1. Hormone postulated to mediate photoperiodicity ni osin. Idilọwọ cerebellar nitric oxide synthetase
2. Melatonine le ṣee lo ni ifakalẹ oorun, ṣe atunṣe rhythm circadian, antioxidant, scavenger radical free
3. Immunostimulant; Melatonin ligand receptor
4. Melatonin ni awọn ipa ti o ni idiwọn lori awọn ipa ọna apoptotic, idinamọ apoptosis ni awọn sẹẹli ajẹsara ati awọn iṣan ṣugbọn igbelaruge iku apoptotic ti awọn sẹẹli alakan. Idilọwọ awọn afikun / metastasis ti awọn sẹẹli alakan igbaya nipasẹ didi iṣe iṣe olugba estrogen.