starch food modified: oxidized starches, 65996-62-5

Articles:

PubMed:	Synthesis, Characterization and Adsorption Properties of Magnetic γ-Fe2O3/C Nanocomposite.
PubMed:	Films based on oxidized starch and cellulose from barley.
PubMed:	Effects of Graphene Oxide and Oxidized Carbon Nanotubes on the Cellular Division, Microstructure, Uptake, Oxidative Stress, and Metabolic Profiles.
PubMed:	The Use of Dialdehyde Starch Derivatives in the Phytoremediation of Soils Contaminated with Heavy Metals.
PubMed:	Performance properties and antibacterial activity of crosslinked films of quaternary ammonium modified starch and poly(vinyl alcohol).
PubMed:	Discovery of the combined oxidative cleavage of plant xylan and cellulose by a new fungal polysaccharide monooxygenase.
PubMed:	Characterization of films based on chitosan lactate and its blends with oxidized starch and gelatin.
PubMed:	Thermal degradation behavior of hypochlorite-oxidized starch nanocrystals under different oxidized levels.
PubMed:	Catalytic and thermodynamic properties of glycosylated Bacillus cereus cyclodextrin glycosyltransferase.
PubMed:	Interaction of carbohydrates with alcohol dehydrogenase: Effect on enzyme activity.
PubMed:	Controlled uptake and release of lysozyme from glycerol diglycidyl ether cross-linked oxidized starch microgel.
PubMed:	ATP-dependent molecular chaperones in plastids--More complex than expected.
PubMed:	Conjugates of degraded and oxidized hydroxyethyl starch and sulfonylureas: synthesis, characterization, and in vivo antidiabetic activity.
PubMed:	Physicochemical properties of cassava starch oxidized by sodium hypochlorite.
PubMed:	Efficacy of hemostatic matrix and microporous polysaccharide hemospheres.
PubMed:	Physical and chemical indices of cucumber seedling leaves under dibutyl phthalate stress.
PubMed:	The role of the large subunit in redox regulation of the rice endosperm ADP-glucose pyrophosphorylase.
PubMed:	Structure, morphology and functionality of acetylated and oxidised barley starches.
PubMed:	Tryptophan requirement of pregnant sows.
PubMed:	Fruits, vegetables and their polyphenols protect dietary lipids from oxidation during gastric digestion.
PubMed:	A comparative study of neurotoxic potential of synthesized polysaccharide-coated and native ferritin-based magnetic nanoparticles.
PubMed:	[Determination of the carboxyl content of oxidized starch by fourier transform infrared (FTIR) spectroscopy].
PubMed:	The physico-chemical properties and biostimulative activities of humic substances regenerated from lignite.
PubMed:	Application of oxidized starch in bake-only chicken nuggets.
PubMed:	Design of starch-graft-PEI polymers: an effective and biodegradable gene delivery platform.
PubMed:	Determination of nickel in water, food, and biological samples by electrothermal atomic absorption spectrometry after preconcentration on modified carbon nanotubes.
PubMed:	Description of Thermogemmatispora carboxidivorans sp. nov., a carbon-monoxide-oxidizing member of the class Ktedonobacteria isolated from a geothermally heated biofilm, and analysis of carbon monoxide oxidation by members of the class Ktedonobacteria.
PubMed:	Tobacco seeds expressing feedback-insensitive cystathionine gamma-synthase exhibit elevated content of methionine and altered primary metabolic profile.
PubMed:	Changes in food caused by deep fat frying--a review.
PubMed:	Overexpression of plastidial thioredoxins f and m differentially alters photosynthetic activity and response to oxidative stress in tobacco plants.
PubMed:	Arabidopsis thaliana AMY3 is a unique redox-regulated chloroplastic α-amylase.
PubMed:	Translucent tissue defect in potato (Solanum tuberosum L.) tubers is associated with oxidative stress accompanying an accelerated aging phenotype.
PubMed:	Effects of intrajugular glucose infusion on feed intake, milk yield, and metabolic responses of early postpartum cows fed diets varying in protein and starch concentration.
PubMed:	Integrated analysis of seed proteome and mRNA oxidation reveals distinct post-transcriptional features regulating dormancy in wheat (Triticum aestivum L.).
PubMed:	A study of controlled uptake and release of anthocyanins by oxidized starch microgels.
PubMed:	Influence of oxidized starch on the properties of thermoplastic starch.
PubMed:	Deciphering the kinetic mechanisms controlling selected plant ADP-glucose pyrophosphorylases.
PubMed:	The composites based on plasticized starch and carbon nanotubes.
PubMed:	The composites based on plasticized starch and graphene oxide/reduced graphene oxide.
PubMed:	Oxidation and degradation of native wheat starch by acidic bromate in water at room temperature.
PubMed:	Fast and efficient benign oxidation of native wheat starch by acidic bromate under microwave activation.
PubMed:	A comparative study of the characteristics of cross-linked, oxidized and dual-modified rice starches.
PubMed:	Reduction-oxidation photocycle dynamics of flavins in starch films.
PubMed:	Enzymatic degradation behavior and cytocompatibility of silk fibroin-starch-chitosan conjugate membranes.
PubMed:	Cold-acclimation limits low temperature induced photoinhibition by promoting a higher photochemical quantum yield and a more effective PSII restoration in darkness in the Antarctic rather than the Andean ecotype of Colobanthus quitensis Kunt Bartl (Cariophyllaceae).
PubMed:	Extrusion and characterization of thermoplastic starch sheets from "macho" banana.
PubMed:	Insight into the redox regulation of the phosphoglucan phosphatase SEX4 involved in starch degradation.
PubMed:	Stabilization of protein-loaded starch microgel by polyelectrolytes.
PubMed:	Oxidized starch solutions for environmentally friendly aircraft deicers.
PubMed:	Caffeoylquinic acid-rich extract from chicory seeds improves glycemia, atherogenic index, and antioxidant status in rats.
PubMed:	Comparison of multilayer formation between different cellulose nanofibrils and cationic polymers.
PubMed:	Synthesis of oxidized guar gum by dry method and its application in reactive dye printing.
PubMed:	Antisense suppression of the small chloroplast protein CP12 in tobacco alters carbon partitioning and severely restricts growth.
PubMed:	Dietary selenium (Se) and vitamin E (V(E)) supplementation modulated methylmercury-mediated changes in markers of cardiovascular diseases in rats.
PubMed:	Oxidation of dietary stearic, oleic, and linoleic acids in growing pigs follows a biphasic pattern.
PubMed:	Lysozyme uptake and release by oxidized starch polymer microgels.
PubMed:	Polysaccharide-based adhesive for biomedical applications: correlation between rheological behavior and adhesion.
PubMed:	Furan formation from lipids in starch-based model systems, as influenced by interactions with antioxidants and proteins.
PubMed:	Thioredoxin-regulated beta-amylase (BAM1) triggers diurnal starch degradation in guard cells, and in mesophyll cells under osmotic stress.
PubMed:	Low catalyst loadings for the production of carboxylic acids from polysaccharides and hydrogen peroxide.
PubMed:	Importance of fat oxidation in starch-based emulsions in the generation of the process contaminant furan.
PubMed:	Lysozyme uptake by oxidized starch polymer microgels.
PubMed:	Polysaccharide gels based on chitosan and modified starch: structural characterization and linear viscoelastic behavior.
PubMed:	Evaluation of different teas against starch digestibility by mammalian glycosidases.
PubMed:	A multisyringe flow injection Winkler-based spectrophotometric analyzer for in-line monitoring of dissolved oxygen in seawater.
PubMed:	Metabolism and functions of L-glutamate in the epithelial cells of the small and large intestines.
PubMed:	Physicochemical and functional properties of ozone-oxidized starch.
PubMed:	The influence of carbon nanotubes on enzyme activity and structure: investigation of different immobilization procedures through enzyme kinetics and circular dichroism studies.
PubMed:	Preparation and characterization of oxidized starch polymer microgels for encapsulation and controlled release of functional ingredients.
PubMed:	Using ozonation and amino acids to change pasting properties of rice starch.
PubMed:	Mediator facilitated, laccase catalysed oxidation of granular potato starch and the physico-chemical characterisation of the oxidized products.
PubMed:	Protective roles of hydroxyethyl starch 130/0.4 in intestinal inflammatory response and oxidative stress after hemorrhagic shock and resuscitation in rats.
PubMed:	Choice of hemostatic agent influences adhesion formation in a rat cecal adhesion model.
PubMed:	Hydroxyethyl starch 130/0.4 prevents the early pulmonary inflammatory response and oxidative stress after hemorrhagic shock and resuscitation in rats.
PubMed:	Interfacial structuring in a phase-separating mixed biopolymer solution containing colloidal particles.
PubMed:	Comparative safety and efficacy of topical hemostatic agents in a rat neurosurgical model.
PubMed:	Reaction kinetics of gliadin-glutenin cross-linking in model systems and in bread making.
PubMed:	Sulfur starvation in rice: the effect on photosynthesis, carbohydrate metabolism, and oxidative stress protective pathways.
PubMed:	Physicochemical properties of partially oxidized corn starch from bromide-free TEMPO-mediated reaction.
PubMed:	[Effect of acetylation and oxidation on some properties of breadfruit (Artocarpus altilis) seed starch].
PubMed:	Encapsulation of nutraceutical monoterpenes in beta-cyclodextrin and modified starch.
PubMed:	Physicochemical properties of cellulose selectively oxidized with the 2,2,6,6-tetramethyl-1-piperidinyl oxoammonium ion.
PubMed:	Locations of hypochlorite oxidation in corn starches varying in amylose content.
PubMed:	Changes in redox ratio and protein glycation in precataractous lens from fructose-fed rats: effects of exogenous L-carnitine.
PubMed:	Osmoregulation in Dunaliella, Part I: Effects of osmotic stress on photosynthesis, dark respiration and glycerol metabolism in Dunaliella tertiolecta and its salt-sensitive mutant (HL 25/8).
PubMed:	Colorimetric endpoint assay for enzyme-catalyzed iodide ion release for high-throughput screening in microtiter plates.
PubMed:	Resuscitation with hydroxyethyl starch solution prevents nuclear factor kappaB activation and oxidative stress after hemorrhagic shock and resuscitation in rats.
PubMed:	Regulatory effect of amino acids on the pasting behavior of potato starch is attributable to its binding to the starch chain.
PubMed:	Applications of DL-buthionine-[S,R]-sulfoximine deplete cellular glutathione and improve white spruce (Picea glauca) somatic embryo development.
PubMed:	Hydrothermal oxidation of waste lipids, protein, and starch from New Zealand meat- and vegetable-processing plants.
PubMed:	Clearance of iron oxide particles in rat liver: effect of hydrated particle size and coating material on liver metabolism.
PubMed:	Redox regulation of a novel plastid-targeted beta-amylase of Arabidopsis.
PubMed:	Carbon balance and circadian regulation of hydrolytic and phosphorolytic breakdown of transitory starch.
PubMed:	Structural characteristics and physicochemical properties of oxidized corn starches varying in amylose content.
PubMed:	[Utilization of glucose and long-chain fatty acids in lactating dairy cows fed a fat-enriched diet].
PubMed:	[Our experiences with nephrectomy with special emphasis on using biocompatible materials].
PubMed:	Alterations of the glutathione redox state improve apical meristem structure and somatic embryo quality in white spruce (Picea glauca).
PubMed:	Effects of elevated pCO2 and/or pO3 on C-, N-, and S-metabolites in the leaves of juvenile beech and spruce differ between trees grown in monoculture and mixed culture.
PubMed:	Oxidized and acid thinned starch derivatives of hybrid maize: functional characteristics, wide-angle X-ray diffractometry and thermal properties.
PubMed:	Alpha-glucan, water dikinase (GWD): a plastidic enzyme with redox-regulated and coordinated catalytic activity and binding affinity.
PubMed:	Evaluation of microporous polysaccharide hemospheres as a novel hemostatic agent in open partial nephrectomy: favorable experimental results in the porcine model.
PubMed:	Oxidized low-density lipoprotein, iron stores, and haptoglobin polymorphism.
PubMed:	Albumin and hydroxyethyl starch modulate oxidative inflammatory injury to vascular endothelium.
PubMed:	Simple and selective method for determination of iodide in pharmaceutical products by flow injection analysis using the iodine-starch reaction.
PubMed:	Atorvastatin enhances cellular uptake of oxidized LDL in adipocytes from hypercholesterolemic rabbits.
PubMed:	Dose-response effects of intrauminal infusion of propionate on feeding behavior of lactating cows in early or midlactation.
PubMed:	Evaluation of certain food additives and contaminants.
PubMed:	Purification and kinetic properties of UDP-glucose dehydrogenase from sugarcane.
PubMed:	Electron flow to photosystem I from stromal reductants in vivo: the size of the pool of stromal reductants controls the rate of electron donation to both rapidly and slowly reducing photosystem I units.
PubMed:	Charring characteristics of atmospheric organic particulate matter in thermal analysis.
PubMed:	Anaerobaculum mobile sp. nov., a novel anaerobic, moderately thermophilic, peptide-fermenting bacterium that uses crotonate as an electron acceptor, and emended description of the genus Anaerobaculum.
PubMed:	Sugar utilization in the hyperthermophilic, sulfate-reducing archaeon Archaeoglobus fulgidus strain 7324: starch degradation to acetate and CO2 via a modified Embden-Meyerhof pathway and acetyl-CoA synthetase (ADP-forming).
PubMed:	Effects of postrumen starch infusion on milk production and energy metabolism in dairy cows.
PubMed:	Activation of spinach pullulanase by reduction results in a decrease in the number of isomeric forms.
PubMed:	Physicochemical and microbiological properties of selected rice flour-based batters for fried chicken drumsticks.
PubMed:	High-protein diets in hyperlipidemia: effect of wheat gluten on serum lipids, uric acid, and renal function.
PubMed:	Modified cotton gauze dressings that selectively absorb neutrophil elastase activity in solution.
PubMed:	Protective role of probiotics and prebiotics in colon cancer.
PubMed:	Action of Azotobacter vinelandii poly-beta-D-mannuronic acid C-5-epimerase on synthetic D-glucuronans.
PubMed:	Herbs and atherosclerosis.
PubMed:	Hydrolysis and redox factors affecting analysis of common phenolic marker compounds in botanical extracts and finished products.
PubMed:	Adhesion of rice flour-based batter to chicken drumsticks evaluated by laser scanning confocal microscopy and texture analysis.
PubMed:	Starch-deferoxamine conjugate inhibits hepatocyte Ca2+ uptake during hemorrhagic shock and resuscitation.
PubMed:	A bioelectrode for penicillin detection based on gluten-membrane-entrapped microbial cells.
PubMed:	Soft tissue adhesive composed of modified gelatin and polysaccharides.
PubMed:	Dietary fibre, lente carbohydrates and the insulin-resistant diseases.
PubMed:	Acute fuel selection in response to high-sucrose and high-starch meals in healthy men.
PubMed:	NC100150 Injection, a preparation of optimized iron oxide nanoparticles for positive-contrast MR angiography.
PubMed:	Activation of the potato tuber ADP-glucose pyrophosphorylase by thioredoxin.
PubMed:	'NC100150', a preparation of iron oxide nanoparticles ideal for positive-contrast MR angiography.
PubMed:	Oligosaccharide dehydrogenase-catalyzed assay for the determination of polysaccharides.
PubMed:	Hymenobacter roseosalivarius gen. nov., sp. nov. from continental Antartica soils and sandstone: bacteria of the Cytophaga/Flavobacterium/Bacteroides line of phylogenetic descent.
PubMed:	The role of liver alcohol dehydrogenase isoenzymes in the oxidation of glycolethers in male and female rats.
PubMed:	Enzymic analysis of the structure of oxidized potato starches.
PubMed:	Adhesions: pathogenesis and prevention-panel discussion and summary.
PubMed:	Adhesions: preventive strategies.
PubMed:	[The anticoagulant action of the nitric acid ester of oxidized starch].
PubMed:	Dietary rat models in which the development of hypertriglyceridemia and that of insulin resistance are dissociated.
PubMed:	Antimalarial activity of oxidized starch and cellulose imine derivatives.
PubMed:	Effect of dietary canola oil and its degree of oxidation on exocrine pancreatic secretions in growing pigs.
PubMed:	Lysophosphatidylcholine plays an essential role in the mitogenic effect of oxidized low density lipoprotein on murine macrophages.
PubMed:	Isolation and characterization of Halothermothrix orenii gen. nov., sp. nov., a halophilic, thermophilic, fermentative, strictly anaerobic bacterium.
PubMed:	Adaptations of Photosynthetic Electron Transport, Carbon Assimilation, and Carbon Partitioning in Transgenic Nicotiana plumbaginifolia Plants to Changes in Nitrate Reductase Activity.
PubMed:	Exogenous carbohydrate oxidation from different carbohydrate sources during exercise.
PubMed:	The role of type and structure of complex carbohydrates response to physical exercise.
PubMed:	Exogenous substrate oxidation during exercise: studies using isotopic labelling.
PubMed:	Beneficial effect of fluorocarbon reperfusion on postoperative cardiac dysfunction of transplanted heart.
PubMed:	Assay of reducing end-groups in oligosaccharide homologues with 2,2'-bicinchoninate.
PubMed:	Treatment of cerebral ischemia with Dextran-40 or Fluosol DA 20%.
PubMed:	Effect of hyperbaric oxygen treatment and perfluorochemical administration on glutathione status of the lung.
PubMed:	Regulation of chloroplast metabolism in leaves: Evidence that NADP-dependent glyceraldehydephosphate dehydrogenase, but not ferredoxin-NADP reductase, controls electron flow to phosphoglycerate in the dark-light transition.
PubMed:	Biodegradation of degradable plastic polyethylene by phanerochaete and streptomyces species.
PubMed:	Oxidation of corn starch, glucose, and fructose ingested before exercise.
PubMed:	Starch digestion in normal subjects and patients with pancreatic disease, using a 13CO2 breath test.
PubMed:	Determination of sulphide by anion-exchange with lead iodate.
PubMed:	Chemical stabilization of glucoamylase from Aspergillus niger against thermal inactivation.
PubMed:	Potential sorbents for medical and some related applications.
PubMed:	[Selectivity of inhibition of enzyme secretion by the pancreas after introduction of amylase into the duodenum].
PubMed:	Substrate depletion during formation of aflatoxin and kojic acid on corn inoculated with Aspergillus flavus.
PubMed:	Kinetic characterization of two classes of dog liver alcohol dehydrogenase isoenzymes.
PubMed:	Metabolism of Monoterpenes : Evidence for the Function of Monoterpene Catabolism in Peppermint (Mentha piperita) Rhizomes.
PubMed:	Fermentative Metabolism of Chlamydomonas reinhardtii: II. Role of Plastoquinone.
PubMed:	[Properties of modified starches with regard to tendencies of development in nutrition and food production].
PubMed:	Reductases for carbonyl compounds in human liver.
PubMed:	Physical and enzymatic properties of a class III isozyme of human liver alcohol dehydrogenase: chi-ADH.
PubMed:	Conversion of glucose, acetate and lactate to CO2 and fatty acids in liver and adipose tissue of prairie voles (Microtus ochrogaster).
PubMed:	A newly prepared surface-treated oxystarch for removal of urea.
PubMed:	Direct preparation of solid particulates of aminopyrine-barbital complex (pyrabital) from droplets by a spray-drying technique.
PubMed:	Production and Characteristics of Raw Starch-Digesting Glucoamylase O from a Protease-Negative, Glycosidase-Negative Aspergillus awamori var. kawachi Mutant.
PubMed:	Glycogen synthesis versus lipogenesis after a 500 gram carbohydrate meal in man.
PubMed:	N-bromosuccinimide oxidation of a glucoamylase from Aspergillus saitoi.
PubMed:	Chloroplast Respiration : A MEANS OF SUPPLYING OXIDIZED PYRIDINE NUCLEOTIDE FOR DARK CHLOROPLASTIC METABOLISM.
PubMed:	Starch Degradation in Spinach Leaves: ISOLATION AND CHARACTERIZATION OF THE AMYLASES AND R-ENZYME OF SPINACH LEAVES.
PubMed:	Cultural and biochemical characteristics of clinical isolates of unusual colistin-resistant pseudomonads.
PubMed:	Specific inhibition of glucosyltransferase of Streptococcus mutans.
PubMed:	Preparation of water-soluble high-molecular weight substrates for beta-D-galactosidase.
PubMed:	[The amount of L-dehydroascorbic acid on total-vitamin C of vegetable products (author's transl)].
PubMed:	Grafting of proteins onto polymer surfaces with the use of oxidized starch.
PubMed:	The sarcoplasmic proteins of white muscle of an antarctic hemoglobin-free fish, Champsocephalus gunnari.
PubMed:	Dietary fiber and cholesterol metabolism in rabbits and rats.
PubMed:	Reduction in hyperlipidemia in hemodialysis patients treated with charcoal and oxidized starch (oxystarch).
PubMed:	Multilayer film elements for clinical analysis: applications to representative chemical determinations.
PubMed:	[Synthesis and properties of carrier-fixed enzymes. VII. Linking of glucoamylase to dialdehyde cellulose, carboxymethylcellulose hydrazide and carboxymethylcellulose azide].
PubMed:	Mechanism of life prolongation in nephrectomized rats treated with oxidized starch and charcoal.
PubMed:	[Use of topical hemostatic preparations in surgery].
PubMed:	Sorbents in the management of uremia.
PubMed:	[Intestinal elimination of uremic metabolites by the adsorbents].
PubMed:	Alcohol metabolism in American Indians and whites. Lack of racial differences in metabolic rate and liver alcohol dehydrogenase.
PubMed:	[Changes in the nutritive physiological value of proteins modified by dialdehyde starch].
PubMed:	Mechanism of urea nitrogen binding by proposed oxidized starch gastrointestinal absorbents.
PubMed:	Oxidase-peroxidase enzymes of Datura innoxia. Oxidation of reduced nicotinamide-adenine dinucleotide in the presence of formylphenylacetic acid ethyl ester.
PubMed:	Hemoglobin Syracuse (alpha2beta2-143(H21)His leads to Pro), a new high-affinity variant detected by special electrophoretic methods. Observations on the auto-oxidation of normal and variant hemoglobins.
PubMed:	Life prolongation in nephrectomized rats fed oxidized starch and charcoal.
PubMed:	Oxycellulose and ammonia-treated oxystarch as insoluble polyaldehydes in uremia.
PubMed:	Potassium and nitrogen binding in the human gut by ingested oxidized starch (OS).
PubMed:	Altered electrophoretic mobility of oxidized phosphoglucomutase.
PubMed:	Genetic variants of glucose 6-phosphate dehydrogenase from human erythrocytes: unique properties of the A - variant isolated from "deficient" cells.
PubMed:	Microiodometric determination of beta-lactamase activity.
PubMed:	Removal of uremic waste metabolites from the intestinal tract by encapsulated carbon and oxidized starch.
PubMed:	Formation of hemichromes from oxidized hemoglobin subunits.
PubMed:	[Synthesis of oxidized starch (oligouronic acid)].
PubMed:	Glucose and glycogen metabolism in erythrocytes from normal and glycogen storage disease type III subjects.
PubMed:	Comparison of oxidative metabolism in starved, fat-fed and carbohydrate-fed rats.
PubMed:	Electrophoretic and other studies on haem pigments from Rhodopseudomonas palustris: cytochrome 552 and cytochromoid c.
PubMed:	Heterogeneity of liver alcohol dehydrogenase on starch-gel electrophoresis.
PubMed:	[STUDIES ON THE ALPHA (1, 4) POLYSACCHARIDES OF GLUCURONIC ACID AND GLUCOSE. V. A NEW METHOD TO DETERMINE THE URONIC ACID RESIDUES IN POLYURONIC ACIDS AND ITS APPLICATION TO THE NITRIC ACID OXIDIZED STARCHES].
PubMed:	[STUDIES ON THE NITRIC ACID OXIDIZED STARCHES. V. MAIN AND SIDE REACTIONS IN THE OXIDATION OF STARCHES BY NITRIC ACID].
PubMed:	[Colorimetric determination of glucuronic acid in the presence of oxidized starch].
PubMed:	Studies on oxidized starch sulfates for medical purposes. I. Synthesis of sulfates of oxidized starch and its derivatives.
PubMed:	Studies on oxidized starch sulfates for medical purposes. V. Investigation on the complex of pepsin with sulfates of oxidized starch and its reduced products.
PubMed:	Studies on oxidized starch sulfates for medical purposes. IV. Protective effect of sulfates of oxidized starch and its reduced products on experimental peptic ulceration.
PubMed:	Studies on oxidized starch sulfates for medical purposes. III. Inhibition of the proteolytic action of pepsin by sulfates of oxidized starch and its reduced products.
PubMed:	Studies on oxidized starch sulfates for medical purposes. II. Anticoagulant activity of sulfates of oxidized starch and its derivatives.
PubMed:	Nutritional value of chemically modified corn starches.