| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 7 | GLUTATHIONE | Plant | -- | -- | * | |
| 12 | GLYCINE | Tuber | 620.0 | 5700.0 | 0.24 | * |
| 0 | GLYOXALIC-ACID | Plant | -- | -- | * | |
| 0 | HEMICELLULOSE | Plant | -- | -- | * | |
| 0 | HEPTADECAN-1-OL | Leaf | -- | -- | * | |
| 1 | HEPTADECANOIC-ACID | Leaf | -- | -- | * | |
| 0 | HEPTADECENEDOIC-ACID | Leaf | -- | -- | * | |
| 0 | HEXACOSAN-1-OL | Leaf | -- | -- | * | |
| 0 | HEXACOSANOIC-ACID | Leaf | -- | -- | * | |
| 0 | HEXACOSYL-FERULATE | Tuber | -- | -- | * | |
| 0 | HEXADECAN-1-OL | Leaf | -- | -- | * | |
| 0 | HEXADECANEDIOIC-ACID | Leaf | -- | -- | * | |
| 0 | HEXADECANOIC-ACID | Leaf | -- | -- | * | |
| 0 | HEXADECYL-FERULATE | Tuber | -- | -- | * | |
| 7 | HISTIDINE | Tuber | 450.0 | 2140.0 | -0.77 | USDA's Ag Handbook 8 and sequelae) |
| 0 | HYDROGEN-SULFIDE | Plant | -- | -- | * | |
| 0 | HYDROXYMALONIC-ACID | Plant | -- | -- | * | |
| 0 | HYPOXANTHINE | Plant | -- | -- | * | |
| 0 | INVERTASE | Plant | -- | -- | * | |
| 12 | IODINE | Plant | -- | 0.011 | -0.45 | * |