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The Operation 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.

One can tell how fresh a food is by the color, flavor, and aroma of it. If these three factors are not in place, a person will not buy the product because it is not appetizing. Also, one has to be careful of getting sick due to products that are not well preserved for a reasonable amount of time. This can cause companies to lose money and customers to lose faith in the companies if there are no solutions.

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.

Another issue with food and maintaining freshness is the natural oils contained in the products which can cause rancidity. This is also solved using nitrogen since it is inert and does not cause a reaction with other chemicals inside the food. This gas is used to blanket the product which prevents the oils from being oxidized. The oxygen levels found in the food have to be kept very low for this to take place.

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.

By having their products up to standard, companies in the food industry can provide the best service to their customers. Their products can be taken over long distances of several miles and the quality will remain the same. As a result, the customer can have convenience items that they can take with them on the go, knowing that they will last for a specific amount of time.

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