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Avicenna Journal of Phytomedicine، جلد ۱۰، شماره ۶، صفحات ۵۸۴-۵۹۳
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عنوان انگلیسی Phytochemical, anti-inflammatory and analgesic properties of stembark extract and fractions of Lonchocarpus sericeus Poir. (Papilionaceae) in albino mice
چکیده انگلیسی مقاله Objective: Lonchocarpus sericeusstembark decoction has been extensively employed in folkloric medicine in many parts of Nigeria as a remedy for pain as well as inflammation. The plant was studied for its anti-inflammatory as well as analgesic potency using standard biological models. Materials and Methods: The stembark of L. sericeus was evaluated for anti-inflammatory properties using egg albumin and xylene-induced oedema models. The pain-relieving property was evaluated using acetic acid-induced writhing and thermally-induced pain models. Median lethal dose determination (intraperitoneal LD50), quantification of some phytochemicals as well as phytochemical screening were also performed. Results: The LD50 of stembark extract of L. sericeus was found to be 3,100 mg/kg (i. p). The crude extract and fractions (310-930 mg/kg) effectively reduced oedema caused by egg albumin and xylene and exhibited high analgesic properties in inhibiting pain induced by acetic acid and heat. These reductions were dose-dependent and statistically significant (p < 0.05-0.001) when compared to distilled water and similar to prototype drugs employed. Quantitative determinations of some bio-active constituents of the plant showed a higher flavonoid content (0.52±0.02 mg/100 g) compared to alkaloids (0.36±0.02 mg/100 g) and flavonoids (0.49±0.03 mg/100 g). Phytochemical screening of the stembark showed the presence of alkaloids, cardiac glycosides, flavonoids terpenes, tannins and saponins. Conclusion: These results imply that the stembark extract of L. sericeus possesses anti-inflammatory and analgesic potency and these data validate its wide use in folkloric medicine for inflammation and pain management.
کلیدواژه‌های انگلیسی مقاله Analgesia, Inflammation, Lonchocarpus sericeus, Phytochemicals
نویسندگان مقاله | Uwemedimo UDO
Department of Chemistry, Faculty of Science, University of Uyo, Uyo, Nigeria


| Johnbull ECHEME
Department of Chemistry, College of Physical and Applied Sciences,Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria.


| Okenwa IGWE
Department of Chemistry, College of Physical and Applied Sciences, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria
نشانی اینترنتی https://ajp.mums.ac.ir/article_15622.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Research Article
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