Discussion
An acidified food is defined as a low-acid food to which acid has been added, having a water activity greater than
Answer: C
Correct answer: 0.85
An acidified food is a low-acid food to which acid or acid ingredients have been added to bring the finished equilibrium pH to 4.6 or below, and the definition also requires a water activity above 0.85 - below that figure the product is controlled by its dryness instead and falls outside the category. Pickles, acidified vegetables and many sauces are made this way, obtaining ambient stability from pH rather than from a severe heat process.
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