Performance of Skim Goat Milk Mineral Content Subjected to the Block Freeze Concentration Process

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Maria Helena Machado Canella
Eulália Lopes da Silva Barros
Callebe Camelo-Silva
Silvani Verruck
Heitor Daguer
Luciano Molognoni
Elane Schwinden Prudencio


The aim of this study was to evaluate the goat milk mineral performance concentrated by block freeze concentration process. Twenty batches of skim goat milk, each one with one liter, were subjected until the third stage of the freeze concentration process. The initial skim goat milk, concentrated, and ice fractions obtained were analyzed by calcium, magnesium, zinc, phosphorus, sodium and potassium content. Results showed that phosphorus content not increased (P < 0.05) with the increase of freeze concentration stages, for concentrated and ice fractions. In the first stage of freeze concentration process, the magnesium element showed the higher (P < 0.05) efficiency (95%). However, the higher (P < 0.05) concentration factor was determinate to calcium element in the third stage of the process. Also, it was observed an increase in the minerals contents evaluated with the increasing of freeze concentration stages of skim goat milk. Based on results obtained in the present study, the skim goat milk concentrated obtained in the first stage showed the best performance of skim goat milk mineral content concentration.

Goat milk concentrated, concentration process, main mineral elements, efficiency of process, concentration factor

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Canella, M. H., Barros, E., Camelo-Silva, C., Verruck, S., Daguer, H., Molognoni, L., & Prudencio, E. (2019). Performance of Skim Goat Milk Mineral Content Subjected to the Block Freeze Concentration Process. Asian Journal of Advances in Agricultural Research, 9(4), 1-9.
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