<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of this study was to evaluate some properties of rapeseed, to determine the amount of fungi including thermotolerant and xerophilic species and to specify the correlations between some physical properties of rapeseed and the number of fungi. Material was 18 samples of rapeseeds. The characteristics of seeds included volumetric weight, impurities, pH, moisture, water activity, fat content, fat acidity and critical moisture of seeds. Number of fungi were investigated on RBA, YpSs, DG18 medium at 25, 37 and 45°C. Differences between amount of rapeseed impurities and fat acidity have been revealed. The number of fungi was diversified depending on medium and incubation temperature. The largest fungi number was isolated on DG18 at 25°C. Correlations between physicochemical properties of seeds and number of isolated fungi have been pointed out. Our study demonstrated that low pH values and weight by volume of seeds as well as high acidity of fat can be used as indicators of contamination of rapeseeds by fungi.</p></abstract>

The aim of this study was to evaluate some properties of rapeseed, to determine the amount of fungi including thermotolerant and xerophilic species and to specify the correlations between some physical properties of rapeseed and the number of fungi. Material was 18 samples of rapeseeds. The characteristics of seeds included volumetric weight, impurities, pH, moisture, water activity, fat content, fat acidity and critical moisture of seeds. Number of fungi were investigated on RBA, YpSs, DG18 medium at 25, 37 and 45°C. Differences between amount of rapeseed impurities and fat acidity have been revealed. The number of fungi was diversified depending on medium and incubation temperature. The largest fungi number was isolated on DG18 at 25°C. Correlations between physicochemical properties of seeds and number of isolated fungi have been pointed out. Our study demonstrated that low pH values and weight by volume of seeds as well as high acidity of fat can be used as indicators of contamination of rapeseeds by fungi.

Relationships Between Fungal Contamination and Some Physicochemical Properties of Rapeseeds

Department of Biochemistry and Human Nutrition, Pomeranian Medical University in Szczecin, ul. Broniewskiego 24, 71 - 460 Szczecin, Poland;

Institute of Chemical and Environment Engineering, West Pomeranian University of Technology in Szczecin, ul. Pułaskiego 10, 70-322 Szczecin, Poland;

Ekológia (Bratislava)

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The aim of this study was to evaluate some properties of rapeseed, to determine the amount of fungi including thermotolerant and xerophilic species and to...

Relationships Between Fungal Contamination and Some Physicochemical Properties of Rapeseeds

Published Online: Mar 01, 2015

Page range: 65 - 71

DOI: https://doi.org/10.1515/eko-2015-0007

Keywords
rapeseed, quality of seeds, amount of fungi, correlations

© 2015 Katarzyna Janda and Agata Markowska-Szczupak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Relationships Between Fungal Contamination and Some Physicochemical Properties of Rapeseeds

Published Online: Mar 01, 2015

Page range: 65 - 71

DOI: https://doi.org/10.1515/eko-2015-0007

Keywordsrapeseed, quality of seeds, amount of fungi, correlations

© 2015 Katarzyna Janda and Agata Markowska-Szczupak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
rapeseed, quality of seeds, amount of fungi, correlations