Barrier technology - Introduction - Edible coatings and berries in food applications

9 important questions on Barrier technology - Introduction - Edible coatings and berries in food applications

What are examples of lipid films?

Waxes, acylglycerols and fatty acids
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What are heterogeneous films?

It implies the use of more than one phase, usually a lipid and an aqueous, bio-polymeric phase, applied as emulsions, or as multi-layered films
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What are examples of biopolymers films?

Solutions of proteins, cellulose derivates, alginates, pectins, starches or other polysaccharides
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What kind of film can be used for retardation of migration of solutes?

Biopolymers, lipid or heterogeneous
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What kind of film can be used for improvement of structural integrity of handling properties?

Biopolymers, lipid or heterogeneous
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What kind of film can be used for retain volatile flavour components?

Biopolymers, heterogeneous
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What kind of film can be used for convey food additives?

Biopolymers, lipid or heterogeneous
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What are 3 types of films?

Biopolymers, lipid, heterogeneous
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Which two domains are the basis of the design of a good barrier?

  • Thermodynamics (chemical potential differences, sorption isotherms and driving forces)
  • Dynamics (mobility and diffusivity)
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