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Indian J Exp Biol. 1994 Mar;32(3):189-91.

Effect of alkaloidal extract from Clerodendron colebrookianum on hematological parameters and hepatorenal functions in mice.

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  • 1Department of Pharmaceutical Technology, Jadavpur University, Calcutta, India.


Effects of multiple weekly (20, 40 and 80 mg/kg) and daily therapeutic (2, 4 and 8 mg/kg) ip doses of C. colebrookianum leaf extract on liver and kidney functions and hematological parameters in mice were studied. No alteration in hematological and biochemical parameters at low and moderate dose level of daily and low dose level of weekly treatment of alkaloidal extract was observed. However, alkaloidal extract at moderate dose in weekly treatment increased significantly serum alanine aminotransferase, alkaline phosphatase, nonprotein nitrogen, blood urea, plasma protein and erythrocyte sedimentation rate. High dose of alkaloidal extract increased all the above parameters of weekly treated mice including serum aspartate aminotransferase and plasma cholesterol and decreased significantly serum bilirubin and clotting time. Whereas, in high dose daily treatment erythrocyte count and hemoglobin content were increased and serum bilirubin was decreased. The present study reveals that the high dose (above 40 mg/kg body weight) of alkaloidal extract of C. colebrookianum affects liver and kidney functions and metabolism and also alters only clotting time and ESR whereas the therapeutic dose level (hypotensive action at 2 to 8 mg/kg, i.v., dose level) did not exhibit any toxic action on the above mentioned system; the toxic action may be due to overdose. Hepatorenal dysfunction and alteration of hematological parameters were noted at moderate and high dose in a dose dependent manner.

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