Modified atmosphere packaging (MAP) is an innovative packaging technique in the food industry. MAP atmosphere technologies extend the shelf life of packaged food products to remain fresh and safe for consumption.
MAP packaging is a highly effective technique for preserving food items by altering the environment within the package. This method successfully safeguards food against spoilage and extends its shelf life by controlling factors such as:
Oxygen plays a critical role in lipid oxidation reactions that can negatively impact the shelf life. Additionally, high oxygen levels can cause accelerated respiration rates, ultimately leading to shorter lifespans and diminished quality.
The presence of moisture and oxygen is a breeding ground for aerobic spoilage. This poses a threat to your product’s quality and integrity. In addition, the growth of other harmful microorganisms may also become a possibility. Certain temperatures and even the presence of light can encourage growth.
MAP technologies reduce oxygen levels inside packages. This prevents spoilage since many microorganisms require oxygen to survive. Packaging materials include low-density polyethylene (LDPE), polypropylene (PP), or polyvinyl chloride (PVC). These permeable packaging materials allow the desired atmosphere to develop over time.
MAP packaging commonly uses these gasses used in gas mixtures during the packaging process:
MAP packaging is safe and a practical addition to good hygienic practices.
Food decay occurs naturally due to the activity of bacteria, enzymes, and oxidation reactions. Modifying the internal packaging atmosphere will slow down processes that can cause deterioration. The product boasts a longer shelf life without compromising its safety and appeal.
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Food quality goes beyond ensuring safety. Attributes like taste, texture, color, and smell contribute to the overall product quality. MAP packaging creates a conducive environment within the packaging, slowing down the degradation process. For example, controlling oxygen levels preserves the fresh red color of meat.
Many manufacturers treat food items with chemical preservatives to extend their shelf life. Although the quantities used in these additives are generally safe, some consumers prefer foods with fewer additives or minimal processing. MAP as food packaging is an alternative to extend the shelf life of products.
Businesses using MAP packaging can store and transport products with a longer shelf life without spoiling. With this advantage, businesses can expand their market reach. They can sell their products in outlying locations. Distance or transportation time won’t negatively affect the area for product distribution.
Implementing MAP packaging comes with costs for a business. However, the savings from reduced product loss due to spoilage can offset the expenses. Expanding your reach to distant markets can significantly boost your sales and profitability.
Using MAP is versatile as it can cater to various packaging types and materials that align with the product’s requirements. Fresh meat or fish are best stored in rigid trays. And cheese or snack foods are better suited for bags or pouches. Businesses can choose the most suitable packaging for their products without limitations associated with other preservation methods.
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