Method of producing saccharides from biomass with lesser amount of saccharifying enzyme inexpensively
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United States of America Patent
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Jan 30, 2015
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Jan 30, 2015
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Abstract
A method of efficiently producing saccharides having glucose as the major component by inexpensively suppressing the non-productive adsorption of the enzyme to lignin is provided. The method of producing saccharides includes: a first step of preparing a water-soluble protein by adding at least any one of an animal protein and a vegetable protein to an aqueous sodium hydroxide solution or an aqueous calcium hydroxide solution to react with each other; a second step of adding the water-soluble protein to a slurry including a biomass; and a third step of producing saccharides having glucose as a major component by adding a degrading enzyme to the slurry for at least any one of a cellulose or a hemicellulose included in the biomass to be degraded by the degrading enzyme simultaneously with addition of the water-soluble protein to the slurry or after addition of the water-soluble protein.
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