WO1989002907A1 - Compositions d'amidon ayant un grand pouvoir de dispersion dans l'eau - Google Patents

Compositions d'amidon ayant un grand pouvoir de dispersion dans l'eau Download PDF

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Publication number
WO1989002907A1
WO1989002907A1 PCT/US1988/003205 US8803205W WO8902907A1 WO 1989002907 A1 WO1989002907 A1 WO 1989002907A1 US 8803205 W US8803205 W US 8803205W WO 8902907 A1 WO8902907 A1 WO 8902907A1
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WO
WIPO (PCT)
Prior art keywords
starch
composition
ingredient
glycoside
dry
Prior art date
Application number
PCT/US1988/003205
Other languages
English (en)
Inventor
Stephen L. Maher
Original Assignee
A.E. Staley Manufacturing Company
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 A.E. Staley Manufacturing Company filed Critical A.E. Staley Manufacturing Company
Publication of WO1989002907A1 publication Critical patent/WO1989002907A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products

Definitions

  • the present invention pertairvs generally to cold water dispersible and/or cold water soluble starch co ⁇ lp ⁇ 'iitions and, in particular, to cold water dispersible or cold water soluble starch compositions which contain a glycoside surfactant in an amount sufficient to impart enhanced dispersibility or solubilization characteristics to the resulting starch composition.
  • Starch materials are, of course, well known and readily available and find wide use in a variety of food and industrial applications. As is also known, such starch materials can exist and be marketed and used in a variety of forms including, for example, in non-gelatinized, cold water insoluble granular form, in cold water soluble, non-gelatinized granular form and in gelatinized (or "pregelatinized”) , non-granular cold water soluble form.
  • starch usage entails at some point in the overall process a step in which the starch material is dispersed and/or dissolved in an aqueous medium such as water, milk, etc.
  • an aqueous medium such as water, milk, etc.
  • cold water insoluble granular starches commonly called “cook-up” starches
  • such material typically is initially dispersed or slurried in a cold aqueous medium and the resulting aqueous mixture (i.e, slurry or dispersion) is heated (or cooked) to gelatinize and solubilize the granular starch material.
  • Patent 4,575,395 (issued March 1 1 , 1986 to Richa rd E.
  • Rudin can be mitigated by coating the pregelatinized starch material with from about 0.05 to about 20 weight percent of a food grade emulsifier.
  • Rudin patent are those selected from the group consisting of propylene glycol monoesters , distilled onoglycerides and sodium stearyl lactylate, hydrophilic ethoxylated sorbitan monoesters , dextrose, maltodextrrn , lecithin, sucrose monoglycerides, diglycerides and mixtures thereof.
  • the present invention in one of its aspects , is a starch composition which comprises , on a total starch composition dry weight basis , from about 80 to about 99.999 weight percent of a starch ingredient and from about 0.001 to about 20 weight percent of a glycoside su rfactant ing redient.
  • the present invention is a method of enhancing the dispersibility and/or dissolution characteristics of a substantially dry , powdered or granular starch material by treating (e . g . , admixing and/or coating) said starch material with a small but effective amount of a glycoside surfactant ingredient .
  • a particularly noteworthy featu re or aspect of the present invention resides in the efficiency and effectiveness of the glycoside surfactant in preventing lumping and agglomeration of the subject starch material upon its initial contact with a continuous aqueous medium and in thereby facilitating the rapid dispersion and/or dissolution of said starch material even in the absence of intense mixing or agitation .
  • glycoside surfactant usage levels i . e. , at glycoside surfactant usage levels of less than 0. 1 weight percent, and even at levels of less than 0.05 weight percent, on a starch material dry solids weight basis.
  • Starch materials suitable for use herein can be derived from a wide variety of plant sources such as , for example, corn , potato, wheat, rice, waxy maize, tapioca, etc. Such starches can be unmodified or can be chemically modified or derivatized via the various known methods of derivatization including , for example, esterification , etherification , oxidation , and the like .
  • the present invention is generally applicable to starch materials in non-gelatinized cold water insoluble granular form, in cold water soluble non-gelatinized granular form and in gelatinized (or "pregelatinized") non-granular cold water soluble form . It is to be noted, however, that the benefits of such invention are particularly pronounced and noteworthy in those cases wherein the starch material employed is of a cold water soluble variety (i . e . , either in ungelatinized , granular cold water soluble form or in pregelatinized cold water soluble form) . As used herein , the terms "ungelatinized" or
  • non-gelatinized connote starch which has not been subjected to granule fragmenting process conditions and which therefore consists essentially of whole unfragmented granules .
  • the term "cold water soluble” as used herein connotes starch materials which are at least about 90% (by weight) soluble in 25°C water.
  • Starch materials of particular interest for use herein include the various cold water soluble pregelatinized starches , particularly pregelatinized potato starch and especially pregelatinized cationic potato starches .
  • the above-described starch materials constitute the predominant ingredient within the compositions of the present invention .
  • said starch material will constitute, on a dry (i . e.
  • starch and glycoside su rfactant ingredients exclusive of normally present starch ingredient moisture content which typically ranges from about 5 to about 20 weight percent on a moist starch total weight basis) solids weight basis, from about 80 to about 99.999 (preferably from about 95 to about 99.999, more preferably from about 98 to about 99.995 and most preferably from about 99.5 to about 99.995) weight percent of the combined weight of the starch and glycoside su rfactant ingredients .
  • Glycoside su rfactant ingredients suitable for use herein include those of the formula : R0(R l 0) y (Z) ⁇ I wherein R is a monovalent organic radical (e. g .., a monovale ⁇ t saturated aliphatic, unsaturated aliphatic or aromatic radical such as alkyl, hydroxyalkyl , alkenyl, hydroxyalkenyl, aryl, alkylaryl, hydroxyalkylaryl, arylalkyl, alkenylaryl , arylalkenyl , etc.
  • R is a monovalent organic radical (e. g .., a monovale ⁇ t saturated aliphatic, unsaturated aliphatic or aromatic radical such as alkyl, hydroxyalkyl , alkenyl, hydroxyalkenyl, aryl, alkylaryl, hydroxyalkylaryl, arylalkyl, alkenylaryl , arylalkenyl , etc
  • R r is a divalent hydrocarbon radical containing from 2 to about 4 carbon atoms
  • y is a number having an average value of from 0 to about 12 (preferably from 0 to about 5 and most preferably 0)
  • Z represents a moiety derived from a reducing saccharide containing 5 or 6 carbon atoms (most preferably arabinose, xylose, glucose, galactose and combinations thereof)
  • x is a number having an average value of from 1 to about 6 (preferably from 1 to about 3 and most preferably from 1 to about 2) .
  • the amount of al kylene oxide (e. g . , ethylene oxide, propylene oxide, etc . ) employed will generally correspond to an average of from about 1 to about 20 (preferably from about 1 to about 10, more preferably from about 1 to about 5 and most preferably from about 2 to about 5) moles thereof per mole of saccharide moiety .
  • the glycoside su rfactants can be employed in the practice of the present invention in amounts ranging from about 0.001 to about 20 percent of the total dry weight of the resulting treated starch composition .
  • said glycoside surfactant is employed in an amount corresponding to from about 0.001 to about 5 (more preferably from about 0.005 to about 2 and especially from about 0.005 to about 0.5) weight percent on a total starch composition dry weight basis .
  • advantage is taken of the unusual efficiency and effectiveness of the indicated glycoside surfactants for the present purposes by limiting the usage thereof to extremely low levels of addition, specifically in the range of from about 0.001 to about 0.
  • the particular methodology employed for preparing the subject starch compositions is not especially critical so long as the specific method chosen results in the glycoside surfactant ingredient being intimately admixed with and/or coated onto the individual starch particles .
  • substantially dry starch ingredient as used hereinabove is intended to connote that the particulate (e.g . , native granular; defatted granular; spray dried or drum dried, pregelatinized powder; etc. ) starch ingredient either can be "bone dry” (i . e. , having essentially no water or moisture content) or can , and more typically will, have a moisture content corresponding to that usually associated with that particular type of particulate starch material (e. g . , at levels ranging from about 5 to about 20 weight percent) .
  • particulate starch ingredient e.g . , native granular; defatted granular; spray dried or drum dried, pregelatinized powder; etc.
  • starch ingredient either can be "bone dry” (i . e. , having essentially no water or moisture content) or can , and more typically will, have a moisture content corresponding to that usually associated with that particular type of particulate starch material (e. g . , at levels
  • the aqueous glycoside surfactant solution preferably is added to and admixed with a substantially dry mass of the particulate starch material in a fashion and in an amount such that the starch material does not become solubilized or dispersed in the aqueous glycoside solution .
  • the aqueous glycoside surfactant solution is adsorbed into and/or on the individual particles while said starch particles themselves remain in discrete, solid particulate form.
  • any conventional dry mixing or dry blending apparatus can be suitably employed (e. g .
  • aqueous glycoside surfactant solutions e . g . , containing from about 30 to about 70, preferably from about 40 to about 60 and more preferably from about 45 to about 55, weight percent of the glycoside su rfactant on a total solution weight basis ) in order to avoid solubilization and/or agglomeration of the starch material du ring the mixing process .
  • a minor proportion e . g . , from 0.5 to about 20, preferably from about 1 to about 5 or 10, weight percent on a total solution - weight basis
  • a lower alkanol such as methanol, ethanol , propanol , etc.
  • This can be particularly desirable and beneficial in those cases where solutions having relatively higher glycoside surfactant concentrations are employed since these latter solutions can otherwise have relatively high solution viscosities .
  • glycoside surfactant materials can take the form of molten liquids at relatively low temperatures such as , for example in the range of from about 20 to about 100°C . Accordingly, such liquid glycoside surfactants can, if desired, be dry blended with the particulate starch ingredient in "neat" or molten liquid form instead of utilizing and applying same in the form of an aqueous solution thereof .
  • the treated starch compositions hereof can also be prepared by dissolving or dispersing the starch starting material of interest in a relatively large or excess quantity or proportion of an aqueous glycoside surfactant solution and thereafter recovering the resulting glycoside surfactant-containing starch product from the excess surfactant solution (e.g . , via centrifugation or filtration in the case of water-insoluble treated starch products or via spray drying, drum drying, etc. in the case of water-soluble treated starch products) .
  • relatively dilute aqueous glycoside surfactant solutions e. g .
  • glycoside surfactant on a total solution weight basis
  • this latter method entails an extra solid/liquid separation step and/or a separate drying operation, it is generally less preferred than the above-described dry blending method using relatively concentrated aqueous glycoside surfactant solutions .
  • the glycoside surfactant-containing starch compositions hereof are ultimately recovered in substantially dry, solid particulate form and are suitable for use in any of the various industrial end-use applications to which the corresponding starch starting material is conventionally applicable.
  • the subject starch compositions can be suitably employed in paper sizing applications, as a wet end dry strength additive, in pigmented paper coating compositions, in packaging adhesive applications , in size press applications, in binder compositions , in textile sizing and finishing applications and the like .
  • Unli ke their untreated prior art counterparts however, the subject starch compositions are substantially more readily and rapidly dissolved or dispersed in water or other aqueous medium (i . e. , without lumping or agglomeration upon initial water contact even in the intense mi xing or agitation) .
  • a pregelatinized cationic potato starch is dry blended (at a temperature of about 25°C and for a time period of about 5 minutes ) with 0.005 parts by weight of an aqueous solution (containing 50 weight percent surfactant on a total solution weight basis) of a C, ⁇ _.. ⁇ alkyl glucoside surfactant having an average degree of polymerization
  • the resulting treated starch composition contains about 0.005 weight percent of the C ⁇ i alkyl glucoside surfactant on a total dry solids weight basis and readily disperses in cold water without lumping or agglomeration and without stirring when 3 parts by weight thereof is dumped into a vessel containing 100 parts by weight of cold water.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

La vitesse et le pouvoir de dispersion dans l'eau et/ou de solubilité dans l'eau de matériaux d'amidon pulvérulents ou granulaires sont sensiblement augmentés en y incorporant une quantité réduite mais effective d'un ingrédient tensioactif d'un glycoside.
PCT/US1988/003205 1987-09-24 1988-09-19 Compositions d'amidon ayant un grand pouvoir de dispersion dans l'eau WO1989002907A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10080787A 1987-09-24 1987-09-24
US100,807 1987-09-24

Publications (1)

Publication Number Publication Date
WO1989002907A1 true WO1989002907A1 (fr) 1989-04-06

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Application Number Title Priority Date Filing Date
PCT/US1988/003205 WO1989002907A1 (fr) 1987-09-24 1988-09-19 Compositions d'amidon ayant un grand pouvoir de dispersion dans l'eau

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ES (1) ES2008601A6 (fr)
WO (1) WO1989002907A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575395A (en) * 1983-02-07 1986-03-11 S. C. Johnson & Son, Inc. Coated pregelatinized starch and process for producing the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575395A (en) * 1983-02-07 1986-03-11 S. C. Johnson & Son, Inc. Coated pregelatinized starch and process for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, Volume 47, issued May 1970, F.A. HUGHES, "Physical and Functional Properties of Some Higher Alkyl Polyglucosides". See pages 162 to 167. *

Also Published As

Publication number Publication date
ES2008601A6 (es) 1989-07-16

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