Medicinal Plants: An Alternative Source for Antimicrobials Against Emerging Pathogens

Forfattere

  • Fahareen Binta Mosharraf
  • Z. Jahan Mathematics and Natural Sciences Department, BRAC University, Bangladesh
  • M. Datta Mathematics and Natural Sciences Department, BRAC University, Bangladesh
  • M. Hossain Mathematics and Natural Sciences Department, BRAC University, Bangladesh
  • N. Islam Mathematics and Natural Sciences Department, BRAC University, Bangladesh
  • N. Choudhury Mathematics and Natural Sciences Department, BRAC University, Bangladesh

Resumé

The Tagetes erecta an extensively used medicinal plant is a small shrub, which grows up to 1–2 mm. The present study was aimed to investigate the antibacterial activity of this common locally available plant. Antimicrobial activity of three confined densities of crude extracts (cold aqueous, hot aqueous and methanol extracts) of medicinal plant Tagetes erecta leaves and flowers was evaluated by disk diffusion method against seven different pathogenic species of gram positive and gram negative bacteria. The result indicates that the leaf and flower of this plant part showed a broad spectrum of antibacterial activity. Nevertheless the extracts showed promising effect, yet the methanol extract showed least inhibition against the test microorganisms in comparison to hot aqueous extract and cold aqueous extract. Current results will provide a background for further endeavor in these fields.  Keywords: Tagetes erecta, flower, leaf extracts, antibacterial activity

Forfatterbiografi

  • Fahareen Binta Mosharraf
    Lecturer, Microbiology Program,Mathematics and Natural Sciences Department, BRAC University, Bangladesh

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Publiceret

2014-11-21

Nummer

Årg. 4 Nr. 3 (2014)

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