Food Preservatives

Food preservatives always have a negative impact on the environment.

• True

• False

Answer explanation

While some food preservatives may have negative environmental impacts, not all preservatives are harmful. Some natural preservatives, like salt and sugar, are environmentally friendly.

Which of the following is a common natural food preservative?

• Ascorbic acid

• Sodium benzoate

• BHA

• Salt

Answer explanation

Salt is a common natural food preservative that has been used for centuries to preserve meats, fish, and vegetables.

All food preservatives are artificial chemicals.

• True

• False

Answer explanation

Not all food preservatives are artificial chemicals. Some preservatives, like salt, sugar, and vinegar, are natural and have been used for centuries to preserve food.

What is the purpose of food preservatives?

• To extend the shelf life of food

• To improve texture

• To increase nutritional value

• To enhance flavor

Answer explanation

Food preservatives help prevent spoilage and extend the shelf life of food by inhibiting the growth of microorganisms and delaying oxidation.

Which type of food preservative inhibits the growth of bacteria?

• Flavor enhancers

• Antimicrobial preservatives

• Antioxidants

• Color additives

Answer explanation

Antimicrobial preservatives prevent the growth of bacteria, yeast, and mold in food products. For example, sorbic acid is used in cheese to prevent mold growth.