Moisture generally refers to the presence of water, often in trace amounts.
The moisture content is often an important aspect of various foodstuffs including cheese and many dried goods such as tea where excess moisture can promote bacterial growth, decay, molding, or rotting over time.
- Oil helps regulate the moisture of a baked potato, giving the skin a crunchy texture.
- Heat along with moisture can cause potato starch granules to expand, making for a fluffy texture.
- Moisture helps lettuce leaves stay crisp in the refrigerator. Too much moisture can cause them to rot. A salad spinner or a paper towel can dry the surface.