| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 0 | ZINGERBERONE | Essential Oil | -- | -- | * | |
| 77 | ZINC | Rhizome | -- | 57.0 | -0.19 | * |
| 77 | ZINC | Root | -- | -- | * | |
| 0 | ZERUMBODIENONE | Rhizome | -- | -- | * | |
| 0 | XANTHORRHIZOL | Rhizome | 1.0 | 50.0 | Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705. | |
| 0 | XANTHORRHIZOL | Rhizome Essent. Oil | -- | 1000.0 | * | |
| 0 | WATER | Rhizome | 93090.0 | 930000.0 | 0.95 | * |
| 0 | WATER | Root | -- | 930000.0 | 1.05 | * |
| 0 | VIT-B-6 | Rhizome | 1.6 | 8.7 | * | |
| 0 | VIT-B-6 | Root | 1.6 | 8.7 | -0.26 | USDA's Ag Handbook 8 and sequelae) |
| 28 | VANILLIN | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| 24 | VANILLIC-ACID | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| 3 | VALINE | Root | 730.0 | 4202.0 | 0.08 | USDA's Ag Handbook 8 and sequelae) |
| 3 | VALINE | Tuber | -- | -- | * | |
| 3 | VALINE | Shoot | -- | -- | * | |
| 3 | VALINE | Rhizome | 730.0 | 4202.0 | 1.0 | * |
| 0 | URIDINE | Rhizome | -- | 11.0 | 1.0 | * |
| 0 | UNDECAN-2-ONE | Rhizome Essent. Oil | -- | -- | * | |
| 0 | UNDECAN-2-ONE | Rhizome | -- | -- | * | |
| 0 | UNDECAN-2-OL | Rhizome Essent. Oil | -- | 500.0 | * |