Influence of sucrose concentration on electric conductivity of banana pulp during ohmic heating

Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional
P Poojitha, K A Athmaselvi

Abstract

Ohmic heating is a substitutive rapid heating method for food products. In this study, banana pulp with different concentrations of sugar is ohmically heated and the influence of sucrose concentration on electrical conductivity was investigated. The electrical conductivity, pH, total soluble solids, acidity, ascorbic acid content before and after ohmic heat treatment were also analysed. As the sucrose concentration increased, heating time at various voltage gradients 13.33, 20 and 26.66 V/cm increased, and the electrical conductivity decreased. As the voltage gradient increased, the pH and TSS of treated pulp with different sugar concentration increased followed by decrease in colour and acidity.

References

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May 12, 2005·Journal of Agricultural and Food Chemistry·Shirly Leizerson, Eyal Shimoni
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Mar 26, 2013·Ultrasonics Sonochemistry·Muhammad AbidXiaoxiong Zeng
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