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Mostrando 261 - 280 Resultados de 6,920 Para Buscar '"carotenoides"', tiempo de consulta: 0.75s Limitar resultados
  1. 261
    “…In all the cultivars, lutein was the most abundant carotenoid. Furthermore, the contents of each carotenoid in flowers varied depending on the cultivar. …”
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    Accumulation of Carotenoids and Metabolic Profiling in Different Cultivars of Tagetes Flowers
  2. 262
    “…Among naturally occurring pigments, carotenoids are importantly involved in the photosynthesis of plants and responsible for the coloration of petals and fruits. …”
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    Carotenoid Accumulation and Its Contribution to Flower Coloration of Osmanthus fragrans
  3. 263
    “…Carotenoids are known for their antioxidant activity and health promoting effects. …”
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    Pressurized Hot Ethanol Extraction of Carotenoids from Carrot By-Products
  4. 264
    “…The retention mechanism of four major carotenoids, two xanthophylls (i.e., lutein and zeaxanthin) and two carotenes (i.e., lycopene and β-carotene), was investigated in reversed-phase liquid chromatography with the aim of thermodynamic analysis. …”
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    Thermodynamic Insights into the Separation of Carotenoids in Reversed-Phase Liquid Chromatography
  5. 265
    “…Inspired by natural systems, we have explored the metabolic consequences of spatial reorganizations of the catalytic domains of Xanthophyllomyces dendrorhous carotenoid enzymes produced in Saccharomyces cerevisiae. …”
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    Enzyme-fusion strategies for redirecting and improving carotenoid synthesis in S. cerevisiae
  6. 266
    “…The aim of this work was to evaluate a previously-developed model on supercritical fluid extraction (SFE) for carotenoid recovery from carrot peels on various carotenoid-rich fruit and vegetable wastes. …”
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    Supercritical Fluid Extraction of Carotenoids from Vegetable Waste Matrices
  7. 267
    “…Therefore, phytochemicals with proven antioxidant and anti-inflammatory activities, such as carotenoids and polyphenols, could be of benefit in these diseases. …”
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    Health Benefits of Polyphenols and Carotenoids in Age-Related Eye Diseases
  8. 268
    “…Here, we show that historical cycles of gains and losses of external dependencies in avian carotenoid-producing networks are linked to their evolutionary diversification. …”
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    Cycles of external dependency drive evolution of avian carotenoid networks
  9. 269
    “…For the carotenoid analysis, the developed method presented a rapid response, a good chromatographic separation, higher sensitivity and can provides more compounds information due the mass spectrum. …”
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    Analysis of major carotenoids and fatty acid composition of freshwater microalgae
  10. 270
    por Reboul, Emmanuelle
    Publicado 2019
    “…It was long believed that β-carotene absorption (the principal provitamin A carotenoid in the human diet), and thus all other carotenoid absorption, was driven by passive diffusion through the brush border of the enterocytes. …”
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    Mechanisms of Carotenoid Intestinal Absorption: Where Do We Stand?
  11. 271
    “…Carotenoid-containing oil droplets in the avian retina act as cut-off filters to enhance colour discrimination. …”
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    Carotenoid composition and conformation in retinal oil droplets of the domestic chicken*
  12. 272
    “…We present a comparison of the performance of four miniature portable Raman spectrometers for the discrimination of carotenoids in samples of carotene-producing microorganisms. …”
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    Comparison of Miniaturized Raman Spectrometers for Discrimination of Carotenoids of Halophilic Microorganisms
  13. 273
    “…The carotenoid composition of the Scarlet elf cup extract was determined by HPLC analysis. …”
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    Carotenoid composition of the mushroom Scarlet elf cup (Sarcoscypha coccinea)
  14. 274
    “…Carotenoids are anti-oxidative agents. Human skin and eyes contain specific carotenoid species known to prevent various pathologies caused by oxidative stress. …”
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    Skin Carotenoid Index in a large Japanese population sample
  15. 275
    “…The mechanism of action of carotenoids has not been clearly identified; however, it has been associated with the antioxidant capacity of carotenoids, which acts against reactive oxygen species and inactivating free radicals, although it has also been shown that carotenoids modulate gene expression. …”
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    Nutritional Importance of Carotenoids and Their Effect on Liver Health: A Review
  16. 276
    “…Nevertheless, the understanding of carotenoid metabolism in haloarchaea, its regulation, and the roles of carotenoid derivatives in this group of extreme microorganisms remains mostly unrevealed. …”
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    Haloarchaeal Carotenoids: Healthy Novel Compounds from Extreme Environments
  17. 277
    “…Fucoxanthin and its derivatives are the main light-harvesting pigments in the photosynthetic apparatus of many chromalveolate algae and represent the most abundant carotenoids in the world’s oceans, thus being major facilitators of marine primary production. …”
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    An algal enzyme required for biosynthesis of the most abundant marine carotenoids
  18. 278
    “…Carotenoids are the most universal and most widespread pigments in nature. …”
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    Carotenoids in the eyespot apparatus are required for triggering phototaxis in Euglena gracilis
  19. 279
    “…Carotenoids comprise a diverse range of naturally occurring stereoisomers, which differ in their physico-chemical properties. …”
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    Stereoisomers of Colourless Carotenoids from the Marine Microalga Dunaliella salina
  20. 280
    “…This photoprotective process involves the formation of energy-quenching interactions between the chlorophyll and carotenoid pigments within the antenna of Photosystem II (PSII). …”
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    Excitation quenching in chlorophyll–carotenoid antenna systems: ‘coherent’ or ‘incoherent’
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