Corn fiber (CF) is a potential raw material for the production of
various products because it is widely available in corn-producing
countries. Corn fiber is a byproduct of the corn wet-milling industry
and a very large amount of it (approximately 130 t/day) is produced in
Hungary. The major component of corn fiber is the pericarp that consists
of 35% hemicellulose, 18% cellulose and 20% remaining starch (protein,
fiber oil and lignin are also present in this material). Corn fiber is
presently used as animal feed. However, with continuous growth in corn
processing to ethanol, there might be problems with the utilization of
the surplus fibrous byproducts. In this paper the conversion of corn
fiber to ethanol or other products was examined. Destarched corn fiber
was pretreated by using different alkaline solutions and dissolved
hemicellulose was precipitated with ethanol for the recovery of a
valuable coproduct. The residual material consisting mostly of cellulose
was hydrolyzed with cellulolytic enzymes and fermented into ethanol by
using Saccharomyces cerevisiae.
FROM:ScienceDirct Biochemistry website
FROM:ScienceDirct Biochemistry website
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