Commonly used preservative in tomato ketchup is

Commonly used preservative in tomato ketchup is Correct Answer Benzoic acid

The commonly used preservative in tomato ketchup is Benzoic acid.
Benzoic acid, the simplest benzene-based carboxylic acid, has been known since the 16th century. Its most common natural source is gum benzoin, a resin found in the bark of trees of the genus Styrax.
It is a commonly used antimicrobial preservative in food and beverages, especially in carbonated beverages, as it presents its strongest antibacterial activity at pH 2.5 - 4.0. BA has inhibitory effects on the proliferation of bacteria and yeasts, a major cause of food spoilage.
The concentration of benzoic acid in ketchup varied from 98.5 to 1284 mg kg-1, with a mean value of 482 mg kg-1.
Bissoy MCQ

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1. Ketchup
2. Wine
3. Cocoa powder
4. Marmalade
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The substance most commonly used as a food preservative is
__________ is commonly used as a food preservative.
Very commonly used preservative in vaccines is