The Water Activity of Food Can Be Reduced by All

Question

The water activity of food can be reduced by all of the following EXCEPT
A) physically removing water.
B) adding salt.
C) adding nitrites.
D) adding sugar.

Accepted Answer

Physically removing water (through dehydration or evaporation), adding salt, and adding sugar all work to reduce the water activity of food. However, adding nitrites does not directly affect water activity, it is primarily used for preservation and color stability.