Carbon dioxide (CO_2) level measurement is widely used for informative early spoilage detection in various grains. This study was intended for research of CO_2 level measurement suitability for early spoilage detection in rapeseed. Experiments were performed using grain model systems in the controlled environment. Grain model systems were prepared with rapeseed of different moisture contents (9; 11; 13; 15 %) and various temperatures (25, 30 and 35 °C). Research was based on previous study of CO_2 sensor suitability for wheat spoilage detection and our results showed that CO_2 sensor could not be a reliable indicator of early spoilage detecting in stored rapeseed in contrast to wheat research case.
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