Question

To identify and categorise the preservatives used in beverages, pickles, baked and canned products.

19 Apr 2025
Answer :
Word Count : 731

Preservatives are substances added to food products to prevent spoilage, extend shelf life, and maintain the food's nutritional value, flavor, and appearance. These preservatives can be categorized into various types, such as natural, synthetic, or chemical preservatives. In food chemistry and nutrition, preservatives are crucial to prevent microbial growth, oxidation, and enzymatic degradation, ensuring food safety. The preservatives used in beverages, pickles, baked goods, and canned products vary depending on the food type and the desired preservation effect. These preservatives can be classified into categories like antimicrobial agents, antioxidants, and acidulants.

Beverages:
Beverages, especially fruit juices, soft drinks, and alcoholic beverages, are highly susceptible to microbial contamination and spoilage. To prevent these issues, a variety of preservatives are used. The most common preservatives in beverages include:

1. Sodium Benzoate: A widely used preservative in soft drinks, fruit juices, and syrups. It inhibits the growth of mold, yeast, and bacteria by lowering the pH and preventing microbial activity.

2. Potassium Sorbate: Often used in fruit juices, wine, and carbonated drinks, potassium sorbate is effective against yeast and molds, helping extend shelf life.

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