science, 2022
Hybrid zones are dynamic areas where populations of two or more interbreeding species may change through an influx of novel genetic material resulting from hybridization or selection on standing genetic variation.
Young Ha Suh   +2 more
doaj   +1 more source

Effect of beta-carotene supplementation on African skin [PDF]

open access: yes, 2014
The authors were funded by the South African National Research Foundation (V.C.), the British Academy, and Wolfson Foundation (D.P.).The quantification of skin carotenoid levels has a range of applications in Caucasian populations, from serving as a ...
Perrett, D.I.   +3 more
core   +1 more source

Phytoene Synthase: The Key Rate-Limiting Enzyme of Carotenoid Biosynthesis in Plants

open access: yesFrontiers in Plant Science, 2022
Phytoene synthase (PSY) catalyzes the first committed step in the carotenoid biosynthesis pathway and is a major rate-limiting enzyme of carotenogenesis.
Xuesong Zhou   +12 more
doaj   +1 more source

Mate choice for a male carotenoid-based ornament is linked to female dietary carotenoid intake and accumulation

open access: yesBMC Evolutionary Biology, 2012
Background The coevolution of male traits and female mate preferences has led to the elaboration and diversification of sexually selected traits; however the mechanisms that mediate trait-preference coevolution are largely unknown. Carotenoid acquisition
Toomey Matthew B, McGraw Kevin J
doaj   +1 more source

Suppression of the Lycopene Cyclase Gene Causes Downregulation of Ascorbate Peroxidase Activity and Decreased Glutathione Pool Size, Leading to H2O2 Accumulation in Euglena gracilis

open access: yesFrontiers in Plant Science, 2021
Carotenoids are photosynthetic pigments and hydrophobic antioxidants that are necessary for the survival of photosynthetic organisms, including the microalga Euglena gracilis.
Shun Tamaki   +7 more
doaj   +1 more source

European Database of Carotenoid Levels in Foods. Factors Affecting Carotenoid Content [PDF]

open access: yes, 2021
Many studies indicate that diets including carotenoid-rich foods have positive effects on human health. Some of these compounds are precursorsof the essential nutrient vitamin A. The present work is aimed at implementing a database of carotenoid contents
Francisco Ravasco   +33 more
core   +1 more source

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