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To prevent food from spoilage by microorganism, which substance is used?

1. Aspartame
2. Arneto
3. Salt of sorbic acid
4. Tetrazine

Correct answer: Salt of sorbic acid

Solution

Salt of sorbic acid is a preservative used in foods to prevent spoilage by microorganisms, especially molds and yeasts. The other options are not primarily used for antimicrobial preservation.

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