Edible Packaging Materials Quiz

What is the function of edible packaging materials in food packaging?

• To enhance the mechanical handling properties of foods

• To improve the mechanical integrity or handling characteristics of the food

• All of the above

• To carry food additives such as antioxidants and antimicrobials

What is an advantage of edible packaging over traditional nonedible packaging?

• It can be consumed with the packaged product

• It reduces environmental pollution

• All of the above

• It can enhance the organoleptic properties of packaged foods

Which polysaccharide is commonly used to form protective edible coatings on foods?

• Cellulose

• Hemicellulose

• Dextrins

• Starch

What is the main problem with applying waxes as protective coatings for fresh fruits and vegetables?

• They have a waxy or rancid taste

• They are too expensive

• They have a greasy surface

• They have poor mechanical properties

What is the purpose of blending polar biopolymers to form composite films?

• To decrease gas barrier efficiency

• To improve mechanical properties at high RH

• To reduce water transmission

• To increase water vapor permeability

Which of the following is used as a plasticizer in edible packaging materials?

• BHA

• Glucose

• Lecithin

• Nisin

What is the purpose of adding antimicrobials to edible films and coatings?

• To reduce environmental pollution

• To enhance the organoleptic properties of foods

• To improve mechanical properties

• To increase shelf life of foods

What is the mode of action of antioxidants in edible packaging materials?

• Chelating pro-oxidant metals

• Deactivating singlet O2

• All of the above

• Absorbing UV radiation