Method of preparing sugar solution

    公开(公告)号:US09920346B2

    公开(公告)日:2018-03-20

    申请号:US15513615

    申请日:2015-09-18

    CPC classification number: C12P19/14 C12P19/02 C12Y302/01004 C12Y302/01008

    Abstract: A method prepares a sugar solution from cellulose-containing biomass. The method includes step (1): a step of obtaining an endoxylanase hydrolysate by hydrolyzing the cellulose-containing biomass using endoxylanase derived from microorganisms of the Acremonium genus or the Aspergillus genus, step (2): a step of separating the endoxylanase hydrolysate into an endoxylanase hydrolysate solid and an endoxylanase hydrolysate liquid through solid-liquid separation, step (3): a step of obtaining a cellulase hydrolysate by hydrolyzing the endoxylanase hydrolysate solid using cellulase derived from a filamentous fungus, and step (4): a step of filtering the cellulase hydrolysate through an ultrafiltration membrane to recover a sugar solution from the filtrate side and collect an enzyme component from the non-filtrate side.

    Method for producing purified soybean oligosaccharide liquid

    公开(公告)号:US09909119B2

    公开(公告)日:2018-03-06

    申请号:US15034934

    申请日:2014-11-06

    CPC classification number: C12N15/1017 C12P19/04 C12P19/14

    Abstract: A method for producing a purified soybean oligosaccharide liquid according to the present invention is a method for producing a purified soybean oligosaccharide liquid from a soybean and/or a processed soybean product, comprising: the step (1) of mixing the soybean and/or the processed soybean product with a water-containing polar organic solvent that contains a polar organic solvent and water and then removing a generated precipitate to obtain a soybean oligosaccharide liquid that contains the water-containing polar organic solvent; the step (2) of removing the polar organic solvent from the soybean oligosaccharide liquid to obtain a soybean oligosaccharide suspension; the step (3) of mixing the soybean oligosaccharide suspension with cellulase to obtain a cellulase-treated soybean oligosaccharide suspension; and the step (4) of subjecting the cellulase-treated soybean oligosaccharide suspension to solid-liquid separation to obtain a purified soybean oligosaccharide liquid.

    METHOD OF PRODUCING LIGNIN
    7.
    发明申请

    公开(公告)号:US20200247835A1

    公开(公告)日:2020-08-06

    申请号:US16635057

    申请日:2018-07-30

    Abstract: A method of producing lignin includes obtaining an alkali-treated product by an alkali treatment in which a lignin-containing biomass is brought into contact with an alkaline aqueous solution; and keeping a temperature of the alkali-treated product at 35° C. or higher, and adjusting a pH of the alkali-treated product to pH 7 or lower to precipitate lignin, and recovering the lignin.

    Method of producing sugar liquid
    9.
    发明授权

    公开(公告)号:US11155848B2

    公开(公告)日:2021-10-26

    申请号:US15108431

    申请日:2014-12-26

    Abstract: A method of producing a sugar liquid from cellulose-containing biomass includes step (1) of hydrolyzing cellulose-containing biomass by a filamentous fungus-derived cellulase; and step (2) of filtering a hydrolysate obtained in step (1) through an ultrafiltration membrane to recover the filamentous fungus-derived cellulase as a non-permeate and to obtain a sugar liquid as a permeate, wherein the cellulose-containing biomass is treated with one or more enzymes selected from the group consisting of pectinase, glucoamylase, and lipase at a stage previous to step (1) or in step (1).

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