Systematic comparison of nutraceuticals and antioxidant potential of cultivated, in vitro cultured and commercial Melissa officinalis samples

► Melissa officinalis L. is a source of nutraceuticals. ► Infusions of commercial samples showed high antioxidant potential. ► In vitro cultured sample showed high contents in tocopherols and ascorbic acid. ► In vitro culture can be used to increase the production of some metabolites.