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World Journal of Gastroenterology 2009年第24期15卷 2975-2979页

作者： nnenna okpara Bassam Aswad Gyorgy Baffy Division of Gastroenterology Department of Medicine Rhode Island Hospital and Alpert Medical School of Brown University Department of Pathology Rhode Island Hospital and Alpert Medical School of Brown University

Eosinophilic colitis (EC) is a rare form of primary eosinophilic gastrointestinal disease with a bimodal peak of prevalence in neonates and young adults. EC remains a little understood condition in contrast to the increasingly recognized eosinophilic esophagitis. Clinical presentation of EC is highly variable according to mucosal, transmural, or serosal predominance of inflammation. EC has a broad differential diagnosis because colon tissue eosinophilia often occurs in parasitic infection, drug-induced allergic reactions, inflammatory bowel disease, and various connective tissue disorders, which require thorough searching for secondary causes that may be specifically treated with antibiotics or dietary and drug elimination. Like eosinophilic gastrointestinal disease involving other segments of the gastrointestinal tract, EC responds very well to steroids that may be spared by using antihistamines, leukotriene inhibitors and biologics.

关键词： Eosinophilia Colitis Gastrointestinal disease Ascites

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Evaluation of larvicidal efficacy and phytochemical potential of some selected indigenous plant against <i>Anopheles gambiense</i>and <i>Culex quinquefasciatus</i>

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Advances in Bioscience and Biotechnology 2013年第12期4卷 1128-1133页

作者： Love Nma Allison Kelechi Stanley Dike Finnian Nlemadim Opara Monica Nweke Ezike Anthonia nnenna Amadi Department of Animal and Environmental Biology Imo State University Owerri Nigeria Department of Biology Federal University of Technology Owerri Nigeria Department of Biotechnology Federal University of Technology Owerri Nigeria Department of Zoology Micheal Okpara Federal University of Agriculture Umudike Nigeria Microbiology Unit Department of Science Laboratory Technology Imo State Polytechnic Umuagwo Nigeria

Azadirachta indica, Citrus sinensis, Cymbopogon citratus and Annona squamosa were screened and evaluated for their phytochemical composition and larvicidal effects on Anopheles gambiense and Culex quinquefasciatus. The bioassay results showed that the effects were dependent on time and concentration of extract used. Cymbopogon citratus and Citrus sinesis at 20 mg/ml had the highest mortality effect on Anopheles gambiense after 72 h. Citrus sinensis was more effective against Culex quinquefasciatus. Aqueous extracts of these plants were found to have less larvicidal effect against the mosquito vectors. Phytochemical analysis showed the presence of flavonoids in all herbs. Alkaloids were present in Citrus sinensis, Cymbopogon citratus and Annona squamosa while Citrus sinesis and Azadirachta indica were positive for tannins.

关键词： Azadirachta indica Citrus sinensis Cymbopogon citratus Annona squamosa Anopheles gambiense Culex quinquefasciatus Larvicidal Mosquitoes Effect

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