Plant | Low PPM | High PPM | StdDev | *Reference | |
---|---|---|---|---|---|
Illicium verum | Fruit | 1.0 | 50.0 | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. | |
Plectranthus barbatus | Root Essent. Oil | -- | 50000.0 | * | |
Pimenta dioica | Plant | -- | -- | * |