TABLE 1.
Responses to a range of substrates as a percentage of the response to acetatea
| Substrate | Response (%) |
|---|---|
| Alcohols | |
| Methanol | 0 |
| Ethanol | 20 |
| Propanol | 1 |
| Isopropanol | 1 |
| Butanol | 1 |
| Glycerol | 0 |
| Amino acids | |
| l-Threonine | 7 |
| l-Proline | 1 |
| l-Lysine | 0 |
| Glutamate | 3 |
| Carboxylic acids | |
| Formate | 0 |
| Acetate | 100 |
| Propionate | 170 |
| Butyrate | 7 |
| Isobutyrate | 200 |
| Valerate | 7 |
| Lactate | 120 |
| Pyruvate | 13 |
| Citrate | 0 |
| Succinate | 3 |
| Benzoate | 0 |
| Mono- and disaccharides | |
| Glucose | 2 |
| Mannose | 0 |
| Galactose | 0 |
| Maltose | 0 |
| Sucrose | 0 |
a
Measurements were performed by using a 0.5-V charge for ESC.