Germicidal activity of plant extracts of Origanum vulgare and Rosmarinus officinalis against Sporothrix schenckii complex


  • Caroline Bohnen de Matos Universidade Federal de Pelotas
  • Karina Affeldt Guterres Universidade Federal de Pelotas
  • Claudia Giordani Universidade Federal de Pelotas
  • Isabel Martins Madrid
  • Marlete Brum Cleff Universidade Federal de Pelotas
  • Mário Carlos Araújo Meireles Universidade Federal de Pelotas



The literature shows that is a resistance by the microorganisms against commercial products used for the disinfection of contaminated environments. Due to this, the aim of this study was to evaluate the activity of the tincture, aqueous extract (decoction and infusion) and hydroalcoholic extract of Origanum vulgare and Rosmarinus officinalis, as an alternative to disinfectants, using the technique of direct exposure, against Sporothrix schenckii complex. For this, the direct exposure tests, with fungal isolates from clinical cases pertaining to dogs and cats with sporotrichosis, were used to evaluate the sensitivity of Sporothrix spp. against plants extracts, with the action evaluated in the times of 5, 10 and 15 minutes of exposure . As a positive control, it was used a sterile water solution containing innocuous and disinfectants used to control was sodium hypochlorite alcohol and 70°GL. As a result, it can be shown the sensitivity of the fungal isolates front to tincture of Origanum vulgare and Rosmarinus officinalis and hydroalcoholic extract of Origanum vulgare at all times of exposure, in 10% concentration of the extract.


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