| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 24 | VANILLIC-ACID | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| 28 | VANILLIN | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| 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) |
| 0 | WATER | Rhizome | 93090.0 | 930000.0 | 0.95 | * |
| 0 | WATER | Root | -- | 930000.0 | 1.05 | * |
| 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 | ZERUMBODIENONE | Rhizome | -- | -- | * | |
| 77 | ZINC | Root | -- | -- | * | |
| 77 | ZINC | Rhizome | -- | 57.0 | -0.19 | * |
| 0 | ZINGERBERONE | Essential Oil | -- | -- | * | |
| 13 | ZINGERONE | Essential Oil | -- | -- | * | |
| 13 | ZINGERONE | Root Essent. Oil | -- | -- | * | |
| 13 | ZINGERONE | Rhizome | -- | -- | * | |
| 13 | ZINGERONE | Rhizome Essent. Oil | -- | -- | * | |
| 1 | ZINGIBAIN | Root | -- | -- | Abstract (See species file) | |
| 1 | ZINGIBAIN | Rhizome | -- | -- | * | |
| 6 | ZINGIBERENE | Rhizome Essent. Oil | -- | -- | * | |
| 6 | ZINGIBERENE | Essential Oil | -- | -- | * |