Lipid hydrophobicity and physical state effects on the properties of bilayer edible films
Edible bilayer films based on methylcellulose, used as the film-forming substance, and lipid mixtures, as barriers against moisture transfers, were prepared. The thickness of the lipid layer had little influence on film mechanical properties, regardless of the nature and the solid content of the fat...
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| Veröffentlicht in: | Journal of membrane science 2000-12, Vol.180 (1), p.47-55 |
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| container_title | Journal of membrane science |
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| creator | Debeaufort, Frédéric Quezada-Gallo, Jesus-Alberto Delporte, Bruno Voilley, Andrée |
| description | Edible bilayer films based on methylcellulose, used as the film-forming substance, and lipid mixtures, as barriers against moisture transfers, were prepared. The thickness of the lipid layer had little influence on film mechanical properties, regardless of the nature and the solid content of the fat layer. Mechanical resistance was mainly attributed to the methylcellulose matrix. The water vapor transfer rate (WVTR) decreased substantially when film thickness increased up to 100
μm. Upwards, transfer seemed to be independent of thickness. The WVTR was 1.5 up to 2.5 higher for triglyceride lipid layers than alkane lipid layers. Also, WVTR increased by a factor of 25–75 when the liquid fraction in the fat phase increased. |
| doi_str_mv | 10.1016/S0376-7388(00)00532-9 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0376-7388 |
| ispartof | Journal of membrane science, 2000-12, Vol.180 (1), p.47-55 |
| issn | 0376-7388 1873-3123 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_21435093 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Alkanes Cellulose Edible films Hydrophobicity Lipids Mechanical properties Methylcellulose Paraffins Plastic films Triglycerides Water vapor permeability |
| title | Lipid hydrophobicity and physical state effects on the properties of bilayer edible films |
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