Table 1 Phytomelatonin content of some edible plant species (Arnao and Hernandez-Ruiz, 2018)

Common name/species Phytomelatonin content (ng․g-1 DW or FW)a References
Coffee beans/Coffea sp. 5,800-6,500 DW Ramakrishna et al., 2012
Goji berry/Lycium barbarum L. 530-103 DW Chen et al., 2003; Manchester et al., 2000
Kidney bean sprouts/Phaseolus vulgaris L. 529 DW Aguilera et al., 2016
White radish/Raphanus sativus L. 485-0.6 DW Hattori et al., 1995; Chen et al., 2003
Jujube/Ziziphus jujube Lam. 256 DW Chen et al., 2003
White mustard/Brassica hirta L. 189 DW Manchester et al., 2000
Apple/Malus domestica Borkh. 134-0.4 FW Hattori et al., 1995; Lei et al., 2013
Black mustard/Brassica nigra L. 129 DW Manchester et al., 2000
Sweet cherry/Prunus avium L. 120-8.0 FW Zhao et al., 2013; Gonzalez-Gomez et al., 2009
Tomato/Solanum lycopersicum L. 114-0.3 FW Hattori et al., 1995; Sturtz et al., 2011
Fenugreek/Trigonella foecum-graecum L. 43 DW Manchester et al., 2000
Bellpepper/Capsicum annuum L. 42-9.0 FW Korkmaz et al., 2014
Almond/Prunus amygdalus Batsch. 39 DW Manchester et al., 2000
Sunflower/Helianthus annuus L. 29 DW Manchester et al., 2000
Fennel/Foeniculum vulgare Mill. 28 DW Manchester et al., 2000
Grape/Vitis vinifera L. 18-1.2 FW Stege et al., 2010; Vitalini et al., 2011
Alfalfa/Medicago sativa L. 16 DW Manchester et al., 2000
Cardamom/Elettaria cardamomum L. 15 DW Manchester et al., 2000
Strawberry/Fragaria ananassa Duch. 11.2-1.4 FW Sturtz et al., 2011