Complete Moisture Analysis (AN-13435-00)
The importance of water in determining product safety and stability has long been recognized. The ancient natural preserving practices of salting, sugaring, brining, and dehydrating limit the growth of spoilage organisms by reducing the amount of available water. Traditionally, discussions on controlling the water in products have focused on moisture content or the total amount of water in a system. Moisture content provides valuable information about product quality, but it is only one part of a complete moisture analysis. Water activity is another important moisture measurement that provides essential information about the energy or availability of water in a product. Water activity and moisture content are both needed for a complete moisture analysis.
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