Preserving food
The food is one of the major influential environmental factors on human health, the quality, quantity and type of food consumed depends wellbeing, comfort or appearance of disease: nutrition, digestive disorders, poisoning, poisoning, etc. From food purchase and consumption of go sometimes until hours or days on end. At this time, food must be kept in appropriate conditions, depending on their form of presentation. There many ways to preserve food. For example in bags sealed with a bag sealer. There in different sizes big or small or portable.
If you do not meet these conditions, the food alters, ie change its organoleptic properties and become harmful to humans. Alteration is favored by temperature, the action of light and oxygen in the air, the presence of microorganisms.
