Continuous ethanol production from D ‐xylose by Candida shehatae

Much progress has been made since the discovery that some yeasts can ferment D-xylose to ethanol. ' Initially, only a few yeasts were found that could produce ethanol from D-~ylose.*'~ Today, at least eight species of yeasts are known to produce significant amounts of ethanol from D -~y l o s e . ~, ~-~ Three of these species have been studied extensively: Pachysolen tannophilus, Candida shehatae, and Pichia stipitis.