Food pH value

PH generally refers to the acidity and alkalinity index of a solution, while the pH value of a food refers to its acidity and alkalinity.

Food is generally classified as acidic, neutral, or alkaline.

The pH range is 1-14

3.7 ＜ pH value ≤ 14 refers to alkaline food.

The effect of pH value on microorganisms

1.The most suitable pH for the growth of most microorganisms is 6.5-7.5.
2. Most bacteria cannot grow and reproduce in acidic environments.
3. The most difficult to kill Bacillus botulinum cannot reproduce at a pH value below 4.6.
Acidic foods with pH<4.6 can be safely stored at room temperature using pasteurization.

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