Ohmic-assisted texture softening of cabbage, turnip, potato and radish in comparison with microwave and conventional heating

Elahe Kamali, Asgar Farahnaky

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Recently, ohmic heating has shown promising advantages for accelerated and controlled texture softening of some vegetables over conventional cooking. Textural properties of ohmically cooked cabbage, radish, turnip and potato were measured by texture profile analysis, and compared with microwave and conventional cooking. The data were experimentally modeled into an exponential model and softening rate and residual texture were calculated.

Ohmic heating at 380 V softened the texture of all four studied vegetables at greater rates in comparison with microwave and conventional methods. Comparing the texture softening rate, k value, of the cooked vegetables indicated that they were in the order of radish > turnip > potato > cabbage, and among the four studied vegetables the maximum and minimum texture response changes to cooking were found in radish and cabbage, respectively. In contrast to conventional and microwave cooking, an interesting and emerging finding was the significant increase in cohesiveness of ohmically processed vegetables with cooking time.

Original languageEnglish
Pages (from-to)12-21
Number of pages10
JournalJournal of Texture Studies
Volume46
Issue number1
DOIs
Publication statusPublished - Feb 2015

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