TOXICITY OF TAGETES MINUTA ESSENTIAL OIL IN SILVER CATFISH (RHAMDIA QUELEN)

  • Jessyka Arruda Da Cunha
  • Cecilia De Ávila Schereen
  • Anita Mota De Oliveira
  • Fernando Jonas Sutili
  • Carlos Garrido Pinheiro
  • Bernardo Baldisserotto
  • Berta M. Heinzmann Departamento de Farmácia Industrial, UFSM, Santa Maria, RS, Brazil

Abstract

Objective: Evaluation of Tagetes minuta L. essential oil (EOTM) toxicity in the silver catfish Rhamdia quelen.

Methods: The EOTM extracted by hydrodistillation was identified qualitatively based on retention indices and the mass spectrum of its components by gas chromatography-mass spectrometry (GC-MS) and quantified by GC with flame ionization detector. Fish were exposed to 0, 50, 100, 200 mg l-1 EOTM and ethanol (1.5 ml) (n = 10 each concentration) and mortality observed after 24, 48 and 96 h (h).

Results: The EOTM presented as the main constituents: di-hidrotagetone (7.66 %), Z-tagetone (29.50%) and E-tagetone (40.37%). Silver catfish mortality was 10% after 96 h at 50 mg l-1, 70 and 80% after 24 and 96 h, respectively, at 100 mg l-1 and 80, 90 and 100% after 24, 48 and 96 h, respectively, at 200 mg l-1.

Conclusion: The use of EOTM is not recommended in fish farming at the concentrations measured in this study due to its toxic action.

Keywords: Medicinal plants, Fish farming, Toxic effect, Cloves marigold

 

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How to Cite
Cunha, J. A. D., SchereenC. D. Ávila, A. M. D. Oliveira, F. J. Sutili, C. G. Pinheiro, B. Baldisserotto, and B. M. Heinzmann. “TOXICITY OF TAGETES MINUTA ESSENTIAL OIL IN SILVER CATFISH (RHAMDIA QUELEN)”. International Journal of Pharmacy and Pharmaceutical Sciences, Vol. 8, no. 6, Apr. 2016, pp. 286-8, https://innovareacademics.in/journals/index.php/ijpps/article/view/9801.
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Short Communication(s)