1. IHormone ethunyelwe ukuba ilamle iphotoperiodicity kwizilwanyana ezanyisayo. Inqanda i-cerebellar nitric oxide synthetase
2. I-Melatonine ingasetyenziselwa ukulala, iguqula isigqi se-circadian, i-antioxidant, i-free radical scavenger.
3. I-Immunostimulant;I-Melatonin receptor ligand
4. I-Melatonin ineempembelelo ezinzima kwiindlela ze-apoptotic, inqanda i-apoptosis kwiiseli ze-immune kunye ne-neurons kodwa iphucula i-apoptotic cell death of cell cancer cells. Inqanda ukwanda / i-metastasis yeeseli zomhlaza webele ngokuthintela isenzo se-estrogen receptor.