Measuring the permeability of thin solid layers of natural waxes

Abstract

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Honeybees control the gas permeability of brood and honey cappings

“…Although the CO 2 conductance that we measured in the brood cappings is primarily the consequence of the pores, the low but not zero conductance of the honey capping is probably due to gas diffusion through the wax itself because of its partially crystalline structure 39 or to an occasional pores that we rarely observed. It may be an interesting future challenge to separate CO 2 flux into solid diffusion (wax) and air pathways using HelOx/NitOx techniques.…”

Formation of wax walled microcapsules via double emulsion using cross membrane emulsification at elevated temperatures

“…It is difficult to access the exact magnitude of differing process conditions on the permeability of the walls formed. This is because there is little published data on the pure wax materials, something which is needed in order to understand wall packing, and which is addressed in our subsequent paper (York et al 2019).…”

Current and future interventions for improving poultry health and poultry food safety and security: A comprehensive review

“…The skin's microtography is further altered by the development of ridges as a result of surface alterations during scorching, especially at hot temperatures, providing additional areas for microbial adhesion (Couteaudier & Denesvre, 2014; Dewi, et al., 2021). Carnauba wax coating fills the holes and smooths out the ridges to leave a smoother surface, which would reduce bacterial adhesion (York et al., 2019). Another study applied an active alginate coating onto the surface of poached and processed deli turkey samples inoculated with L. monocytogenes to find that after storage at 22°C for 7 days, the coated samples had a microbial load of between 3.0 and 4.9 log CFU/g less than the control sample (Juck et al., 2010).…”