| Common name/species | Phytomelatonin content(ng․g-1 DW) | References |
| Thyme/Thymus vulgaris L. | 38,000 | Stege et al., 2010 |
| Chinese liquorice/Glycyrrhiza uralensis Fisch. | 34,000 | Afreen et al., 2006 |
| Sage/Salvia officinalis L. | 29,000 | Stege et al., 2010 |
| St. John’s wort/Hypericum perforatum L. | 23,000 | Murch and Saxena, 2006 |
| Peppermint/Mentha piperita | 19,500 | Chen et al., 2003 |
| Cat’s claw herb/Uncaria rhynchophylla Miq. | 2,460 | Chen et al., 2003 |
| Tokyo violet/Viola philipica Cav. | 2,360 | Chen et al., 2003 |
| Feverfew/Tanacetum parthenium L. | 1,700 | Murch et al., 1997 |
| Mulberry/Morus alba L. | 1,510 | Chen et al., 2003 |
| Aloe/Aloe vera L. | 516 | Chen et al., 2003 |
| Clove/Syzygium aromaticum L. | 446 | Chen et al., 2003 |
| Yarrow/Achillea millefolium L. | 340 | Marioni et al., 2008 |
| Figwort/Scrophularia ningpoensis Hemsl. | 342 | Chen et al., 2003 |
| Korean mint/Agastache rugosa Kuntz. | 300 | Chen et al., 2003 |
| Qin Jiao/Gentiana macrophylla Pall. | 180 | Chen et al., 2003 |
| Scullcap/Scutellaria amoena C.H.Wright | 178 | Chen et al., 2003 |
| Japanese honeysuckle/Lonicea japonica Thunb | 140 | Chen et al., 2003 |
| Curcuma/Curcuma aeruginosa Roxb. | 120 | Chen et al., 2003 |