Melatonin was initially extracted from the pineal gland and was thought to be produced
exclusively by this organ. Subsequently it was shown that melatonin is also produced in …

Preservation of a robust circadian rhythmicity (particulsarly of the sleep/wake cycle), a
proper nutrition and adequate physical exercise are key elements for healthy aging. Aging …

Melatonin (N-acetyl-5-methoxytryptamine) is a ubiquitous molecule with pleiotropic actions
in different organisms. It performs many important functions in human, animals, and plants; …

Melatonin is a ubiquitous molecule and widely distributed in nature, with functional activity
occurring in unicellular organisms, plants, fungi and animals. In most vertebrates, including …

This review summarizes the present knowledge on melatonin in several areas on
physiology and discusses various prospects of its clinical utilization. Ever increasing …

Melatonin is a pleiotropic hormone synthesized and secreted mainly by the pineal gland in
vertebrates. Melatonin is an endogenous regulator of circadian and seasonal rhythms …

Melatonin (N‐acetyl‐5‐methoxytryptamine) was initially thought to be produced exclusively
in the pineal gland. Subsequently its synthesis was demonstrated in other organs, for …

Phytomelatonin (plant melatonin) is chemically related to the amino acid tryptophan and has
many diverse properties. Phytomelatonin is an interesting compound due to its outstanding …

Background The role of melatonin as a neurotransmitter has been much discussed and
studied topic in the animal kingdom but its possible role as a ubiquitous biomolecule with …

Melatonin was thought to originate primarily from the pineal gland and to be secreted during
the night, but recent studies revealed that gastrointestinal (GI) tract presents another, many …