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Academic literature on the topic 'Acides gras insaturés dans l'alimentation humaine'
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Journal articles on the topic "Acides gras insaturés dans l'alimentation humaine"
NAU, F., Y. NYS, Y. YAMAKAWA, and S. REHAULT-GODBERT. "Intérêt nutritionnel de l’œuf en alimentation humaine." INRAE Productions Animales 23, no. 2 (April 10, 2011): 225–36. http://dx.doi.org/10.20870/productions-animales.2010.23.2.3303.
Full textSCHMIDELY, P., and D. SAUVANT. "Taux butyreux et composition de la matière grasse du lait chez les petits ruminants : effets de l’apport de matières grasses ou d’aliment concentré." INRAE Productions Animales 14, no. 5 (December 17, 2001): 337–54. http://dx.doi.org/10.20870/productions-animales.2001.14.5.3760.
Full textDissertations / Theses on the topic "Acides gras insaturés dans l'alimentation humaine"
Benichou, Sophie. "Rôle des acides polyinsaturés dans l'alimentation." Paris 5, 1988. http://www.theses.fr/1988PA05P011.
Full textBernard, Christine. "Préparation de glycérophospholipides enrichis en aicdes docosahexaénoï͏̈que : étude de leurs effets chez le lapin néo-zélandais hypercholestérolémique." Aix-Marseille 3, 1995. http://www.theses.fr/1996AIX30023.
Full textBabin, François. "Effets de la supplémentation des laits artificiels avec l'acide [alpha]-linolénique sur les lipides plasmatiques et érythrocytaires du prématuré." Montpellier 1, 1993. http://www.theses.fr/1993MON13511.
Full textPueyo, Sophie. "Histoire naturelle et évolution sous traitement d'adultes infectés par le virus de l'immunodéficience humaine de type 2 en France." Bordeaux 2, 2004. http://www.theses.fr/2004BOR21188.
Full textThe HIV-2 infection is different from HIV-1 infection in its least pathogenicity, but the reasons are not clearly identified. This thesis is about the HIV-2 infection in adults in France, based on the data collected within an ongoing prospective cohort study of infected patients, initiated in 1994. This work presents the analysis of the collected data under various aspects. First the patients are described on clinical, epidemiological and immuno-virological aspects. Then, a study of the predictive factors of clinical progression of the disease are presented. The third part tackles about the antiretroviral treatments with a study about the side effects of the treatments, in particular lipodystrophy and metabolic abnormalities, an analysis of the incidence of clinical events according to the therapeutic status, and an analysis of the immunological and virological response after starting a triple nucleosidic analogs combination treatment
Grenier, Geneviève. "Impact de la consommation d'acides gras trans naturels et industriels sur le métabolisme des lipoprotéines." Master's thesis, Université Laval, 2008. http://hdl.handle.net/20.500.11794/20416.
Full textLes acides gras trans (AGT) proviennent de deux sources différentes dans l'alimentation : 1) des procédés industriels d'hydrogénation des huiles végétales insaturées et 2) de la biohydrogénation des acides gras insaturés par les bactéries naturellement présentes dans le rumen des ruminants. La consommation d'AGT d'origine industrielle (AGTi) augmente le risque de maladies cardiovasculaires. Toutefois, les effets de la consommation d'AGT d'origine naturelle (AGTn) demeurent inconnus. L'objectif de ce mémoire est de comparer les effets, gramme pour gramme, des AGTn et d'AGTi sur le métabolisme in vivo des HDL et des LDL. Les résultats suggèrent que la consommation d'une quantité élevée d'AGTn, en opposition aux AGTi, a un effet minimal sur la cinétique in vivo des HDL. Il ne semble pas y avoir de différence importante entre la consommation de quantités élevées d'AGTn et d'AGTi sur les taux de catabolisme et de production des différentes fractions de lipoprotéines contenant de l' apoB-l 00.
Sansonetti, Agnès. "Le régime crétois, mythe ou réalité ? /." Paris : F.-X. de Guibert, 2003. http://catalogue.bnf.fr/ark:/12148/cb39034885m.
Full textMunier, Sylvie. "Préparation d'actifs contre les stress oxydant et carbonylé in vivo (réaction de Maillard)." Montpellier 1, 2007. http://www.theses.fr/2007MON13521.
Full textBellenger, Jérôme. "Régulation de la biosynthèse des acides gras insaturés : influence des acides gras alimentaires et effets de l'hypertension artérielle chez le rat SHR." Dijon, 2002. http://www.theses.fr/2002DIJOS066.
Full textIn order to understand how a diet rich in purified fatty acids may affect essential fatty acid (EFA) biosynthesis, in the first part of this work male Wistar rats were fed a diet containing either ISIO4 oil (groupT), or oleic acid 18:1n-9 (groupA), or linoleic acid 18:2n-6 (groupB), or a-linolenic acid (groupC) as the only source of fatty acids. Our results show a decreased D9 desaturase activity in all experimental groups as compared with control group. D6n-6 desaturase activity increased in groups A and B when D6n-3 desaturase activity increased in groups B and C. D6 desaturase and Stearoyl CoA desaturase gene expression reflect the enzymes activities, and related to a significant decrease in liver n-6 fatty acids, for the benefit of n-3 fatty acids in groupC. Our results indicate that these diets affect differently the D6n-6 and D6n-3 desaturase activities. Specific ways of regulation for the two corresponding pathways may be recalled. In the second part of this work, we investigated, in Spontaneously Hypertensive Rats (SHR), the effect of a n-6 and n-3 concentrate containing eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA) and gamma-linolenic acid (GLA) on blood pressure, hepatic steatosis and on liver expression of SCD1. Our results show a decrease of blood pressure and SCD1 gene expression in SHR rats. 18:1n-9, GLA and arachidonic acid (20:4n-6) levels decreased, when 18:2n-6 , 20:3n-6, EPA and DHA increased. These results confirm that such a concentrate may be considered as an active nutrient lowering blood pressure in SHR. Such mix induced changes in unsaturated fatty acid metabolism, leading to a decrease of the steatosis generally observed in SHR. Moreover, no change in D6n-6 activity was observed when primary cultured hepatocytes were treated with such a concentrate
Merlin, Jean-François. "Régulation de la biosynthèse des acides gras polyinsaturés chez le rat spontanément hypertendu SHR : influence d'une inhibition pharmacologique de la Delta-6 désaturase et effets d'un régime enrichi en isomères conjugués de l'acide linoléique (CLA)." Dijon, 2006. http://www.theses.fr/2006DIJOS011.
Full textArterial hypertension (AHT) frequently coexists with numerous metabolic abnormalities, particularly abnormalities of polyunsaturated fatty acids (PUFA) composition. Delta-6 desaturase (D6D) is the key step enzyme of hepatic PUFA biosynthesis. D6D is partially inhibited during AHT in spontaneously hypertensive rat (SHR). The consequences of such an inhibition of PUFA biosynthesis on AHT and on hepatic lipid metabolism remain to be investigated. We firstly generated a pharmacological chronic D6D inhibition. This treatment, in addition to block PUFA biosynthesis, exacerbates lipid abnormalities usually shown in SHR, without changing blood pressure. Then, we performed a CLA supplementation (cis-9 trans-11, or trans-10 cis-12 linoleic acids) in SHR. Each isomer activates D6D and corrects some of the lipid abnormalities reported in SHR, while slowing AHT evolution. Moreover, PPARγ and SREBP1c transcription factors could be involved in such SHR hepatic metabolic dysfunctions
Gladine, Cécile. "Intérêt des extraits végétaux riches en polyphénols dans la prévention de la lipoperoxydation chez le rat et le mouton reçevant des régimes supplémentés en AGPI n-3." Clermont-Ferrand 1, 2006. http://www.theses.fr/2006CLF1MM16.
Full textThe addition of n-3 PUFA in diets is recommended in animal husbandry to improve the health value of animal products. However, this feeding practice enhances lipoperoxidation and alters the health of animals as well as the quality of their products. In this context, it is recommended to add antioxydants in diets but the exclusive use of vitamin E is critized. The aim of this work was to select and test new sources of antioxydants, natural and bioefficient in animals fed n-3 PUFA-enriched diets. We focused our research on plant extracts rich in polyphenols (PERP) and the 1st step consisted in selecting four PERP (i. E. , rosemary, grape, citrus and marigold) suitable to animal nutrition and potentially efficient. During the 2nd step, we investigated the in vivo efficiency of the 4 PERP in rats fed a n-3 PUFA-enriched diet. The daily consumption of the PERP (5g/kg) for 3 weeks decreased the extent of lipoperoxidation in plasma and liver, irrespective of the source. However, it appeared that the 4 PERP acted according to distinct mechanisms. The 3rd step consisted in investigating the in vivo efficiency of the PERP in ruminant given n-3 PUFA rich diet. The PERP, administrated as a single acute dose (10% DM) directly in the rumen of sheep, improved the total antioxidative status of plasma and reduced lipid susceptibility to lipoperoxidation. This experiment also revealed that the 4 PERP acted by a complementary mechanism of action and a different time. The 4th step was conducted to compare the bioefficiency of a mixture of the 4 PERP (PERPs, 10 g/kg) with that of vitamin E (VitE, 200 mg/kg) and to investigate their synergy of action (PERPs+VitE) in sheep given n-3 PUFA enriched diets. PERPs were more efficient than VitE to increase the resistance of plasma lipids to lipoperoxidation but the association of PERPs+VitE improved the efficiency of reduction of production of peroxidated lipids. Finally, the 5th step was undertaken to compare the bioefficiency of PERPs, VitE or PERPs+VitE in sheep exposed to oxidative stress. In this case, only the association of PERP+VitE was bioefficient. In conclusion, this work allowed identifying new types of antioxidants, naturals and able to optimize the action of vitamin E. Only the association of these 2 types of antioxidant efficiently prevent lipoperoxidation in animals fed n-3 PUFA enriched diets and exposed to oxidative stress
Books on the topic "Acides gras insaturés dans l'alimentation humaine"
Dominique, Laty, ed. Le régime crétois: Bienfaits et recettes pour la vie d'aujourd'hui. Paris: France loisirs, 2001.
Find full text-, Laty Dominique 19, Hussenot Pierre 19 -, and Cabannes Pierre 19 -, eds. Régime crétois: Bienfaits et délices. Paris: Hachette Pratique, 2005.
Find full textTadao, Yasugi, Hakamura Haruo, and Soma Masayoshi, eds. Advances in polyunsaturated fatty acid research: Proceedings of the 5th Scientific Meeting of the Society for Research on Polyunsaturated Fatty Acids (PUFA), Tokyo, 11-14 November 1992. Amsterdam: Excerpta Medica, 1993.
Find full textUmberto, Bracco, Deckelbaum Richard J, and Nestlé Nutrition Services, eds. Polyunsaturated fatty acids in human nutrition. New York: Raven Press, 1992.
Find full textCanada. Groupe d'étude sur les graisses trans. Transformer l'approvisionnement alimentaire: Rapport du Groupe d'étude sur les graisses trans. Ottawa, Ont: Santé Canada, 2006.
Find full textFrappier, Renée. Le guide des bons gras. 2nd ed. [Longueuil, Québec]: Éditions Maxam, 1999.
Find full textSally, Brown, L'Abbé Mary R. 1952-, and Canada Health Canada, eds. Transforming the food supply: Report of the Trans Fat Task Force. [Ottawa]: Trans Fat Task Force, 2006.
Find full textGervais, Gérard. Les oméga-3 pour guérir: Prévention, soulagement, rémission des malaises et maladies de type chronique. Montréal: Guérin, 2004.
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