To prevent deterioration of food from microorganisms which one of the following preservatives are used _____________________?
Correct answer: D. All the above
- A. NaCl
- B. Sulpher dioxide
- C. Nitrate
- D. All the above
Explanation
Salt, sulphur dioxide, and nitrates can all inhibit spoilage microorganisms when used at permitted levels. Salt lowers water availability, sulphur dioxide suppresses microbes in acidic foods, and nitrates are important in cured products.
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