| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 35 | BORNEOL | Rhizome | -- | -- | * | |
| 4 | BORON | Root | 1.0 | 6.0 | -0.67 | Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron). |
| 102 | CAFFEIC-ACID | Rhizome | -- | 5.0 | * | |
| 28 | CALCIUM | Rhizome | 270.0 | 2898.0 | -0.88 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| 28 | CALCIUM | Plant | 226.0 | 730.0 | -1.38 | * |
| 3 | CALEBIN-A | Rhizome | -- | -- | * | |
| 2 | CAMPESTEROL | Root | -- | 90.0 | -0.45 | Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.) |
| 2 | CAMPESTEROL | Rhizome | -- | -- | * | |
| 9 | CAMPHENE | Rhizome | -- | -- | * | |
| 9 | CAMPHENE | Tuber | -- | -- | * | |
| 41 | CAMPHOR | Rhizome Essent. Oil | -- | 600.0 | -1.0 | * |
| 41 | CAMPHOR | Tuber | -- | -- | * | |
| 5 | CAPRYLIC-ACID | Rhizome | -- | -- | * | |
| 0 | CAR-3-ENE | Leaf | 29.0 | 41.0 | * | |
| 0 | CARBOHYDRATES | Rhizome | 79000.0 | 829000.0 | 0.72 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| 31 | CARYOPHYLLENE | Essential Oil | -- | 13400.0 | -0.52 | * |
| 31 | CARYOPHYLLENE | Rhizome | -- | -- | * | |
| 31 | CARYOPHYLLENE | Tuber | -- | -- | * | |
| 1 | CHOLESTEROL | Rhizome | -- | -- | * | |
| 24 | CHROMIUM | Plant | 0.2 | 0.6 | -0.81 | * |