Oxygen absorbers are revolutionized to increase the shelf life of dehydrated food; the existence of oxygen reduces the storage life of food and causes oxidative deterioration. The small packets of o-busters are made of material that is containing an iron zinc powder and salt (tata), which is not allowed to enter oxygen and moisture. The oxygen supports the growth of bacteria, fungi, odors and causes changes in color of packaged foods. Oxygen absorbers are remove oxygen more effectively than vacuum packaging.
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