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    ALLULOSE SYRUP
    4.
    发明公开
    ALLULOSE SYRUP 审中-公开

    公开(公告)号：US20230220502A1

    公开(公告)日：2023-07-13

    申请号：US17928994

    申请日：2021-06-04

    申请人： SAVANNA INGREDIENTS GMBH

    发明人： Timo Johannes KOCH ,  Sebastian HANFT

    IPC分类号： C13K13/00 ,  A23L29/30 ,  A23L27/30

    CPC分类号： C13K13/007 ,  A23L29/30 ,  A23L27/33

    摘要： The invention relates to a process for the preparation of an allulose syrup containing allulose at a product concentration of more than 70 wt.-%, relative to the total weight of the allulose syrup, the process comprising the steps of (a) providing an aqueous solution containing allulose at an educt concentration of at most 70 wt.-%, relative to the total weight of the solution; and (b) evaporating water at a temperature of the solution of less than 60° C. and under reduced pressure thereby increasing the concentration of allulose in the aqueous solution starting from the educt concentration until the product concentration is reached.

    Method for producing a sugar stream
    7.
    发明授权
    Method for producing a sugar stream 有权

    公开(公告)号：US11505838B2

    公开(公告)日：2022-11-22

    申请号：US15945773

    申请日：2018-04-05

    申请人： Fluid Quip Technologies, LLC

    发明人： Neal Jakel ,  Albert Pollmeier

    IPC分类号： C12P7/06 ,  C12P19/14 ,  C13K1/06 ,  C13K13/00 ,  C12P7/16 ,  A23L7/104 ,  C12P19/02 ,  C12M1/00 ,  A23L29/30

    摘要： An improved dry grind system and method for producing a sugar stream from grains or similar carbohydrate sources and/or residues, such as for biochemical production. In particular, after saccharification and prior to a sugar conversion process, a sugar/carbohydrate stream is removed from a saccharified stream. The sugar/carbohydrate stream includes a desired Dextrose Equivalent (DE) where DE describes the degree of conversion of starch to dextrose can be produced, with the such sugar stream being available for biochemical production, e.g., alcohol production, or other processes. In addition, the systems and methods also can involve the removal of certain grain components, e.g., corn kernel components, including protein and/or fiber. Sugar stream production occurs on the front end of the system and method.

    Production method for acidic xylooligosaccharide, and acidic xylooligosaccharide
    8.
    发明授权
    Production method for acidic xylooligosaccharide, and acidic xylooligosaccharide 有权

    公开(公告)号：US11286272B2

    公开(公告)日：2022-03-29

    申请号：US16643215

    申请日：2017-08-31

    申请人： OJI HOLDINGS CORPORATION

    发明人： Kotaro Ishikawa ,  Takuro Kashiwamura ,  Takuya Kato ,  Toru Koga ,  Suguru Ishikawa

    IPC分类号： C07H3/06 ,  C07H1/08 ,  C13K13/00

    摘要： The present invention provides a reduced-cost method for producing an acidic xylooligosaccharide, the method including a depolymerization step of depolymerizing a plant-derived raw material and a deacetylation step of adding a base to a solution of the product of the depolymerization step to achieve a pH of 11 or higher. The present invention further provides an acidic xylooligosaccharide having an acetyl group content of 0 to 5.0 mass %. The acidic xylooligosaccharide of the present invention, which has an acetyl group content of 0 to 5.0 mass %, can be used as a starting material in a production method to thereby obtain pentosan polysulfate with a high yield.

    Process for the Conversion of a Solid Material Containing Hemicellulose, Cellulose and Lignin
    9.
    发明申请
    Process for the Conversion of a Solid Material Containing Hemicellulose, Cellulose and Lignin 有权

    公开(公告)号：US20220081731A1

    公开(公告)日：2022-03-17

    申请号：US16966791

    申请日：2019-01-31

    申请人： Avantium Knowledge Centre B.V.

    发明人： Martijn Kersbulck ,  Benjamin McKay ,  Gerardus Johannes Maria Gruter

    IPC分类号： C13K1/02 ,  C13K13/00

    摘要： A process for the conversion of a solid material containing hemicellulose, cellulose and lignin, which process comprises the following steps:
    (i) hydrolyzing, at a temperature equal to or less than 40° C., preferably equal to or less than 30° C., at least part of the hemicellulose of the solid material by contacting the solid material with a first aqueous hydrochloric acid solution, which first aqueous hydrochloric acid solution has a hydrochloric acid concentration in the range from equal to or more than 15.0 wt. % to less than 40.0 wt. %, based on the weight amount of water and hydrochloric acid in such first aqueous hydrochloric acid solution, yielding a remaining solid material and an aqueous first hydrolysate product solution;
    (ii) displacing aqueous solution from the remaining solid material with a non-aqueous displacement fluid;
    (iii) hydrolyzing, at a temperature equal to or less than 40° C., preferably equal to or less than 30° C., at least part of the cellulose of the remaining solid material by replacing the non-aqueous displacement fluid with a second aqueous hydrochloric acid solution, which second aqueous hydrochloric acid solution has a hydrochloric acid concentration in the range from equal to or more than 40.0 wt. % to equal to or less than 51.0 wt. %, based on the weight amount of water and hydrochloric acid in such second aqueous hydrochloric acid solution, yielding a residue and an aqueous second hydrolysate product solution
    wherein the process is carried out in one or more reactors and wherein the reactor comprises a cylindrical vessel with its axis arranged in an essentially vertical manner, and
    wherein said non-aqueous displacement fluid is a non-aqueous, preferably hydrophobic, liquid having a density equal to or less than 1000 kilograms per cubic meter (kg/m3), and
    wherein the non-aqueous displacement fluid is supplied to such reactor in a downward fashion.