| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Capsicum frutescens | Seed | -- | -- | * | |
| Capsicum annuum | Seed | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Coffea arabica | Seed | -- | -- | * | |
| Fagopyrum esculentum | Seed | 990.0 | 1200.0 | 1.0 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Vigna angularis | Seed | 265.0 | 305.0 | -1.0 | * |