Abstract: The present invention provides methods and uses for treating pyropheophytin-containing compositions, particularly in order to remove pyropheophytin therefrom. The compositions are typically plant, algal, or bacterial derived products such as vegetable oils. The method comprises a step of contacting the compositions with an enzyme having pyropheophytinase activity. Also provided are related apparatus and products for performing such methods and uses.

Abstract: A process of water degumming an edible oil (preferably a crude edible oil) comprising the steps of: a) admixing approximately 0.1-5% w/w water with an edible oil (preferably a crude edible oil) and a lipid acyltransferase, b) agitating the admixture for between about 10 minutes and 180 minutes at about 45 to about 900 C, and c) separating the oil phase and the gum phase. Preferably said lipid acyltransferase is a polypeptide having lipid acyltransferase activity which polypeptide is obtained by expression of the nucleotide sequence shown as SEQ ID No. 49 or a nucleotide sequence which as has 70% or more identity therewith; and/or is obtained by expression of a nucleic acid which hybridizes under medium stringency conditions to a nucleic probe comprising the nucleotide sequence shown as SEQ ID No. 49; and/or is a polypeptide having lipid acyltransferase activity which polypeptide comprises the amino acid sequence shown as SEQ ID No. 68 or an amino acid sequence which as has 70% or more identity therewith.

Abstract: The present invention provides a method for preparing a variant lipid acyltransferase enzyme by expressing a nucleotide sequence encoding a lipid acyltransferase which may comprise at least one modification at a position(s) which corresponds in the encoded amino acid sequence to an amino acid(s) located in a) the canyon region of the enzyme (i.e. preferably amino acid residues 31, 27, 85, 86, 119, and 120); and/or b) insertion site 1 (i.e. amino acid residues 22-36) and/or c) insertion site 2 (i.e. amino acid residues 74-88), wherein the canyon region, insertion site 1 and/or insertion site 2 are defined as that region which when aligned based on primary or tertiary structure corresponds to the canyon region, insertion site 1 or insertion site 2 (or the corresponding amino acid residues taught above) of the enzyme shown herein as SEQ ID No. 16 or 6 in a host organism.

Abstract: There is provided a process for the prevention and/or reduction of acrylamide formation and/or acrylamide precursor formation in a foodstuff containing (i) a protein, a peptide or an amino acid and (ii) a reducing sugar, the process comprising contacting the foodstuff with an enzyme capable of oxidizing a reducing group of the sugar.

Abstract: The invention encompasses the use of a lipolytic enzyme obtainable from one of the following genera: Streptomyces, Corynebacterium and Thermobifida in various methods and uses, wherein the lipolytic enzyme hydrolyzes a glycolipid or a phospholipid or transfers an acyl group from a glycolipid or phospholipids to an acyl acceptor. The present invention also relates to a lipolytic enzyme that hydrolyzes at least a galactolipid or transfers an acyl group from a galactolipid to one or more acyl acceptor substrates, wherein the enzyme is obtainable from Corynebacterium species.

Abstract: The invention relates to using a lipid acyltransferase polypeptide (SEQ ID NO: 68) in the manufacture of ultra-heat treatment milk (UHT) for improving the stability, the perceptible sensory difference, the smell, and the taste; and for reducing the cholesterol content, and for eliminating or reducing creaming of the UHT milk. The invention also relates to a method of producing UHT milk, wherein the method comprises admixing a lipid acyltransferase with milk and heating the mixture to make it a UHT milk.

Abstract: The invention encompasses the use of a lipolytic enzyme obtainable from one of the following genera: Streptomyces, Corynebacterium and Thermobifida in various methods and uses, wherein the lipolytic enzyme hydrolyzes a glycolipid or a phospholipid or transfers an acyl group from a glycolipid or phospholipids to an acyl acceptor. The present invention also relates to a lipolytic enzyme that hydrolyzes at least a galactolipid or transfers an acyl group from a galactolipid to one or more acyl acceptor substrates, wherein the enzyme is obtainable from Corynebacterium species.

Abstract: A method of improving the rheological properties of a flour dough and the quality of the finished product made from such a dough, comprising adding an effective amount of an oxido-reductase capable of oxidizing maltose, in particular a hexose oxidase, e.g. isolated from an algal species such as Iridophycus flaccidum, Chondrus crispus or Euthora cristata and a dough improving composition comprising the oxidoreductase.

Abstract: The present application provides a method of reducing and/or removing diglyceride from an edible oil, comprising admixing an edible oil with an acyl acceptor substrate and a diglyceride:glycerol acyltransferase, wherein the diglyceride:glycerol acyltransferase is characterized as an enzyme which in an edible oil is capable of transferring an acyl group from a diglyceride to glycerol. The diglyceride:glycerol acyltransferase can comprise the amino acid sequence motif GDSX. The present invention also relates to the use of a diglyceride:glycerol acyltransferase in the manufacture of an edible oil, for reducing and/or removing diglyceride from said edible oil and to the use of said enzyme in the manufacture of a foodstuff comprising an edible oil for improving the crystallization properties of said foodstuff.

Abstract: In one aspect, provided herein is a process for refining a plant oil, comprising a step of contacting the oil with an enzyme which is capable of hydrolysing chlorophyll or a chlorophyll derivative, wherein the enzyme is contacted with the oil in the presence of at least 0.1% by weight phospholipid.

Abstract: The present invention relates to a method for reducing cholesterol absorption in an animal comprising administering to the animal a composition comprising an effective amount of at least one cholesterol ester.

Abstract: The present invention provides a method for preparing a variant lipid acyltransferase enzyme by expressing a nucleotide sequence encoding a lipid acyltransferase which may comprise at least one modification at a position(s) which corresponds in the encoded amino acid sequence to an amino acid(s) located in a) the canyon region of the enzyme (i.e. preferably amino acid residues 31, 27, 85, 86, 119, and 120); and/or b) insertion site 1 (i.e. amino acid residues 22-36) and/or c) insertion site 2 (i.e. amino acid residues 74-88), wherein the canyon region, insertion site 1 and/or insertion site 2 are defined as that region which when aligned based on primary or tertiary structure corresponds to the canyon region, insertion site 1 or insertion site 2 (or the corresponding amino acid residues taught above) of the enzyme shown herein as SEQ ID No. 16 or 6 in a host organism.

Abstract: A method of producing one or more of a carbohydrate ester, a protein ester, a protein subunit ester or a hydroxyl acid ester, which method comprises admixing an acyl donor, an acyl acceptor and water to produce a high water environment comprising 5-98% water, wherein said acyl donor is a lipid substrate selected from one or more of the group consisting of a phospholipid, a lysophospholipid, a triacylglyceride, a diglyceride, a glycolipid or a lysoglycolipid and said acyl acceptor is selected from one ore more of the group consisting of a carbohydrate, a protein, a protein subunit, or a hydroxyl acid; and contacting the admixture with a lipid acyltransferase, such that said lipid acyl transferase catalyses one or both of the following reactions: alcoholysis or transesterification.

Abstract: There is provided a process for the prevention and/or reduction of acrylamide formation and/or acrylamide precursor formation in a foodstuff containing (i) a protein, a peptide or an amino acid and (ii) a reducing sugar, the process comprising contacting the foodstuff with an enzyme capable of oxidising a reducing group of the sugar.

Abstract: A method of producing powder milk, said method comprising: (a) contacting milk or a fraction thereof with a lipid acyltransferase enzyme; and (b) drying the enzyme treated milk to produce powder milk; is disclosed. Powder milk products produced by the method and use of a lipid acyltransferase in the manufacture of powder milk for improving the rehydration properties, the perceptible sensory difference (smell and/or taste) and the flowability of the powder milk, and for reducing the cholesterol content and/or the free fatty acid content of the powder milk, and for reducing fouling of the equipment used in the manufacture of the powder milk, are also disclosed.

Abstract: A method of improving the rheological properties of a flour dough and the quality of the finished product made from such a dough, comprising adding an effective amount of an oxido-reductase capable of oxidizing maltose, in particular a hexose oxidase, e.g. isolated from an algal species such as Iridophycus flaccidum, Chondrus crispus or Euthora cristata and a dough improving composition comprising the oxidoreductase.

Abstract: The present invention provides methods and uses for treating pyropheophytin-containing compositions, particularly in order to remove pyropheophytin therefrom. The compositions are typically plant, algal, or bacterial derived products such as vegetable oils. The method comprises a step of contacting the compositions with an enzyme having pyropheophytinase activity. Also provided are related apparatus and products for performing such methods and uses.

Abstract: The present invention relates to a method of producing a phytosterol ester and/or a phytostanol ester comprising: a) admixing a phospholipid composition comprising at least between about 10% to about 70% plant phospholipid and at least about 5% water; a lipid acyltransferase; and a phytosterol and/or a phytostanol; and b) separating or isolating or purifying at least one phytosterol ester and/or phytostanol ester from said admixture. The present invention also relates to compositions comprising the phytosterol ester and/or phytostanol ester produced by this method, including foodstuffs and personal care product (cosmetic) compositions.

Abstract: There is provided a process for the prevention and/or reduction of Maillard reaction in a foodstuff containing (i) a protein, a peptide or an amino acid and (ii) a reducing sugar, the process comprising contacting the foodstuff with an enzyme capable of oxidising a reducing group of the sugar.

Abstract: There is provided use of a conversion agent to prepare from a food material a foodstuff comprising at least one functional ingredient, wherein the at least one functional ingredient has been generated from at least one constituent of the food material by the conversion agent.