THE ROLE OF POLYPHENOLS IN OXIDATIVE STRESS IN THE ORGANISM
DOI:
https://doi.org/10.47390/ydif-y2026v2i2/n04Keywords:
oxidative stress, radical, polyphenol, antioxidants, ROS, mitochondria, free radicals.Abstract
Oxidative stress is a condition in which there is an excessive, dangerous amount of free radicals in the body. Normally, these molecules are neutralized by a class of special compounds known as antioxidants. However, if antioxidant concentrations are insufficient or free radical processes are excessively stimulated, an imbalance occurs, a tendency to oxidative reactions occurs, which is a factor that damages cells, called oxidative stress. Consumption of large amounts of processed foods, lack of physical activity, and nutritional deficiencies of macro and micronutrients are causes of oxidative stress, which triggers inflammatory reactions in the human body. The main means of protection against oxidative stress in the body are antioxidants. Polyphenols can also be included in the same category of antioxidants. Polyphenols are secondary plant metabolites that play a role in protecting the body from ultraviolet radiation and pathogens.
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