BioChem - DOS

Bioethanol production by Pichia stipitis from enzymatic hydrolysates of corncob-based spent mushroom substrate

Food science and technology research

OGURI, Emiko; TAKIMURA, Osamu; MATSUSHIKA, Akinori; INOUE, Hiroyuki; SAWAYAMA, Shigeki

<P>The potential of spent mushroom substrate after cultivation of <I>Pleurotus eryngii </I>as a biomass resource for bioethanol production was investigated. Materials were pretreated by ball milling for 1 h, and enzymatic hydrolysis was then carried out. Glucose, xylose, arabinose and galactose were detected in enzymatic hydrolysates, and a > 59.0% yield of total sugars was obtained, even at a substrate concentration of 30% (w/v). Enzymatic hydrolysates were fermented using <I>Pichia stipitis</I>. When enzymatic hydrolysates obtained from a 20% (w/v) substrate concentration were fermented, the maximum ethanol concentration was 17.7 g <I>l </I><SUP>-1 </SUP>and ethanol yield was 67.0%. These results indicate that corncob-based spent mushroom substrate can be used as a raw material for bioethanol production.</P>

2011

Japanese Society for Food Science and Technology

1344-6606

1881-3984

17

4

pp.267-272

10.3136/fstr.17.267

http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=05787966&target=NART&cn=NART57488974

https://www.jstage.jst.go.jp/article/fstr/17/4/17_4_267/_pdf

bioethanol; fermentation; enzymatic hydrolysis; spent mushroom substrates; Pichia stipitis; Pleurotus eryngii