Acute and subacute toxicity profile of ethanolic stem bark extract of Albizia coriaria Welw. ex Oliv. in Wistar albino rats Author links open overlay panel

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dc.contributor.authorObakiro, Samuel Baker
dc.contributor.authorKiyimba, Kenedy
dc.contributor.authorOwor, Richard Oriko
dc.contributor.authorAndima, Moses
dc.contributor.authorLukwago, Tonny Wotoyitide
dc.contributor.authorKawuma, Carol
dc.contributor.authorGavamukulya, Yahaya
dc.contributor.authorNabatanzi, Alice
dc.contributor.authorKibuule, Dan
dc.contributor.authorKato, Charles Drago
dc.contributor.authorAnywar, Godwin
dc.contributor.authorWaako, Paul
dc.date.accessioned2024-06-18T11:36:55Z
dc.date.available2024-06-18T11:36:55Z
dc.date.issued2024-06
dc.description.abstractAbstract Albizia coriaria (Fabaceae) crude extracts are key ingredients of several licensed and unlicensed herbal products in East Africa. However, there is limited and often contradicting information regarding its toxicity. We therefore evaluated the acute and subacute toxicity of the ethanolic stem bark extract of A. coriaria in mature healthy Wistar albino rats following Lorke’s method and OECD guidelines 407. The LD 50 of the ethanolic stem bark extract of A. coriaria was 2000 mg/kg. The acute toxicity signs observed included piloerection, hyperventilation, lethargy, and loss of righting reflex. There was a significant increase in aspartate aminotransferase, alkaline phosphatase, red blood cells and haemoglobin in rats after 28 days at the dose of 500 mg/kg. Histological analyses revealed multifocal random parenchymal necrosis and scattered periportal mononuclear inflammatory cells infiltration in the liver, interstitial nephritis in the kidney and multifocal lymphoid accumulation in the peribronchiolar and perivascular lung tissue at 500 mg/kg. The ethanolic stem bark of A. coriaria was therefore moderately toxic to the rats when administered in a single high oral dose within 24 h. The extract caused a dose dependent toxicity with significant damage to the kidney, liver and lung tissues at a dose of 500 mg/kg after 28 days. Herbal medicines containing A. coriaria extracts should be consumed cautiously due to likelihood of toxicity particularly at higher doses greater than 500 mg/kg. ga1 • This study assesed the acute and subacute toxicity effects of the ethanolic stem bark extract of A. coriaria, a key ingredient of several licensed and unlicensed herbal products on Uganda market. • The ethanolic stem bark extract of A. coriaria was found to be moderately toxic when administered in a single high oral dose within 24 h with a median lethal dose of 2000 mg/kg. • In repeated daily doses of 500 mg/kg, the ethanolic stem bark extract of A. coriaria caused significant toxicity to the lungs, liver and kidney tissues. • Herbal medicines containing A. coriaria extracts should be consumed cautiously due to likelihood of associated toxicity particularly at higher doses greater 500 mg/kg.en_US
dc.identifier.citationObakiro, Samuel Baker, Kenedy Kiyimba, Richard Oriko Owor, et al. 'Acute and Subacute Toxicity Profile of Ethanolic Stem Bark Extract of Albizia Coriaria Welw. Ex Oliv. in Wistar Albino Rats', Toxicology Reports, vol. 12/(2024), pp. 178-185.en_US
dc.identifier.issnISSN 2214-7500
dc.identifier.issnEISSN 2214-7500
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/9571
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.subjectAlbizia coriaria; Traditional medicine; Toxicity; Biochemica; lHaematology; Histopathologyen_US
dc.titleAcute and subacute toxicity profile of ethanolic stem bark extract of Albizia coriaria Welw. ex Oliv. in Wistar albino rats Author links open overlay panelen_US
dc.typeArticleen_US
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