The water activity in foods that have high levels of salt or sugar is

Question

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Water activity is a measure of the available free water in a food system, and it is related to the potential for microbial growth and chemical reactions. Foods with high levels of salt or sugar have low water activity, meaning that there is less free water available for microbial growth, and thus the food is less susceptible to spoilage and can have a longer shelf life.

The Water Activity in Foods That Have High Levels of Salt