Showing papers in "Carbohydrate Polymers in 2005"

TL;DR: This review has summarized different enzymatic preparation methods of COS and some of their reported biological activities, such as antimicrobial, anticancer, antioxidant, and immunostimulant effects are depend on their physico-chemical properties.

TL;DR: In this article, the effects of plasticizers (glycerol, sorbitol, and 1:1 mixture of glycerol and Sorbitol) on moisture sorption characteristics of cassava starch films were investigated at three levels of plasticizer concentration (0, 20, and 40 g/100 g starch).

TL;DR: This article reviews the various methods such as free radical, radiation, enzymatic and cationic graft copolymerization onto chitosan, the factors influencing on the grafting parameters such as grafting percentage and grafting efficiency, and the properties of grafted chitOSan.

TL;DR: In this article, two kinds of material were studied: chitosan cross-linked with glutaraldehyde and in a blend with PEO, and the in?uence of cross-linking and PEO addition on thermal properties of the resulting materials were analyzed by TG/DTG, DSC and DMTA.

TL;DR: The large quantity of green cull bananas has the potential of being used industrially and, thereby, to improve banana economics and eliminate the large environmental problem presented by banana waste as discussed by the authors.

TL;DR: In this article, the influence of structural features on thermal properties and enzyme digestibility of 15 starches from different botanical sources were selected to study the influence on the thermal properties of the starches.

TL;DR: In this paper, thermoplastic starch (TPS) was prepared with urea and formamide as the mixed plasticizer to restrain starch retrogradation, which showed good dispersion and adhesion between starch and fiber.

TL;DR: In this article, a series of cationic starches (Cat St) were developed by incorporating N-(3-Chloro-2-hydroxypropyl) trimethyl ammonium chloride (CHPTAC) onto the backbone of starch in presence of NaOH.

TL;DR: In this article, the effects of 360-kHz ultrasound on aqueous solutions of chitosan and starch were studied and the average sonochemical chain scission yield in the sonication time range of 0-90min was shown to depend on polymer concentration, ultrasound power and gas used to saturate the solution.

TL;DR: In this paper, the authors examined nanocomposites of glycerol-plasticized starch, with untreated montmorillonite and hectorite, and found that these composites presented greater increases in modulus for a given volume fraction of clay thus contributing to this new class of biodegradable and environmentally acceptable materials.

TL;DR: In this paper, a simple and multiple regression analysis of 15 starches from different plant origins were studied to elucidate their relationship with structural features using simple and multi-regression analyses.

TL;DR: In this article, the authors report on the microencapsulation of cardamom oleoresin by spray drying using binary and ternary blends of gum arabic, maltodextrin, and modified starch as wall materials.

TL;DR: In this article, two crosslinking agents, butanetetracarboxylic acid (BTCA) and Arcofix NEC (low formaldehyde content), were applied to cotton fabrics in the presence of chitosan to provide the cotton fabrics a durable finish and antimicrobial properties.

TL;DR: Konjac glucomannan is a kind of neutral polysaccharides with excellent biocompatibility and biodegradable activities as mentioned in this paper and its derivatives in pharmaceutical, bio-technical, fine chemical fields etc.

TL;DR: In this paper, the rheological behavior of aqueous galactomannan solutions was studied at 25°C, using steady-shear and dynamic oscillatory measurements performed with a controlled stress rheometer AR2000 (TA Instruments) fitted with cone-and-plate geometry.

TL;DR: A new polysaccharide (YP-1) from a variety of Chinese yam, Dioscorea opposita Thunb, having health benefits was extracted by water and further successively purified through DEAE-Cellulose A52 and Sephadex G-100 columns.

TL;DR: In this article, the authors report on microencapsulation of cardamom oleoresin by spray drying using gum arabic, maltodextrin and modified starch as wall materials.

TL;DR: In this paper, the behavior of ion exchange of carboxylate groups in the TEMPO-oxidized fibrous cellulose prepared from cotton linters was compared with that of fibrous carboxymethyl cellulose (F-CMC) with almost the same carboxyate content as that of the tEMPOoxidised cellulose.

TL;DR: This review article covers various facets of cereal α-amylase research, i.e. definition, history, types, sources, classification based on their mode of action, assay methods, molecular basis of α- amylase induction during malting, isolation, fractionation, purification procedures, purity criteria, kinetic properties of cereal amylases and their activators, stabilizers and inhibitors.

TL;DR: In this paper, X-ray diffraction, Scanning Electron Microscopy (SEM), water vapor permeability and mechanical analyses were performed on a variety of starch sources (banana, okenia and mango).

TL;DR: In this article, the reaction of chitosan with ammonium thiocyanate in ethanol was reported to have better antibacterial activity than antifungal activity.

TL;DR: Different methods of isolating arabinoxylans from barley husks were compared and the effect of isolation method on yield, composition and physicochemical as well as material properties was investigated.

TL;DR: In this article, the α-chitin whisker-reinforced chitosan nanocomposite films were prepared by solution-casting technique and the length of the as-prepared whiskers ranged between 150 and 800 nm, while the width ranged between 5 and 70 nm.

TL;DR: Banana pseudo stem has been known as a potential cellulose source, though usually discarded as agricultural waste in Indonesia as discussed by the authors, and a method to utilize cavendish banana pseudo stem for preparing sodium carboxymethylcellulose (CMC) and its characteristics.

TL;DR: In this paper, a potato starch-water suspension (10%) was subjected to high pressure treatment at 600 MPa for 2 and 3 min. And the results showed that high pressure significantly affected the intensity of bands corresponding to the amorphous (1018 cm−1) and more ordered (1047 cm− 1) part of starch structure.

TL;DR: In this paper, the addition of starch to LDPE reduced the melting flow index (MFI), tensile test, dynamic mechanical thermal analysis (DMTA) and scanning electron microscopy (SEM).

TL;DR: In this article, a water soluble chitosan (CS) derivatives containing polylactide unit were synthesized by reacting DL-Lactide (DLLA) with chitosa in dimethyl sulfoxide solution in the presence of triethylamine.

TL;DR: In this article, the degree of acetylation of chitosan was determined from the ratio between the integrated area of the proton signal corresponding to the acetamido group (H-Ac) and that of the H-2 of the GlucN unit.

TL;DR: In this article, the gelatinization of cationic tapioca starch embedded in gum matrices was investigated by using a Rapid Visco-Analyzer (RVA), differential scanning calorimeter (DSC), scanning electron microscope (SEM), and rheometer.

TL;DR: In this paper, the mechanical properties of starch/PVA blends with or without cross-linking were analyzed in order to study how the increase in the linear to branched chain can improve the material's performances.