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Статті в журналах з теми "Produits du palmier – Composition chimique"
Colin, F., Y. Noack, J. J. Trescases, and D. Nahon. "L'alteration lateritique debutante des pyroxenites de Jacuba, Niquelandia, Bresil." Clay Minerals 20, no. 1 (March 1985): 93–113. http://dx.doi.org/10.1180/claymin.1985.020.1.08.
Повний текст джерелаFdil, F., J. J. Aaron, N. Oturan, A. Chaouch, and M. A. Oturan. "Dégradation photochimique d'herbicides chlorophenoxyalcanoïques en milieux aqueux." Revue des sciences de l'eau 16, no. 1 (April 12, 2005): 123–42. http://dx.doi.org/10.7202/705501ar.
Повний текст джерелаElaieb, Mohamed Tahar, Ahmed Namsi, Marie Tella, Gaël Senecal, Marie-France Thevenon, and Kévin Candelier. "A natural ancestral saltwater treatment to modify the technological properties of date palms." BOIS & FORETS DES TROPIQUES 338 (February 11, 2019): 15. http://dx.doi.org/10.19182/bft2018.338.a31676.
Повний текст джерелаCortezzi, Francisco Martins. "Au-delà de la forêt : la géo-dynamique de l’açaí brésilien dans la ville de Paris." Caderno de Geografia 31, no. 65 (April 22, 2021): 318. http://dx.doi.org/10.5752/p.2318-2962.2021v31n65p318.
Повний текст джерелаAGABRIEL, C., J. B. COULON, C. JOURNAL, and B. DE RANCOURT. "Composition chimique du lait et systèmes de production dans les exploitations du Massif Central." INRAE Productions Animales 14, no. 2 (April 16, 2001): 119–28. http://dx.doi.org/10.20870/productions-animales.2001.14.2.3733.
Повний текст джерелаBastianelli, Denis, and Laurent Bonnal. "Evaluation de la qualité des produits du canard gras." Revue d’élevage et de médecine vétérinaire des pays tropicaux 67, no. 3 (June 27, 2015): 135. http://dx.doi.org/10.19182/remvt.10176.
Повний текст джерелаMansour, Hedi Ben, Oualid Boughzala, dorra Dridi, Daniel Barillier, Leila Chekir-Ghedira, and Ridha Mosrati. "Les colorants textiles sources de contamination de l’eau : CRIBLAGE de la toxicité et des méthodes de traitement." Revue des sciences de l’eau 24, no. 3 (November 28, 2011): 209–38. http://dx.doi.org/10.7202/1006453ar.
Повний текст джерелаNtsoumou, M. V., P. P. Adzona, T. M. Ndoulou, and Mboko H. Banga. "Rendement et Composition Chimique du Tourteau de Tetracarpidium conophorum (Müll. Arg.) Hutch. & Dalz Produit par Pression Mécanique et Hydrodistillation." European Scientific Journal, ESJ 19, no. 36 (December 31, 2023): 175. http://dx.doi.org/10.19044/esj.2023.v19n36p175.
Повний текст джерелаBrunswic, Léa, Frédéric Angeli, Patricia Hee, Peggy Georges, and Stéphane Gin. "Altération des verres industriels en milieux aqueux et atmosphérique : mécanismes, cinétiques, caractérisations." Matériaux & Techniques 110, no. 4 (2022): 402. http://dx.doi.org/10.1051/mattech/2022024.
Повний текст джерелаCortezzi, Francisco. "CIRCULATION COMMERCIALE DE L'AÇAI BRESILIEN (1999-2016) : LE RESEAU GEOGRAPHIQUE INTERNATIONAL, SES NŒUDS, SES FLUX ET SES NOUVELLES FORMES DE PRODUCTION ET DE REPRODUCTION DANS L’ESPACE." Revista GeoUECE 9, no. 16 (September 23, 2020): 33–62. http://dx.doi.org/10.59040/geouece.2317-028x.v9.n16.33-62.
Повний текст джерелаДисертації з теми "Produits du palmier – Composition chimique"
Denagbe, Wilfried. "Lipides et polysaccharides extraits du fruit du palmier Acrocomia aculeata (moucaya) : Structures, propriétés antioxydantes, émulsifiantes et formation de nano-vecteurs." Electronic Thesis or Diss., Guyane, 2023. http://www.theses.fr/2023YANE0006.
Повний текст джерелаAcrocomia aculeata (« moucaya », French Guiana creole) is a palm native to French Guiana and the Amazon. Although its fruits are rich in lipids (0.1 to 83% of fresh matter for the mesocarp fruit) and carbohydrates (6 to 98% of fresh matter for them esocarp fruit), only lipi ds are valued as source of biofuels (biodiesel and biokerosene) in the Amazon sub region, due to a lack of knowledge about thechemical nature of carbohydrates. In FrenchGuiana, the fruit is not subject to any valorizationand its antioxidant capacities remain poorly known.To overcome this situation, this thesis work focuses on the extraction, physico chemical and structural characterization of the lipids and carbohydrates (mono --, di --, oligo and polysaccharides) constitutive of the fruit. An evaluation of their antioxidant oremulsifying properties, was also considered. Ourexperiments showed that fruit mesocarps contain 717% oil compared to rich fresh mesocarp, with a chemical composition dominated by oleic (54 62%) and palmitic (23 29%) acids, in line with literature results (53 78 and 11 30% respectively). Regarding carbohydrates, this work identified for the first time the presence of original glucomannanoligo and polysaccharides (fraction F2, 11 22% offresh mesocarp) with remarkable e mulsifyingproperties observed in the case of oligomers (waterin olive oil system (25/75, v v ) at 1% w/v; stability >6 months). In terms of antioxidant activity, the fruit showed no note worthy properties. This preliminary work paves the way for future in vestigations aimed at developing applications for these new glucomannans in the cosmetics, food, and pharmaceutical industries
Bony, Emilie. "Composition chimique et propriétés anti-inflammatoires de l'huile de pulpe d'awara (Astrocaryum vulgare M.)." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20130/document.
Повний текст джерелаAwara (Astrocaryum vulgare M.) is a palm fruit mainly used for nutritional purpose because of its oily pulp. The aim of this study was to characterize awara pulp oil and evaluate its anti‑inflammatory properties in different experimental models. The pulp oil, whose major fatty acids are oleic and palmitic acid, showed a high content of carotenoids. The minor compounds identified are mainly represented by β‑carotene (carotenoids), β‑sitosterol, arundoin (phytosterols) and α‑tocopérol. The pulp oil showed anti‑inflammatory effects in an in vivo model of endotoxic shock by inhibiting the production of proinflammatory cytokines (tumor necrosis factor α (TNFα), interleukin (IL)‑6) and increasing the production of an anti‑inflammatory cytokine (IL‑10). These anti‑inflammatory effects have been confirmed in an in vivo model of airway inflammation. The pulp oil has reduced the influx of inflammatory cells in the lungs, mainly of eosinophils and lymphocytes. The unsaponifiable fraction has subsequently shown inhibitory effects on the production of various inflammatory mediators (nitric oxide, prostaglandin E2, TNFα, IL‑6, IL‑10) and on the expression of enzymes induced during inflammation (iNOS and COX‑2) in an in vitro model of activated macrophages. The unsaponifiable fraction also showed an inhibitory effect on cytokine production (TNFα, IL‑6 and IL‑10) in endotoxic shock model. These results confirm the role of micronutrients of awara pulp oil in its anti‑inflammatory properties and suggest a preventive and/or therapeutic role of awara pulp oil and its unsaponifiable fraction in inflammation‑related diseases
Hudiyono, Pws Sumi. "Analyse de matières grasses hydrogénées et influence de l'oxydation sur les compositions et propriétés physiques du beurre de cacao." Compiègne, 1992. http://www.theses.fr/1992COMPD452.
Повний текст джерелаRevel, Gilles de. "Le diacétyle, les composés dicarbonyles et leurs produits de réduction dans le vin." Bordeaux 2, 1992. http://www.theses.fr/1992BOR20190.
Повний текст джерелаKamleh, Rabih. "Composition physico-chimique des différents laits de la plaine de la Bekaa : composition et caractéristiques rhéologiques des différents beurres produits." Vandoeuvre-les-Nancy, INPL, 2005. http://www.theses.fr/2005INPL026N.
Повний текст джерелаCows' milk characteristics, milk fat and the rheological properties of different produced butters in four different regions in the Bekaa valley in Lebanon have been studied. Major milk components, milk fats and butter characteristics have shown significant seasonal and regional variations. The major milk components were high during the cold period due to the minimal milk production and the feed composition. Two different peaks of the somatic cell count have been noticed: the first during the fall season related to the hygiene situation of the farms and the second during the spring season related to the high calving rate. The short chain fatty acids were high during the cold period due to the stage of lactation. The long chain fatty acids variations were related to the feed composition. The solid fat content (SFC) and the fusion's enthalpy (J/g) of high melting triacylglycerols were high during the cold period in ail the districts with an exception in Central Bekaa where the impact of the feeding composition was clear. The butters' humidity was high during the hot season. Significant fluctuations of the rheological properties have been identified in fall season probably related to the triacylglycerols compositions' variations. Significant correlations were established between the rheological characteristics of butters (hardness, cohesiveness and suppleness) the composition and the characteristics of milk fat (short and long fatty acids and fusion's enthalpy oftriacylglycerols)
LE, BRAS PHILIPPE. "Les moyens du medecin du travail pour la determination de la composition des produits toxiques dans le monde du travail." Nantes, 1988. http://www.theses.fr/1988NANT099M.
Повний текст джерелаBourjot, Mélanie. "Recherche d'inhibiteurs de la réplication du virus Chikungunya issus de la biodiversité tropicale." Paris, Muséum national d'histoire naturelle, 2012. http://www.theses.fr/2012MNHN0015.
Повний текст джерелаIn order to discover inhibitors of viral replication of chikungunya (CHIKV), a screening was performed on 685 malagasy plants. Two species were selected: Flacourtia ramontchi (Salicaceae) and Anacolosa pervilleana (Olacaceae). The bioguided fractionation of the first species led to the isolation of eleven molecules of which ten were phenolic glycosides and six were new, while the study of Anacolosa pervilleana led to the characterization of seven molecules amongst which four polyacetylenic acids, two terpenoids and one cyanogenic glycoside. Unfortunately, these molecules have not shown any activity on CHIKV replication. Since a potent anti-CHIKV activity of a daphnane diterpenoid orthoester (DDO) isolated from a Trigonostemon species was discovered by serendipity, we have engaged chemical investigations of two species of Trigonostemon (Euphorbiaceae) : T. Cherrieri and T. Howii. The study of the EtOAc extract obtained from T. Cherrieri leaves led to the isolation of eight DDOs amongst which two were new. These molecules showed potent and selective antiviral activity on CHIKV replication. The study of the EtOAc bark extract of T. Howii allowed isolating seven compounds amongst which one new tigliane, four coumarins and two phenylpropanoids. The tigliane-type compound showed a moderate activity on CHIKV. This result led us to biologically investigate other tigliane diterpenoids amongst which phorbol 12-myristate 13-acetate had shown the most powerful anti-CHIKV activity ever found to date
FLEURY, NATHALIE. "Obtention, composition chimique et proprietes physico-chimiques de fibres alimentaires issues de co-produits de l'extraction des alginates." Nantes, 1993. http://www.theses.fr/1993NANT2001.
Повний текст джерелаLaxalde, Jérémy. "Analyse des produits lourds du pétrole par spectroscopie infrarouge." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10022/document.
Повний текст джерелаThe aim of this study is to develop an alternative analysis for the characterisation of heavy oil products. Predictive chemometric models have been developed by mid-infrared (MIR) and near infrared (NIR) spectroscopies. This work has principally concerned the predictive model optimisation of saturate, aromatic, resin and asphalten contents (SARA). A simultaneous optimisation procedure of spectral data pre-processing methods and variable selection by genetic algorithms was evaluated. This approach has permitted to lead to the best NIR predictions and to show the interpretation potentialof selected variables. A comparative study of MIR and NIR spectroscopies for the development of heavy oil property predictive model was also performed. Results have shown that NIR spectroscopy was globally better for our application. It has been shown that spectroscopic data fusion can improve predictive power of models. The obtained results have shown that it seems however necessary that both spectroscopy, considered separately, have to lead to similar predictive power to expect an predictive power improvement when combining MIR and NIR. The interpretation potential of multiblock has been confirmed for the identification of MIR and NIR specific information. Finally, models developed for the prediction of density, contents of SARA, Conradson carbon, hydrogen, sulphur and nitrogen were judged satisfactory for an application at laboratory
Aouni, Abdessamad. "Aptitude à l'amorphisation par pulvérisation cathodique des systèmes Ni-C Co-C, Mn-C et étude structurale des produits de synthèse et de cristallisation." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL091N.
Повний текст джерелаКниги з теми "Produits du palmier – Composition chimique"
Ontario. Esquisse de cours 12e année: Sciences de l'activité physique pse4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
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