Effects of Fermentation Temperature and Aeration on Production of Natural Isoamyl Acetate by Williopsis saturnus var. saturnus

Table 1

Viable yeast cells (×10⁷ cells mL⁻¹) at different fermentation conditions.

Fermentation conditions	Time (h)
	0	36	72	108	144	180	216
15°C	1.0 ± 0.12	2.9 ± 0.14	4.65 ± 0.10	6.25 ± 0.17	6.65 ± 0.20	7.25 ± 0.23	5.8 ± 0.11
25°C	1.0 ± 0.22	7.18 ± 0.04	10.3 ± 0.35	8.95 ± 0.10	10.2 ± 0.10	9.35 ± 0.21	5.58 ± 0.17
Anaerobic	1.0 ± 0.24	7.35 ± 0.31	10.3 ± 0.44	10.2 ± 0.34	10.45 ± 0.10	8.58 ± 0.22	NT*
Semi-aerobic	1.0 ± 0.18	17.5 ± 0.54	28.4 ± 0.49	24.6 ± 0.44	25.8 ± 0.51	24.6 ± 0.33	23.6 ± 0.21
Aerobic	1.0 ± 0.16	21.75 ± 0.35	20 ± 0.15	22.1 ± 0.13	20 ± 0.22	NT*	NT*

∗NT: not tested.