| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Broussonetia papyrifera | Fruit | -- | 26900.0 | 5.3 | * |
| Bupleurum chinense | Root | 2200.0 | 20000.0 | 1.4 | * |
| Byrsonima crassifolia | Fruit | 230.0 | 1920.0 | -0.4 | * |
| Cajanus cajan | Plant | -- | 8900.0 | -0.5 | * |
| Cajanus cajan | Fruit | 350.0 | 2022.0 | -0.4 | * |
| Cajanus cajan | Seed | 290.0 | 1540.0 | -0.5 | * |
| Calathea macrosepala | Plant | 200.0 | 2600.0 | -1.2 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Calendula officinalis | Leaf | -- | 30400.0 | 0.8 | * |
| Camellia sinensis | Leaf | 327.0 | 2456.0 | -1.1 | * |
| Canavalia ensiformis | Seed | 960.0 | 3090.0 | -0.2 | * |
| Canavalia ensiformis | Fruit | 330.0 | 5263.0 | 0.3 | * |
| Canna indica | Root | 150.0 | 1300.0 | -0.7 | * |
| Cannabis sativa | Seed | 1200.0 | 1389.0 | -0.5 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Capparis spinosa | Leaf | -- | 5500.0 | -0.9 | Wealth of India. |
| Capsella bursa-pastoris | Plant | 2080.0 | 17627.0 | 0.4 | * |
| Capsicum frutescens | Fruit | 175.0 | 1560.0 | -0.5 | * |
| Capsicum annuum | Fruit | 431.0 | 1670.0 | -0.5 | * |
| Carica pentagona | Fruit | 110.0 | 1615.0 | -0.5 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Carica papaya | Fruit | 159.0 | 1180.0 | -0.6 | * |
| Carica papaya | Leaf | 3440.0 | 23800.0 | 0.4 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |