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Saccharification and Alcohol Fermentation in Starch Solution of Steam-exploded Potato

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dc.creator Kobayashi, Fumihisa
dc.creator Sawada, Tatsuro
dc.creator Nakamura, Yoshitoshi
dc.creator Ohnaga, Makoto
dc.creator Mtui, Godliving Y. S.
dc.creator Ushiyama, Tomoo
dc.date 2016-09-21T14:23:00Z
dc.date 2016-09-21T14:23:00Z
dc.date 1996-12
dc.date.accessioned 2018-03-27T09:00:41Z
dc.date.available 2018-03-27T09:00:41Z
dc.identifier Kobayashi, F., Sawada, T., Nakamura, Y., Ohnaga, M., Godliving, M. and Ushiyama, T., 1998. Saccharification and alcohol fermentation in starch solution of steam-exploded potato. Applied biochemistry and biotechnology, 69(3), pp.177-189.
dc.identifier http://hdl.handle.net/20.500.11810/4032
dc.identifier 10.1007/BF02788812
dc.identifier.uri http://hdl.handle.net/20.500.11810/4032
dc.description Full text can be accessed at http://link.springer.com/article/10.1007/BF02788812
dc.description Steam explosion pretreatment of potato for the efficient production of alcohol was experimentally studied. The amount of water-soluble starch increased with the increase of steam pressure, but the amounts of methanol-soluble material and Klason lignin remained insignificant, regardless of steam pressure. The potatoes exploded at high pressure were hydrolyzed into a low molecular liquid starch, and then easily converted into ethanol by simultaneous saccharification and fermentation using mixed microorganisms: an amylolytic microorganism,Aspergillus awamori, and a fermentation microorganism,Saccharomyces cerevisiae. The maximal ethanol concentration was 4.2 g/L in a batch culture at 15 g/L starch concentration, and 3.6 g/L in a continuous culture fed the same starch concentration. In the fed-batch culture, the maximal ethanol concentration increased more than twofold, compared to the batch culture.
dc.language en
dc.title Saccharification and Alcohol Fermentation in Starch Solution of Steam-exploded Potato
dc.type Journal Article


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