Packaging

Oxygen is the great enemy of frozen food quality. Oxygen can be excluded by covering the product with sauce, by water glazing of fish or using packaging with a low oxygen permeability that can be reinforced by exhausting the package before sealing, by gas flushing, or by skin packaging (17), in which the preheated film is dropped onto the product, which is supported on a lower web of the same film. On withdrawing the air between the two films, a skintight package is formed, which is then heat sealed in a vacuum chamber. Figures 1 and 2 illustrate the effects of some common packaging materials on the stability of vari-

Temperature (°C)

Figure 1. The effect of various packaging materials on shelf life of individually packaged hamburger meat.

Temperature (°C)

Figure 1. The effect of various packaging materials on shelf life of individually packaged hamburger meat.

Sleeping Sanctuary

Sleeping Sanctuary

Salvation For The Sleep Deprived The Ultimate Guide To Sleeping, Napping, Resting And  Restoring Your Energy. Of the many things that we do just instinctively and do not give much  of a thought to, sleep is probably the most prominent one. Most of us sleep only because we have to. We sleep because we cannot stay awake all 24 hours in the day.

Get My Free Ebook


Post a comment