Table 4.

Yields of F. johnsoniae strain A3 with various individual substrates tested at 15°C

Substrate	Yield
	ΔS range (μg C liter−1)	Y (×107 CFU μg−1 of C ± SD)
Fructose	0–10	--a
	10–200	0.93 (± 0.02)
Maltose	0–10	1.65 (± 0.03)
	10–200	1.01 (± 0.02)
Laminarin	0–10	1.30 (± 0.04)
	10–200	0.75 (± 0.01)
Amylopectin	0–10	1.47 (± 0.03)
	10–100	0.98 (± 0.10)
Xyloglucan	0–10	1.45 (± 0.01)
	10–100	0.89 (± 0.02)
Proline	0–10	1.42 (± 0.03)
	10–200	0.99 (± 0.03)
Gelatin	0–200	1.31 (± 0.07)

^a—, no linear relationship between N_max and ΔS when <10 μg C liter⁻¹.