Plasticizer types and whey protein coatings on internal Switzerland

  • Plasticizer types and whey protein coatings on internal Switzerland
  • Plasticizer types and whey protein coatings on internal Switzerland
  • Plasticizer types and whey protein coatings on internal Switzerland
  • How effective are whey protein coatings?
  • The glycerol, propylene glycol, and sorbitol plasticizers associated to whey protein coatings were effective to reduce weight loss and preserve the albumen and yolk quality of stored eggs for up to 42 days a 20 °C. Loss of egg quality was reduced more effectively with the use of the whey protein concentrate + sorbitol.
  • What is whey protein edible film & coating?
  • Whey protein edible films and coatings use plasticizer content values between 10% to 60% (w / w). These levels depend on the properties of the film and the type of plasticizer used.
  • Are whey protein-based films and coatings a promising solution for protein biopolymers?
  • Particularly in the case of protein biopolymers, the use of whey protein-based films and coatings represents a promising solution since it allows for the valorization of this byproduct of the cheese industry. Besides, the films and coatings obtained from whey present excellent properties which will be highlighted in Section 3.
  • How whey protein is used to make films and coatings?
  • In the case of films and coatings produced with denatured whey protein, hydrogen, and disulfide bonds play a major role in their formation. While using whey protein in its native form, only hydrogen bonds contribute to the formation of films and coatings.
  • What is the difference between whey film and coating?
  • In the case of coatings, food products are immersed in the film-forming solution (approximately between 30 and 60 s) to ensure complete surface exposure with good adhesion and perfect integrity. Both films and coatings based on whey are flexible, colorless, odorless, and transparent.
  • How does glycerol affect whey protein films?
  • Glycerol produces the best effects on whey protein films, leading to more stable, flexible, and less brittle films under various relative humidities . Most plasticizers have hydroxyl groups that form hydrogen bonds with biopolymers and increase the free volume and flexibility of the film matrix.

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