Based on extensive epidemiological observation, fruits and vegetables that are a rich source
of carotenoids are thought to provide health benefits by decreasing the risk of various …

It is widely accepted that a healthy diet is an important factor in preventing chronic diseases,
and in improving energy balance and weight management. Studies have shown strong …

The harnessing of solar energy by photosynthesis depends on a safety valve that effectively
eliminates hazardous excess energy and prevents oxidative damage to the plant cells. Many …

Lycopene and beta-carotene are carotenoids widely distributed in fruits and vegetables, with
potential anticancer activity. Epidemiological trials rarely provide evidence for the …

Lutein and zeaxanthin are xanthophyll carotenoids found particularly in dark-green leafy
vegetables and in egg yolks. They are widely distributed in tissues and are the principal …

Reactive oxygen species (ROS) generated in the presence of O2 by mitochondria,
phagocytic cells, peroxisomes, and cytochrome P450 enzymes under physiological …

Melatonin is a natural compound synthesized by a variety of organs. It has been shown to
function as a cell-protective agent. Since 1994, when the first paper was published …

The recent search for new anti-cancer drugs focuses more on natural compounds from the
regular human diet because these compounds rarely exhibit severe side-effects yet …

Cancer cells produce high levels of reactive oxygen species (ROS) that lead to a state of
increased basal oxidative stress. Since this state of oxidative stress makes cancer cells …

Neoxanthin and fucoxanthin, which have the characteristic structure of 5, 6-monoepoxide
and an allenic bond, were previously found to reduce the viability of human prostate cancer …