| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 4 | THREONINE | Rhizome | 510.0 | 2440.0 | 1.0 | * |
| 0 | CARBOHYDRATES | Seed | 139000.0 | 762000.0 | 0.95 | * |
| 39 | NIACIN | Rhizome | 21.0 | 130.0 | 0.92 | * |
| 14 | MANGANESE | Seed | -- | 125.0 | 0.89 | * |
| 5 | STARCH | Rhizome | 92500.0 | 570988.0 | 0.87 | * |
| 0 | WATER | Rhizome | 750000.0 | 838000.0 | 0.71 | * |
| 0 | CARBOHYDRATES | Rhizome | 120000.0 | 824880.0 | 0.69 | * |
| 4 | PHOSPHORUS | Seed | 590.0 | 7130.0 | 0.47 | * |
| 2 | ARSENIC | Seed | -- | 0.11 | 0.42 | * |
| 14 | POTASSIUM | Seed | 3670.0 | 16652.0 | 0.36 | * |
| 0 | PROTEIN | Rhizome | 26000.0 | 167000.0 | 0.34 | * |
| 31 | THIAMIN | Seed | 1.5 | 7.5 | 0.22 | * |
| 12 | COPPER | Seed | -- | 17.0 | 0.2 | * |
| 4 | PHOSPHORUS | Rhizome | 1000.0 | 4785.0 | 0.14 | * |
| 0 | ASH | Seed | 9000.0 | 52000.0 | 0.12 | * |
| 0 | PROTEIN | Seed | 41300.0 | 242000.0 | 0.07 | * |
| 1 | SODIUM | Seed | 10.0 | 490.0 | 0.06 | * |
| 4 | PHOSPHORUS | Fruit | 2940.0 | 3267.0 | 0.02 | * |
| 15 | FIBER | Seed | 10700.0 | 131000.0 | -0.03 | * |
| 65 | MAGNESIUM | Seed | 560.0 | 2650.0 | -0.12 | * |