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1 ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

1 2017

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Modification of the textural properties of Jerusalem Artichoke tubers using different thermal treatments

Blicharz-Kania A., Andrejko D., Kubik-Komar A., Ślaska-Grzywna B., Starek A.

ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

2017

Vol. 6, No 4

41--45

The aim of the study was to determine the effect of thermal treatment in a convection-steam oven on the textural properties of Jerusalem artichoke tubers. The thermal treatment was continued for 5, 10, 15, 20, and 30 minutes at various levels of steam addition (0, 20, 60, and 100%). The thermal treatment in the convection-steam oven was shown to have a significant effect on the hardness, chewiness, and cohesiveness of the product. The thermal processing methods analysed in this study did not exert a significant effect on the elasticity of the Jerusalem artichoke tubers. With an increase in the heating time, the mean values of the material hardness and chewiness declined and the cohesiveness of Jerusalem artichoke tubers increased. Application of higher volumes of steam resulted in a reduction of the mean values of hardness and chewiness of the product accompanied by a simultaneous increase in the mean cohesiveness values.