Enhancement of sweetpotato tolerance to chromium stress through melatonin and glutathione: Insights into photosynthetic efficiency, oxidative defense, and growth parameters ScienceDirect Night Night (Liposomal Spray) Melatonin and nitric oxide modulate glutathione content and glutathione reductase activity in sunflower seedling cotyledons accompanying salt stress ScienceDirect Melatonin as a master regulator of cell death and inflammation: molecular mechanisms and clinical implications for newborn care Cell Death & Disease The MOST POWERFUL Antioxidant Is Melatonin, NOT Glutathione