As a supplier of Oxygen Absorber Food, I've witnessed firsthand the crucial role oxygen absorbers play in preserving the quality and safety of various food products. In this blog, I'll delve into the oxygen - removing efficiency of oxygen absorbers in food, exploring the factors that influence it, and highlighting the importance of these small yet powerful tools in the food industry.
The Basics of Oxygen Absorbers
Oxygen absorbers are small packets or sachets filled with materials that react with oxygen. The most common type of oxygen absorber uses iron powder as the active ingredient. When exposed to oxygen, iron powder undergoes oxidation, a chemical reaction that consumes oxygen and converts it into iron oxide. This process effectively reduces the oxygen level in the surrounding environment, such as a food package.
The use of oxygen absorbers in food storage has become widespread because oxygen can cause a variety of problems for food products. It can lead to the oxidation of fats and oils, resulting in rancidity and off - flavors. Oxygen also supports the growth of aerobic microorganisms, which can cause spoilage and reduce the shelf - life of food. By removing oxygen, oxygen absorbers help to maintain the freshness, flavor, and nutritional value of food.
Factors Affecting Oxygen - Removing Efficiency
Several factors can influence the oxygen - removing efficiency of oxygen absorbers.
Temperature
Temperature plays a significant role in the oxidation reaction of iron powder in oxygen absorbers. Generally, higher temperatures accelerate the reaction rate. At warmer temperatures, the molecules in the iron powder and oxygen have more kinetic energy, which increases the frequency of collisions between them. This leads to a faster oxidation process and more rapid oxygen removal.
Conversely, at lower temperatures, the reaction rate slows down. For example, in a cold storage environment, the oxygen - removing efficiency of an oxygen absorber may be reduced. However, it's important to note that while low temperatures slow down the reaction, they also help to preserve the food by reducing the activity of enzymes and microorganisms. So, the overall effect on food preservation can still be positive.
Humidity
Humidity is another important factor. Oxygen absorbers typically require a certain level of moisture to function effectively. Water acts as a catalyst in the oxidation reaction of iron powder. When the humidity is too low, the reaction may be sluggish, and the oxygen - removing efficiency will be compromised.
On the other hand, excessive humidity can also cause problems. High humidity can lead to the clumping of iron powder in the oxygen absorber, which may reduce the surface area available for the reaction with oxygen. This can result in a decrease in oxygen - removing efficiency. Therefore, it's essential to maintain an appropriate humidity level for optimal performance of oxygen absorbers.
Package Size and Oxygen Volume
The size of the food package and the initial volume of oxygen inside it also affect the oxygen - removing efficiency. A larger package with a greater volume of oxygen will require more oxygen absorbers or a more powerful absorber to achieve the desired oxygen reduction.
For example, if you are packaging a large quantity of food in a big container, you need to ensure that you use an appropriate number of oxygen absorbers based on the container's volume. Using too few oxygen absorbers may not be sufficient to remove all the oxygen, while using too many can be wasteful and increase the cost.
Type of Oxygen Absorber
There are different types of oxygen absorbers available in the market, and their oxygen - removing efficiency can vary. As mentioned earlier, iron - based oxygen absorbers are the most common. However, there are also other types, such as those based on ascorbic acid or enzyme - based systems.
Iron - based oxygen absorbers are known for their high oxygen - removing capacity and relatively fast reaction rate. They can quickly reduce the oxygen level in a food package to a very low level. Ascorbic acid - based oxygen absorbers, on the other hand, are more suitable for certain types of food where the use of iron may not be desirable, such as in some fruit - based products. However, their oxygen - removing efficiency may be different from that of iron - based absorbers.
Measuring Oxygen - Removing Efficiency
To determine the oxygen - removing efficiency of oxygen absorbers, several methods can be used.
One common method is to measure the oxygen concentration in a sealed food package before and after the use of an oxygen absorber. This can be done using an oxygen analyzer, which is a device that can accurately measure the percentage of oxygen in a gas sample. By comparing the initial and final oxygen concentrations, you can calculate the amount of oxygen removed by the absorber.
Another way is to monitor the time it takes for the oxygen level to reach a certain target. For example, in many food applications, the goal is to reduce the oxygen level in a package to below 0.1%. By recording the time it takes for the oxygen absorber to achieve this target, you can evaluate its efficiency.
Importance of Oxygen - Removing Efficiency in the Food Industry
The oxygen - removing efficiency of oxygen absorbers is of utmost importance in the food industry.
For food manufacturers, using oxygen absorbers with high efficiency can significantly extend the shelf - life of their products. This reduces the risk of spoilage and waste, which can save costs in the long run. It also allows manufacturers to distribute their products over longer distances and for longer periods without compromising on quality.
Retailers also benefit from the use of efficient oxygen absorbers. They can display food products on the shelves for a longer time, which reduces the frequency of restocking and improves inventory management. Consumers, on the other hand, can enjoy fresher and better - tasting food products.
Our Oxygen Absorber Food Products
As a supplier of Oxygen Absorber Food, we offer a wide range of high - quality oxygen absorbers. Our Iron Powder For Oxygen Absorber is carefully selected and processed to ensure optimal oxygen - removing efficiency. It has a high surface area, which allows for a faster reaction with oxygen.


Our Oxygen Absorbers for Food Storage are designed to meet the diverse needs of the food industry. Whether you are storing dry goods, snacks, or perishable items, we have the right oxygen absorber for you. Our products are rigorously tested to ensure that they can effectively reduce the oxygen level in food packages to a safe and desirable level.
Our Oxygen Absorber Food solutions are not only efficient but also safe for use in food applications. We follow strict quality control measures to ensure that our oxygen absorbers do not contaminate the food.
Contact Us for Procurement
If you are interested in our oxygen absorber products and would like to discuss your specific requirements, we encourage you to reach out to us. We have a team of experts who can provide you with detailed information about our products and help you choose the most suitable oxygen absorbers for your food packaging needs.
We understand the importance of oxygen - removing efficiency in the food industry, and we are committed to providing you with the best solutions. Whether you are a small - scale food producer or a large - scale manufacturer, we can work with you to ensure that your food products are well - preserved.
References
- "Food Packaging: Principles and Practice" by Yam, K. L., & Lee, S. Y.
- "Oxygen Absorbers and Their Application in Food Preservation" by Suppakul, P., Miltz, J., Sonneveld, K., & Bigger, S. W.
- Research papers on oxygen absorber technology from scientific journals such as the Journal of Food Science and the Journal of Agricultural and Food Chemistry.

