Antimicrobial, Antioxidant and Cytotoxic Activities of Callistemon citrinus (Curtis) Skeels

Authors

  • Md. Enamul Haque
  • Afrin Sultana
  • Biazid Alam Shibib
  • Md. Mirazul Islam

Keywords:

Callistemon, Myrtaceae, Antimicrobial, Antioxidant, Cytotoxic.

Abstract

The petroleum ether, ethyl acetate and methanol extracts of the stem bark of Callistemon citrinus were
subjected to screenings for antimicrobial and antioxidant activities and brine shrimp lethality. The ethyl acetate
extract and its column fractions XVIII and XIV exhibited moderate antimicrobial activity, while the methanol extract
revealed significant antioxidant activity having IC50 of 3.84 μg/ml. The methanol extract and fraction-II showed
potent cytotoxic its cytotoxicity with the LC50 of 11.27 and 11.35 μg/ml, respectively.

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Issue

Vol. 11 No. 1 (2012)

Section

Articles