Profiles of fermentation under three different conditions by K. marxianus. Seed culture (100 mL) was inoculated into a 3-L fermenter with a 1.0-L working volume. a 230-N-72. b 230-130mV-36. c 120-N-24. OD620 (square with crossed lines), total sugar (green colored square), reducing inulin (purple colored circle) and ethanol (red colored inverted triangle), ORP (blue colored dashed lines).