Quiz on Encapsulation of Food Ingredients

What is encapsulation primarily defined as?

• A method to enhance flavor in food

• A process to entrap one substance within another

• A technique for food preservation

• A way to increase food texture

Which of the following is NOT a benefit of encapsulation in the food industry?

• Preservation of bioactive compounds

• Improvement of food taste

• Controlled release of ingredients

• Increased susceptibility to degradation

What is the most commonly used method of encapsulation?

• Coacervation

• Spray drying

• Freeze-drying

• Electrospinning

Which material is commonly used for encapsulation in food applications?

• Metals

• Synthetic polymers

• Polysaccharides

• Mineral oils

What is the first step in the freeze-drying process?

• Freezing

• Emulsification

• Primary drying

• Secondary drying

How does anti-solvent precipitation work in encapsulation?

• By adding heat to dissolve the solute

• By adding a non-solvent to precipitate the solute

• By emulsifying the solute in oil

• By freezing the solute directly

What is the role of maltodextrins in encapsulation?

• To increase the viscosity of liquids

• To act as a preservative

• To provide a barrier for sensitive compounds

• To enhance the flavor of food

Which of the following is a characteristic of beta-cyclodextrin?

• Ability to form inclusion complexes

• High viscosity

• High solubility in cold water

• Low cost compared to other materials

What is the purpose of secondary drying in the freeze-drying process?

• To remove ice crystals

• To ensure complete dryness and stability

• To emulsify the product

• To encapsulate the active ingredient

Which encapsulation technique involves creating microcapsules or nanoparticles?

• Coacervation

• Anti-solvent precipitation

• Freeze-drying

• Electrospinning