WO1992008842A3 - Method for producing dietary fibers from nonwoody lignocellulosic substrates by oxidation - Google Patents

Method for producing dietary fibers from nonwoody lignocellulosic substrates by oxidation Download PDF

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Publication number
WO1992008842A3
WO1992008842A3 PCT/US1991/008147 US9108147W WO9208842A3 WO 1992008842 A3 WO1992008842 A3 WO 1992008842A3 US 9108147 W US9108147 W US 9108147W WO 9208842 A3 WO9208842 A3 WO 9208842A3
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
optionally
oxygenation
delignified
base
Prior art date
Application number
PCT/US1991/008147
Other languages
French (fr)
Other versions
WO1992008842A2 (en
Inventor
Hou-Min Chang
Yung-Chang Chin
Yu-Chia Terry Chou
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of WO1992008842A2 publication Critical patent/WO1992008842A2/en
Publication of WO1992008842A3 publication Critical patent/WO1992008842A3/en

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/32—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from hydrolysates of wood or straw
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
    • A23L33/24—Cellulose or derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/115—Cereal fibre products, e.g. bran, husk
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Nutrition Science (AREA)
  • Mycology (AREA)
  • Inorganic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

A process for delignifying and optionally bleaching nonwoody lignocellulosic substrates to produce a dietary fiber suitable for human consumption is disclosed. The process involves (a) an optional first step of treating the substrate with an aqueous alkali solution containing 1 to 20 % by weight, based on dry substrate, of a base at 20° to 100 °C to swell and remove base soluble materials from the substrate; (b) separating the substrate and optionally washing it with water; (c) uniformly wetting the substrate with an aqueous alkaline solution containing 1 to 20 wt. % of base, based on dry substrate, to form a slurry, placing the slurry in a pressure vessel which is pressured with oxygen gas to 20 to 300 psig (138 to 2070 kPa) for 5 to 180 minutes at a temperature of 50° to 150 °C to delignify the substrate, separating the delignified susbstrate from the lignin containing extract solution; (d) optionally bleaching the delignified substrate, preferably with an alkaline aqueous hydrogen peroxide solution; and (e) recovering the delignified substrate. Optionally more than one oxygenation step can be used with the substrate being separated from the oxygenation-extraction medium between oxygenation steps. Optionally, in a preferred aspect of the present invention a peroxide, preferably 0.5 to 10 weight percent hydrogen peroxide, is included in the reaction medium during one of the oxygenation steps.
PCT/US1991/008147 1990-11-20 1991-11-08 Method for producing dietary fibers from nonwoody lignocellulosic substrates by oxidation WO1992008842A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61612490A 1990-11-20 1990-11-20
US616,124 1990-11-20

Publications (2)

Publication Number Publication Date
WO1992008842A2 WO1992008842A2 (en) 1992-05-29
WO1992008842A3 true WO1992008842A3 (en) 1992-11-26

Family

ID=24468137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/008147 WO1992008842A2 (en) 1990-11-20 1991-11-08 Method for producing dietary fibers from nonwoody lignocellulosic substrates by oxidation

Country Status (2)

Country Link
AU (1) AU9063691A (en)
WO (1) WO1992008842A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6899907B1 (en) * 2000-09-18 2005-05-31 General Mills, Inc. Bleach bran and bran products
US6887509B2 (en) 2002-05-03 2005-05-03 General Mills, Inc. Process for tempering and milling grain
WO2009138090A2 (en) * 2008-05-14 2009-11-19 Rådet For Agroindustri A process for the production of hydrolysed plant material
WO2013158931A2 (en) 2012-04-18 2013-10-24 The Coca-Cola Company Fruit fiber article and manufacturing thereof
WO2018118388A1 (en) * 2016-12-23 2018-06-28 Invention Development Management Company, Llc Oat hull fiber products

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087316A (en) * 1975-09-02 1978-05-02 Cotton Incorporated Process for obtaining seed hull commodities including cellulosic fibers and xylitol
US4842877A (en) * 1988-04-05 1989-06-27 Xylan, Inc. Delignification of non-woody biomass
EP0337653A2 (en) * 1988-04-15 1989-10-18 E.I. Du Pont De Nemours And Company Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087316A (en) * 1975-09-02 1978-05-02 Cotton Incorporated Process for obtaining seed hull commodities including cellulosic fibers and xylitol
US4842877A (en) * 1988-04-05 1989-06-27 Xylan, Inc. Delignification of non-woody biomass
EP0337653A2 (en) * 1988-04-15 1989-10-18 E.I. Du Pont De Nemours And Company Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates

Also Published As

Publication number Publication date
WO1992008842A2 (en) 1992-05-29
AU9063691A (en) 1992-06-11

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