TABLE 1.

Responses to a range of substrates as a percentage of the response to acetatea

SubstrateResponse (%)
Alcohols
 Methanol0
 Ethanol20
 Propanol1
 Isopropanol1
 Butanol1
 Glycerol0
Amino acids
l-Threonine7
l-Proline1
l-Lysine0
 Glutamate3
Carboxylic acids
 Formate0
 Acetate100
 Propionate170
 Butyrate7
 Isobutyrate200
 Valerate7
 Lactate120
 Pyruvate13
 Citrate0
 Succinate3
 Benzoate0
Mono- and disaccharides
 Glucose2
 Mannose0
 Galactose0
 Maltose0
 Sucrose0
  • a Measurements were performed by using a 0.5-V charge for ESC.