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Lecture_9___milk_concentration

Lecture_9___milk_concentration - Concentration by...

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1 Concentration by Evaporation in the Dairy Industry Carmen I. Moraru Cornell University Concentration Why is it used? - Diminish the volume - Enhance the shelf-life (osmotic pressure increases) - Concentrate certain components (i.e. lactose) Where is it applied? - Preliminary step before drying - Manufacturing of various dairy products (evaporated milk, sweetened condensed milk, concentrated yogurt) How can it be done? - Thermal evaporation of water - Freeze concentration - Membrane separation
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