THE ANTI-INFLAMMATORY ACTIVITY OF Crateva adansonii DICHLOROMETHANE FRACTION
ABSTRACT
Crateva adansonii is a medicinal herb commonly used in parts of Africa becauseof the side effects of Non-Steroidal Anti-inflammatory Drugs (NSAID), like heart diseases and kidney failure. Inflammation is a major public heart issue in the world but treatment is becoming complex because of the side effects of anti-inflammatory pharmaceutical drugs. Hence the need for alternative drug is highly required. This research work investigated the anti-inflammatory activity of dichloromethane fraction of methanol extract of Crateva adansonii stem bark, using rodent model. Adult Swiss albino rats (110-200g) of either sex were randomlydivided into 5 groups of 4 animals each. Groups 2, 3, 4, and 5 received different doses of the extract (300mg, 500mg, 700mg, and 900mg) in 3% v/v tween 80 administered intraperitonally respectively. Control group-1 received volume of 3%v/v tween 80 and standards group received 100mg/kg Ibuprofen. One hour later acute inflammation was induced by injection of 0.1ml of undiluted egg albumin into the sub planter of the right hand paw of rats. The volume of the paw was measured by mercury displacement before and at 0.5, 1, 1.5, 2, 2.5 & 3 hours after egg albumin injection, while the standard was measured at internals of one hour, for up to 4 hours. Edema formation was assessed in terms of the difference in the zero time per volume of the injected pair and its volume at the different time after egg albumin injection. For each dose of extract, percentage inhibition of edema was calculated percentage inhibition. Result show that Cratevaadansonii may have anti-inflammatory effects. This finding supports the use stembark of Crateva adansonii in not only traditional medicine for the treatment of inflammation.
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