WO1994026881A1 - LIQUEFYING ALKALINE α-AMYLASE, PROCESS FOR PRODUCING THE SAME, AND DETERGENT COMPOSITION CONTAINING THE SAME - Google Patents
LIQUEFYING ALKALINE α-AMYLASE, PROCESS FOR PRODUCING THE SAME, AND DETERGENT COMPOSITION CONTAINING THE SAME Download PDFInfo
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- WO1994026881A1 WO1994026881A1 PCT/JP1994/000805 JP9400805W WO9426881A1 WO 1994026881 A1 WO1994026881 A1 WO 1994026881A1 JP 9400805 W JP9400805 W JP 9400805W WO 9426881 A1 WO9426881 A1 WO 9426881A1
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- amylase
- liquefied
- alkaline
- starch
- enzyme
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2408—Glucanases acting on alpha -1,4-glucosidic bonds
- C12N9/2411—Amylases
- C12N9/2414—Alpha-amylase (3.2.1.1.)
- C12N9/2417—Alpha-amylase (3.2.1.1.) from microbiological source
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
Definitions
- the present invention relates to a liquefied ⁇ -amylase useful as a component of a detergent, a method for producing the same, and a detergent composition containing the same.
- ⁇ -Amylase is an enzyme that cleaves only ⁇ - 14 glucoside bonds in the molecules of starch-based polysaccharides such as starch, amylose, and amylopectin.
- Bacillus subtilis Marburda Bacillus subtilis Marbur
- Bacillus subtilis nut tow Bacillussubtilisnatto
- Streptomyces griseus (S), a bacterium centered on the genus Bacillus such as (B aci 1 lus ma cerans); trept omy ces
- ⁇ -amylases hitherto found in nature are classified as so-called neutral or acidic ⁇ -amylases, which exhibit the most stable enzyme activity in the neutral to acidic region.
- neutral or acidic ⁇ -amylases which exhibit the most stable enzyme activity in the neutral to acidic region.
- the activity is reduced in the surfactant-containing liquid in which ⁇ is on the side of the force.
- ⁇ -amylase which exhibits the maximum activity in the alkaline region, or which has resistance to alkaline so-called ⁇ -amylase and ⁇ -amylase resistant to alkaline, does not have such disadvantages. It is useful as a component of a detergent.
- ⁇ -amylase refers to an enzyme having an optimum ⁇ in an alkaline region
- alkali-resistant ⁇ -amylase refers to an optimum ⁇ in a neutral to acidic region. In the region, it has sufficient activity compared to the activity at the optimal ⁇ and maintains stability.
- Neutral refers to the range of ⁇ 6 to 8
- alkalinity refers to the range of ⁇ above that.
- the conventional method for obtaining ⁇ -amylase requires several steps of purification steps, and there is a problem as an industrial-level enzyme purification method.
- the present invention has a resistance to a surfactant, has an optimum ⁇ ⁇ ⁇ ⁇ ⁇ in an alkaline region, and decomposes a liquefied type, that is, starch or a starch-based polysaccharide at high randomness, and has a high isoelectric property. It is intended to provide an ⁇ -amylase having a point and a detergent composition containing the same. Disclosure of the invention
- the present inventors have sought in the nature a microorganism that produces a liquefied alkaline ⁇ -amylase satisfying the above conditions, and have been conducting diligent searches to determine the ⁇ -amylase activity and pullulanase activity.
- a culture of a microorganism belonging to the genus Bacillus which was previously reported as a microorganism that produces an enzyme having a molecular weight of 200,000 and a soil of 5,000 (Japanese Patent Application Laid-Open No. H3-108482).
- the present invention provides a liquefied Al- ⁇ -amylase having the following enzymatic properties:
- the present invention relates to a method for producing the same, and a detergent composition containing the same.
- the isoelectric point by isoelectric focusing exceeds 8.5.
- FIG. 1 is a graph showing the action ⁇ of the liquefied alkaline ⁇ -amylase of the present invention.
- FIG. 2 is a diagram showing the ⁇ stability of the liquefied alkaline ⁇ -amylase of the present invention.
- FIG. 3 is a diagram showing the working temperature range of the liquefied alkaline ⁇ -amylase of the present invention.
- FIG. 4 is a diagram showing the temperature stability of the liquefied alkaline ⁇ -amylase of the present invention.
- FIG. 9 is a view showing a result of (CBB staining).
- the liquefied Ari-amylase of the present invention preferably has an optimum pH in the range of 8.0 to 10.0 from the viewpoint of a detergent component.
- the microorganism that produces the liquefied Al- ⁇ -amylase of the present invention has the property of degrading starch or starch-based polysaccharides at a high random rate and has an optimal PH in the Al-Hali region, It is not particularly limited as long as it has an ability to produce ⁇ -amylase having a high score.
- the medium In order to obtain the liquefied Alcary ⁇ -amylase of the present invention using the above-mentioned strain, May be inoculated with the strain and cultured according to a conventional method. It is preferable that the medium contain an adequate amount of assimilable carbon and nitrogen sources. There are no particular restrictions on the carbon and nitrogen sources. Examples of nitrogen sources include corn gluten meal, soy flour, corn steep liquor, casaminolic acid, yeast extract, pharmacy, meat extract, tripton, and soy.
- Inorganic nitrogen sources examples include soluble starch, insoluble starch, mycobacterial pectin, glycogen, pullulan, and oligosaccharides generated by partial decomposition thereof, as well as carbon sources that can be assimilated, such as glucose, maltose, and arabinose.
- Xylose ribose, mannose, fructose, galactose, maltose, sucrose, lactose, trehalose, mannite, sorbite, glycerin, and organic acids capable of assimilating, such as acetic acid.
- Inorganic salts such as magnesium salts, magnesium salts, calcium salts, manganese salts, zinc salts, cobalt salts, sodium salts, and potassium salts, and, if necessary, inorganic and organic trace nutrients are appropriately added to the medium. It can also be added.
- the collection and purification of the liquefied lipase ⁇ -amylase, which is the target substance, from the culture thus obtained can be carried out in accordance with general means for collection and purification of enzymes. That is, the crude enzyme can be obtained by removing the cells from the culture solution by ordinary solid-liquid separation means such as centrifugation or filtration. This crude enzyme solution can be used as it is, but if necessary, the crude enzyme is obtained by a separation means such as a salting out method, a precipitation method, an ultrafiltration method, a gel filtration method, and the isoelectric point is further increased. Utilizing the high properties, it can be purified and crystallized by gel isoelectric focusing, density gradient isoelectric focusing, ion exchange chromatography, etc., and used as a purified enzyme.
- a separation means such as a salting out method, a precipitation method, an ultrafiltration method, a gel filtration method, and the isoelectric point is further increased. Utilizing the high properties, it can be pur
- the ⁇ -amylase of the present invention thus obtained not only has an optimal ⁇ on the alkaline side, but also has a high random degradability, that is, is a liquefied type, and has a high isoelectric point. It has a unique property different from that of ⁇ -amylase.
- the enzymatic chemistry of the liquefied alkaline amylase of the present invention obtained by using Bacillus sp. KSM-AP1378 (FERMBP-3048) as a strain is described below. Properties will be described.
- the enzyme activity was measured according to the following method using the following buffers (4 OmM each).
- Enzyme activity measurement method Measurement of amylase activity by DNS method
- Enzyme solution was added to buffer solution in which soluble starch (manufactured by Wako Pure Chemical Industries, Ltd., final concentration of 0.5% in the reaction system) was dissolved in various buffer solutions. The reaction was performed for a minute. After the reaction, reducing sugars were quantified by the 3,5-dinitrosalicylic acid (DNS) method. That is, to the reaction solution 1, add the DNS reagent 1. Heat the color at 100 ° C for 5 minutes. After cooling, dilute with the deionized water of step 4. The color was determined.
- the enzyme titer was defined as 1 unit (1 U) of the amount of the enzyme producing a reducing sugar corresponding to 1 mol of glucose per minute.
- Table 1 shows the effects on various substrates.
- the molecular weight measured by sodium dodecyl sulfate polyacrylamide gel electrophoresis is 50,000 ⁇ 5,000 (FIG. 5).
- the isoelectric point measured by isoelectric focusing is around 9.2.
- surfactants eg, sodium linear alkyl benzene sulfonate (LAS), sodium alkyl sulfate ester (AS), polyoxyethylene alkyl sulfate sodium salt (ES), sodium alkyl sulfonate (SAS), isocyanate and polyoxyethylene alkyl ether
- LAS sodium linear alkyl benzene sulfonate
- AS sodium alkyl sulfate ester
- ES polyoxyethylene alkyl sulfate sodium salt
- SAS sodium alkyl sulfonate
- isocyanate and polyoxyethylene alkyl ether were treated with a 0.05% solution at 40 ° C. for 30 minutes with little activity inhibition.
- the decomposition rate of potato-derived starch is about 32%, and amylose (degree of polymerization: 117 dalcoses) can be used to convert glucose (G 1), maltose (G 2), and malt triose (G 3 ), Maltotetraose (G4), maltopenose (G5) and maltohexaose (G6).
- the amount of the liquefied alkaline ⁇ -amylase to be added to the detergent composition of the present invention is 1 to 100,000 O UZg, particularly 5 to 5,0,0, in terms of the activity of decomposing potato-derived soluble starch. It is preferably 0 UZg, more preferably 10-1 and OOOU / g.
- known detergent components can be blended in the detergent composition of the present invention.
- known detergent components include the following.
- Linear alkylbenzene sulfonic acid salt having an alkyl group having an average carbon number of 10 to 16; having a linear or branched alkyl group having an average carbon number of 10 to 20; an average of 0.5 per molecule Alkyl oxysulfate to which 8 to 8 moles of ethylene oxide is added, alkyl sulfate having an alkyl group having an average of 10 to 20 carbon atoms, and an average of 10 to 20 carbon atoms per molecule
- An sulfonic acid salt having an average of 10 to 20 carbon atoms in a molecule, an ⁇ -sulfo fatty acid methyl or ethyl ester salt having an average of 10 to 20 carbon atoms in a molecule, Higher fatty acid salt having an average carbon number of 8 to 20, having a linear or branched alkyl group having an average carbon number of 10 to 20, and having an average of 0.5 to 8 mol of ethylene oxide in one molecule.
- Anionic surfactants such as added alkyl tercarboxylates; Polyoxyethylene alkyl ethers having an alkyl group of 10 to 20 carbon atoms and having 1 to 20 mol of ethylene oxide added thereto, higher fatty acid alkanolamides or alkylene oxide adducts thereof, and propylene oxide Nonionic surfactants, such as those known under the name Pluronic, in which ethylene oxide has been added to the condensate of xide and propylene dalicol; other betaine-type amphoteric surfactants; sulfonic acid type Bisexual Surfactants, phosphate ester surfactants, amino acid surfactants, cationic surfactants, etc.
- surfactants are incorporated in the detergent composition in an amount of 0.5 to 60% by weight (hereinafter simply referred to as%), and particularly in the case of a powdery detergent composition, in the case of a liquid detergent composition of 10 to 45. Is preferably 20 to 50%.
- the detergent composition of the present invention is a bleach detergent or a detergent for automatic dishwashers
- the surfactant is generally blended in an amount of 1 to 10%, preferably 1 to 5%.
- Condensed phosphates such as tripolyphosphate, pyrophosphate and orthophosphate, aluminates such as zeolite, synthetic layered crystalline gaterate, and tri-triacetate , Ethylenediaminetetraacetate, citrate, isocitrate, polyacetal carbonate, etc.
- the divalent metal ion scavenger is incorporated in an amount of 0 to 50, preferably 5 to 40%. It is more preferable to use a phosphorus-free divalent metal ion scavenger.
- Gayate carbonate, sesquicarbonate, sulfate, alkanolamine, etc.
- Some of the recontamination inhibitors can also be used as divalent metal ion scavengers.
- the anti-redeposition agent is incorporated in an amount of 0 to 10%, preferably 1 to 5%.
- chlorine scavengers As effective chlorine scavengers, ammonium sulfate, urea, guanidine hydrochloride, guanidine carbonate, guanidine sulfamate, thiourea dioxide, monoethanolamine, Dietanolamine, triethanolamine, amino acids represented by glycine, sodium glutamate, etc. and proteins such as bovine serum albumin and casein, and furthermore, protein hydrolysis, meat extract, Fish extract and the like.
- the reducing agent examples include alkali metal salts such as thiosulfate, sulfite and nitrite, alkaline earth metal salts and the like, Rongalite C and the like. Sulfite is particularly preferred, and stabilizes enzymes in the washing liquor.
- Percarbonate perborate, zinc or aluminum sulfonated phthalocyanine, hydrogen peroxide, etc.
- sodium percarbonate is particularly effective, and the blending amount should be 1 to 95% by weight, more preferably 5 to 95% by weight, especially 20 to 95% by weight. Is preferred.
- a fluorescent dye commonly used in cleaning agents is A fluorescent dye commonly used in cleaning agents.
- solubilizing agents can be used.
- Lower alcohols such as ethanol; lower alkylbenzene sulfonates such as benzenesulfonate and ⁇ -toluenesulfonate; and polyols such as propylene glycol.
- a conventionally known detergent such as a fragrance, an anti-caking agent, an enzyme activator, an antioxidant, an antiseptic, a pigment, a bluing agent, a bleach activator, an enzyme stabilizer, and a phase regulator.
- Conventional components can be blended as needed.
- the detergent composition of the present invention can be produced according to a conventional method by combining the above-mentioned liquefied ALP- ⁇ -amylase and the above-mentioned known washing components.
- the form of the cleaning agent can be selected according to the application, and can be, for example, a liquid, a powder, a granule, and the like.
- the cleaning composition of the present invention includes a detergent for clothes, a bleaching detergent, and automatic tableware. It can be used as a detergent for washing machines, a water pipe cleaner, a denture detergent, etc., but it can be used particularly preferably as a detergent for clothes, a bleaching detergent or a detergent for automatic dishwashers. Wear.
- the Bacillus sp. KSM-AP 1378 strain described in Example 1 of JP-A-3-108482 was prepared by adding 1% soluble starch (derived from potato), 1.0% polybeptone, 0% . 5% yeast extract, 0. 1% KH 2 P0 4 , 0. 2 5% N a 2 HP 0 4 • 1 2 H 2 0, 0. 0 2% Mg S 0 4 ⁇ 7 H 2 0, 0. 0 2% C a C £ 2 2 H 2 0, 0.0 0 1% F e SO 4 * 7 H 2 O, 0.0 0 0 1 1 Mn C £ 2 4 H 2 0 and 1.
- the precipitate was recovered by centrifugation, and 1 OmM tris-hydrochloride After suspending in a buffer solution (pH 8), the suspension was dialyzed overnight against the same buffer solution. Next, the dialysate was fractionated by gel filtration (TSK-G3000 SW column) using high performance liquid chromatography, and the active fraction was collected. The collected active fraction was concentrated using an ultrafiltration membrane, and then dialyzed overnight using 1 OmM Tris-monohydrochloride buffer (pH 8). The purified enzyme thus obtained gave a single band on sodium dodecyl sulfate (SDS) polyacrylamide gel electrophoresis (gel concentration 7.5%), and the activity yield was about 6.4%. Was. The resulting enzyme had the aforementioned enzymatic chemistry.
- SDS sodium dodecyl sulfate
- the detergency of a detergent containing the liquefied Al- ⁇ -amylase of the present invention and a detergent containing a conventional enzyme having ⁇ -amylase activity were compared.
- the method for preparing the DNS reagent, the method for measuring and calculating the enzyme activity, the method for preparing the contaminated cloth, and the method for evaluating the detergency are shown below.
- Boncare I Gold Medium Hot (Otsuka Foods Co., Ltd.) is crushed with a mixer, and a cotton cloth is contacted with this liquid and brushed to remove excess adhering dirt, and then a 1 Ocm x 1 Ocm test specimen is prepared. I do.
- the reflectance at 460 nm of the original cloth before and after cleaning was measured with a self-recording colorimeter (manufactured by Shimadzu Corporation), and the cleaning power was evaluated based on the cleaning rate (%) obtained from the following equation. .
- the average carbon number of the alkyl group is 12 (straight chain) and the average addition of ethylene oxide Polyoxetylene alkyl ether with a number of 7
- the molecular weight is about 200,000 (see P.U. An enzyme having lulanase activity and ⁇ - amylase activity
- the detergent particles prepared as described below were dry-blended with the granules of Alkyri ⁇ -amylase to prepare granular detergents having the compositions shown in Table 5, and the detergency was evaluated. Cleanser manufacturing method>
- Example 2 The liquefied Al- ⁇ -amylase obtained in Example 1 was granulated with sodium sulfate and a small amount of polyethylene glycol, and dry-dried with the detergent particles obtained in (1) to (3). A granular detergent having the composition shown in 5 was obtained.
- the average particle size and density of the obtained granular detergent are shown below.
- the average particle diameter of 4 0 0 ⁇ 5 0 0 m, Caza density 7 5 0 ⁇ 7 8 0 g / cm 3 present invention product 3 Average particle size 4 0 0 ⁇ , Caza density 7 7 0 g / cm 3
- Inventive product 6 average particle size 450 / m, bulk density 800 gZcin 3
- the resulting granular detergent was added to 4 ° DH water to prepare a 0.083% aqueous cleaning solution.
- One liter of the cleaning solution adjusted to 30 ° C. is immersed in the artificially contaminated curry cloth prepared in the same manner as in Example 2, and allowed to stand for 10 minutes. After standing, transfer the detergent solution and the artificially contaminated cloth as they are to a stainless steel beaker (1 liter) for Targotometer and stir at 100 rpm at 20 ° C for 10 minutes with the Targotometer. After sufficient rinsing under running water, an iron press was performed, and the reflectance was measured in the same manner as in Example 2 to determine the cleaning rate. Table 5 shows the results.
- the average molecular weight is about 8, 000, and the blending amount excludes those in ⁇ -amylase particles.
- a liquid detergent having the composition shown in Table 6 was prepared, and a cleaning test was performed in the same manner as in Example 2 to determine a cleaning rate. Table 6 shows the results.
- the cleaning rate was determined under the same conditions as in Example 3 except that the bleaching conditions were a 0.05% aqueous solution and 40 ° C for 30 minutes. The results are also shown in Table 7.
- An automatic dishwashing detergent having the composition shown in Table 8 was prepared in the same manner as in Example 5.
- the obtained automatic dishwashing detergent was evaluated for washing under the following conditions. As a result, an excellent washing effect was obtained in all cases, showing superiority to the case where amylase was not added.
- Soft cooked rice is left at room temperature for 30 minutes, 3 g is spread on a magnetic dish with a diameter of 25 cm, coated and air-dried at room temperature all day and night.
- a cleaning solution is sprayed from a rotating nozzle to wash dishes and dishes placed on the top of the spray track.
- the liquefied ⁇ -amylase of the present invention has a liquefaction activity of decomposing a substrate such as starch or a starch-based polysaccharide at high randomness as compared to conventional ⁇ -amylase, and It has an optimum pH on the alkaline side (8.0-10.0) and is extremely stable over a wider pH range.
- the optimum temperature is 45-55 ° C, and the thermal stability is extremely stable up to 50 ° C. Furthermore, it is hardly inhibited by detergent components such as surfactants.
- the isoelectric point of the conventionally known alkaline ⁇ -amylase is about 3.0 to 8.0
- the liquefied alkaline ⁇ -amylase of the present invention has an isoelectric point of more than 8.5, which has not existed before. It has a high isoelectric point (8.7 to 9.7, specifically around 9.2), and uses the characteristics of this enzyme to perform gel isoelectric focusing, density gradient isoelectric focusing, Since it is possible to easily obtain a purified enzyme by ion exchange chromatography or the like, it is of great industrial significance.
- the detergent composition containing the liquefied alkaline ⁇ -amylase of the present invention has an excellent detergency especially for spills.
- the liquefied ⁇ -amylase of the present invention also has excellent detergency even with the conventional amylase is that it is affected by a high isoelectric point in addition to the liquefied type having high random degradability. It is thought that there is also. That is, fibers are generally negatively charged in water, but when the pH of the washing liquid is high, if the isoelectric point of the enzyme is low, the enzyme will also be negatively charged and tend to repel each other.
- the liquefied alkaline ⁇ -amylase of the present invention Because of its high isoelectric point, it does not become negatively charged in the washing liquid and reduces repulsion with stains on the fiber surface, which is thought to contribute to improvement of detergency.
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Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69433032T DE69433032T2 (de) | 1993-05-19 | 1994-05-19 | VERFLÜSSIGENDE -[alpha]-AMYLASE, VERFAHREN ZU IHRER HERSTELLUNG, UND SIE ENTHALTENDE WASCHMITTELZUSAMMENSETZUNG |
JP6525251A JP2893486B2 (ja) | 1993-05-19 | 1994-05-19 | 液化型アルカリα−アミラーゼ,その製造法及びこれを含有する洗浄剤組成物 |
EP94915270A EP0670367B1 (en) | 1993-05-19 | 1994-05-19 | LIQUEFYING ALKALINE [alpha]-AMYLASE, PROCESS FOR PRODUCING THE SAME, AND DETERGENT COMPOSITION CONTAINING THE SAME |
DK94915270T DK0670367T3 (da) | 1993-05-19 | 1994-05-19 | Flydendegørende alkalisk alfa-amylase, fremgangsmåde til fremstilling af denne og detergentsammensætning indeholdende denne |
US08/362,493 US5635468A (en) | 1993-05-19 | 1994-05-19 | Liquefying alkaline α-amylase, process for producing the same, and detergent composition containing the same |
HK98109383A HK1008685A1 (en) | 1993-05-19 | 1998-07-24 | Liquefying alkaline [alpha]-amylase, process for producing the same, and detergent composition containing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11739293 | 1993-05-19 | ||
JP5/117392 | 1993-05-19 |
Publications (1)
Publication Number | Publication Date |
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WO1994026881A1 true WO1994026881A1 (en) | 1994-11-24 |
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ID=14710525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1994/000805 WO1994026881A1 (en) | 1993-05-19 | 1994-05-19 | LIQUEFYING ALKALINE α-AMYLASE, PROCESS FOR PRODUCING THE SAME, AND DETERGENT COMPOSITION CONTAINING THE SAME |
Country Status (9)
Country | Link |
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US (1) | US5635468A (ja) |
EP (1) | EP0670367B1 (ja) |
CN (1) | CN1062906C (ja) |
DE (1) | DE69433032T2 (ja) |
DK (1) | DK0670367T3 (ja) |
HK (1) | HK1008685A1 (ja) |
SG (1) | SG45145A1 (ja) |
TW (1) | TW419523B (ja) |
WO (1) | WO1994026881A1 (ja) |
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WO1997000324A1 (en) * | 1995-06-14 | 1997-01-03 | Kao Corporation | Gene encoding alkaline liquefying alpha-amylase |
WO1998044126A1 (en) | 1997-03-31 | 1998-10-08 | Kao Corporation | MUTATED α-AMYLASES |
US6403355B1 (en) | 1998-12-21 | 2002-06-11 | Kao Corporation | Amylases |
US6743616B2 (en) | 2000-10-11 | 2004-06-01 | Kao Corporation | Highly productive alpha-amylases |
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WO2023120594A1 (ja) | 2021-12-24 | 2023-06-29 | 花王株式会社 | アミラーゼ配合洗浄剤組成物 |
WO2023176970A1 (ja) | 2022-03-18 | 2023-09-21 | 花王株式会社 | α-アミラーゼ変異体 |
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US6165770A (en) * | 1996-09-26 | 2000-12-26 | Novo Nordisk A/S | Alkaline stable amylase from Thermoalcalibacter |
US5711764A (en) * | 1996-10-03 | 1998-01-27 | Wasinger; Eric M. | Composition and process for decolorizing and/or desizing garments |
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DZ3349A1 (fr) | 2000-07-28 | 2002-02-07 | Henkel Kgaa | Nouvelle enzyme amylolytique issue de bacillus sp. a 7-7 (dsm 12368) ainsi que produits de lavage et nettoyage contenant ledit enzyme amylolytique |
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- 1994-05-19 DE DE69433032T patent/DE69433032T2/de not_active Expired - Lifetime
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US6638748B2 (en) | 1995-06-14 | 2003-10-28 | Kao Corporation | Gene encoding alkaline liquifying alpha-amylase |
CN1128221C (zh) * | 1995-06-14 | 2003-11-19 | 花王株式会社 | 编码碱性液化α-淀粉酶的基因 |
WO1997000324A1 (en) * | 1995-06-14 | 1997-01-03 | Kao Corporation | Gene encoding alkaline liquefying alpha-amylase |
US6486113B1 (en) | 1997-03-31 | 2002-11-26 | Kao Corporation | Mutant α-amylases |
WO1998044126A1 (en) | 1997-03-31 | 1998-10-08 | Kao Corporation | MUTATED α-AMYLASES |
US6403355B1 (en) | 1998-12-21 | 2002-06-11 | Kao Corporation | Amylases |
US6916645B2 (en) | 1998-12-21 | 2005-07-12 | Kao Corporation | Amylases |
US6743616B2 (en) | 2000-10-11 | 2004-06-01 | Kao Corporation | Highly productive alpha-amylases |
CN100415878C (zh) * | 2000-10-11 | 2008-09-03 | 花王株式会社 | 高生产能力的α-淀粉酶 |
US7297527B2 (en) | 2000-10-11 | 2007-11-20 | Kao Corporation | Highly productive α-amylases |
WO2011080353A1 (en) | 2010-01-04 | 2011-07-07 | Novozymes A/S | Stabilization of alpha-amylases towards calcium depletion and acidic ph |
CN104479909A (zh) * | 2014-12-01 | 2015-04-01 | 湖南新鸿鹰生物工程有限公司 | 一种含真菌α-淀粉酶的洗涤复合酶及其制备方法 |
WO2022014428A1 (ja) | 2020-07-15 | 2022-01-20 | 花王株式会社 | アミラーゼ配合洗浄剤組成物 |
WO2022071451A1 (ja) | 2020-10-02 | 2022-04-07 | 花王株式会社 | α-アミラーゼ変異体 |
WO2023120594A1 (ja) | 2021-12-24 | 2023-06-29 | 花王株式会社 | アミラーゼ配合洗浄剤組成物 |
WO2023176970A1 (ja) | 2022-03-18 | 2023-09-21 | 花王株式会社 | α-アミラーゼ変異体 |
WO2023190938A1 (ja) | 2022-03-31 | 2023-10-05 | 花王株式会社 | α-アミラーゼ変異体 |
Also Published As
Publication number | Publication date |
---|---|
TW419523B (en) | 2001-01-21 |
EP0670367A1 (en) | 1995-09-06 |
CN1110058A (zh) | 1995-10-11 |
CN1062906C (zh) | 2001-03-07 |
DE69433032T2 (de) | 2004-06-03 |
US5635468A (en) | 1997-06-03 |
DE69433032D1 (de) | 2003-09-18 |
EP0670367B1 (en) | 2003-08-13 |
HK1008685A1 (en) | 1999-07-30 |
DK0670367T3 (da) | 2003-11-24 |
SG45145A1 (en) | 1998-01-16 |
EP0670367A4 (en) | 2000-01-05 |
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