Patent classifications
C12N9/44
Brewing Method
A method of mashing comprising providing a grist comprising malt and adjunct; and contacting the grist with a pullulanase; an alpha amylase; and a maltogenic alpha amylase and/or a beta amylase to make a wort. An enzyme composition comprising a pullulanase; an alpha amylase; and a maltogenic alpha amylase and/or a beta amylase and the use of these enzymes in brewing is disclosed.
STABILIZED LIQUID ENZYME COMPOSITIONS FOR BREWING
The invention provides liquid enzyme compositions which are physically and microbially stable. The compositions are used, for example, in beer brewing processes.
Transgenic maize plant exhibiting increased yield and drought tolerance
The present invention is directed to a transgenic maize plant or a part thereof comprising as transgene a nucleic acid capable of expressing a cell wall invertase or a functional part thereof, preferably a Chenopodium rubrum cell wall invertase or a functional part thereof, wherein as a result of the expression of the cell wall invertase or a functional part thereof the transgenic maize plant exhibits an enhanced tolerance to abiotic stress and/or an increased yield, to a method of producing such transgenic maize plant, to method of enhancing the tolerance to abiotic stress of a maize plant and/or of increasing yield potential of a maize plant, to a nucleic acid capable of expressing a cell wall invertase or a functional part thereof, preferably a Chenopodium rubrum cell wall invertase or a functional part thereof, to a vector comprising such nucleic acid, the use of the nucleic acid or vector for enhancing the tolerance to abiotic stress of a maize plant, for increasing yield potential of a maize plant and/or for protecting a maize plant against abiotic stress, and to a method for production of ethanol or methane from transgenic maize plant or a part thereof of the invention.
Enzyme exhibiting alpha-1,6-glucosyl transfer activity
The present invention relates to an enzyme having α-1,6-glucosyl transfer activity, which can use a partially degraded starch product as a substrate and is heat resistant and suitable for industrial applications; an enzyme preparation for use in manufacturing α-1,6-glucan, comprising the enzyme as an active ingredient; and a method for manufacturing α-1,6-glucan using the enzyme or enzyme preparation. The present invention provides an enzyme having α-1,6-glucosyl transfer activity, which is any one of proteins (a), (b), and (c): (a) a protein consisting of an amino acid sequence of SEQ ID NO: 3; (b) a protein consisting of an amino acid sequence having at least 90% amino acid sequence identity to the amino acid sequence of SEQ ID NO: 3; and (c) a protein consisting of an amino acid sequence in which one or several amino acid(s) have been substituted, inserted, deleted and/or added in the amino acid sequence of SEQ ID NO: 3.
Maltodextrin and process of making same
This specification discloses process for obtaining maltodextrin having DE between 17 and 19.9 and the maltodextrins obtained from the process. The disclosed maltodextrins can be provided as a powder or in shelf stable liquid form. The disclose maltodextrins have a polysaccharide profile similar to those observed for prior art maltodextrins, but make maltodextrin solutions having a high solids content, but reduced viscosity compared to prior art maltodextrins, on equivalent solids-in-solution basis. The process combines adds an alpha-amylase and a pullulanase enzyme to a polysaccharide mixture during a saccharification step. The disclosed maltodextrins make solutions at 50° C. and greater than 65% on a solids dry solids basis having a viscosity between 5,000 and 12,000 cP and having a water activity of less than 0.80.
Process of extracting oil from thin stillage
A process of recovering oil, comprising (a) converting a starch-containing material into dextrins with an alpha-amylase; (b) saccharifying the dextrins using a carbohydrate source generating enzyme to form a sugar; (c) fermenting the sugar in a fermentation medium into a fermentation product using a fermenting organism; (d) recovering the fermentation product to form a whole stillage; (e) separating the whole stillage into thin stillage and wet cake; (e′) optionally concentrating the thin stillage into syrup; (f) recovering oil from the thin stillage and/or optionally the syrup, wherein a protease and a phospholipase are present and/or added during steps (a) to (c). Use of a protease and a phospholipase for increasing oil recovery yields from thin stillage and/or syrup in a fermentation product production process.
Compositions for producing glucose syrups
The present invention relates to a method of making glucose syrup from liquefied starch comprising, (a) contacting the liquefied starch with a glucoamylase, a pullulanase, and optionally an alpha-amylase wherein the ratio of pullulanase dose expressed as NPUN/gDS, to alpha-amylase dose expressed as FAU(A)/gDS is at least 60, particularly at least 75, particularly at least 100, more particularly at least 150, more particularly at least 200, more particularly at least 250, more particularly at least 300, more particularly at least 400, more particularly at least 500, more particularly at least 600, more particularly at least 800 or if no alpha-amylase is present the pullulanse is present in a dose of at least 0.5, particularly at least 0.75, particularly at least 1.0, particularly at least 1.5 NPUN/gDS, and (b) saccharifying the liquefied starch.
Enzymatic synthesis of soluble glucan fiber
An enzymatically produced soluble α-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble α-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 α-glucan fiber are also provided.
GLUCOAMYLASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME
The present invention relates to glucoamylase variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
Polypeptides having pullulanase activity suitable for use in liquefaction
The present invention relates to a variant pullulanase, wherein the pullulanase comprises at least the following combination of substitutions: N368G+N393A+Q431E+L432F+A492A,S+N610R+G624S+T631S+S632C, and optionally further comprises N222P+Q252A+Q256R; wherein the variant has pullulanase activity, and wherein the variants have at least 85%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, or at least 99%, but less than 100% sequence identity to the polypeptide of SEQ ID NO: 3. Further aspect the present invention relates to a process for liquefying starch-containing material at a temperature above the initial gelatinization temperature using an alpha-amylase and a thermo-stable pullulanase of the invention.