Academic literature on the topic 'Extraits de plantes – usage thérapeutique'
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Journal articles on the topic "Extraits de plantes – usage thérapeutique"
Oyedum, U. M., F. A. Kuta, S. A. Garba, and S. O. Enejiyon. "Comparative analysis of the phytochemical and antibacterial activity of the root extracts of Euphorbia heterophylla and Vitellaria paradoxa." African Journal of Clinical and Experimental Microbiology 22, no. 4 (September 27, 2021): 504–14. http://dx.doi.org/10.4314/ajcem.v22i4.11.
Full textGaudillière, Jean-Paul. "Une marchandise scientifique ? Savoirs, industrie et régulation du médicament dans l'Allemagne des années trente." Annales. Histoire, Sciences Sociales 65, no. 1 (February 2010): 89–120. http://dx.doi.org/10.1017/s0395264900026214.
Full textOuattara, Etienne Katinan, Kiyinlma Coulibaly, Théodore Dibié Etien, and Noël Guédé Zirihi. "Etude ethnobotanique de plantes antifongiques utilisées traditionnellement en Côte d’Ivoire et du potentiel de Piliostigma Thonningii (schumach.) milneredh. (Fabaceae) dans le contrôle de souches telluriques." International Journal of Biological and Chemical Sciences 14, no. 1 (April 3, 2020): 239–53. http://dx.doi.org/10.4314/ijbcs.v14i1.20.
Full textYarou, Boni Barthélémy, Pierre Silvie, Françoise Assogba Komlan, Armel Mensah, Taofic Alabi, François Verheggen, and Frédéric Francis. "Plantes pesticides et protection des cultures maraichères en Afrique de l’Ouest (synthèse bibliographique)." BASE, 2017, 288–304. http://dx.doi.org/10.25518/1780-4507.16175.
Full textTia, E. V., A. A. Adima, and C. Menut. "Étude des caractéristiques physicochimiques et de l’activité antifongique des huiles essentielles d’Erigeron floribundus (Kunth.) Sch. Bip." Phytothérapie, 2021. http://dx.doi.org/10.3166/phyto-2021-0289.
Full text"Plantes à usage médicinale en élevage d’ovins à Sinématiali (Nord de la Côte d’Ivoire)." Journal of Animal & Plant Sciences, July 31, 2019, 6828–39. http://dx.doi.org/10.35759/janmplsci.v41-1.9.
Full textDissertations / Theses on the topic "Extraits de plantes – usage thérapeutique"
Meunier, Thomas. "Étude des mécanismes d’action de nouveaux inhibiteurs de coronavirus humains." Thesis, Université de Lille (2018-2021), 2021. http://www.theses.fr/2021LILUS057.
Full textCoronaviruses are enveloped RNA viruses infecting mammals and birds. Four coronaviruses causing mild diseases, like common cold, have been described in human, HCoV-OC43, HCoV-229E, HCoV-NL63 and HCoV-HKU1. During the last two decades, three new, highly pathogenic coronaviruses have been identified the SARS-CoV (Severe Acute Respiratory Syndrom) in 2003, the MERS-CoV (Middle East Respiratory Syndrome) in 2012 and recently the SARS-CoV-2 in December 2019. The COVID-19 global outbreak caused by SARS-CoV-2, highlighted the lack of specific antiviral available against this family of virus. The team of Dr Karin SERON from the Cellular and Molecular Virology laboratory of the Center for Infection and Immunity of Lille, is specialized in the identification of antiviral compounds from natural origin. Indeed, plants are a source of natural therapeutic compounds and many plants are still being used in traditional medicine. The aim of my thesis was to identify natural antiviral agents against highly pathogenic human coronaviruses with the help of the knowledge and tools developed by the laboratory. My first project was carried out in collaboration with the group of Dr Simon Bordage from the Pharmacognosy laboratory of the Faculty of Pharmacy of Lille directed by Pr Sevser Sahpaz. Plant extracts from Ivorian plants used it traditional medicine were tested against the coronavirus HCoV-229E and we selected the most active, the Mallotus oppositifollius extract. After bio-guided fractionation, the active compound was isolated and characterized, the pheophorbide a (Pba). Pba is able to inhibit the infection of HCoV-229E and highly pathogenic coronaviruses MERS-CoV and SARS-CoV-2 (IC50 = 0.18 μM) as well as other enveloped viruses using a photo-dynamic inactivation mechanism. Pba targets the viral envelop and inhibits the fusion step. Pba is the first described natural antiviral against SARS-CoV-2 with direct photosensitive virucidal activity. This molecule could potentially be used in therapy or as disinfectant. My second project was about an anthocyanidin, the delphinidin, identified in the laboratory for its antiviral activity against hepatitis C virus. We showed that delphinidin is an entry inhibitor of coronaviruses in a dose-dependent manner for HCoV-229E, MERS-CoV and SARS-CoV-2 (IC50 = 16-20 μM). Our results show that delphinidin targets the glycosylation sites on the surface protein S. Thanks to a collaboration with the laboratory of Medicinal and Bioorganic Chemistry of Strasbourg, led by Dr Mourad Elhabiri, delphinidin synthetic derivates were screened in order to identify compounds with higher antiviral capacities. We thereby identify an active compound against HCoV-229E with a lower IC50 than delphinidin (IC50 = 0.06 μM). Surprisingly, its mechanism of action seems to be different than delphinidin with an activity at the replication step.In conclusion, during my thesis I was able to identify new natural antivirals against human coronaviruses, and in particular SARS-CoV-2, with novel mechanisms of action. This work may serve as a basis for obtaining molecules that can be used in the future for the treatment of coronavirus diseases
Traoré, Fanta. "Evaluation de l'activité antipaludique de Glinus oppositifolius (L. ) Aug. D. C. , Nauclea latifolia SM. , Mitragyna inermis (Willd. ) O. Kuntze : trois plantes utilisées en médecine traditionnelle au Mali." Aix-Marseille 2, 1999. http://theses.univ-amu.fr.lama.univ-amu.fr/1999AIX20664.pdf.
Full textLuigi, Manon. "Etude des propriétés antimutagènes de l'Harpagophytum procumbens et de l'harpagoside : Généralisation aux plantes anti-inflammatoires." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM5074.
Full textCancer is a multifactorial disease in which the first step is often a mutation in the genome. It is then possible to prevent the onset of the disease by limiting the occurrence of mutations. Benzo (a) pyrene (BaP) and 1-nitropyrene (1-NPY) are two widespread mutagens and carcinogens in our environment. These two compounds produce an inflammatory response in humans which in turn induces oxidative stress leading to gene mutations. The objective of this study was to investigate the antimutagenic activity of seven medicinal plants and two natural anti-inflammatory molecules, especially in Harpagophytum procumbens (HP) with its major iridoid: harpagoside. However, also to check whether the anti-inflammatory activity may be related to antimutagenic activity. The antimutagenic activity was investigated with chromosomal mutations using the in vitro cytokinesis-block micronucleus assay in primary cultures of human lymphocytes, and at the point mutations using the Ames test. All HP extracts, except for the methanol extract, showed a significant anti-mutagenic activity in the micronucleus test. No antimutagenic activity could be detected by the Ames assay. For the six other anti-inflammatory plants, more than half of the extracts possessed an antimutagenic activity. We have shown that the antioxidant property was not responsible for the antimutagenic activity. Thus, it is likely that other mechanisms of action are involved, such as anti-adduct mechanism, inhibition of metabolism or inhibition of inflammation (NF-ĸB). This is the first report of antimutagenic properties of anti-inflammatory plants and more particularly of the Harpagophytum procumbens
Desgrouas, Camille. "Etude de l'activité antipaludique de la cépharanthine isolée de stephania rotunda lour. : approche analytique, transcriptomique et pharmacocinétique." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5097.
Full textThis PhD focuses on the study of the antimalarial activity of cepharanthine. Two green extraction methods, using microwave and ultrasound, have been proposed. The antiplasmodial activity was evaluated by calculating the concentration inhibiting 50 % of parasite growth. Potential targets were evaluated by studying the variation of gene expression. At the microscopic level, cepharanthine seemed to inhibit the parasite growth and to block parasite at the ring stages. The transcriptomic assay showed that cepharanthine seems to have an impact on the transport of Plasmodium proteins to the red blood cell surface, on organellar functions necessary for the survival of the parasite, and on the interactions between infected red blood cells and the endothelium or healthy red blood cells. The study of combination therapies showed that cepharanthine appears to potentiate some antimalarial compounds. A quantitative analysis of cepharathine in mouse plasma allowed performing a pharmacokinetic study. Cepharanthine could be an interesting lead to the development of new antimalarial drugs
Books on the topic "Extraits de plantes – usage thérapeutique"
Les plantes médicinales: Encyclopédie pratique. Montréal: Sélection du Reader's Digest, 1995.
Find full textWorld Health Organization. Regional Office for South-East Asia., ed. Herbal medicine for human health. New Delhi: World Health Organization, Regional Office for South-East Asia, 1992.
Find full textBernadet, Marcel. La Phyto-aromathérapie pratique : Usage thérapeutique des plantes médicinales et des huiles essentielles. Dangles, 1999.
Find full textDerek, Chadwick, Marsh Joan, Sathāban Wičhai Čhulāphō̜n (Bangkok, Thailand), and Symposium on Bioactive Compounds from Plants (1990 : Bangkok, Thailand), eds. Bioactive compounds from plants. Chichester [England]: John Wiley & Sons, 1990.
Find full textBook chapters on the topic "Extraits de plantes – usage thérapeutique"
Hammiche, Victoria, Rachida Merad, and Mohamed Azzouz. "Prise en charge thérapeutique et analytique." In Plantes toxiques à usage médicinal du pourtour méditerranéen, 21–23. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0375-3_3.
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