FOOD TECHNOLOGY

Detailed explanation-1: -Explanation: Vinegar contains acetic acid, which is a natural preservative. Vinegar is a 5% to 10% aqueous solution of acetic acid that is used for food preservation as well as for flavouring. The acid has the ability to kill a variety of microbes that cause food spoilage.

Detailed explanation-2: -Vinegar may be used to pickle food, a preservation method that extends the shelf life of perishable foods by killing bacteria. Pickling involves soaking a food in a brine solution made from vinegar, water, salt, and sugar, which also changes the food’s flavor. There are several types of vinegars available.

Detailed explanation-3: -Salt, sodium nitrite, spices, vinegar, and alcohol have been used to preserve foods for centuries. Sodium benzoate, calcium propionate, and potassium sorbate are used to prevent microbial growth that causes spoilage and to slow changes in color, texture, and flavor.

Detailed explanation-4: -For example, salt is both a preservative as well as a flavor. Acidulants confer sour or acid taste. Common acidulants include vinegar, citric acid, tartaric acid, malic acid, fumaric acid, and lactic acid.