The Use Of Nitrogen Membrane Generators In The Food Industry

الأحد، 17 مايو 2015

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.

To make sure that the customer is satisfied, the companies make use of various processes in order to create the best environment for the quality of the food to be maintained. To do this, there has to be a way to prevent oxygen from interacting with the natural chemicals found in food. This interaction is known as oxidation, which can be seen when cut fruits like apples turn brown.

Since oxygen creates this situation, which is not good for the food industry, nitrogen is used to preserve edible items in packages. This inert gas does not change the color or flavor of the food and the aroma remains the same for a significantly longer period of time. Bacterial growth is also minimized to a great degree.

In addition to minimizing bacterial growth, it also helps in preventing rancidity caused by the natural oils found in food. These oils can be found in products like potato chips and other foods that have naturally occurring oils in them. A process known as blanketing coats the food with a layer of the inert gas which helps the product to have a longer shelf life.

An inert gas like nitrogen, cannot be used just as they are. They have to be food grade and must have a certain level of purity depending on the type of food that is being packaged. The purity level of the gas can begin at 95% and go up to a level of 99.9%. Most companies use an oxygen meter to help them decide on the level of purity they need.

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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