Industrial Water Activity (Aw) Matrix
Advanced technical reference for food processing engineering, boundary stability analysis, and quality compliance control systems.
Calculated Index (Aw = p / p0)
0.757
| Water Activity (Aw) | Food Matrices & Specifications |
|---|---|
| 1.0–0.95 | Canned* fruits, vegetables, meat, fish, milk, juices |
| 0.95–0.91 | Hard cheeses, cured meat, some fruit juice concentrates, foods with 55% sugar* or 12% salt* content |
| 0.91–0.87 | Salami, sponge cakes, dry cheeses, margarine, foods with 65% sugar or 15% salt content |
| 0.87–0.80 | Most fruit juice concentrates, sweetened condensed milk, chocolate syrup, maple syrup, flour, rice, fruitcake, country style ham, fondants (candy cream centers) |
| 0.80–0.75 | Jam, marmalade, marshmallows |
| 0.75–0.65 | Rolled oats, fudge, jelly, molasses, dried fruits, nuts |
| 0.65–0.60 | Dried fruits with 15–20% moisture, toffee, caramel, honey |
| 0.50 | Pasta, spices |
| 0.40 | Whole egg powder |
| 0.30 | Cookies, crackers, bread crusts |
| 0.20 | Whole milk powder, dried vegetables with 5% moisture, cornflakes |