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- W2997447206 abstract "RESUMEIntroduction. La peau, est un organe complexe dont la fonction premiere est la protection de l’organisme contre les agressions exterieures. La perturbation de son integrite, entraine une plaie. Malgre le progres en matiere de soins des plaies, celles-ci restent un probleme de sante publique dont l’incidence va augmenter avec l’evolution des pathologies comme le diabete et l’obesite. Musanga cecropioides, appartient a la famille des Moracees et est frequemment retrouve dans les forets tropicales d’Afrique. Objectifs. Le but de cette etude etait d'evaluer l'activite de cicatrisation des plaies et la securite de la seve des racines de Musanga cecropioides et de l'extrait aqueux de la plante entiere Acmella caulirhiza. Methodologie. Nous avons d’abord effectue un criblage qualitatif des 2 usines a l’aide de procedures standard avec des concentrations d’usine de 1%. Pour evaluer l'activite de guerison, nous avons eu huit groupes de six rats avec des plaies induites sur sept groupes, apres l'anesthesie, puis le rasage et la coupe des lambeaux de peau apres avoir place un carre de 2,5 cm de longueur et de largeur. Pendant 21 jours, trois doses de notre extrait aqueux (125 mg/kg, 250 mg/kg, 500 mg/kg, plus 3 ml de seve) sous forme de pâte ont ete administrees sur les plaies apres nettoyage a la seve comme traitement pour certains groupes. Lmesitran a ete utilise comme controle positif. L'activite cicatrisante etait evaluer par l'apparence, la vitesse de contraction, la reduction de la surface de la plaie et une analyse des coupes histologiques des plaies etait faite tous les quatre jours. La toxicite orale aigue de nos deux usines a ete evalue conformement a la ligne directrice 420 de l’OCDE. Resultats. Le criblage de la plante entiere Acmella.c a revele: la presence de coumarines, de mucilages et de polyphenols. Celle de Musanga c a revele la presence de saponosides et de polyphenols. En ce qui concerne l’evaluation de l’activite cicatrisante, les groupes ayant recu le traitement a base de plantes (groupe huit), presentaient moins de plaies enflammees que les temoins. Les plaies traitees avec les plantes presentaient une meilleure evolution avec des valeurs significatives au jour 16 avec p <0,05 et 21. Nous avons observe une augmentation non significative du poids corporel des rats, aucune perte d'appetit et aucun deces n'ont ete enregistre. La DL50 n'a pas ete determinee pour les deux plantes a 5000 mg/kg. pour Acmella.c et 3 ml/100g pour Musanga.c. Conclusion. L’utilisation de Musanga.c et Acmella.c entraine une legere acceleration du processus cicatriciel. Ceci confirme l’activite cicatrisante des deux plantes qui leur est attribuee en medecine traditionnelle. Malgre la bonne tolerance constatee chez les rats, les plantes doivent etre utilisees avec precaution.ABSTRACTIntroduction. The skin is a complex organ whose main functions is the protection of the body against external aggressions. The disruption of its integrity causes a wound. Despite progress in wound care, wounds remain classified as public health problems, the incidence of which will increase with the development of certain diseases such as diabetes and obesity. Musanga cecropioides, belongs to the family Moraceae and is frequently found in the tropical forests of Africa. The aim of this study was to evaluate the wound healing activity and safety of Musanga cecropioides roots sap and the aqueous extract of the whole plant Acmella caulirhiza. Methodology. We first carried out a qualitative screening of our two plants using standard procedures in with plant concentrations at 1%. Then the healing activity itself was evaluated. For this, we had eight groups of six rats with wounds induced on seven groups, after anesthesia, then shaving and cutting skin flaps after placing a square of 2.5 cm length and width. For 21 days three doses of our aqueous extract (125mg/kg, 250mg/kg, 500mg /kg, plus 3 mL of sap) in the form of paste were administered on the wounds after cleaning with the sap as treatment for certain groups. Lmesitran was used as a positive control. We evaluated the appearance, rate of contraction, reduction of wound surface, and a histological analysis of sections of the wounds was made every 4 days. Acute oral toxicity of our plants has been assessed according to OECD Guideline 420. Results. Screening of the whole plant Acmella.c revealed: the presence of coumarins, mucilages, and polyphenols. That of Musanga.c revealed the presence of saponosides and polyphenols. Evaluation of the appearance of wounds showed that the groups that received the plant-based treatment (group eight) had less inflamed wounds as compared to the control. Wounds treated with the plants showed better evolution with significant values on day 16 with p <0.05 and 21. We observed a non-significant increase in body weight of rats, no loss of appetite and no deaths. The LD50 was not determined for both plants at 5000 mg/kg for Acmella.c and 3Ml/100g for Musanga.c. Conclusion. The use of Musanga.c and Acmella.c resulted in a slight acceleration of the wound healing process. This suggests that both plants have a healing activity completely consistent with their recognized efficacy in traditional medicine. Although both plants were well tolerated by rats, they will have to be used with caution." @default.
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- W2997447206 title "Screening Phytochimique, Activité Cicatrisante et Toxicité Aigüe de la Sève des Racines de Musanga cecropioides et de l’Extrait Aqueux de la Plante Entière Acmella caulirhiza sur des Rats de la Souche Wistar" @default.
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