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Class 530/373 - Zein


Subclass of Class 530 - Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
Definition: Proteins having the structure of zein and compounds derived
No. of patents: 40
Last issue date: 05/10/2011


NumberTitleIssue Date
7939633Decolorization/deodorization of corn zein products
Decolorized and/or deodorized zein from corn products may be recovered in high yields using zeolite adsorbents. A solution of a zein-containing corn product in an aqueous alcohol solvent is contacted with a zeolite adsorbent under conditions effective for adsorption...
05/10/2011
7365164Screening method for genes of brewing yeast
Provided herein are a method for selecting a gene participating in the desired brewing character and compiling a database of the whole genome sequence of industrial yeast; identifying a gene participating in a brewing characteristic from the database; functional ana...
04/29/2008
7152818Uses of white corn hybrids
The present invention provides hybrid white corn that produces grain with novel compositional characteristics, such as, higher endosperm protein concentration and low levels of carotenoids. The compositional changes facilitate the use of an improved process for wet ...
12/26/2006
7064248Method of preparing fertile transgenic corn plants by microprojectile bombardment
A method of preparing fertile transgenic Zea mays (corn) plants which stably express DNA encoding a Bacillus thuringiensis endotoxin, so as to impart insect resistance to the fertile transgenic plants is taught. The method comprises bombarding regenera...
06/20/2006
7045607Method and system for extraction of zein from corn
A corn product removal process for removing zein and/or oil from dry-milled corn. Oils and/or zein are extracted from corn using ethanol. Corn solids are separated from the ethanol, oil and zein mixture produced by extracting. Thereafter, the ethanol, oil and zein m...
05/16/2006
6960709Method for altering the nutritional content of plant seed
The invention provides preselected DNA sequences and methods of using them to alter the nutritional content of plant seed. Methods of the invention are directed to increasing the weight percent of an amino acid essential to the diet of animals, or increasing the sta...
11/01/2005
6946587Method for preparing fertile transgenic corn plants
Fertile transgenic Zea mays (corn) plants which stably express heterologous DNA which is heritable are disclosed along with a process for producing said plants. The process comprises the microjectile bombardment of friable embryogenic callus from the plant to...
09/20/2005
6935584Uses of white corn hybrids
The present invention provides hybrid white corn that produces grain with novel compositional characteristics, such as, higher endosperm protein concentration and low levels of carotenoids. The compositional changes facilitate the use of an improved process for wet ...
08/30/2005
6846909Zein recovery using non-porous membranes
A membrane process for treating zein solutions to increase the zein concentration in the solution. The process uses a non-porous membrane that preferentially permeates the solvent and rejects the zein. Optionally, the process can be operated as a diafiltration proce...
01/25/2005
6733578Plasticized prolamine compositions
Plasticized prolamine compositions and methods of preparing same are provided. The compositions can be used for making chewing gum bases, especially as biodegradable chewing gum bases. The inventive plasticizers are selected from a group of N-acyl derivatives of ami...
05/11/2004
6610831Methods and apparatus for recovering zein from corn
Methods and apparatus for recovering zein from substrates are disclosed. The method includes extracting a zein-containing substrate such as whole corn with ethanol to yield a crude zein alcoholic dispersion and treating this dispersion with an adsorbent t...
08/26/2003
6602985Extraction of zein protein from gluten meal
Zein is recovered from gluten meal prepared by wet milling procedures by washing the gluten with clean water to remove water-soluble components; separating the water-soluble components and recovering the water-insoluble components; extracting the water in...
08/05/2003
6433146Corn oil and protein extraction method
The invention is a corn product removal process that successfully extracts oil and zein from dry-milled corn. Oils and zein are extracted from corn using ethanol. Corn solids are separated from the ethanol, oil and zein mixture produced in the step of ext...
08/13/2002
6004930Phenylalanine free protein
The present invention is directed to dietary compositions for treating patients having phenylketonuria and methods for making the dietary compositions. The compositions comprise a natural protein modified to eliminate phenylalanine from the protein's amin...
12/21/1999
5824774Chimeric isoprenoid synthases and uses thereof
Disclosed is a chimeric isoprenoid synthase polypeptide including a first domain from a first isoprenoid synthase joined to a second domain from a second, heterologous isoprenoid synthase, whereby the chimeric isoprenoid synthase is capable of catalyzing ...
10/20/1998
5716790Method for estimating the lysine content of seed by elongation factor (EF) complex immunoassay
Seed lysine is detected by an immunoassay in which anti-EF antibody binds seed protein. Seed EF concentration is highly correlated with seed lysine content....
02/10/1998
5596080Crosslinking processes/agents for zein
This invention provides a process for making crosslinked zein, comprising heating zein in the presence of water to a temperature of at least 130° C., with or without pressure, to induce crosslinking....
01/21/1997
5585060Process for preparing biodegradable water-resistant film
A process for preparing a biodegradable water-resistant film. The process includes the steps of dispersing zein in an aqueous solution comprising acetone in an amount of from 65 to 75% by volume to form a zein dispersion, forming the resulting zein disper...
12/17/1996
5580959Purification of zein from corn gluten meal
This invention pertains to methods for extracting and purifying zein, zein bodies, glutelins or destarched corn gluten from corn gluten meal by efficiently removing and recovering food grade pigments and starch hydrolysates, while discarding unwanted frac...
12/03/1996
5578577Method for storing labile proteins
The present invention relates to improved specific binding assay methods, kits and devices utilizing chromatographically mobile specific binding reagents labelled with colloidal particles. Specific binding reagents labelled with colloidal particles such a...
11/26/1996
5523293Soy protein-based thermoplastic composition for preparing molded articles
The invention provides biodegradable, thermoplastic compositions made of the reaction product of soybean protein and a carbohydrate filler, a reducing agent, a plasticizer, water, and optional additives as desired. The composition has a high degree of flo...
06/04/1996
5510463Process for producing zein
A process in which treatment conditions in the extraction steps of the corn protein, zein, are stabilized and by which decolorized and purified zein can be provided in a stable manner through continuous treatment steps, while simultaneously providing tech...
04/23/1996
5410021Recovery of protein, protein isolate and/or starch from cereal grains
The protein/starch bond is broken mechanically by wet attrition milling rather than by cooking or with chemicals alone. The grain particles are milled to a particle size sufficiently small to break the bond between starch and protein and sufficiently larg...
04/25/1995
5399550Physiologically active substance derived or malt and process for the production thereof
A multi-functional physiologically active substance can be obtained from the residue of saccharified malt which has been worthless other than feed for cattle. The isolation of the active substance is performed by an extraction of the residue with water or...
03/21/1995
5367055Process for treating zein containing material
Processes for treating a zein containing material to decrease inherent color and smell as well as for obtaining zein component therefrom, which is decreased in color tone and smell. The removal of color and smell is carried out by contacting the material ...
11/22/1994
5356467Controlled release coatings derived from aqueous dispersions of zein
Stable aqueous dispersions of zein which may be used as controlled release coatings of pharmaceutical, animal, health, or food products in an inorganic solvent-free environment are disclosed, as well as methods for preparing the same....
10/18/1994
5342923Process for refining zein
There is disclosed a process for refining a zein. A solution containing crude zein, as a raw material is finely dispersed into absolute or high purity acetone solution having no ability for dissolving the zein, to cause precipitation of a zein component, ...
08/30/1994
5324351Aqueous dispersions of zein and preparation thereof
Aqueous dispersions of zein which may be used in the coating of pharmaceutical, animal, health, or food products in an inorganic solvent-free environment are disclosed, as well as methods for preparing the same....
06/28/1994
5284934Synthesis and utilization of carbohydrate-binding polymer-lectin conjugates
The present invention provides a process for preparing a carbohydrate-binding lectin derivative for use as immune modulators or immunoconjugates. The polymer-lectin conjugate produced in accordance with the process is polyethylene glycol Ricinus communis ...
02/08/1994
5266685Non-bitter protein hydrolyzates
New protein hydrolyzates are produced by treating an aqueous solution of a protein hydrolyzate with an adsorptive resin functional to remove from the protein hydrolyzate bitter taste components, color and odor components and aromatic amino acids. The trea...
11/30/1993
5254673Purification of zein from corn gluten meal
This invention pertains to methods for extracting and purifying zein, zein bodies, glutelins or destarched corn gluten from corn gluten meal by efficiently removing and recovering food grade pigments and starch hydrolysates, while discarding unwanted frac...
10/19/1993
5210184Process for enhancing some functional properties of proteinaceous material
A process for enhancing the functional properties of denatured proteinaceous material of vegetable origin. The enhanced properties include at least one property selected from the group consisting of water absorption, water binding capacity, oil binding ca...
05/11/1993
5145702Hydrophobic protein microparticles and preparation thereof
Water-dispersible microparticles of hydrophobic, water-insoluble, non-denatured protein, and method for preparing a suspension of these microparticles by the controlled precipitation of the protein, is described. The suspension can be used as a substitute...
09/08/1992
5102987Preparation of hydrolyzed protein having reduced ଱-chlorohydrin content
The ଱-chlorohydrin content of liquid hydrolysed protein obtained by acid hydrolysis with hydrochloric acid is reduced by adjusting the pH of the liquid hydrolysed protein to a pH of from 8 to 14 and holding the liquid for a time sufficient for the &...
04/07/1992
5021248Hydrophobic protein microparticles and preparation thereof
Water-dispersible microparticles of hydrophobic, water-insoluble, non-denatured protein, and method for preparing a suspension of these microparticles by the controlled precipitation of the protein, is described. The suspension can be used as a substitute...
06/04/1991
4885357Modified zein proteins containing lysine
Modified 19kd and 22kd zeins containing lysine are provided. Lysine additions are made by modifying structural genes which encode 19kd and 22kd pre-zeins. Modified zeins produced from the modified structural gene templates are found to retain important pr...
12/05/1989
4268495Injectable embolization and occlusion solution
An injectable embolization and occlusion solution for the selective closure of organs, their duct systems, or blood vessels, comprises a solution of a prolamine such as zein in a physiologically compatible solvent such as ethanol. The solution is injected...
05/19/1981
4224219Method for producing water soluble corn protein derivatives by reacting with alkylene oxide
Process for treating corn protein with an alkylene oxide to produce a corn protein derivative that is soluble in a moderately alkaline aqueous medium. The process can also be used to produce a corn protein derivative that is more soluble in 50% aqueous et...
09/23/1980
4104444Fiber reinforced chemically modified protein articles
Disclosed are fiber-reinforced articles made of chemically-modified protein, such as sausage casings, and a method of producing such articles characterized by the steps of reacting a solution of a protein such as casein with at least two types of chemical...
08/01/1978
4066512Biologically active membrane material
A composite membrane structure for immobilizing biologically active materials, such as enzymes, is formed by coating a microporous polymeric membrane with a thin layer of an inert proteinaceous material, such as zein or collagen, so that the resultant coa...
01/03/1978
 
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