The Use Of Nitrogen Membrane Generators In The Food Industry

By Tammie Caldwell


The main goal of any business dealing with food is the maintenance of freshness. This is important because foods of various kinds have to travel long distances and there is also the convenience of packaged products which are used by many around the world. This article will look at how the food industry benefits from Nitrogen Membrane Generators.

Packaged foods are usually carried in food trucks to their destination. When a customer decides to buy a particular food item, they want to be sure that it looks and taste the way it should. Many times a person will not purchase something that does not meet their standard of what quality is or what the companies claim it should be.

One of the main reasons for the spoilage of food over time is oxidation. This is a process where oxygen reacts with the food changing the way it looks, taste and smell. This happens to many different types of food like apples. When they are cut, the white flesh of the fruit exposed to the air turns brown and soon becomes inedible.

This is one of the reasons why nitrogen is used in the packaging of food. It does not change the color, flavor or aroma of the food the way oxygen would. It also helps to minimize the bacterial growth that easily occurs in food. This is due to the fact that nitrogen is an inert gas and will not react with other chemicals in edible products.

Oxidation does not only affect the color of the food in question, but it also interacts with natural oils creating rancidity. To prevent this process from taking place, nitrogen blanketing is used to stop the process of rancidity which helps to maintain the freshness of the product. Items with naturally occurring oils in them include chips and other snack foods that have a significant amount of oil.

The nitrogen used must also be of a quality that is compatible with food. There is an industry standard which suppliers have to comply with in order to be able to use this gas in the packaging of food. The purity level of the nitrogen is also important and depending on the food can range from 95% to 99.9% purity. An oxygen meter is used by companies to measure the minimum amount of oxygen in the package that can remain without spoilage to determine how pure the nitrogen should be.

When membrane technology is used to generate nitrogen, the purity level of it is usually less than 98%. This might be good enough for certain companies that manufacture certain types of foods, but it might not be good for others. In this case, another system is usually used if a higher percentage of purity is needed.

Advanced technology have allowed members of the food industry to create products that will not spoil after a short period of time. This is good for those in business because they will be able to serve millions of customers all over the country. However, it is also good for the customer since they will be able to have foods that are convenient to use.




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