Academic literature on the topic 'Flavonoïden'
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Journal articles on the topic "Flavonoïden"
Huet, R. "Les flavonoïdes d'agrumes." Fruits 67, no. 3 (May 2012): 231–36. http://dx.doi.org/10.1051/fruits/2012016.
Full textBarron, Denis, Christine Balland, Françoise Possety, Patrick Ravanel, and Aline Desfougères. "Flavonoïdes prénylés et perméabilité membranaire." Acta Botanica Gallica 143, no. 6 (January 1996): 509–20. http://dx.doi.org/10.1080/12538078.1996.10515348.
Full textTahrouch, Saïda, Laurence Cosson, Sylvie Rapior, Lalla Mina Idrissi Hassani, R. Rouhi, Annick Gargadennec, and Claude Andary. "Identification des flavonoïdes deArgania spinosa." Acta Botanica Gallica 149, no. 1 (January 2002): 113–14. http://dx.doi.org/10.1080/12538078.2002.10515935.
Full textStoclet, J. C., and V. Schini-Kerth. "Flavonoïdes alimentaires et santé humaine." Annales Pharmaceutiques Françaises 69, no. 2 (March 2011): 78–90. http://dx.doi.org/10.1016/j.pharma.2010.11.004.
Full textReynaud, Joël, and J. Raynaud. "Les flavonoïdes de Doronicum grandiflorum." Biochemical Systematics and Ecology 14, no. 2 (January 1986): 191–93. http://dx.doi.org/10.1016/0305-1978(86)90060-8.
Full textKouamé, Thomas Konan, Sorho Siaka, Amian Brise Benjamin Kassi, and Yaya Soro. "Détermination des teneurs en polyphénols totaux, flavonoïdes totaux et tanins de jeunes feuilles non encore ouvertes de Piliostigma thonningii (Caesalpiniaceae)." International Journal of Biological and Chemical Sciences 15, no. 1 (April 21, 2021): 97–105. http://dx.doi.org/10.4314/ijbcs.v15i1.9.
Full textBouyahya, A., J. Abrini, A. Et-Touys, F. Lagrouh, N. Dakka, and Y. Bakri. "Analyse phytochimique et évaluation de l’activité antioxydante des échantillons du miel marocain." Phytothérapie 16, S1 (December 2018): S220—S224. http://dx.doi.org/10.3166/phyto-2019-0148.
Full textKaranga, Yssouf, Amidou Tall, Yibor Fabrice Roland Bako, Ousmane Ilboudo, and Issa Tapsoba. "Etude du comportement électrochimique des flavonoïdes dans l’extrait à l’acétate d’éthyle de <i>Euphorbia hirta</i> L." International Journal of Biological and Chemical Sciences 17, no. 7 (February 22, 2024): 3024–36. http://dx.doi.org/10.4314/ijbcs.v17i7.32.
Full textNiassy, Bourama, Byung-Hun Um, Annelise Lobstein, Bernard Weniger, Mamadou Koné, and Robert Anton. "Flavonoïdes de Tephrosia deflexa et Tephrosia albifoliolis." Comptes Rendus Chimie 7, no. 10-11 (October 2004): 993–96. http://dx.doi.org/10.1016/j.crci.2003.12.020.
Full textNaco, Mohamed El Bechir, Harouna Tirera, Benoit Yaranga Tangara, Serigne Omar Sarr, Djibril Fall, Yerim Mbagnick Diop, Bara Ndiaye, and Amadou Diop. "Potentiel thérapeutique et nutritionnel de quelques échantillons de thé vert consommé dans la région de Dakar au Sénégal." International Journal of Biological and Chemical Sciences 17, no. 4 (September 19, 2023): 1357–70. http://dx.doi.org/10.4314/ijbcs.v17i4.6.
Full textDissertations / Theses on the topic "Flavonoïden"
De, Oliveira Eduardo Basilio. "Simulations moléculaires appliquées à l'acétylation de flavonoïdes catalysée par des lipases : influence des structures de la lipase e du flavonoïde sur la régiosélectivité de la bioconversion." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2009. http://tel.archives-ouvertes.fr/tel-00452422.
Full textDe, Oliveira Eduardo Basilio. "Simulations moléculaires appliquées à l'acétylation de flavonoïdes catalysée par des lipases : influence des structures de la lipase et du flavonoïde et sur la régiosélectivité de la bioconversion." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL095N/document.
Full textFlavonoids are plant-produced polyhydroxylated compounds, well-known for their beneficial health effects. In order to obtain more stable and soluble derivatives for incorporation in hydrophobic formulations without damaging the biological activities of the native molecules, a solution consists to perform a regioselective acylation of these molecules. This can be accomplished by using lipase biocatalysts, in organic media. Several experimental studies dealing with such processes are available, but none of them give any explanation, at the molecular level, for the regioselectivity of such reactions. This study aimed to apply different molecular modelling tools in order to better understand, at the molecular level, the selectivity properties of the acetylation of three flavonoids (quercetin and its glycosylated derivatives isoquercitrin and rutin), by using the lipases CALB and PCL. Firstly, docking simulations were applied, in order to obtain the most probable positions and orientations of the flavonoids in the cavities of acetylated lipases. Then, molecular dynamics simulations were performed, aiming to study the structural stability of the complexes upon a period of time and specially the stability of the enzyme-substrates interactions. Finally, quantum chemical simulations (DFT) were applied to evaluate the chemical reactivity of the flavonoids as docked in the complexes. The trends observed during the simulations were well correlated with previous experimental results on the acetylation reaction of these flavonoids. Overall, the results showed that the selectivity in such reactions depends upon the substrates (flavonoid and acetate) orientations in the enzyme catalytic cavity, the intermolecular interactions that stabilize these substrates and the intrinsic chemical reactivity of the flavonoids OH groups reaching the catalytic residues
Anthoni, Julie. "Synthèse enzymatique, modélisation moléculaire et caractérisation d'oligomères de flavonoïdes." Thesis, Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL097N/document.
Full textThe aim of this work is the elaboration of rutin and esculin oligomerization process by the laccase from Trametes versicolor. A parallel synthesis process and on-line analysis of reaction media by SEC-UV and MALDI-TOF have been elaborated. The MALDI-TOF analysis has revealed the formation of simple bridges between rutin and esculin units, up to degree of oligomerization of 6 and 9 respectively. An ether bond has been observed by FTIR spectrometry for the rutin oligomers. Finally, the NMR analysis has revealed the formation of C-C and C-O bridges both on phenolic and the sugar parts of the flavonoids. At low pH and temperature, the elongation of the chain is favored, whereas increasing the dielectric constant of the solvent or the temperature favors the production of rutin oligomers. The limitation of oligomers mass is explained by the inhibition of the enzyme, probably due to the highest chelation properties of oligomers. In the case of oligorutin, a decrease of antiradical activity and an increase of xanthine oxidase inhibitory activity have been observed when the oligomers molecular mass increases. In the case of esculin oligomers, these two activities increase with the increase of the oligomers mass. For these two types of oligomers, the water solubility is considerably increased. For the oligorutins, this augmentation has been correlated to a dense network of H-bonds, which has been demonstrated by molecular modeling. Globally, the molecular modeling approach in vacuum and in solvent has allowed to establish structure-activity relationship
Fargeix, Guillaume. "Étude des mécanismes d'oxydation de flavonoïdes en relation avec leur activité antioxydante : effets anti- et pro-oxydants dans l'inhibition de la peroxydation lipidique par les flavonoïdes." Lyon 1, 2000. http://www.theses.fr/2000LYO10281.
Full textViljanen-Tarifa, Eeva Anneli. "Contribution à l'étude des mécanismes d'action cellulaires et moléculaires des flavonoïdes." Paris 12, 1992. http://www.theses.fr/1992PA120055.
Full textTruong, Công Tri. "Nanoformulations pour la protection de flavonoïdes instables : exemple de la quercétine." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA114850.
Full textThis thesis focuses on the development of polyoxylglycérides-based lipid nanoparticles to protect labile APIs, quercetin (a fragile antioxidant flavonoid) in this case. Different nanoparticulate systems were prepared by high pressure homogenization with particle size between 100 to 200 nm. These nanodispersions are very stable over several years at room temperature. Encapsulation of quercetin in compartmented lipid nanoparticles and preparation of nanocrystals have increased significantly its content in the dispersion and effectively improve its physical and chemical stability
Strauel, Philippe. "Nouvelle voie de synthèse des flavanols-3." Mulhouse, 1985. http://www.theses.fr/1985MULH0013.
Full textCrespy, Vanessa. "Etude de l'absorption intestinale et du métabolisme splanchnique des flavonoi͏̈des chez le rat." Clermont-Ferrand 1, 2001. http://www.theses.fr/2001CLF1PP09.
Full textCarrié, Hélène. "Développement de sondes moléculaires appliquées à l’étude de la biosynthèse des flavonoïdes." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR15012/document.
Full textFlavonoids are natural substances known for their anti-inflammatory, anti-cancerous and anti-virals properties in humans. In plants, they are one of the molecules responsible for fighting pathogens. The flavonoid biosynthesis pathway as been greatly studied in plants, especially in that of the grapevine: Vitis vinifera. However, detailed studies of the exact function of the enzymes involved in the last steps of the biosynthesis of anthocyanins and proanthocyanidins remains largely lacking.The study that we propose is to synthesize molecular probes designed to specifically interact with enzymes involved in the last stages of flavonoids biosynthesis. Our probes, based on the emerging chemical proteomic technology, activity- and affinity based protein profiling (ABPP), were validated with a model enzyme: leucoanthocyanidin dioxygenase (LDOX). After which, they were used with complex protein mixtures from Vitis vinifera
Pessel, Freddy. "Synthèse éco-compatible de flavonoïdes fonctionnalisés par le glucose comme antioxydants potentiels." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00986261.
Full textBooks on the topic "Flavonoïden"
M, Andersen Øyvind, and Markham Kenneth R, eds. Flavonoids: Chemistry, biochemistry, and applications. Boca Raton, FL: Taylor&Francis, 2005.
Find full textFlavonoids Advances in Research Since 1986. CRC Press LLC, 2017.
Find full textHarborne, J. B. Flavonoids Advances in Research Since 1986. CRC Press LLC, 2017.
Find full textFlavonoids Advances in Research Since 1986. CRC Press LLC, 2017.
Find full textFlavonoids Advances in Research Since 1986. CRC Press LLC, 2017.
Find full textFlavonoids and related compounds: Bioavailability and functions. Boca Raton: CRC Press, 2012.
Find full textCrozier, Alan, and Jeremy P. E. Spencer. Flavonoids and Related Compounds: Bioavailability and Function. Taylor & Francis Group, 2012.
Find full textCrozier, Alan, and Jeremy P. E. Spencer. Flavonoids and Related Compounds: Bioavailability and Function. Taylor & Francis Group, 2016.
Find full textHarborne, Jeffrey B., Elliott Middleton Jr, and Alain Beretz. Plant Flavonoids in Biology and Medicine II: Biochemical, Cellular, and Medicinal Properties (Progress in Clinical and Biological Research Volume 280). Liss, 1988.
Find full textWallace, Taylor C., and M. Monica Giusti. Anthocyanins in Health and Disease. Taylor & Francis Group, 2013.
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