Alum powder is a valuable tool in the canning process, particularly when preserving fruits and vegetables like pickles. It plays a crucial role in maintaining the desired texture and color of your canned goods.
When to use alum powder:
-
Pickling: Alum is commonly used in pickling recipes to ensure that pickles remain crisp and flavorful.
-
Fruit Preserving: While less common, alum can also be used to help preserve the texture and color of certain fruits.
How does alum powder work?
-
Firming: Alum helps to firm the structure of fruits and vegetables, preventing them from becoming mushy or discolored.
-
Color Preservation: It can help to maintain the vibrant colors of fruits and vegetables, ensuring that your canned goods look appealing.
-
Crisp Pickles: Alum is especially effective in preserving the crispness of pickles, giving them that satisfying crunch.