Marigold flowers have a calming effect on the central nervous system and reduce reflex excitability. They also possess antibacterial properties against several pathogens, especially staphylococci and streptococci. Substances derived from these flowers are used to treat burns, heavy wounds, sore throats, and stomatitis.
Marigold flowers contain essential oils, carotenoids (α- and β-carotenes, lycopene, lutein, violaxanthin), flavonoids, saponins, salicylic acid, tar, mucilage, organic acid.