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- Title
Antioxidant Nutraceutical Strategies in the Prevention of Oxidative Stress Related Eye Diseases.
- Authors
Rodella, Umberto; Honisch, Claudia; Gatto, Claudio; Ruzza, Paolo; D'Amato Tóthová, Jana
- Abstract
This review aims to discuss the delicate balance between the physiological production of reactive oxygen species and the role of antioxidant nutraceutical molecules in managing radicals in the complex anatomical structure of the eye. Many molecules and enzymes with reducing and antioxidant potential are present in different parts of the eye. Some of these, such as glutathione, N-acetylcysteine, α-lipoic acid, coenzyme Q10, and enzymatic antioxidants, are endogenously produced by the body. Others, such as plant-derived polyphenols and carotenoids, vitamins B2, C, and E, zinc and selenium, and omega-3 polyunsaturated fatty acids, must be obtained through the diet and are considered essential nutrients. When the equilibrium between the production of reactive oxygen species and their scavenging is disrupted, radical generation overwhelms the endogenous antioxidant arsenal, leading to oxidative stress-related eye disorders and aging. Therefore, the roles of antioxidants contained in dietary supplements in preventing oxidative stress-based ocular dysfunctions are also discussed. However, the results of studies investigating the efficacy of antioxidant supplementation have been mixed or inconclusive, indicating a need for future research to highlight the potential of antioxidant molecules and to develop new preventive nutritional strategies.
- Subjects
EYE physiology; FUNCTIONAL foods; OXYGEN consumption; ANTIOXIDANTS; OXIDATIVE stress; DIETARY supplements; DIET therapy; AGING; MOLECULAR structure; EYE diseases; OXIDATION-reduction reaction
- Publication
Nutrients, 2023, Vol 15, Issue 10, p2283
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu15102283