As a supplier of ethylene absorbers, I often receive inquiries from customers about the usage of our products, especially whether ethylene absorbers can be used in a closed container. This is a crucial question that directly impacts the effectiveness of ethylene control and the quality preservation of various produce and products. In this blog, I will delve into the scientific basis, practical applications, and benefits of using ethylene absorbers in closed containers. Ethylene Absorbers
The Science Behind Ethylene and Its Effects
Ethylene is a natural plant hormone that plays a significant role in the ripening process of fruits and vegetables. It is a colorless and odorless gas that is produced by plants as they mature. While ethylene is essential for the normal ripening of many fruits, excessive levels of this gas can lead to premature ripening, over – ripening, and spoilage. This is particularly problematic in closed environments where ethylene can accumulate rapidly.
In a closed container, the limited air circulation allows ethylene to build up to high concentrations. Fruits and vegetables that are sensitive to ethylene, such as apples, bananas, and tomatoes, can be severely affected. For example, apples produce a relatively large amount of ethylene. If they are stored in a closed container with other ethylene – sensitive produce, the ethylene released by the apples can cause the other fruits to ripen too quickly, resulting in a shorter shelf – life and a decrease in quality.
How Ethylene Absorbers Work
Ethylene absorbers are designed to remove ethylene gas from the surrounding environment. Most of our ethylene absorbers are based on a chemical reaction that oxidizes ethylene into carbon dioxide and water. The main active ingredient in our absorbers is a metal oxide, which acts as a catalyst for the oxidation reaction.
When ethylene comes into contact with the surface of the absorber, it reacts with the metal oxide. The metal oxide provides an oxygen atom to the ethylene molecule, breaking the double bond in the ethylene and converting it into a more stable compound. This process effectively reduces the concentration of ethylene in the air.
Using Ethylene Absorbers in Closed Containers
The use of ethylene absorbers in closed containers is highly effective and beneficial. In a closed system, the absorber can continuously remove ethylene as it is produced, preventing the gas from reaching levels that would cause premature ripening or spoilage.
1. Storage of Fruits and Vegetables
When storing fruits and vegetables in a closed container, such as a plastic storage box or a shipping crate, ethylene absorbers can significantly extend their shelf – life. For instance, if you are storing a batch of strawberries, which are very sensitive to ethylene, placing an ethylene absorber in the container can slow down the ripening process and keep the strawberries fresh for a longer time. The absorber will continuously remove the ethylene produced by the strawberries themselves and any other ethylene – producing fruits that might be in the same container.
2. Flower Preservation
Flowers also produce ethylene, and high levels of this gas can cause them to wilt and lose their petals prematurely. In a closed flower box or a vase with a lid, an ethylene absorber can help maintain the freshness of the flowers. It will remove the ethylene released by the flowers, keeping them looking vibrant and beautiful for a longer period.
3. Industrial Applications
In industrial settings, closed containers are often used to store and transport various products. For example, in the pharmaceutical industry, some products may be sensitive to ethylene. Using ethylene absorbers in the storage containers can protect these products from the harmful effects of ethylene.
Advantages of Using Ethylene Absorbers in Closed Containers
1. Extended Shelf – Life
As mentioned earlier, the most significant advantage is the extension of the shelf – life of produce and products. By removing ethylene, the absorbers slow down the ripening and spoilage processes, allowing for longer storage and transportation times.
2. Quality Preservation
The quality of fruits, vegetables, and flowers is better maintained when ethylene levels are controlled. The produce will have a more consistent color, texture, and flavor, which is important for both consumers and retailers.
3. Cost – Efficiency
Using ethylene absorbers can reduce the amount of waste due to spoilage. This is especially important for large – scale producers and distributors, as it can lead to significant cost savings in the long run.
Considerations When Using Ethylene Absorbers in Closed Containers
1. Container Size
The size of the container is an important factor to consider. The number of ethylene absorbers needed depends on the volume of the container. A larger container will require more absorbers to effectively remove ethylene. As a general rule, we recommend using one absorber for every [X] cubic feet of container space. However, this may vary depending on the type of produce or product being stored and the amount of ethylene they produce.
2. Ventilation
Although the container is closed, some degree of ventilation is still necessary. This is because the oxidation reaction in the ethylene absorber produces carbon dioxide and water. If there is no ventilation, the build – up of these by – products can create a humid and carbon – dioxide – rich environment, which may have negative effects on the stored items. A small amount of air exchange can help maintain a healthy environment inside the container.
3. Temperature and Humidity
Temperature and humidity can also affect the performance of ethylene absorbers. Higher temperatures generally increase the rate of ethylene production and the reaction rate of the absorber. However, extremely high temperatures can also reduce the effectiveness of the absorber. Similarly, high humidity can cause the absorber to become saturated more quickly. It is important to monitor and control the temperature and humidity inside the container to ensure optimal performance of the ethylene absorbers.
Conclusion
In conclusion, ethylene absorbers can and should be used in closed containers. They offer a practical and effective solution for controlling ethylene levels, extending the shelf – life, and preserving the quality of various produce and products. Whether you are a farmer, a retailer, or an industrial manufacturer, using ethylene absorbers in your closed storage and transportation containers can bring significant benefits.
Humidity Control Pack If you are interested in learning more about our ethylene absorbers or would like to discuss your specific needs, please feel free to contact us. We are committed to providing high – quality products and professional advice to help you achieve the best results in ethylene control.
References
- Kader, A. A. (2002). Postharvest technology of horticultural crops. University of California, Division of Agriculture and Natural Resources.
- Saltveit, M. E. (1999). Role of ethylene in postharvest physiology of vegetables. Horticultural Reviews, 23, 1 – 40.
- Abeles, F. B., Morgan, P. W., & Saltveit, M. E. (1992). Ethylene in plant biology. Academic Press.
Shenzhen Chunwang New Materials Co., Ltd.
Established in 1998, Shenzhen Chunwang New Materials Co., Ltd. is well-known as one of the leading manufacturers and suppliers of ethylene absorbers in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap ethylene absorbers made in China.
Address: Tongle Sixth Industrial Area, Longgang Dist, Shenzhen ,China
E-mail: dong@chun-wang.com
WebSite: https://www.absorbwell.com/
