<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Fungi produce a large variety of extracellular proteins, organic acids, and other metabolites and can adapt to several environmental conditions. Mycotoxin-producing moulds of the genera <italic>Aspergillus</italic> and <italic>Penicillium</italic> are common food contaminants. One of the natural ways to protect food from mould contamination is to use essential oils. In this study, we evaluated the effect of essential oils of cinnamon, lavender, rosemary, and sage at 1 % (v/v) concentration in yeast media inoculated with spores (final concentration 106 mL-1 media) of <italic>Aspergillus ochraceus</italic> ZMPBF 318 and <italic>Penicillium expansum</italic> ZMPBF 565, alone or in combination, on fungal biomass. Cinnamon showed the best inhibitory effect (100 %). Lavender oil best inhibited the growth of <italic>Aspergillus ochraceus</italic> (nearly 100 %), and was less successful with <italic>Penicillium expansum</italic> (having dropped to 57 % on day 28). With cultivation time the inhibitory effect of sage and rosemary oil grew for <italic>Aspergillus ochraceus</italic> and dropped for <italic>Penicillium expansum</italic>.These results suggest that fungi can be controlled with essential oils, especially with cinnamon oil.</abstract>

Fungi produce a large variety of extracellular proteins, organic acids, and other metabolites and can adapt to several environmental conditions. Mycotoxin-producing moulds of the genera Aspergillus and Penicillium are common food contaminants. One of the natural ways to protect food from mould contamination is to use essential oils. In this study, we evaluated the effect of essential oils of cinnamon, lavender, rosemary, and sage at 1 % (v/v) concentration in yeast media inoculated with spores (final concentration 106 mL-1 media) of Aspergillus ochraceus ZMPBF 318 and Penicillium expansum ZMPBF 565, alone or in combination, on fungal biomass. Cinnamon showed the best inhibitory effect (100 %). Lavender oil best inhibited the growth of Aspergillus ochraceus (nearly 100 %), and was less successful with Penicillium expansum (having dropped to 57 % on day 28). With cultivation time the inhibitory effect of sage and rosemary oil grew for Aspergillus ochraceus and dropped for Penicillium expansum.These results suggest that fungi can be controlled with essential oils, especially with cinnamon oil.

Growth Inhibition of <italic>Aspergillus Ochraceus</italic> ZMPBF 318 and <italic>Penicillium Expansum</italic> ZMPBF 565 by Four Essential Oils

Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia

Archives of Industrial Hygiene and Toxicology

Growth Inhibition of  ZMPBF 318 and  ZMPBF 565 by Four Essential Oils

Fungi produce a large variety of extracellular proteins, organic acids, and other metabolites and can adapt to several environmental conditions....

Growth Inhibition of Aspergillus Ochraceus ZMPBF 318 and Penicillium Expansum ZMPBF 565 by Four Essential Oils

Pubblicato online: 25 giu 2010

Pagine: 191 - 196

DOI: https://doi.org/10.2478/10004-1254-61-2010-2009

Parole chiave
čista kultura, inhibitorni učinak, kvaščev ekstrakt, mješovita kultura, suspenzija spora

This content is open access.