C08B37/0009

PROCESS FOR PREPARING ALKYL POLYGLUCOSIDES, AND ALKYL POLYGLUCOSIDES OBTAINED ACCORDING TO THE PROCESS

The present invention relates to a process for preparing an alkyl polyglucoside by enzymatic catalysis, using sucrose or an analogue thereof as substrate and making it possible to obtain a large diversity of alkyl polyglucosides in terms of size and structure of the glucoside part thereof, making possible the obtaining of an alkyl polyglucoside with a number of glucosyl units that can be adjusted from 2 to 200 glucosyl units. The process also makes it possible to adjust the linear or branched structure of the carbohydrate part of the alkyl polyglucoside obtained, and also the nature of the glycosidic bonds linking the glucose residues within the carbohydrate part.

OPTIMIZED METHOD FOR DECONTAMINATING PRODUCTION OF GLUCOSE POLYMERS AND GLUCOSE POLYMER HYDROLYZATES

The present invention relates to a method for decontaminating glucose polymers or the hydrolysates of the pro-inflammatory molecules thereof. Said method includes a) providing glucose polymers or the hydrolysates thereof, b) optionally, detecting or assaying the pro-inflammatory molecules in the glucose polymers or the hydrolysates thereof provided in Step a), and c) carrying out the following purifying steps: i. treatment using an enzymatic preparation having detergent properties and clarification properties; ii. treatment using a pharmaceutical-grade activated carbon with very high adsorption properties and “micropore” porosity; iii. optionally, treatment using a second activated carbon with “mesopore” porosity; iv. passing them over a macroporous adsorbent polymer resin having porosity greater than 100 Angstroms; and v. continuous ultrafiltration at 5 kDa.

POLYSACCHARIDE COATINGS WITH OXYGEN BARRIER PROPERTIES

Disclosed herein are coated articles comprising a substrate having at least one surface, and a coating composition disposed in a substantially continuous layer on at least one surface of the substrate, wherein the coating composition is present in an amount sufficient to increase the oxygen barrier property of the substrate, and the coating composition comprises a polysaccharide derivative. The polysaccharide derivative can comprise a poly alpha-1,3-glucan ether compound, such as a quaternary ammonium alpha-1,3-glucan ether. Also disclosed is packaging comprising the coated article.

AQUEOUS IRON CARBOHYDRATE COMPLEXES, THEIR PRODUCTION AND MEDICAMENTS CONTAINING THEM

A water soluble iron carbohydrate complex obtainable from an aqueous solution of iron(III) salt and an aqueous solution of the oxidation product of one or more maltrodextrins using an aqueous hypochlorite solution at a pH-value within the alkaline range, where, when one maltodextrin is applied, its dextrose equivalent lies between 5 and 20, and when a mixture of several maltodextrins is applied, the dextrose equivalent of the mixture lies between 5 and 20 and the dextrose equivalent of each individual maltodextrin contained in the mixture lies between 2 and 40, process for its production and a medicament for the treatment and prophylaxis of iron deficiency conditions.

POLYDEXTROSE MATERIAL
20230357450 · 2023-11-09 · ·

The present invention discloses a new type of water-soluble polydextrose. This new type of polydextrose contains at least 75% by weight of saccharide molecules having a degree of polymerisation (DP) of 5 or more and characterised in that the non-digestible fiber content is at least 80% by weight. Further, the present invention relates to a process for preparing this new type of polydextrose and to the use of this polydextrose in products such as food products, pharmaceutical products and personal care products.

Nonwoven glucan webs

Nonwoven webs formed from modified 1,3-α-D-glucan polymer and methods of forming the nonwoven webs are disclosed. The modified 1,3-α-D-glucan polymer can have a number average degree of polymerization in the range of from 55 to 10,000. The nonwoven webs can be used for personal hygiene wipes, filtration media, apparel or other uses.

Polydextrose material
11802168 · 2023-10-31 · ·

The present invention discloses a new type of water-soluble polydextrose. This new type of polydextrose contains at least 75% by weight of saccharide molecules having a degree of polymerisation (DP) of 5 or more and characterised in that the non-digestible fiber content is at least 80% by weight. Further, the present invention relates to a process for preparing this new type of polydextrose and to the use of this polydextrose in products such as food products, pharmaceutical products and personal care products.

Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids

Fibrids comprising poly alpha-1,3-glucan or surface-modified poly alpha-1,3-glucan were produced and characterized. Applications and products for using these fibrids include emulsification, viscosity modification, paper and paper making, personal care products, pharmaceutical products, food products, paper coatings, and composites. Examples of surface-modified poly alpha-1,3-glucan fibrids include those with a positive surface charge.

HIGHLY CRYSTALLINE ALPHA-1,3-GLUCAN

Disclosed herein are compositions comprising insoluble alpha-glucan particles having a high degree of crystallinity and small particle size. For example, the alpha-glucan particles can have a degree of crystallinity of at least about 0.65, and/or an average size of less than a micron. At least 50% of the glycosidic linkages of the insoluble alpha-glucan in the disclosed particles are alpha-1,3 glycosidic linkages. Further disclosed are methods of producing insoluble alpha-glucan particles, as well as their use in various applications and products.

POLYSACCHARIDE-ELASTOMER MASTERBATCH COMPOSITIONS

Disclosed herein are polysaccharide-elastomer masterbatch compositions and processes for preparing the masterbatch compositions. One method comprises a step of a) mixing i) an aqueous polysaccharide dispersion, or ii) a basic aqueous polysaccharide solution, with a rubber latex solution containing a rubber component to form a mixture. The method further comprises the steps of: b) coagulating the mixture obtained in step a) to produce a coagulated mass; and c) drying the coagulated mass obtained in step b). The masterbatch compositions are useful in preparing rubber-containing articles.