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Factors affecting the moisture permeability of lipid-based edible films: a review
- Morillon, V., Debeaufort, F., Blond, G., Capelle, M., Voilley, A.
- Critical reviews in food science and nutrition 2002 v.42 no.1 pp. 67-89
- coatings, food packaging, permeability, hydrophobicity, packaging materials, chemical composition, fatty acids, ingredients, lipids, mechanical properties, water, temperature
- Moisture transfers inside food products could be controlled or limited by the use of edible films. These are usually based on hydrophobic substances such as lipids to improve barrier efficiency. Water permeability of films is affected by many factors, depending on both the nature of barrier components, the film structure (homogeneous, emulsion, multilayer, etc.), crystal type, shape, size and distribution of lipids, and thermodynamics such as temperature, vapor pressure, or the physical state of water in contact to the films. After a brief presentation of lipids and hydrophobic substances used as moisture barrier, cited in the scientific literature, this article reviews all of the parameters affecting barrier performances of edible films and coatings.