Results 21 to 30 of about 7,578 (203)
Molecules, 2016 Despite the widespread use of the five major xanthophylls astaxanthin, β-cryptoxanthin, canthaxanthin, lutein, and zeaxanthin as dietary supplements, there have been no studies regarding their inhibitory effects on hepatic UDP-glucuronosyltransferases ...
Yu Fen Zheng +7 more
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Extraction and Analysis by HPLC-DAD of Carotenoids in Human Faeces from Spanish Adults
Antioxidants, 2020 Carotenoids are bioactive compounds with widely accepted health benefits. Their quantification in human faeces can be a useful non-invasive approach to assess their bioavailability.
Elena Rodríguez-Rodríguez +5 more
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Marine Drugs, 2011 Marine bacteria belonging to genera Paracoccus and Brevundimonas of the α-Proteobacteria class can produce C40-type dicyclic carotenoids containing two β-end groups (β rings) that are modified with keto and hydroxyl groups.
Norihiko Misawa
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Use of natural pigments obtained from cyanobacteria and algae
Acta et Commentationes: Ştiinţe Exacte şi ale Naturii, 2022 The article reflects data on the use of cyanobacteria pigments in cosmetology. One of the sources of natural antioxidants are the pigments obtained from various algae and cyanobacteria. An essential source for extracting pigments and biologically active
Alina Trofim, Anastasia Verdeș
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Animals, 2021 The effect of dietary levels of alfalfa protein-xanthophyll concentrate (PXC) was determined in growing rats. Three groups of eight four-week-old male Wistar rats, with an average initial body weight of 61 g, were fed for 28 days either natural ...
Marcin Barszcz +5 more
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Effects on egg yolk colour of paprika or paprika combined with marigold flower extract
Italian Journal of Animal Science, 2010 COLOR-UP® and COLOR-UP YELLOW-S® were fed to a total of 144 twenty-five-week-old Charoen Pokphand brown laying hens to investigate whether yellow xanthophylls present in marigold flowers in combination with red xanthophylls from paprika fruit can
Keiko Saito +3 more
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Antioxidants, 2021 Recent findings suggested that proteins can differentially affect carotenoid bioaccessibility during gastro-intestinal digestion. In this crossover, randomized human trial, we aimed to confirm that proteins, specifically whey- and soy-protein isolates ...
Mohammed Iddir +6 more
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Acta Pharmaceutica, 2023 Astaxanthin (ASTA) and zeaxanthin (ZEA) are xanthophyll carotenoids showing a wide spectrum of health-promoting properties. However, their utilization is limited, mostly due to poor water solubility, limited bioavailability, and a tendency to oxidate, as
Radić Kristina +5 more
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Marine Drugs, 2022 Brown algae are ubiquitously distributed in the NW coastline of the Iberian Peninsula, where they stand as an underexploited resource. In this study, five solvents were applied to the extraction of pigments from nine brown algae, followed by their ...
Pascual Garcia-Perez +8 more
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Stability of carotenoids toward UV-irradiation in hexane solution [PDF]
Journal of the Serbian Chemical Society, 2008 The stabilities of four selected carotenoids dissolved in hexane, two carotenes and two xanthophylls, toward UV-irradiation of three different ranges (UV-A, UV-B and UV-C) were studied in this work. The carotenoids underwent bleaching via a probable free
DRAGAN CVETKOVIC, DEJAN MARKOVIC
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