Conference Abstract Book

Evmorfia Athanasopoulou 7 th International Conference of Food Science and Technology Synthesis and characterization of films Film forming solution and synthesis of films ✓ 40% ethylene glycol as plasticizer ✓ Drying at ambient conditions (40% RH, 25℃) ✓ Preconditioning (58% RH, 7 days) ✓ Optical properties • Method CIELAB ❑ L lightness ❑ a redness / greenness ❑ b yellowness / blueness • Room temperature • 16 repetitions for each film ✓ UV barrier properties • Films 3 × 3 cm 2 • 200–800 nm • Spectrophotometer VWR®Double Beam UV × VIS 6300 PC • 4 repetitions for each film ✓ Mechanical properties • Thickness in 5 points of each replicate • Tensile strength ( TS , Μ Pa), elongation at break ( Ε , %) & Young’s modulus ( YM , MPa) • ASTM D882-12 • 12 repetitions for each film ✓ Water properties • Water solubility • Water content • Water contact angle • Water Vapor Transmission Rate & Water Vapor Permeability ✓ Scanning Electron Microscopy ✓ Fourier transform infrared* • infrared region: 4000-400 cm − 1 • spectral resolution: 4 cm − 1 • accumulating 64 scans