#aw

Forum discussions tagged aw. Browse 2 related threads.

1. What is Water Activity?

   Water activity is expressed as aw, which is the ratio of the vapor pressure of water in food to the vapor pressure of pure water at the sam…

2. Moisture Content and Water Activity in Foods

   Moisture content is the amount of water in the food material, usually expressed in percentages. Water activity, on the other hand, is the a…