How Freezing Affects Food:
How Freezing Affects Food Enzymes in Vegetables and Fruits
To prevent color and flavor changes, as well as loss of some nutrients, enzymes should be controlled.
Are slowed down but not destroyed during freezing.
How Freezing Affects Food:
How Freezing Affects Food Enzymes in Vegetables
Enzymes in Fruits
How Freezing Affects Food:
How Freezing Affects Food Textural Changes
The water in food freezes and expands.
Fluctuating Freezer Temperatures
Ice crystals get bigger each time.
Moisture pulled from product.
Moisture Loss
Freezer burn
Preventing Flavor and Color Changes in Vegetables:
Preventing Flavor and Color Changes in Vegetables Blanching
Primary method to destroy enzymes for vegetables.
Will also soften hard veggies to make packaging easier.