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Natural antioxidants: Applications in animal nutrition

13 Jun 2022

Natural antioxidants: Applications in animal nutrition

Natural antioxidants and their application in animal nutrition presents itself as promising and necessary under current productive conditions. Oxidative stress is an imbalance between production and neutralization of free radicals by antioxidant defense mechanisms. Low quantities of reactive oxygen species (ROS) are necessary for the organism’s physiological functions. However, when these substances are found in excess, they cause oxidative damage in several molecules which impacts DNA and cellular proteins negatively, as well as causing lipid peroxidation of cell membranes (Rahal et al. , 2014).

In production animals there is a well established correlation between the onset of certain diseases and the reduction of antioxidant status. Oxidative stress is also implicated in many pathological disorders that affect:

  • health
  • well-being
  • and the productive parameters of animals

In fact, in certain productive stages, animals face physiological changes like birth and lactation, or environmental changes, such as weaning or environmental temperature which generate stress. This in turn results in a diminished antioxidant status (Rossi et al. , 2009).

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A good antioxidant status in animals can also positively affect meat quality parameters, improving vitamin E content while reducing lipid peroxidation.

Now more than ever, consumers tend to look for products of animal origin which are considered as safe and natural products. Therefore, it  is imperative for producers to replace synthetic substances used for production purposes, with natural ones. As a result, several recent studies have been focused on finding natural alternatives to synthetic antioxidants for their use as animal feed additives.

Natural antioxidantsIn fact, natural extracts, essential oils, and plant byproducts contain bioactive compounds that are potent natural antioxidants.




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