Abstract
The permeabilities of water vapour, O2 and CO2 were determined for 18 coating formulations. Water vapour transmission rate ranged from 98.8 g/m2.day (6% beeswax) to 758.0 g/m2.day (1.5% carboxymethyl cellulose with glycerol). O2 permeability at 14 ± 1°C and 55 ± 5% RH ranged from 1.50 to 7.95 cm3cm cm−2s−1Pa−1, with CO2 permeability 2 to 6 times as high. Permeability to noncondensable gases (O2 and CO2) was higher for hydrophobic (peanut oil followed by beeswax) coatings as compared to hydrophilic (whey protein concentrate and carboxymethyl cellulose).
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Mishra, B., Khatkar, B.S., Garg, M.K. et al. Permeability of edible coatings. J Food Sci Technol 47, 109–113 (2010). https://doi.org/10.1007/s13197-010-0003-7
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DOI: https://doi.org/10.1007/s13197-010-0003-7