The objective this stud was to evaluate the antimicrobial activity of essential oils (organic vs. conventional) of Origanum vulgare L. in the action against Candida albicans, Escherichia coli and Staphylococcus aureus. The inoculation of rhizobacteria (environmental (ME) and Bacillus subtilis) potentiated the antimicrobial action. The essential oils of Traditional (organic) cultivation presented antibacterial action and antifungal, while the essential oil of conventional cultivation (NPK) showed no any antibacterial or antifungal activity. It was concluded that the formulation of vermicomposting and the use of rhizobacteria are potential technologies and tools for family farmers and traditional community in the cultivation of orégano.
Endophytes constitute a promising source of bioactive substances with therapeutic potentialities. Thereby, an endophytic fungi was isolated from Handroanthus impetiginosus leaves and classified as Lasiodiplodia sp. by DNA sequence analysis and phylogenetic inference in this study. Chlorophorm (Ld-Chlo) and ethyl acetate extracts (Ld-EAm, Ld-AE and Ld-EA + ) obtained from fungus fermentation broth have been fractionated, whose extracts and fractions have been tested for assessing their antimicrobial activity against four Gram-positive, two Gram-negative and three yeast strains. It was observed an antimicrobial profile regarding crude extracts against Grampositive and yeast pathogens. The major inhibition was achieved by Ld-Chlo (MIC of
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