Abstract
An on-line device, ORP (oxidation-reduction potential)-stat, was used to control glucose-feeding for enhancing xylitol conversion from d-xylose during an oxygen-limited fermentation by Candida tropicalis. The fermentation was carried out in a 5 l jar fermenter. After glucose in the medium was depleted, a switching to a limited aeration and feeding glucose controlled by ORP-stat was performed. The maximum xylitol yield was obtained under a condition at an ORP of −180 mV and at an aeration rate of 0.2 l min−1.
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Sheu, DC., Duan, KJ., Jou, SR. et al. Production of xylitol from Candida tropicalis by using an oxidation-reduction potential-stat controlled fermentation. Biotechnology Letters 25, 2065–2069 (2003). https://doi.org/10.1023/B:BILE.0000007067.37858.69
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DOI: https://doi.org/10.1023/B:BILE.0000007067.37858.69