TABLE 1.

Concentrations of some organic acids of C. coli SP10 at different incubation temperatures^a

Organic acid	Incubation temp (°C)	Concn
		μmol/ml	SD
Succinate	37	10.20	0.64
	20	0.00	0.00
	10	0.00	0.00
	4	0.00	0.00
Lactate	37	7.77	0.63
	20	0.18	0.14
	10	0.36	0.10
	4	0.67	0.36
Acetate	37	3.62	0.11
	20	0.00	0.00
	10	0.14	0.08
	4	0.30	0.08
4-Methylvalerate	37	1.57	0.23
	20	0.09	0.10
	10	0.28	0.27
	4	0.58	0.47

^aIncubation was done for 48 h. Results are the means of six parallel experiments.