Question

Why whey protein is used for formation of edible biofilm?

Answer 1

Edible coatings and films of various thickness consist of edible materials (proteins, lipids, carbohydrates) applied to the surface of food to improve the appearance and food preservation. In recent years, there has been considerable interest in its use as food packaging, instead of the traditional plastic films. Edible coatings are defined as a thin layer of edible material applied directly to the surface of food, usually by immersion or aspersion, while edible films are pre-formed in molds, dried and applied to food. The purpose of the use of films and coatings is to inhibit the migration of moisture, oxygen, carbon dioxide, flavors, and lipids, and carry food ingredients (antioxidants, antimicrobial agents, flavorings), and/or improve the mechanical and handling characteristics of the product. In some cases, the films and edible/biodegradable coatings can replace synthetic packaging.