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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 23, No. 7, 2019, pp. 1315-1322
Bioline Code: ja19196
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 23, No. 7, 2019, pp. 1315-1322

 en Analgesic and Anti-inflammatory Activities of the Stem Bark of Yellow Flamboyant ( Peltophorum pterocarpum check for this species in other resources )
OGBEIDE, OK; OGBONNAYA, CJ; ASAKITIKPI, E; UYI, DO; ALUGE, BO; NOSAKHARE, O; OTAHAGWA, WO; EHIGIE, CA; OMORUYI, U; AIFUWA, OS & GABRIEL, BO

Abstract

Peltophorum pterocarpum (family; Fabaceae) is an evergreen perennial crop grown in tropical gardens. Different parts of this tree are being used for the management of many diseases. This study investigated the acute toxicity, analgesic and anti-inflammatory potentials of n-hexane extract of P. pterocarpum stem bark. Acute oral toxicity of n-hexane extract of P. pterocarpum stem bark was investigated using standard method. Analgesic activity was investigated by using acetic acid-induced writhing model, using indomethacin as a reference drug. Antiinflammatory activity of n-hexane extract of P. pterocarpum stem bark was investigated by using formalin-induced paw licking model, using aspirin as standard drug. In the acute toxicity study, mortality was observed at 500 and 2500 mg/kg body weight. In the acetic acid induced writhing test, the n-hexane extract of P. pterocarpum (100 and 200 mg/kg body weight) showed a significant reduction in the number of writhing with 55.5 % and 60 % of inhibition respectively. In formalin-induced rat paw oedema test for acute inflammation, the n-hexane extract of P. pterocarpum in 50, 100 and 200 mg/kg body weight showed 26.00 %, 27.89 % and 32.27 % inhibition of oedema respectively after 4hours, which is comparable to that of standard drug-aspirin (33.59 %). These results validated that the extract of P. pterocarpum possesses significant analgesic and anti-inflammatory properties.

Keywords
Peltophorum pterocarpum; acute toxicity; analgesic activity; anti-inflammatory activity

 
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