| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Prunella vulgaris | Inflorescence | 61000.0 | 74000.0 | 1.7 | * |
| Salvia officinalis | Plant | 30000.0 | 50600.0 | 1.4 | * |
| Salvia officinalis | Inflorescence | 30000.0 | 42000.0 | 0.3 | * |
| Rosmarinus officinalis | Inflorescence | 25000.0 | 43000.0 | 0.3 | * |
| Prunella vulgaris | Plant | 17400.0 | 61000.0 | 2.0 | Fitoterapia No.62: 166. |
| Origanum vulgare | Shoot | 16600.0 | 50000.0 | 1.5 | * |
| Glechoma hederacea | Leaf | 14800.0 | 25000.0 | 2.3 | * |
| Perilla frutescens | Leaf | 10300.0 | 12100.0 | 0.6 | Yakugaku Zasshi, 106: 1108. |
| Melissa officinalis | Plant | 8400.0 | 47000.0 | 1.1 | * |
| Thymus vulgaris | Shoot | 5000.0 | 13500.0 | -0.2 | * |
| Origanum vulgare | Plant | 4000.0 | 55000.0 | 1.6 | * |
| Satureja montana | Plant | 3000.0 | 12000.0 | -1.0 | * |
| Prunella vulgaris | Flower | 2600.0 | 19300.0 | 1.0 | Yakugaku Zasshi, 106: 1108. |
| Salvia officinalis | Shoot | 2000.0 | 5800.0 | -0.6 | * |
| Ocimum basilicum | Plant | 1000.0 | 19000.0 | -0.6 | * |
| Mentha x piperita | Shoot | 700.0 | 1800.0 | -0.8 | * |
| Borago officinalis | Plant | 500.0 | 7000.0 | -1.3 | Fitoterapia No.62: 166. |
| Ocimum tenuiflorum | Leaf | 200.0 | 300.0 | -1.0 | * |
| Ocimum tenuiflorum | Stem | 80.0 | 340.0 | -1.0 | * |
| Mentha arvensis var. piperascens | Leaf | 71.0 | 228.0 | -1.0 | * |