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    • 34. 发明授权
    • Lipid acyltransferases
    • 脂质酰基转移酶
    • US08030044B2
    • 2011-10-04
    • US12040721
    • 2008-02-29
    • Jørn Borch SøeJørn Dalgaard MikkelsonArno de Kreij
    • Jørn Borch SøeJørn Dalgaard MikkelsonArno de Kreij
    • C12N9/10C07H21/04
    • C12N9/1029A21D8/042A23L15/25A23L33/10A23L33/195C11B3/003C12P7/62C12P7/6436C12P7/6454C12P7/6481
    • The present invention relates to a method of producing a variant lipid acyltransferase enzyme by selecting a parent enzyme which is a lipid acyltransferase enzyme having the amino acid sequence motif GDSX, modifying one or more amino acids to produce a variant lipid acyltransferase, testing the variant lipid acyltransferase for activity on a galactolipid substrate, a phospholipid substrate and/or a triglyceride substrate, selecting a variant enzyme with an enhanced activity towards galactolipids compared with the parent enzyme, and/or preparing a quantity of the variant enzyme. In some embodiments, the variant lipid acyltransferase enzyme may include the amino acid sequence motif GDSX, wherein X is one or more of the following amino acid residues L, A, V, I, F, Y, X, Q, T N, M or S, and wherein the variant enzyme has one or more amino acid modifications compared with a parent sequence.
    • 本发明涉及通过选择具有氨基酸序列基序GDSX的脂质酰基转移酶的母体酶,修饰一个或多个氨基酸以产生变体脂质酰基转移酶来生产变体脂质酰基转移酶的方法,测试变体脂质 用于在半乳糖脂底物,磷脂底物和/或甘油三酯底物上的活性的酰基转移酶,与母体酶相比,选择具有增强的对乳糖脂的活性的变体酶和/或制备一定量的变体酶。 在一些实施方案中,变体脂质酰基转移酶可以包括氨基酸序列基序GDSX,其中X是以下氨基酸残基L,A,V,I,F,Y,X,Q,TN,M中的一个或多个或 S,并且其中所述变体酶与亲本序列相比具有一个或多个氨基酸修饰。
    • 35. 发明申请
    • PROCESS
    • 处理
    • US20100215803A1
    • 2010-08-26
    • US12706210
    • 2010-02-16
    • Niels Erik LarsenJørn Borch Søe
    • Niels Erik LarsenJørn Borch Søe
    • A23C9/12A23C9/123A23C3/02
    • A21D8/042A23C19/0328A23C19/0684A23L15/25A23L29/06C12N9/1029C12N9/18C12N11/00C12Y301/01
    • The use of a lipid acyltransferase in the manufacture of UHT milk for improving the stability, particularly the long term stability, and/or improving the perceptible sensory difference and/or improving smell and/or taste and/or for reducing the cholesterol content and/or for eliminating or reducing creaming of the UHT milk for reducing the cholesterol content in the UHT milk. A method of producing UHT milk, wherein method comprises admixing a lipid acyltransferase and milk (including a step of processing the milk to make it a UHT milk). Preferably said lipid acyltranferase 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 hybridises 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 acyltranferase 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.
    • 脂质酰基转移酶在制造UHT乳中用于改善稳定性,特别是长期稳定性和/或改善可察觉的感觉差异和/或改善气味和/或味道和/或降低胆固醇含量和/ 或用于消除或减少UHT牛奶的奶油以降低UHT牛奶中的胆固醇含量。 一种生产UHT奶的方法,其中方法包括混合脂质酰基转移酶和乳(包括加工牛奶以使其成为UHT牛奶的步骤)。 优选地,所述脂质酰基转移酶是具有脂质酰基转移酶活性的多肽,其多肽通过表达如SEQ ID No.49所示的核苷酸序列或与其同一性具有70%或更多同一性的核苷酸序列获得; 和/或通过在中等严格条件下与包含SEQ ID No.49所示的核苷酸序列的核酸探针杂交的核酸的表达获得; 和/或是具有脂质酰基转移酶活性的多肽,该多肽包含SEQ ID No.68所示的氨基酸序列或与其同一性具有70%以上的氨基酸序列。
    • 37. 发明申请
    • METHOD
    • 方法
    • US20120231116A1
    • 2012-09-13
    • US13510499
    • 2010-11-08
    • Niels Erik LarsenJørn Borch Søe
    • Niels Erik LarsenJørn Borch Søe
    • A23C9/18
    • A23C9/1216C07K14/71C12Y203/01043
    • 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.
    • 一种生产粉末乳的方法,所述方法包括:(a)使乳或其一部分与脂质酰基转移酶接触; 和(b)干燥酶处理的牛奶以产生粉末奶; 被披露。 通过脂质酰基转移酶的制造方法生产的粉末乳制品,用于制造粉末乳,用于改善补液性能,可感知的感觉差异(气味和/或味道)和粉末奶的流动性以及降低胆固醇含量 和/或粉末奶的游离脂肪酸含量,以及用于减少用于制造粉末乳的设备的结垢。
    • 39. 发明授权
    • Fungal lypolytic and amylase enzyme composition and methods using the same
    • 真菌溶血酶和淀粉酶组成及使用方法
    • US08012732B2
    • 2011-09-06
    • US12552572
    • 2009-09-02
    • Janne BrunstedtJørn Dalgaard MikkelsenHenrik PedersenJørn Borch Søe
    • Janne BrunstedtJørn Dalgaard MikkelsenHenrik PedersenJørn Borch Søe
    • C12P1/00C12N9/00C12N9/20C12N1/20C12N15/00C07H21/04
    • A21D8/042A23C19/0328A23D7/02A23K20/189A23K50/75A23L7/107A23L7/109A23L7/111A23L27/60A23L29/06C11B3/003C12N9/18C12P7/62C12P19/44C12Y301/01
    • A fungal wild-type lipolytic enzyme having a higher ratio of activity on polar lipids compared with triglycerides, wherein the enzyme preferably has a phospholipid:triglyceride activity ratio of at least 4. Preferably, the lipolytic enzyme according to the present invention has a glycolipid:triglyceride hydrolyzing activity ratio of at least 1.5. In one embodiment, the fungal lipolytic enzyme according to the present invention comprises an amino acid sequence as shown in SEQ ID NO: 1 or SEQ ID No. 2 or SEQ ID No. 4 or SEQ ID No. 6 or an amino acid sequence which has at least 90% identity thereto. The present invention further encompasses a nucleic acid encoding a fungal lipolytic enzyme, which nucleic acid is selected from the group consisting of: (a) a nucleic acid comprising a nucleotide shown in SEQ ID No. 3, SEQ ID No. 5 or SEQ ID No. 7; (b) a nucleic acid which is related to the nucleotide sequence of SEQ ID No. 3, SEQ ID No. 5 or SEQ ID No. 7 by the degeneration of the genetic code; and (c) nucleic acid comprising a nucleotide sequence which has at least 90% identity with the nucleotide sequence shown in SEQ ID No. 3, SEQ ID No. 5 or SEQ ID No. 7.
    • 与甘油三酯相比,极性脂质活性比例更高的真菌野生型脂肪分解酶,其中所述酶优选具有至少为4的磷脂:甘油三酯活性比。优选地,根据本发明的脂肪分解酶具有糖脂: 甘油三酯水解活性比至少为1.5。 在一个实施方案中,根据本发明的真菌脂肪分解酶包含如SEQ ID NO:1或SEQ ID No.2或SEQ ID No.4或SEQ ID No.6所示的氨基酸序列或氨基酸序列, 与其具有至少90%的同一性。 本发明还包括编码真菌脂肪分解酶的核酸,该核酸选自:(a)包含SEQ ID No.3,SEQ ID No.5或SEQ ID No.5所示核苷酸的核酸 第7号 (b)通过遗传密码的退化与SEQ ID No.3,SEQ ID No.5或SEQ ID No.7的核苷酸序列有关的核酸; 和(c)核酸,其包含与SEQ ID No.3,SEQ ID No.5或SEQ ID No.7所示的核苷酸序列具有至少90%同一性的核苷酸序列。
    • 40. 发明授权
    • Process of water degumming an edible oil
    • 水脱胶食用油的工艺
    • US09228211B2
    • 2016-01-05
    • US12809901
    • 2008-12-11
    • Jørn Borch SøeAnne Victoria Brown
    • Jørn Borch SøeAnne Victoria Brown
    • C12P7/64C12N9/10C12N9/20A23D7/00C07H21/04C11B3/00
    • C12P7/6445C11B3/003C12Y203/01043C12Y301/04003
    • 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. In one embodiment the lipid acyltransferase is preferably used in combination with a phospholipase C enzyme. A process for modifying the gum phase of a degummed oil using a lipid acyltransferase is also taught herein.
    • 一种将食用油(优选粗制食用油)脱水的方法,包括以下步骤:a)将约0.1-5%w / w的水与食用油(优选粗制食用油)和脂质酰基转移酶混合,b) 在约45至约900℃搅拌混合物约10分钟至180分钟,和c)分离油相和胶相。 优选地,所述脂质酰基转移酶是具有脂质酰基转移酶活性的多肽,其多肽通过表达SEQ ID No.49所示的核苷酸序列或与其同一性具有70%以上的核苷酸序列而获得; 和/或通过在中等严格条件下与包含如SEQ ID No.49所示的核苷酸序列的核酸探针杂交的核酸的表达获得; 和/或具有脂质酰基转移酶活性的多肽,该多肽包含SEQ ID No.68所示的氨基酸序列或与其同一性具有70%以上的氨基酸序列。 在一个实施方案中,脂质酰基转移酶优选与磷脂酶C酶组合使用。 本文还教导了使用脂质酰基转移酶改性脱胶油的胶相的方法。