239 results about "High amylose" patented technology

PCT No. PCT/AU95/00613 Sec. 371 Date Jun. 17, 1997 Sec. 102(e) Date Jun. 17, 1997 PCT Filed Sep. 18, 1995 PCT Pub. No. WO96/08261 PCT Pub. Date Mar. 21, 1996A probiotic composition is disclosed which is particularly useful for inclusion in food products to enhance their nutritional value. The composition comprises one or more probiotic microorganisms such as Bifidobacterium and a carrier to transport the microorganisms to the large bowel or other regions of the gastrointestinal tract. The carrier is a modified or unmodified resistant starch, particularly a high amylose starch, which acts as a growth or maintenance medium for microorganisms in the large bowel or other regions of the gastrointestinal tact.

The invention relates to a sustained release formulation for delivering one or more pharmaceutically active agents. The formulation comprises cross-linked high amylose starch and at least one pharmaceutically active agent, and optionally can be subdivided into smaller dosage forms where the smaller dosage forms have substantially the same sustained release properties as the formulation from which they were derived. The formulations can provide sustained release for up to at least 24 hours, and because of their divisability permits a recipient of the active agent or the person administering the active agent to titrate the dosage of the agent.

A delivery vehicle for bioactive agents and live probiotic microbes to aquatic animals protects the bioactive compounds and microbes from digestion and destruction in the animal stomach. It provides for controlled release of bioactive agents and live probiotic microbes to aquatic animals in the form of dry or wet beadlets with essential nutrients and attractants bound with soluble starch and cross-linked alginate. The bioactive agents and live probiotic microbes can be bound with emulsified high-amylose starch and embedded in the beadlets in the form of microparticles.

Wheat having a reduced level of SBEIIa activity, that may have a relative high amylose content. Wheat having a mutant SBEIIa gene in the A genome. The wheat might additionally have reduced levels of SBEIIb activity. The wheat grain of this invention can be of a non-shrunken phenotype despite a lesion in the amylopectin synthesis pathway, and may also have a high relative amylose content.

A biodegradable injection mouldable polymer having the composition a) from 50 to 85% by weight of a starch and or a modified high amylose starch b) from 4 to 13% by weight of a water soluble polymer selected from polyvinylacetate, polyvinyl alcohol and copolymers of ethylene and vinylalcohol which have a melting point compatible with the molten state of the starch components c) from 10 to 35% by weight of a polyol plasticizer d) from 0.5 to 10% of a polyethylene oxide or polyethylene glycol e) from 0 to 1.5% by weight of a C_12-22 fatty acid or salt and f) from 0.25% to 3% of a food grade emulsifier. The polymers are suitable for biodegradable, flushable tampon applicators and other medical or industrial products where flushability and bio degradability are desirable

High amylose flour may be processed by a short hydrothermal treatment to increase its total dietary fiber (TDF) content. These flours may be prepared by heating a high amylose flour at a total water content of from about 10 to 50% by weight at a temperature of from about 80 to 160° C., for about 0.5 to 15 minutes at target temperature. This invention further relates to products which contain the high TDF flour, including food products.

A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose starch, a) from 0 to 87.9% of starch, b) from 4 to 11% by weight of a water soluble polymer selected from polyvinylacetate, polyvinyl alcohol and copolymers of ethylene and vinylalcohol which have a melting point compatible with the molten stat of the starch components, c) from 0 to 20% by weight of a polyol plasticiser, preferably glycerol, d) from 0.1 to 1.5% by weight of a C12-22 fatty acid or salt, preferably stearic acid and, e) 0 to 12% added water. The polymers are suitable as biodegradable rigid sheet or flexible film materials for use in packaging foodstuffs.

The invention relates to a biological tuberous starch degradable plastic master batch. The plastic mater batch is prepared from the following components by weight percentage: 70-80% of fine tuberous starch, 7-10% of flexibilizer, 0.5-2% of initiator, 4-7% of modifier, 1-3% of plasticizer and 3-6% of lubricating processing aid. The method for producing the biological tuberous starch degradable plastic master batch comprises the following steps of: tuberous starch refining procedure, starch high-speed mixing procedure and reaction extrusion procedure. The tuberous starch is a natural polymer substance with high polymerization degree, and has the advantages of high polarization, high amylose content, low cost and easy purchase. In addition, the tuberous starch is easy to perform graft reaction with the polymer, and is easy to perform esterification reaction with the modifier; and the natural starch with high rigidity and high crystallinity is converted into a plastic master batch with plastic property through microfining, modification and reaction extrusion. As the master batch has a certain strength and thermoplastic processing property, the master batch can be used for processing various film products, blow molding products and injection molding products according to different adding amounts.

A pet food containing (A) an oil or fat and (B) one or more carbohydrate sources selected from the group consisting of modified starch, barley, sorghum, corn and high-amylose starch, wherein a content of diacylglycerol in the whole oil or fat is 20 wt % or higher.

The pet food according to the present invention is excellent in the preventing or controlling effect on obesity, is not reduced in ingestion capacity, and does not affect stool conditions.

Wheat having a reduced level of SBEIIa activity, that may have a relative high amylose content. Wheat having a mutant SBEIIa gene in the A genome. The wheat might additionally have reduced levels of SBEIIb activity. The wheat grain of this invention can be of a non-shrunken phenotype despite a lesion in the amylopectin synthesis pathway, and may also have a high relative amylose content.

A bowl-shaped container (10a) which is as a biodegradable molded article adheres a coating film (12) mainly made of biodegradable plastic and having at least hydrophobicity to the surface of the main body (11a) of the container mainly made of starch. The main body (11a) is molded through steam expansion of a slurry or dough molding material containing high-amylose starch and water, or a slurry or dough molding material containing starch, polyvinyl alcohol and water. For these reasons, it is possible to accomplish sufficient strength and at least sufficient water resistance, to exert a very excellent biodegradability and further to provide a biodegradable molded article having excellent moisture absorption strength mainly made of starch even if the biodegradable molded article has a complicated shape.

Low energy-dense food products and methods of making low energy-dense food products are provided. Illustrative examples have a bulk density of less than 240 kg/m³ (about 15 lb/ft³) and comprise a high amylose starch and a starch comprising long chain amylose.

The invention relates to a preparation method of a fully biodegraded high-amylose based film. The invention resolves the problem that the present plastic film cannot be fully biodegraded. The preparation method of the fully biodegraded high-amylose based film includes following steps: (1) Gelatinization; (2) Blending; (3) Plasticization and Crosslinking; (4) Degasification and Drying, and the fully biodegraded high-amylose based film can be obtained by the preparation method. The products produced by the invention are characterized in safety, nontoxicity, full biodegradation, etc., thus having good use performance and degradation performance.

High amylose starches are treated to retain resistance while improving water binding properties. Starch functionality is varied by pre-processing of starches by heating and microfluidisation, to create changes in product viscosity, resistant starch content, particle size and molecular weight. The treated starches produce food grade resistant starches which have the ability to bind water, build viscosity, gel and form films. They can be used as fat replacement ingredients.

The invention provides a starch hollow capsule and a preparation method thereof. The starch hollow capsule comprises components in parts by weight as follows: 60 parts to 90 parts of cross-linking high amylose, 3 parts to 15 parts of tributyl citrate, 5 parts to 15 parts of guar gum, 1 part to 5 parts of span-80 and 1 part to 5 parts of inulin. The cross-linking high amylose is prepared by cross-linking natural high direct connection starch through a cross-linking agent consisting of sodium metaphosphate and adipic acid. The starch hollow capsule has the advantages that the price is low, the quality is good, and the strength is high, standards of Chinese Pharmacopoeia are achieved, the friability is 5%, the disintegration time is five minutes, and obvious effects are achieved in practical application.

The present invention relates to a novel form of cross-linked high amylose starch and processes for its manufacture. Such cross-linked high amylose starch is useful as an excipient in a controlled-release pharmaceutical formulation when compressed with pharmaceutical agent(s) in a tablet. Such cross-linked high amylose starch is prepared by (a) cross-linking and chemical modification of high amylose starch, (b) gelatinization, and (c) drying to obtain a powder of said controlled release excipient. In a preferred embodiment, such cross-linked high amylose starch is prepared in the following steps: (1) granular cross-linking and additional chemical modification (e.g., hydroxypropylation) of high-amylose starch; (2) thermal gelatinization of the starch from step (1); and (3) drying the starch from step (2) to yield a powder capable of being used as a controlled release excipient.

The invention relates to a preparation method of corn resistant starch, which uses common corn starch as raw material to produce corn resistant starch with multiple physiological functions and characteristics by combined treatment of microbial fermentation and hot pressing and cooling. The resistant starch has physiologic functions of effectively controlling body weight, preventing constipation, appendicitis, hemorrhoids and colon cancer, controlling diabetes, increasing lipid discharge, improving lipid composition, promoting absorption of zinc, calcium and magnesium ions, increasing removal of cholesterol and cholic acid, and reducing cholesterol biosynthesis, lipid absorption and fatty acid biosynthesis. The resistant starch used in food processing industry has better physicochemical properties than those of dietary fiber, low water retention capacity, good mouthfeel, no influence on food, and improve food texture. The invention solves the problems in production of resistant starch, including low yield and lack of high amylase starch in China.

The invention discloses a preparation method of a corn starch-fatty acid compound having a V-shaped crystal structure. The preparation method comprises the steps of ultrasonic pretreatment, gelatinization and crystallization. Sodium alginate and high amylose maize starch are prepared into suspension, wherein sodium alginate is used for improving the hydrophobicity and the acid resistance of a product and reducing the hydrolysis of the product in a processing procedure; the suspension is subjected to ultrasonic treatment at 30 DEG C under 300W for 15min so that corn starch is uniformly dispersed and gelatinization and fatty acid complexing are facilitated; conjugated linoleic acid is added to prepare mixed liquid; after fatty acid is complexed, the starch can form V-shaped crystal with a high ordering degree, and the tolerance of the starch to alpha-amylase is improved; DMSO (dimethylsulfoxide) is added, the mixed liquid is gelatinized in a boiling water bath for 40min and then diluted with 60 DEG C water, the diluted liquid is subjected to heat preservation for 15min so that the compound forms crystals; and then separation washing and freeze-drying are carried out. The content of digestion resistant starch can reach 57% or above, the composite index of the conjugated linoleic acid can reach 27% or above, and the corn starch-fatty acid compound has good enzymolysis resistance and has certain tolerance to a hot-working tool.

A biodegradable polymer is disclosed having the composition g) from 8 to 80% by weight of a starch modified to include an hydroxyalkyl C_2-6 group or modified by reaction with an anhydride of a dicarboxylic acid, preferably hydroxypropylated high amylose starch, a) from 0 to 87.9% of starch, b) from 4 to 11% by weight of a water soluble polymer selected from polyvinylacetate, polyvinyl alcohol and copolymers of ehtylene and vinylalcohol which have a melting point compatible with the molten state of the starch components, c) from 0 to 20% by weight of a polyol plasticiser, preferably glycerol, d) from 0.1 to 1.5% by weight of a C_12-22 fatty acid or salt, preferably stearic acid and, e) 0 to 12% added water. The polymers are suitable as biodegradable rigid sheet or flexible film materials for use in packaging foodstuffs.

The invention provides a starch full-biodegradable resin and a continuous preparation method thereof. The starch full-biodegradable resin comprises the following components in parts by weight: 100 parts of high amylose, 0.05-0.10 part of catalyst, 0.1-0.15 part of initiator, 3-5 parts of organic monomer and 65-170 parts of biodegradable resin. The starch full-biodegradable resin is high in starch filling content and excellent in mechanical property and secondary processability, and can meet a stricter sanitary standard. According to the continuous preparation method of the starch full-biodegradable resin, the starch grafting and blending is carried out through continuous operation, the phenomena that the mechanical property and secondary processability of the products are lowered caused by migration of plasticizers and ordered reconfiguration of structures carried out spontaneously among chains are avoided, and a stricter sanitary standard can be met. The prepared starch full-biodegradable resin is high in starch content and excellent in mechanical property, and the cost is greatly reduced.