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Información tecnológica

versión On-line ISSN 0718-0764

Resumen

RONCEROS, Betty A; QUEVEDO, Roberto A  y  LEIVA, Javier I. Effect of a Chemical Pretreatment on Blueberry Dehydrated Using Combined  Methods. Inf. tecnol. [online]. 2007, vol.18, n.6, pp.57-64. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642007000600008.

The objective of this paper was to study the chemical removal of blueberry skin at different soda concentrations and immersion times. In methodology, a surface response factorial design of type 22 was considered. As a response, blueberry skin removal was considered, either total or partial. The variables analyzed were soda concentration and immersion time. Results indicated that soda concentration had a marked positive effect, as did immersion time although to a lesser extent. Both variables should not be interpreted separately, given the considerable effect produced by their interaction. It can be concluded that adequate skin removal was achieved by using 1.5% NaOH for 5 seconds, without damaging the fruits.

Palabras clave : blueberries; osmotic dehydration; chemical skin removal; factorial design.

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