engleski

Possible application of high voltage electrical discharge plasmas in fruit juice processing?

The main aim of plasma processing is to reduce food wastage caused by microbial spoilage as well to retain high quality of treated products. In this study, samples of apple juice, inoculated with yeasts (Saccharomyces cerevisiae and Rhodotorula sp. 74) were treated in a point- to-plate reactor type with liquid and gas discharge plasma. Samples were analysed in order to define plasma effects on organoleptic properties of fruit juices (aroma profile and sensory evaluation) as well as inactivation effects on inoculated yeasts. The most effective plasma treatment in yeast inactivation as well as in total organoleptic properties of juice was liquid discharge with argon as headspace gas.

plasma, fruit juices, Saccharomyces cerevisiae, Rhodotorula spp.

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