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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 14, No. 11, 2015, pp. 2031-2039
Bioline Code: pr15266
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 14, No. 11, 2015, pp. 2031-2039

 en Anticonvulsant, Antimicrobial and Cytotoxic Activities of Berberis calliobotrys check for this species in other resources Aitch ex Koehne (Berberidaceae)
Rasool, Shahid; Khan, Farrukh Zia; ul Hassan, Saeed; Ahmed, Mobasher; Ahmed, Mansoor & Tareen, Rasool Bakhsh

Abstract

Purpose: To evaluate the anticonvulsant, antimicrobial and cytotoxic activities of Berberis calliobotrys check for this species in other resources .
Methods: The powdered plant material (10 kg) was extracted thrice with methanol (3 × 12 L) by dipping for seven days. The methanol extract was concentrated to dryness under reduced pressure, and then successively fractionated with solvents of different polarity, including n-hexane, chloroform, ethyl acetate and n-butanol. The anticonvulsant effect of the extract and fractions (at oral doses 500 and 1000 mg/kg) was studied against picrotoxin-, pentylenetetrazole (PTZ)- and strychnine-induced seizures in Swiss albino mice of either sex divided into 12 groups (n = 6). Diazepam was used as standard drug. Antimicrobial activity of the extract against Bacillus subtilis check for this species in other resources , Pseudomonas aeruginosa check for this species in other resources , Staphylococcus aureus check for this species in other resources as well as against Candida albicans check for this species in other resources , Penicillium notatum check for this species in other resources was conducted by disc diffusion method and minimum inhibitory concentration (MIC). Cytotoxicity of the extract/fractions was analyzed by haemolytic method while the phenolic compounds present in the ethyl acetate fraction of the plant were determined by high performance liquid chromatography (HPLC).
Results: The extract and its ethyl acetate and n-butanol fractions showed maximum response against drug-induced convulsions and provided 100 % protection to animals at both doses. They also showed zones of inhibition of 27.00 ± 2.51, and 22.00 ± 2.51 mm against all bacterial and fungal strains, respectively, especially Staphylococcus aureus. The methanol extract and ethyl acetate fraction also showed high MIC against all bacterial and fungal strains. Cytotoxicity data from hemolytic assay indicate that the extract/fractions are safe. The highest amount of phenolic found was chlorogenic acid (84.44 ± 0.06 ppm).
Conclusion: The plant is thus a potential source of new lead compounds for the development of new clinically effective anticonvulsant and antimicrobial compounds.

Keywords
Berberis calliobotrys; Anticonvulsant; Antimicrobial; Haemolytic; Phenolics; Chlorogenic acid

 
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