ISSUE FOCUS 32 FEED & ADDITIVE MAGAZINE December 2025 Fat Oxidation Control with Antioxidant Solutions Slaughterhouses Fresh / Frozen Meat Collection Rendering Pet Food Industry Dog & Cats “Liquid antioxidant application ensures that pet food products remain safe for animals throughout their intended shelf life. Effective management of fat oxidation is increasingly important as sustainability initiatives prompt manufacturers to reduce packaging layers. These modifications may result in greater oxygen migration, potentially accelerating fat oxidation processes. Antioxidants must be incorporated with precision at optimal dosages to ensure product shelf life and comply with the European Union's regulations on maximum permitted levels of antioxidant molecules.” Fat oxidation in pet food raw materials and finished products is a critical concern, as it can negatively impact both nutritional quality and palatability, ultimately affecting pet health. To control these issues, antioxidant molecules are systematically incorporated throughout the pet food production chain, as illustrated in Figure 1. Oxidation can begin as early as the raw material management stages and continue throughout all pet food processing and storage steps, up to the moment the product is fed to the animal. To address this, antioxidants—available in both liquid and dry forms—are applied at nine key points throughout the production process, from raw material handling Liquid Antioxidant Application: CHALLENGES RELATED TO TEMPERATURE FLUCTUATION Frank Clement Principal Technical Service Manager Kemin Nutrisurance Europe Figure 1. Fat oxidation must be controlled at every step of the pet food process1
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