JP2006513274A - 還元型補酵素q10の精製方法 - Google Patents
還元型補酵素q10の精製方法 Download PDFInfo
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- JP2006513274A JP2006513274A JP2005516403A JP2005516403A JP2006513274A JP 2006513274 A JP2006513274 A JP 2006513274A JP 2005516403 A JP2005516403 A JP 2005516403A JP 2005516403 A JP2005516403 A JP 2005516403A JP 2006513274 A JP2006513274 A JP 2006513274A
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- Prior art keywords
- reduced coenzyme
- water
- purification method
- coenzyme
- oil
- Prior art date
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- QNTNKSLOFHEFPK-UPTCCGCDSA-N ubiquinol-10 Chemical compound COC1=C(O)C(C)=C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)C(O)=C1OC QNTNKSLOFHEFPK-UPTCCGCDSA-N 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000000746 purification Methods 0.000 title claims abstract description 34
- 239000013078 crystal Substances 0.000 claims abstract description 78
- 239000012535 impurity Substances 0.000 claims abstract description 52
- ACTIUHUUMQJHFO-UPTCCGCDSA-N coenzyme Q10 Chemical compound COC1=C(OC)C(=O)C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UPTCCGCDSA-N 0.000 claims abstract description 48
- 239000003960 organic solvent Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 43
- 238000005406 washing Methods 0.000 claims abstract description 24
- 239000012046 mixed solvent Substances 0.000 claims abstract description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 69
- 239000002904 solvent Substances 0.000 claims description 53
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 36
- 235000010323 ascorbic acid Nutrition 0.000 claims description 24
- 150000001298 alcohols Chemical class 0.000 claims description 21
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- 150000002825 nitriles Chemical class 0.000 claims description 16
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 235000017471 coenzyme Q10 Nutrition 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
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- 239000006185 dispersion Substances 0.000 claims 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 claims 1
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- 229940079593 drug Drugs 0.000 abstract description 2
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- -1 ascorbic acid palmitic acid ester Chemical class 0.000 description 41
- 238000006722 reduction reaction Methods 0.000 description 33
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- 238000006243 chemical reaction Methods 0.000 description 12
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- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 12
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- 125000004122 cyclic group Chemical group 0.000 description 10
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- 239000000126 substance Substances 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- KPSSIOMAKSHJJG-UHFFFAOYSA-N neopentyl alcohol Chemical compound CC(C)(C)CO KPSSIOMAKSHJJG-UHFFFAOYSA-N 0.000 description 8
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
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- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/22—Preparation of oxygen-containing organic compounds containing a hydroxy group aromatic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
【解決手段】 本発明は、水溶性有機溶媒もしくは水溶性有機溶媒と水との混合溶媒を用いて還元型補酵素Q10の結晶及び/又は油状物を洗浄することにより、還元型補酵素Q10の結晶及び/又は油状物に含まれる水溶性の不純物、特に還元剤及び/又は還元剤由来の不純物を除去する還元型補酵素Q10の精製方法である。本発明の方法によれば、操作性に優れた方法にて、簡便かつ効率よく還元型補酵素Q10を精製することができ、高品質の還元型補酵素Q10を取得することができる。
Description
本発明の方法によれば、還元型補酵素Q10中に含まれる水溶性不純物を簡便かつ効率的に痕跡量以下にまで除去することができ、極めて高品質の還元型補酵素Q10の結晶、あるいは、油状物を取得することができる。
また、還元型補酵素Q10の油状物を精製する場合、洗浄に用いた溶媒とともに冷却することにより結晶化させ、該結晶を取得することもでき、還元型補酵素Q10の油状物に融解温度未満の温度で種晶を接触させることにより、還元型補酵素Q10を固化させ、結晶として得ることもできる。
本発明の還元型補酵素Q10の精製方法は、水溶性有機溶媒もしくは水溶性有機溶媒と水との混合溶媒を用いて、還元型補酵素Q10の結晶及び/又は油状物を洗浄することにより、還元型補酵素Q10の結晶及び/又は油状物から水溶性不純物を除去するものである。
つまり、本発明では、還元型補酵素Q10の結晶及び/又は油状物に残存する水溶性不純物、特に後述する還元剤及び/又は還元剤に由来する不純物を簡便且つ効率的に除去するために、水溶性有機溶媒もしくは水溶性有機溶媒と水との混合溶媒を用いて洗浄する。
3価アルコールとしては、グリセリンが好ましい。
硫黄化合物類としては、例えば、ジメチルスルホキシド、スルホラン等を挙げることができる。
脂肪酸類としては、例えば、ギ酸、酢酸、プロピオン酸等を挙げることができる。好ましくは、ギ酸、酢酸であり、特に好ましくは酢酸である。
水溶性有機溶媒と水との混合溶媒として用いる場合、当該混合溶媒に含まれる水溶性有機溶媒の濃度は特に限定されないが、好適な液性状、洗浄効果を得る観点から、好ましくは約5w/w%以上、より好ましくは約7w/w%以上、さらに好ましくは約10w/w%以上、特に好ましくは約20w/w%以上、最も好ましくは約30w/w%以上である。
脱酸素雰囲気は、不活性ガスによる置換、減圧、沸騰やこれらを組み合わせることにより達成できる。少なくとも、不活性ガスによる置換、即ち、不活性ガス雰囲気を用いるのが好適である。上記不活性ガスとしては、例えば、窒素ガス、ヘリウムガス、アルゴンガス、水素ガス、炭酸ガス等を挙げることができ、好ましくは窒素ガスである。
具体例としては、例えば、プロパン、ブタン、イソブタン、ペンタン、2−メチルブタン、シクロペンタン、2−ペンテン、ヘキサン、2−メチルペンタン、2,2−ジメチルブタン、2,3−ジメチルブタン、メチルシクロペンタン、シクロヘキサン、1−ヘキセン、シクロヘキセン、ヘプタン、2−メチルヘキサン、3−メチルヘキサン、2,3−ジメチルペンタン、2,4−ジメチルペンタン、メチルシクロヘキサン、1−ヘプテン、オクタン、2,2,3−トリメチルペンタン、イソオクタン、エチルシクロヘキサン、1−オクテン、ノナン、2,2,5−トリメチルヘキサン、1−ノネン、デカン、1−デセン、p−メンタン、ウンデカン、ドデカン等を挙げることができる。
好ましくは、ジクロロメタン、クロロホルム、四塩化炭素、1,1−ジクロロエタン、1,2−ジクロロエタン、1,1,1−トリクロロエタン、1,1,2−トリクロロエタン、1,1−ジクロロエチレン、1,2−ジクロロエチレン、トリクロロエチレン、クロロベンゼン、1,1,1,2−テトラフルオロエタンである。より好ましくは、ジクロロメタン、クロロホルム、1,2−ジクロロエチレン、トリクロロエチレン、クロロベンゼン、1,1,1,2−テトラフルオロエタンである。
亜鉛の使用量は、特に制限されないが、酸化型補酵素Q10の仕込み重量に対して、例えば、約1/10重量以上で好適に実施できる。上限は特に制限されないが、経済性の観点等から、約2倍重量以下である。
還元型補酵素Q10の製造において、上記のアスコルビン酸類をいずれも好適に使用しうるが、生成した還元型補酵素Q10との分離のしやすさ等を考慮すると、上記のアスコルビン酸類のうち、特に水溶性のものが好適に用いられ、最も好ましくは、入手容易性、価格等の観点から、L−アスコルビン酸、D−arabo−アスコルビン酸等のフリー体である。
上記次亜硫酸類を用いる還元は、水を併用して、上記の炭化水素類、脂肪酸エステル類、エーテル類、及び、ニトリル類のうち少なくとも一種の有機溶媒(好ましくは炭化水素類、より好ましくは脂肪族炭化水素、さらに好ましくはヘプタン類、特に好ましくはヘプタン)との混合溶媒系で実施するのが好ましい。
上記の塩基性物質のうち、金属(好ましくは、アルカリ金属、アルカリ土類金属等)の炭酸塩、炭酸水素塩、アンモニア等の無機化合物;トリエチルアミン等のアミン等の有機化合物等の、弱い塩基性物質(弱塩基又は弱アルカリ)を好ましく使用できる。より好ましくは、上記の弱塩基性の無機化合物である。
この場合、還元温度は、酸化型補酵素Q10の純度等にもよるが、普通約45℃以上、好ましくは約48℃以上、より好ましくは約50℃以上で実施される。上限は、系の沸点であるが、通常約100℃以下、好ましくは約80℃以下、より好ましくは約60℃以下である。
炭化水素類、脂肪酸エステル類、エーテル類、アルコール類、脂肪酸類、ケトン類、ニトリル類、アミド類、硫黄化合物類としては、先述の溶媒を挙げることができる。
ニトリル類、アミド類を除く窒素化合物類としては、例えば、ニトロメタン、トリエチルアミン、ピリジン等を挙げることができる。
還元型補酵素Q10の晶析は、冷却、濃縮、溶媒置換、貧溶媒の使用等の一般的な晶析操作を、単独で又は適宜組み合わせて、実施することができる。特に、冷却操作(冷却晶析)を用いる、又は、併用するのが好ましい。
また、実施例中のL−アスコルビン酸の含有率はHPLCにて求め、次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物の含有率はイオンクロマトグラフィーを使用してナトリウム含量を定量し、次亜硫酸ナトリウムに換算して求めたが、上記還元剤及び/又は還元剤に由来する不純物の含有率は、本発明における還元型補酵素Q10の精製に対する限界値を示すものではない。
1000gのエタノール中に、100gの酸化型補酵素Q10、60gのL−アスコルビン酸を加え、78℃にて攪拌し、還元反応を行った。30時間後、50℃まで冷却し、同温を保持しながらエタノールを400g、水を100g添加した。このエタノール溶液(還元型補酵素Q10を100gを含む)を攪拌(攪拌所要動力0.3kW/m3)しながら、10℃/時間の冷却速度で2℃まで冷却し、白色のスラリーを得た。得られたスラリーを減圧ろ過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶101g(L−アスコルビン酸3.2%、シュウ酸0.36%を含む)を得た。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。
製造例1で取得した還元型補酵素Q10の結晶10g(L−アスコルビン酸3.2%、シュウ酸0.36%を含む)を、それぞれエタノール含量の異なるエタノール水溶液190gに添加してスラリーとし、25℃にて10分間撹拌した。このスラリーを減圧濾過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶を得た。このときの結晶中に残存するL−アスコルビン酸及びシュウ酸の量、還元型補酵素Q10の回収率を表1に示す。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。
製造例1で取得した還元型補酵素Q10の結晶10g(L−アスコルビン酸3.2%、シュウ酸0.36%を含む)を、エタノール190gに添加してスラリーとし、2℃にて10分間撹拌した。このスラリーを減圧濾過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶を得た。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。このとき、結晶中に残存するL−アスコルビン酸の量は0.06%、シュウ酸の量は0.07%であり、還元型補酵素Q10の回収率は96%であった。
製造例1で取得した還元型補酵素Q10の結晶10g(L−アスコルビン酸3.2%、シュウ酸0.36%を含む)を60℃にて油状物とし、30重量%エタノール水溶液190gを添加して、同温にて10分間撹拌した。撹拌後、25℃まで冷却することにより、油状物を結晶とした。このスラリーを減圧濾過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶を得た。このときの結晶中に残存するL−アスコルビン酸及びシュウ酸の量、還元型補酵素Q10の回収率を表2に示す。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。
製造例1で取得した還元型補酵素Q10の結晶10g(L−アスコルビン酸3.2%、シュウ酸0.36%を含む)を、30重量%アセトン水溶液190gに添加してスラリーとし、25℃にて10分間撹拌した。このスラリーを減圧濾過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶を得た。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。このとき、結晶中に残存するL−アスコルビン酸の量は0.09%、シュウ酸の量は0.04%であり、還元型補酵素Q10の回収率は、99%であった。
100gの酸化型補酵素Q10を25℃で1000gのヘプタンに溶解させた。攪拌(攪拌所要動力0.3kW/m3)しながら、還元剤として次亜硫酸ナトリウム(純度75%以上)100gに1000mlの水を加えて溶解させた水溶液を、徐々に添加し、25℃、pH4〜6で還元反応を行った。2時間の反応後、攪拌(攪拌所要動力0.3kW/m3)を続け、10℃/時間の冷却速度で2℃まで冷却し、白色のスラリーを得た。尚、以上すべての操作は窒素雰囲気下で実施した。得られたスラリーを減圧ろ過し、湿結晶を減圧乾燥(20〜40℃、1〜30mmHg)することにより、白色の乾燥結晶95g(次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物を次亜硫酸ナトリウムとして1.0%含む)を得た。尚、減圧乾燥を除くすべての操作は、窒素雰囲気下で実施した。
製造例2で取得した還元型補酵素Q10の結晶10g(次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物を次亜硫酸ナトリウムとして1.0%含む)を、実施例1と同様の方法にて1時間撹拌し、精製した。このときの固形物中に残存する次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物の量、還元型補酵素Q10の回収率を表3に示す。
製造例2で取得した還元型補酵素Q10の結晶10g(次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物を次亜硫酸ナトリウムとして1.0%含む)を、30重量%エタノール水溶液190g中、60℃にて1時間撹拌した。撹拌後、同温にて水相を除去し、還元型補酵素Q10の油状物を得た。この油状物を、自結晶を敷いたプレートの上(40℃)に滴下し、半球状の固形物を得た。このときの結晶中に残存する次亜硫酸ナトリウム及び次亜硫酸ナトリウム由来の不純物の量、還元型補酵素Q10の回収率を表4に示す。
表5に示す各種溶媒20gに1gの還元型補酵素Q10(還元型補酵素Q10/酸化型補酵素Q10の重量比は99.6/0.4)を、25℃下で溶解した。大気中、25℃で24時間の攪拌後、液中の還元型補酵素Q10/酸化型補酵素Q10の重量比を測定した結果を表5に示す。
表6に示す各種溶媒100gに1gの還元型補酵素Q10(還元型補酵素Q10/酸化型補酵素Q10の重量比は99.6/0.4)を、35℃下で溶解した。大気中、35℃で24時間の攪拌後、液中の還元型補酵素Q10/酸化型補酵素Q10の重量比を測定した結果を表6に示す。
Claims (19)
- 水溶性有機溶媒もしくは水溶性有機溶媒と水との混合溶媒を用いて還元型補酵素Q10の結晶及び/又は油状物を洗浄することにより、還元型補酵素Q10の結晶及び/又は油状物から水溶性不純物を除去することを特徴とする、還元型補酵素Q10の精製方法。
- 還元型補酵素Q10の結晶及び/又は油状物の洗浄は、還元型補酵素Q10の結晶及び/又は油状物が、水溶性有機溶媒もしくは水溶性有機溶媒と水との混合溶媒に分散した状態で行われる請求項1記載の還元型補酵素Q10の精製方法。
- 分散が強制流動下に行われる請求項2記載の還元型補酵素Q10の精製方法。
- 水溶性有機溶媒が、アルコール類、ケトン類、エーテル類及びニトリル類から選ばれた少なくとも一つである請求項1〜3のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 水溶性有機溶媒がエタノールである請求項4記載の還元型補酵素Q10の精製方法。
- 水溶性有機溶媒と水の混合溶媒を用いて洗浄を行う請求項1〜5のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 水溶性有機溶媒の含有率が重量比で5w/w%以上の混合溶媒を用いて洗浄を行う請求項6記載の還元型補酵素Q10の精製方法。
- 水溶性不純物が、酸化型補酵素Q10を還元型補酵素Q10に変換するために使用した還元剤及び/又は還元剤に由来する不純物である請求項1〜7のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 還元剤及び/又は還元剤に由来する不純物が次亜硫酸類及び/又は次亜硫酸類に由来する不純物である請求項8記載の還元型補酵素Q10の精製方法。
- 還元剤及び/又は還元剤に由来する不純物がアスコルビン酸類及び/又はアスコルビン酸類に由来する不純物である請求項8記載の還元型補酵素Q10の精製方法。
- アスコルビン酸類に由来する不純物がシュウ酸である請求項10記載の還元型補酵素Q10の精製方法。
- 洗浄する際の還元型補酵素Q10の濃度が、洗浄終了時の溶媒の重量に対する還元型補酵素Q10の重量として30w/w%以下である請求項1〜11のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 還元型補酵素Q10が結晶である請求項1〜12のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 洗浄温度が50℃以下である請求項13記載の還元型補酵素Q10の精製方法。
- 還元型補酵素Q10が油状物であり、洗浄温度が還元型補酵素Q10の融解温度以上である請求項1〜14のいずれか一項に記載の還元型補酵素Q10の精製方法。
- 洗浄温度が40℃以上である請求項15記載の還元型補酵素Q10の精製方法。
- 還元型補酵素Q10の油状物から不純物を除去した後、該溶液を冷却することにより還元型補酵素Q10の結晶を取得する請求項15又は16に記載の還元型補酵素Q10の精製方法。
- 還元型補酵素Q10の油状物から不純物を除去した後、該油状物に種晶を接触させることにより還元型補酵素Q10の結晶を取得する請求項15又は16に記載の還元型補酵素Q10の精製方法。
- 脱酸素雰囲気下に行われる請求項1〜18のいずれか一項に記載の還元型補酵素Q10の精製方法。
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WO2011045934A1 (ja) * | 2009-10-16 | 2011-04-21 | 株式会社カネカ | 還元型補酵素q10の製造方法、安定化方法及びそれを含有する組成物 |
CN104892370A (zh) * | 2015-04-01 | 2015-09-09 | 浙江新和成股份有限公司 | 一种还原型辅酶q10的制备方法 |
CN106497993B (zh) * | 2016-09-05 | 2021-07-06 | 广东润和生物科技有限公司 | 还原型辅酶q10及化妆品 |
US11471426B2 (en) | 2019-10-16 | 2022-10-18 | American River Nutrition, Llc | Compositions comprising quinone and/or quinol and methods of preparations and use thereof |
CN111943827B (zh) * | 2020-09-28 | 2023-03-31 | 陕西嘉禾药业有限公司 | 一种辅酶q10的提纯方法 |
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- 2004-01-09 KR KR1020057012809A patent/KR20050101170A/ko not_active Application Discontinuation
- 2004-01-09 ES ES04701106.9T patent/ES2683000T3/es not_active Expired - Lifetime
- 2004-01-09 JP JP2005516403A patent/JP4579835B2/ja not_active Expired - Fee Related
- 2004-01-09 EP EP04701106.9A patent/EP1583729B1/en not_active Expired - Lifetime
- 2004-01-09 US US10/541,446 patent/US20060246565A1/en not_active Abandoned
- 2004-01-09 CN CNB2004800019661A patent/CN100344595C/zh not_active Expired - Lifetime
- 2004-01-09 TW TW093100537A patent/TW200509884A/zh unknown
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Cited By (9)
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JP4598873B2 (ja) * | 2007-10-30 | 2010-12-15 | 株式会社カネカ | 含水有機溶媒を用いる還元型補酵素q10の製造方法 |
JPWO2009057611A1 (ja) * | 2007-10-30 | 2011-03-10 | 株式会社カネカ | 含水有機溶媒を用いる還元型補酵素q10の製造方法 |
US8063254B2 (en) | 2007-10-30 | 2011-11-22 | Kaneka Corporation | Method for production of reduced coenzyme Q10 using water-containing organic solvent |
WO2012176842A1 (ja) * | 2011-06-24 | 2012-12-27 | 株式会社カネカ | 安定性に優れた還元型補酵素q10結晶 |
JPWO2012176842A1 (ja) * | 2011-06-24 | 2015-02-23 | 株式会社カネカ | 安定性に優れた還元型補酵素q10結晶 |
US9388109B2 (en) | 2011-06-24 | 2016-07-12 | Kaneka Corporation | Reduced coenzyme Q10 crystal having excellent stability |
US9556098B2 (en) | 2011-06-24 | 2017-01-31 | Kaneka Corporation | Reduced coenzyme Q10 crystal having excellent stability |
WO2013162034A1 (ja) * | 2012-04-27 | 2013-10-31 | 株式会社カネカ | 還元型補酵素q10の製造方法 |
US9440901B2 (en) | 2012-04-27 | 2016-09-13 | Kaneka Corporation | Method for producing reduced coenzyme Q10 |
Also Published As
Publication number | Publication date |
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EP1583729A1 (en) | 2005-10-12 |
JP4579835B2 (ja) | 2010-11-10 |
CN100344595C (zh) | 2007-10-24 |
WO2004063131A1 (en) | 2004-07-29 |
EP1583729B1 (en) | 2018-06-06 |
ES2683000T3 (es) | 2018-09-24 |
US20060246565A1 (en) | 2006-11-02 |
EP1583729A4 (en) | 2006-07-05 |
TW200509884A (en) | 2005-03-16 |
KR20050101170A (ko) | 2005-10-20 |
CN1723181A (zh) | 2006-01-18 |
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