Abstract: The invention provides a method for isolating root or tuber native protein, which method comprises at least the process steps of a) processing a root or tuber to obtain root or tuber processing water comprising root or tuber native protein; b) isolating said root or tuber native protein from said root or tuber processing water to obtain an aqueous solution comprising at least 5 wt. % of root or tuber native protein, characterized in that all process steps are performed at a temperature lower than 40° C. This method results in root or tuber native protein with decreased tendency to gel, which has advantages for the processing of liquid protein solutions.

Abstract: The invention relates to the field of food ingredients. In particular, it relates to methods for providing highly purified coagulated potato protein having a desirable taste which is advantageously used for the fortification of food products. Provided is a method for providing a purified coagulated potato protein product, comprising (i) subjecting heat coagulated potato protein to one or more extraction step(s) with an alcoholic extraction solvent comprising (a) ethanol and water at a ratio in the range of 90:10 to 60:40 (v/v), or (b) propanol and water at a ratio in the range of 90:10 to 40:60 (v/v) at a pH in the range of 3 to 6, under conditions allowing for extraction of glycoalkaloids and lipids from said heat coagulated potato protein composition, followed by (ii) washing the extracted heat coagulated potato protein with water to obtain a purified coagulated potato protein product, followed by (iii) drying the purified coagulated potato protein product.

Abstract: The present invention relates to a polypeptide having phospholipase C activity, selected from the group consisting of i. a polypeptide comprising a mature polypeptide sequence of SEQ ID NO: 2; ii. a polypeptide that has least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% identity to the mature polypeptide sequence of SEQ ID NO: 2; iii. a polypeptide encoded by a nucleic acid that hybridizes under medium stringency, preferably under high stringency conditions to the complementary strand of the mature polypeptide coding sequence of SEQ ID NO:1; iv. a polypeptide encoded by a nucleic acid that has at least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% identity to the mature polypeptide coding sequence of SEQ ID NO: 1.

Abstract: The present invention relates to a polypeptide having asparaginase activity selected from the group consisting of: (i) a polypeptide having an amino acid sequence comprising the mature polypeptide sequence of SEQ ID NO: 1; (ii) a polypeptide comprising an amino acid sequence that has at least 50% sequence identity with the mature polypeptide sequence of SEQ ID NO: 1; (iii) a polypeptide encoded by a nucleic acid comprising a sequence that hybridizes under medium stringency conditions to the complementary strand of the mature polypeptide encoding sequence of SEQ ID NO: 2; and (iv) a polypeptide comprising an amino acid sequence encoded by a nucleic acid that has at least 50% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 2. The polypeptide may be used in the preparation of a food product.

Abstract: The present invention relates to a polypeptide having phospholipase C activity, selected from the group consisting of i. a polypeptide comprising a mature polypeptide sequence of SEQ ID NO: 2; ii. a polypeptide that has least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% identity to the mature polypeptide sequence of SEQ ID NO: 2; iii. a polypeptide encoded by a nucleic acid that hybridizes under medium stringency, preferably under high stringency conditions to the complementary strand of the mature polypeptide coding sequence of SEQ ID NO:1; iv. a polypeptide encoded by a nucleic acid that has at least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% identity to the mature polypeptide coding sequence of SEQ ID NO: 1.

Abstract: The invention relates to a method for providing analogs of human milk oligosaccharides (HMO), in particular oligosaccharides containing terminal sialic acid. The method comprises the steps of: a) providing a source of non-digestible galactooligosaccharides (GOS) containing at least two terminally bonded ?-linked galactose residues; b) providing a sialic acid donor having (?2-3)-sialylated O-glycans; c) contacting said GOS with said sialic acid donor in the presence of an enzyme having trans-sialidase activity in an enzyme reaction mixture; and d) isolating from said enzyme reaction mixture a fraction comprising at least 20 percent by weight of disialylated galactooligosaccharides (di-Sia-GOS) based on the dry matter.

Abstract: The invention relates to a method for providing analogs of human milk oligosaccharides (HMO), in particular oligosaccharides containing terminal sialic acid. The method comprises the steps of: a) providing a source of non-digestible galactooligosaccharides (GOS) containing at least two terminally bonded ?-linked galactose residues; b) providing a sialic acid donor having (?2-3)-sialylated O-glycans; c) contacting said GOS with said sialic acid donor in the presence of an enzyme having trans-sialidase activity in an enzyme reaction mixture; and d) isolating from said enzyme reaction mixture a fraction comprising at least 20 percent by weight of disialylated galactooligosaccharides (di-Sia-GOS) based on the dry matter.

Abstract: The invention relates to a method for providing analogs of human milk oligosaccharides (HMO), in particular oligosaccharides containing terminal sialic acid. The method comprises the steps of: a) providing a source of non-digestible galactooligosaccharides (GOS) containing at least two terminally bonded ?-linked galactose residues; b) providing a sialic acid donor having (?2-3)-sialylated O-glycans; c) contacting said GOS with said sialic acid donor in the presence of an enzyme having trans-sialidase activity in an enzyme reaction mixture; and d) isolating from said enzyme reaction mixture a fraction comprising at least 20 percent by weight of disialylated galactooligosaccharides (di-Sia-GOS) based on the dry matter.