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Evaluating cold damage on blueberries (Vaccinium corymbosum) caused by different thawing methods

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Date of Conference

July 18-22, 2022

Published In

"Education, Research and Leadership in Post-pandemic Engineering: Resilient, Inclusive and Sustainable Actions"

Location of Conference

Boca Raton


Alvarado, Carmen

Palacios, Paola

Flores, Yeimy

Miano, Alberto Claudio


The aim of this work was to evaluate the effect of thawing method to the cold damage of blueberries (Vaccinium corymbosum). For that, blueberries samples of “ventura” variety were frozen at -13°C for 7 days and then were thawed following 4 methods: refrigeration, air, water, and microwave. In order to evaluate cold damage, two indirect procedures were performed: studying mass transfer during drying process and by measuring drip loss by electric conductivity. As results, significant difference was found among the thawing methods, being air method the worst method since more damages causes on the berries. On the other hand, refrigeration, and water methos were the best for thawing blueberries. Therefore, avoiding structural changes.

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