Articles

DEHYDROFREEZING IN THE PRODUCTION OF STRAWBERRY INGREDIENTS: INFLUENCE ON THE QUALITY CHARACTERISTICS OF FRUIT YOGHURT

Article number
567_175
Pages
791 – 794
Language
English
Abstract
The aim of this work was to study how partial air dehydration, applied before freezing, alone or in combination with osmo-dehydration, could improve texture of strawberry slices after their addition to yoghurt; strawberry slices not pre-dehydrated before freezing were used as control.
A moisture reduction of 60% before freezing improved texture of strawberry ingredients, regardless of the dehydration method used.
Sugars content analysis ascertained a dynamic exchange between fruit slices and yoghurt.
Panelists preferred yoghurts containing pre-dehydrated strawberry pieces, confirming chemical and physical data.
A positive relationship between sensory response and objective indexes was found.

Publication
Authors
T.M.P. Cattaneo, A. Maraboli, A. Avitabile Leva, D. Torreggiani
Keywords
dehydration, osmodehydration, process, sensory analysis, dairy
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