Question

What is the operating principle behind oven drying for determining moisture content of foods?

Q: Answer-What is the operating principle behind oven drying for determining moisture content of foods?

Oven drying involves heating a food sample to evaporate water. The weight loss is equated to moisture content, as water is the primary volatile component. This gravimetric method is standardized e.g., AOAC 925.10.

A Colour change is measured

B Loss of weight represents loss of water

C Change in refractive index is measured

D Change in light absorbance is measured

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What is the operating principle behind oven drying for determining moisture content of foods?

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