In the context of drying, what creates a drying challenge in fruit juice concentrates?

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Multiple Choice

In the context of drying, what creates a drying challenge in fruit juice concentrates?

Explanation:
Concentrated sugars in fruit juice concentrates drive the drying challenge. When the solids content is high, the liquid becomes very viscous and water activity drops, so water moves more slowly from the interior to the surface and evaporates less readily. That same high sugar level makes the surface sticky as moisture exits, forming a tacky crust that can cling to dryer surfaces, cause blockages, and lead to uneven drying. In short, the high sugar content slows mass transfer and promotes stickiness and crusting, which are the main obstacles in drying these products.

Concentrated sugars in fruit juice concentrates drive the drying challenge. When the solids content is high, the liquid becomes very viscous and water activity drops, so water moves more slowly from the interior to the surface and evaporates less readily. That same high sugar level makes the surface sticky as moisture exits, forming a tacky crust that can cling to dryer surfaces, cause blockages, and lead to uneven drying. In short, the high sugar content slows mass transfer and promotes stickiness and crusting, which are the main obstacles in drying these products.

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