In recent years, interest in the health effects of natural antioxidants has increased due to
their safety and applicability in cosmetic formulation. Nevertheless, efficacy of natural …

Oxygen‐free radicals, reactive oxygen species (ROS) or reactive nitrogen species (RNS),
are known by their “double‐sided” nature in biological systems. The beneficial effects of …

Hepatic ischemia reperfusion injury (IRI) is not only a pathophysiological process involving
the liver, but also a complex systemic process affecting multiple tissues and organs. Hepatic …

Reactive oxygen species (ROS) are generated as by-products of aerobic respiration and
metabolism. Mammalian cells have evolved a variety of enzymatic mechanisms to control …

Vitamin E is an important fat-soluble antioxidant and has been in use for more than 50 years
in dermatology. It is an important ingredient in many cosmetic products. It protects the skin …

Four tocopherols are available in nature and are absorbed with the diet, but only one RRR-α-
tocopherol satisfies the criteria of being a vitamin. The biological activity of the different …

Sesame seed is a reservoir of nutritional components with numerous beneficial effects along
with health promotion in humans. The bioactive components present in the seed include …

Our knowledge of the uptake and transport of dietary fat and fat-soluble vitamins has
advanced considerably. Researchers have identified several new mechanisms by which …

L-Tyrosine (Tyr) is an aromatic amino acid (AAA) required for protein synthesis in all
organisms, but synthesized de novo only in plants and microorganisms. In plants, Tyr also …

Background: Supplements containing ascorbic acid, α-tocopherol, or β-carotene do not
protect against oxidative stress–related diseases in most randomized intervention trials. We …