Alum Powder
Scientific Name: Hydrated aluminum sulfate.
Made From: mined alunite, aluminum silicate, or bauxite.
Description: Used as a firming agent. Strengthens the pectin in the cell walls of pickled fruits and vegetables.
Alum
Strictly speaking, when employed with weak and unstable flours alum is a remedial agent.
Alum - Crystals of potassium aluminum sulfate, commonly used in canning before it was discovered that it can cause gastic distress in some individuals.
Alum - The astringent effect of this chemical makes it useful in home-pickling to give crispness to cucumbers, melon rinds, onions, green beans, and other foods.
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Alum
A chemical compound used for its astringent effects, which makes it useful in home pickling. It gives crispness to vegetables, such as cucumbers and onions, that are used for pickling.
Alumette ...
Ingredients: small cucumbers, water, salt, powdered alum, brine, vinegar, Sugar, mixed spices
open jar pickles refrigerator pickles Recipe ...
Others pickle in one day, and add alum to the pickling mixture so that the pickles will remain crisp. In both cases, it is important to make pickles in spotlessly clean canning jars to avoid the onset of rot and mold.
 See also: Water, Salt, Sugar, Cooking, Vegetable
  
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