Food Processing Agents and Their Functions

The video explores various food additives, including preservatives, antioxidants, flavoring agents, stabilizers, emulsifiers, thickeners, coloring agents, bleaching agents, and sweeteners. It explains their functions in processed foods, such as preserving freshness, enhancing flavor, and improving texture. The video also highlights the importance of understanding the health effects of consuming these additives in excess.

What is the primary purpose of adding preservatives to processed foods?

• To enhance the flavor

• To prevent microorganism growth

• To increase the nutritional value

• To add color to the food

Which of the following is an example of an antioxidant used in margarine?

• Brilliant blue

• Sodium nitrate

• MSG

• BHA

Which of the following is a natural antioxidant added to cooking oil?

• Sodium nitrate

• Alpha tocopherol

• Brilliant blue

• Aspartame

What is the role of MSG in processed foods?

• To add color

• To thicken the texture

• To enhance the taste

• To preserve the food

Which stabilizer is commonly found in mayonnaise?

• Lecithin

• Xanthan gum

• Agar

• Aspartame

What is the function of thickeners in food processing?

• To add flavor

• To increase viscosity

• To preserve the food

• To add color

What is the role of emulsifiers in food processing?

• To add color

• To preserve the food

• To stabilize oil and water mixtures

• To enhance flavor

Which coloring agent is known for giving a red hue to processed foods?

• Chlorine

• Brilliant blue

• Allura red

• Tetrazine yellow

What is the purpose of bleaching agents in food processing?

• To enhance flavor

• To lighten the color

• To increase shelf life

• To add sweetness

Which sweetener is commonly used as a sugar replacement in canned fruit beverages?

• BHT

• Lecithin

• Sodium benzoate

• Xylitol