| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Acacia farnesiana | Flower | -- | -- | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses | |
| Betula lenta | Bark | 2231.0 | 5988.0 | * | |
| Camellia sinensis | Leaf | -- | -- | * | |
| Cananga odorata | Flower | -- | -- | * | |
| Carica papaya | Fruit | -- | -- | * | |
| Chenopodium ambrosioides | Plant | -- | -- | * | |
| Chimaphila umbellata | Plant | -- | -- | Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980. | |
| Chiococca alba | Root | -- | -- | Tramil | |
| Cinnamomum aromaticum | Plant | -- | -- | * | |
| Cinnamomum aromaticum | Bark | -- | -- | Wealth of India. | |
| Dianthus caryophyllus | Flower | -- | 29.0 | 1.4 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Erythroxylum coca | Leaf | 25.0 | 175.0 | -0.7 | * |
| Erythroxylum novogranatense | Leaf | -- | 1300.0 | -0.3 | * |
| Ficus carica | Leaf | -- | -- | Blaschek, W., Hansel, R., Keller, K., Reichling, J., Rimpler, H., and Schneider, G. eds. 1998. Hager's Handbuch der Pharmazeutischen Praxis, Auflage Band 2 (A-K), 909 pp., (L-Z), 858 pp. Springer-Verlag, Berlin. | |
| Filipendula ulmaria | Essential Oil | -- | 15000.0 | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. | |
| Filipendula ulmaria | Flower | -- | -- | * | |
| Fragaria spp | Leaf | -- | -- | * | |
| Gaultheria fragrantissima | Shoot | 1150.0 | 11890.0 | 1.7 | * |
| Gaultheria procumbens | Leaf | 5445.0 | 7920.0 | 1.7 | * |
| Glycyrrhiza glabra | Plant | -- | -- | * |