Results 131 to 140 of about 495 (160)
α-, β-caroteno e α-tocoferol em algas marinhas in natura [PDF]
Food Science and Technology, 2008 The aim of this work was to evaluate the potential of 32 marine macro algae species, members of Chlorophyta, Rhodophyta and Phaeophyta, as sources of a-carotene, b-carotene and a-tocopherol. Both b-carotene and a-carotene were found in all species of green macroalgae analyzed.
Marcia Barbosa de Sousa
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A provitamina A (β - caroteno) do azeite de dendê: (Eloeis melanoccoca, GÄRT) [PDF]
Memorias Do Instituto Oswaldo Cruz, 1940 Humberto T Cardoso, Gilberto G Villela
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[Caroteno-protein complexes in Axinella verrucosa (Porifera: Demospongae)].
Bollettino della Societa italiana di biologia sperimentale, 1989Carotenoproteins are common to a wide variety of animals, most notably invertebrates although other animal groups have been shown to have these complexes as well. In a previous paper alpha-carotene, renieratene, isorenieratene and an unknown isomer of renieratene were isolated, but at present nothing is known about nature of the carotenoid-protein ...
P, Santoro, G, Parisi, V, Guerriero
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Teores de β-caroteno em suplementos e biomassa de Spirulina [PDF]
Ciencia E Agrotecnologia, 2011 A cianobactéria Spirulina tem sido utilizada há séculos, tendo em vista suas propriedades nutricionais e medicinais. Neste trabalho, objetivou-se analisar os teores de β-caroteno tanto em suplementos alimentares a base de Spirulina comercializados em estabelecimentos de produtos naturais no mercado varejista, quanto em S.
Marcia Barbosa de Sousa +1 more
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Fotofísica de carotenóides e o papel antioxidante de b-caroteno [PDF]
Quimica Nova, 1997 Carotenoid polyenes play a wide role in nature and their photophysical properties make of these pigments a focus of research in photochemistry, photobiology and photomedicine. Some aspects of the singlet and triplet states and, their interaction with molecular and singlet oxygen and free radicals are briefly reviewed in this article.
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Quercetin and daidzeinβ-apo-14’-carotenoic acid esters as membrane antioxidants
Free Radical Research, 2013Esterification by β-apo-14'-carotenoic acid was found to have opposite effects on antioxidant activity of quercetin (at B4', B3' hydroxyl) as of daidzein (at A7 hydroxyl) in phosphatidylcholine liposomes. The daidzein ester had increased activity, while quercetin had a significant decreased activity.
Hu, F. +9 more
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Forgotten fatty acids—Surface properties supply conclusive evidence for including carotenoic acids
Chemistry and Physics of Lipids, 2018The term "fatty acids" is conceptually well defined with regard to fats, whose extent of saturation or unsaturation is precisely indicated in the content description of foodstuff. In contrast, the term "fatty acid" gives no hint of being associated with "soap" (Na and K salts of fatty acids).
Asma Zaidi +7 more
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β‐Apo‐8′‐Carotenoic acid and its esters in sunflower oil oxidation
Journal of the American Oil Chemists' Society, 2001AbstractThe oxidation kinetics of sunflower oil (SO) and pure triacylglycerols of sunflower oil (TGSO) in the presence of different concentrations (0.0008–0.02%, 1.9–32.7×10−5 M) of β‐apo‐8′‐carotenoic acid (CA), ethyl β‐apo‐8′‐carotenoate (EC), and β‐apo‐8′‐carotenoylglycerol (CG) were studied.
N. V. Yanishlieva +4 more
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