Compositions are disclosed herein comprising at least one dextran ether compound that comprises uncharged, anionic, and/or cationic organic groups. The degree of substitution of one or more dextran ether compounds is about 0.0025 to about 3.0. Dextran from which the disclosed ether compounds can be derived can have a weight-average molecular weight of about 50-200 million Daltons and/or a z-average radius of gyration of about 200-280 nm. Also disclosed are methods of producing dextran ether compounds, as well as methods of using these ether compounds in various applications.

Compositions are disclosed herein comprising at least one dextran ether compound that comprises uncharged, anionic, and/or cationic organic groups. The degree of substitution of one or more dextran ether compounds is about 0.0025 to about 3.0. Dextran from which the disclosed ether compounds can be derived can have a weight-average molecular weight of about 50-200 million Daltons and/or a z-average radius of gyration of about 200-280 nm. Also disclosed are methods of producing dextran ether compounds, as well as methods of using these ether compounds in various applications.

Disclosed are compositions and methods relating to a simplified process for producing maltodextrin and specialty syrups using fewer enzymes and less complicated conditions than required for contemporary enzymatic processes.

Disclosed are compositions and methods relating to a simplified process for producing maltodextrin and specialty syrups using fewer enzymes and less complicated conditions than required for contemporary enzymatic processes.

An enzymatically produced soluble -glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble -glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble -glucan fiber are also provided.

An enzymatically produced soluble -glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble -glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble -glucan fiber are also provided.

Reaction compositions are disclosed herein comprising at least water, beta-glucose-1-phosphate (beta-G1P), an acceptor molecule, and an alpha-1,3-glucan phosphorylase enzyme. These reactions can synthesize oligosaccharides and polysaccharides with alpha-1,3 glycosidic linkages. Further disclosed are alpha-1,3-glucan phosphorylase enzymes and methods of use thereof.

Reaction compositions are disclosed herein comprising at least water, beta-glucose-1-phosphate (beta-G1P), an acceptor molecule, and an alpha-1,3-glucan phosphorylase enzyme. These reactions can synthesize oligosaccharides and polysaccharides with alpha-1,3 glycosidic linkages. Further disclosed are alpha-1,3-glucan phosphorylase enzymes and methods of use thereof.

The present invention provides a coated-type feed additive composition for improving body weight gain of livestock or feed conversion ratio for livestock comprising: a core containing a polysaccharide having a property of aggregating gram-negative bacteria; and a core coating agent.

Polypeptides having the ability to specifically form connections of glucosyl units in alpha 1,3 on an acceptor having at least one hydroxyl moiety are presented. The polypeptides include i) the pattern I of sequence SEQ ID NO: 1, ii) the pattern II of sequence SEQ ID NO: 2, iii) the pattern III of sequence SEQ ID NO: 3, and iv) the pattern IV of sequence SEQ ID NO: 4, or derivates from one or several of said patterns, wherein the polypeptide furthermore has an aspartic residue (D) at position 5 of the pattern II (SEQ ID NO: 2), a glutamic acid residue (E) at position 6 of the pattern III (SEQ ID NO: 3) and an aspartic acid residue (D) at position 6 of the pattern IV (SEQ ID NO: 4). Methods for producing acceptors connected to glucosyl units in alpha 1,3 using the polypeptides are also provided.