Food Packaging

The Importance of Oxygen Absorbers in Food Preservation: A Guide to Using and Choosing the Best Absorbers
F‍igure 1. OxySorb Oxygen Absorber
As someone who is passionate about food preservation, I have come to appreciate the importance of oxygen absorbers in keeping food fresh and safe for extended periods. Oxygen absorbers are an essential tool in food preservation, and they offer several benefits that make them an indispensable part of any food storage system.
In this article, I will provide you with a comprehensive guide to oxygen absorbers in food preservation. We will discuss what oxygen absorbers are, how they work, the different types of oxygen absorbers, and factors to consider when choosing the best oxygen absorbers. I will also share dos and don'ts when using oxygen absorbers in food storage, common misconceptions, a buying guide for comparing different brands, and what you need to know about oxygen absorbers and food packaging.
What Are Oxygen Absorbers and How Do They Work?
Oxygen absorbers are small packets that contain iron powder, which reacts with oxygen to form rust. The rust formation helps to remove oxygen from the air, creating a vacuum inside the package, which helps to preserve the food. Oxygen absorbers are effective in removing oxygen from food packaging because they contain a high concentration of iron, which reacts with the oxygen in the air.
Oxygen absorbers work by absorbing the oxygen in the air, which helps to prevent the growth of bacteria, mold, and other microorganisms that can spoil food. The absence of oxygen inside the package also helps to prevent oxidation, which can cause food to lose its flavor, color, and nutritional value over time. Oxygen absorbers are an excellent tool for extending the shelf life of food, making them ideal for long-term food storage.
Types of Oxygen Absorbers - Advantages and Disadvantages
There are three main types of oxygen absorbers:
1. Iron-based oxygen absorbers: These are the most common type of oxygen absorbers and are made of iron powder. They are effective in removing oxygen from the air and are ideal for most food storage applications.
2. Organic-based oxygen absorbers: These absorbers are made of organic materials, such as sugar, that react with oxygen to create a vacuum. They are ideal for preserving organic foods and products that are sensitive to moisture.
3. Sodium-based oxygen absorbers: These are the newest type of oxygen absorbers and are made of sodium, which reacts with oxygen to form sodium oxide. They are ideal for food that is high in moisture content.
Each type of oxygen absorber has its advantages and disadvantages. Iron-based oxygen absorbers are the most common and effective, but they may not be suitable for preserving some organic foods. Organic-based oxygen absorbers are ideal for organic foods, but they may not be as effective as iron-based absorbers in removing oxygen from the air. Sodium-based oxygen absorbers are effective in preserving food with high moisture content, but they may not be suitable for all types of food.
Factors to Consider When Choosing the Best Oxygen Absorbers
When choosing the best oxygen absorbers for food preservation, there are several factors to consider. Here are some of the most important factors to keep in mind:
1. Type and Size of Food: The type and size of food you are storing will determine the type and size of oxygen absorber you need. Different foods require different levels of oxygen removal, so it is important to choose an absorber that is appropriate for the food you are storing.
2. Oxygen Absorber Capacity: The capacity of the oxygen absorber you choose will depend on the size of the container or bag you are using. You should choose an absorber that has a capacity that matches the size of your container.
3. Brand and Quality: The brand and quality of the oxygen absorber you choose will determine its effectiveness and longevity. It is essential to choose a reputable brand that produces high-quality oxygen absorbers.
4. Storage Conditions: The storage conditions of the food you are preserving will also influence the type of oxygen absorber you choose. For example, if you are storing food in a high-moisture environment, you may need to use a sodium-based oxygen absorber.
Figure 3. OxySorb Oxygen Absorber in a Pizza Base packaging
Using Oxygen Absorbers in Food Storage - Dos and Don'ts
Using oxygen absorbers in food storage is a straightforward process, but there are some dos and don'ts that you should keep in mind. Here are some of the most important things to remember when using oxygen absorbers:
Dos:
- Use the right size and type of oxygen absorber for the food you are storing.
- Store the food in an airtight container or bag to maximize the effectiveness of the oxygen absorber.
- Use a vacuum sealer to remove as much air as possible from the container before adding the oxygen absorber.
- Store the food in a cool, dry, and dark place to extend its shelf life.
Don'ts:
- Don't use more than one oxygen absorber in a single container or bag.
- Don't open the oxygen absorber packet until you are ready to use it.
- Don't use oxygen absorbers in containers that are not airtight.
Common Misconceptions About Oxygen Absorbers
There are several common misconceptions about oxygen absorbers that can lead to confusion and misunderstandings. Here are some of the most common misconceptions and the truth behind them:
Misconception #1: Oxygen absorbers are harmful to humans.
The truth is that oxygen absorbers are safe to use and are not harmful to humans. However, it is essential to keep them out of reach of children and pets.
Misconception #2: Oxygen absorbers are the same as silica gel packets.
The truth is that oxygen absorbers and silica gel packets are not the same. Silica gel packets are used to absorb moisture, while oxygen absorbers are used to remove oxygen from the air.
Misconception #3: Oxygen absorbers can be reused.
The truth is that oxygen absorbers cannot be reused. Once the packet is opened, the iron powder inside will begin to react with the air, and the absorber will lose its effectiveness.
Comparing Different Brands of Oxygen Absorbers - A Buying Guide
When comparing different brands of oxygen absorbers, there are several factors to consider. Here are some of the most important factors to keep in mind:
1. Brand Reputation: Choose a brand that has a good reputation for producing high-quality oxygen absorbers.
2. Oxygen Absorption Rate: Look for an absorber that has a high oxygen absorption rate to ensure maximum effectiveness.
3. Shelf Life: Choose an absorber with a long shelf life to ensure that it will last as long as possible.
4. Quantity and Price: Choose an absorber that comes in a quantity that meets your needs and is priced competitively.
Oxygen Absorbers and Food Packaging - What You Need to Know
Oxygen absorbers can be used in a variety of food packaging applications, including vacuum-sealed bags, plastic containers, and metal cans. When using oxygen absorbers in food packaging, it is essential to choose the right type and size of absorber for the packaging you are using. It is also important to ensure that the packaging is airtight to maximize the effectiveness of the absorber.
Conclusion and Final Thoughts
In conclusion, oxygen absorbers are an essential tool in food preservation, offering several benefits that make them an indispensable part of any food storage system. When choosing the best oxygen absorbers for food preservation, it is important to consider factors such as the type and size of food, absorber capacity, brand and quality, and storage conditions.
By following the do's and don'ts of using oxygen absorbers in food storage, you can maximize their effectiveness and extend the shelf life of your food. I hope this guide has been helpful in providing you with the information you need to choose and use the best oxygen absorbers for your food preservation needs.
Read more about Oxygen Absorbers in this scientific publication by the owner of Oxygen Absorber Australia; https://pubmed.ncbi.nlm.nih.gov/25829570/
Our brand and main website is www.oxygenabsorber.com.au
Please note all products are priced in $AUD (Australian Dollars)