WO2011132724A1 - 酸化型グルタチオンの結晶およびその製造方法 - Google Patents
酸化型グルタチオンの結晶およびその製造方法 Download PDFInfo
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- WO2011132724A1 WO2011132724A1 PCT/JP2011/059776 JP2011059776W WO2011132724A1 WO 2011132724 A1 WO2011132724 A1 WO 2011132724A1 JP 2011059776 W JP2011059776 W JP 2011059776W WO 2011132724 A1 WO2011132724 A1 WO 2011132724A1
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- oxidized glutathione
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/02—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link
- C07K5/0215—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link containing natural amino acids, forming a peptide bond via their side chain functional group, e.g. epsilon-Lys, gamma-Glu
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/54—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
- C30B7/08—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by cooling of the solution
Definitions
- the present invention relates to crystals of oxidized glutathione that are useful as products, raw materials, intermediates, and the like such as health foods, pharmaceuticals, and cosmetics, and a method for producing the crystals.
- Oxidized glutathione has the same action as reduced glutathione, and as the action of oxidized glutathione, for example, detoxification action in the liver by oral administration is known (Non-patent Document 1). Therefore, oxidized glutathione can be used in various applications using reduced glutathione, and is useful, for example, as a product, raw material or intermediate for health foods, pharmaceuticals, cosmetics and the like.
- an aqueous solution containing reduced glutathione obtained by a fermentation method, an enzymatic method, or the like, or a yeast extract solution or the like is used as a raw material, and reduced glutathione is converted into oxidized glutathione in the solution.
- Patent Documents 1 and 2 adding an excipient, etc., lyophilization
- Patent Document 2 A method for obtaining an oxidized glutathione-containing yeast extract powder by spray drying or the like (Patent Document 2), and a method for producing an oxidized glutathione monohydrate crystal by dropping alcohol or the like into an oxidized glutathione-containing aqueous solution (Patent Document 3).
- Patent Document 3 A method for producing crystals of oxidized glutathione octahydrate (Non-Patent Document 2) and the like are known.
- Oxidized glutathione octahydrate crystals have a problem in that the water content contained in the crystals is not constant, the stability is poor, and it takes a long time of 3-4 days to obtain crystals. Oxidized glutathione monohydrate crystals are needle-like crystals that are prone to agglomerate, resulting in poor crystal separation, poor impurity impurity (purification ability), and slow crystal growth rate It is known that there is room for improvement.
- An object of the present invention is to provide oxidized glutathione crystals that are useful as products, raw materials, or intermediates for products such as health foods, pharmaceuticals, and cosmetics, and to produce oxidized glutathione crystals suitable for mass synthesis or industrialization. It is to provide a method.
- the present invention relates to the following (1) to (8).
- Oxidized glutathione hexahydrate crystals are precipitated by cooling the oxidized glutathione-containing aqueous solution to 15 ° C. or lower, and then collecting oxidized glutathione hexahydrate crystals from the aqueous solution.
- oxidized glutathione-containing aqueous solution is an aqueous solution obtained by treating a solution containing oxidized glutathione with a synthetic adsorption resin treatment or an ion exchange resin treatment.
- the present invention provides crystals of oxidized glutathione that are useful as products, raw materials, intermediates, and the like such as health foods, pharmaceuticals, and cosmetics, and a method for producing the same.
- the oxidized glutathione solution may be any solution containing oxidized glutathione.
- the reduced glutathione obtained by the synthesis method, fermentation method or extraction method from yeast according to the method described in JP-A No. 61-74595 or the like is used as a reaction solution containing reduced glutathione,
- purified glutathione obtained as a purified solution, lyophilized powder, etc. is obtained according to the method described in JP-A-5-146279, JP-A-7-177896, etc.
- Aqueous solution and culture solution containing oxidized glutathione obtained by oxidizing with hydrogen oxide, an enzyme that oxidizes ascorbic acid, etc. Extract from yeast, and sterilization liquid, and the like.
- the oxidized glutathione-containing aqueous solution may be any aqueous solution containing oxidized glutathione, but is preferably an aqueous solution in which the purity of oxidized glutathione in the dissolved component is 50% or more, and more preferably 70% or more. Is more preferable.
- the aqueous solution may contain other organic solvents such as alcohols such as methanol, ethanol, isopropyl alcohol and n-propanol, and ketones such as acetone and methyl ethyl ketone.
- the water content in the aqueous solution is preferably 20% or more.
- an aqueous solution prepared by pretreating a solution of oxidized glutathione (the solution of oxidized glutathione is synonymous with the above-mentioned solution of oxidized glutathione).
- Examples of the pretreatment method include membrane treatment, gel filtration treatment, activated carbon treatment, ion exchange resin treatment, synthetic adsorption resin treatment, chelate resin treatment, solvent precipitation, etc., preferably activated carbon treatment, ion exchange resin treatment, synthetic adsorption resin treatment.
- synthetic precipitation resin treatment or ion exchange resin treatment is more preferable, and these treatment methods may be appropriately combined.
- the oxidized glutathione-containing aqueous solution is preferably an aqueous solution having a concentration of oxidized glutathione contained in the range of 50 to 700 g / L. Of these, aqueous solutions having a concentration of 100 to 400 g / L are preferable, and these are appropriately prepared, for example, by concentration.
- the water-miscible organic solvent may be any organic solvent having a property of being miscible with water.
- alcohols such as methanol, ethanol, isopropyl alcohol and n-propanol
- ketones such as acetone and methyl ethyl ketone are used.
- the synthetic adsorption resin include non-polar, porous adsorption resins, and the like.
- Diaion HP series for example, HP10, HP20, HP21, HP30, HP40, HP50, etc .; manufactured by Mitsubishi Chemical
- diamond Ion SP800 series for example, SP800, SP825, SP850, SP875, etc .; manufactured by Mitsubishi Chemical
- Diaion SP200 series for example, SP205, SP206, SP207, SP207SS, etc .; manufactured by Mitsubishi Chemical
- Amberlite XAD series for example, XAD4, XAD7HP, XAD16, XAD1600, etc .; manufactured by Rohm and Haas.
- SP207 is preferable.
- Examples of the ion exchange resin include a strong basic anion exchange resin, a weak basic anion exchange resin, a strong acid cation exchange resin, and a weak acid cation exchange resin.
- Examples of the strongly basic anion exchange resin include Diaion PA series (for example, PA306, PA312, PA412, etc .; manufactured by Mitsubishi Chemical).
- Examples of the weakly basic anion exchange resin include Diaion WA series (for example, WA10, WA20, WA30, etc .; manufactured by Mitsubishi Chemical Corporation).
- Examples of the strongly acidic cation exchange resin include Amberlite IR series (for example, 124Na, 252Na, etc .; manufactured by Organo), Dowex (for example, XUS-40232.01, etc .; manufactured by Dow Chemical Company), and the like.
- Examples of the cation exchange resin include Amberlite IRC series (for example, IRC-50, IRC-70, etc .; manufactured by Rohm & Haas).
- oxidized glutathione-containing aqueous solution According to the method described in JP-A-5-146279 or JP-A-7-177896, reduced glutathione, for example, an enzyme that oxidizes oxygen, hydrogen peroxide, and ascorbic acid Etc. to obtain an aqueous solution containing an oxidized glutathione, a culture solution, an extract from yeast, a sterilization solution, and the like. This can be pretreated as necessary so that the purity of the oxidized glutathione in the dissolved component is, for example, 50% or more, preferably 70% or more.
- An aqueous solution containing oxidized glutathione is obtained by concentrating the pretreated solution or the untreated solution so that the concentration of oxidized glutathione is, for example, 50 to 700 g / L, preferably 100 to 400 g / L. .
- an oxidized glutathione-containing aqueous solution can be obtained by converting a pretreated solution or an untreated solution into a powder by freeze-drying and dissolving the obtained powder in water so as to have a similar concentration.
- commercially available oxidized glutathione may be used as the powder.
- Examples of pretreatment methods for obtaining an oxidized glutathione-containing aqueous solution include membrane treatment, gel filtration treatment, activated carbon treatment, ion exchange resin treatment, synthetic adsorption resin treatment, chelate resin treatment (as chelate resins used for chelate resin treatment) , For example, Duolite C467; manufactured by Sumitomo Chemical Co., Ltd.), solvent precipitation, etc., preferably activated carbon treatment, ion exchange resin treatment, synthetic adsorption resin treatment, chelate resin treatment, solvent precipitation, etc.
- a synthetic adsorption resin treatment or an ion exchange resin treatment is more preferable, and these treatment methods may be appropriately combined.
- an aqueous solution containing an oxidized glutathione, a culture solution, an extract from yeast, a sterilization solution, or the like is passed through a synthetic adsorption resin, preferably SP207, and water or a water-miscible organic solvent (The water-miscible organic solvent has the same meaning as described above) alone or in combination of two or more to make an eluate, and separation or purification is performed, or an aqueous solution containing oxidized glutathione, a culture solution, or yeast extract, a sterilization solution, such as cross-linking degree of 12% or more of a strongly acidic cation exchange resin (H + form), preferably after passed through a column SK112 or SK116, further crosslinking of 4% or less of a strongly acidic cation exchange resin (H + Type), preferably through SK102 or XUS-40232.01, each of water or a water-miscible organic solvent (the water-miscible organic solvent is
- the reduced glutathione used as a raw material a commercially available product is used, or a known method (for example, Japanese Patent Publication No. 44-239, Japanese Patent Publication No. 46-4755, Japanese Patent Publication No. 46-2838, or Japanese Patent Publication No. Sho 61-61). According to the method described in JP-74595), an aqueous solution containing a reduced glutathione obtained by a synthesis method, a fermentation method, or an extraction method from yeast, a purified solution, or a lyophilized powder can be used. 2.
- the oxidized glutathione-containing aqueous solution obtained in (1) is adjusted with hydrochloric acid or sulfuric acid, or a sodium hydroxide aqueous solution, if necessary, so that the pH value becomes, for example, 2.5 to 3.5, and then the aqueous solution is ⁇ 20
- Cooling crystallization is carried out by standing or stirring at a temperature between -15 ° C, preferably 0-10 ° C for 1 minute to 48 hours, more preferably 1-24 hours. Crystallization can be similarly achieved by lowering the temperature to 1 minute to 48 hours, preferably 1 to 24 hours.
- crystals of oxidized glutathione hexahydrate can also be precipitated by adding or dropping a solvent selected from alcohols and ketones to an oxidized glutathione-containing aqueous solution during cooling crystallization.
- a solvent selected from alcohols and ketones include ethanol, propanol, n-propanol, and isopropyl alcohol
- examples of the ketone solvent include acetone and methyl ethyl ketone.
- the amount of the solvent added is 0.1 to 100 times, preferably 0.1 to 10 times, and more preferably 0.1 to 3 times that of the oxidized glutathione-containing aqueous solution 1.
- the above amount of the solvent can be dropped over 1 minute to 10 hours, preferably 1 to 7 hours.
- seed crystals may be added as necessary, regardless of whether a solvent is added or added dropwise.
- the seed crystal can be added to a concentration of 0.001 to 50 g / L, preferably 0.01 to 5 g / L.
- the final concentration should be added to the above concentration. Can do.
- the precipitated crystals are separated using, for example, centrifugal filtration, decantation, etc., and after washing the crystals with water or a water-miscible organic solvent, the crystals obtained under reduced pressure or ventilation are dried to obtain oxidized glutathione / Hexahydrate crystals can be obtained. Further, it can be further purified by performing operations such as washing, drying and recrystallization.
- Oxidized glutathione hexahydrate crystals obtained by the above production method may be obtained as adducts with various water-miscible organic solvents, but these adducts with various water-miscible organic solvents are also crystals of the present application. Contained in
- the oxidized glutathione hexahydrate crystals obtained by the above production method may have different crystal forms or different particle sizes, and these may be obtained alone or as a mixture. However, these different crystal forms or different particle sizes, alone or as a mixture, are also included in the crystals of the present application.
- the storage stability (hygroscopicity) of the oxidized glutathione crystals of the present invention will be specifically described with reference to test examples.
- the oxidized glutathione lyophilized powder was followed for hygroscopicity under conditions of 23 ° C., normal pressure, and humidity 70%.
- the oxidized glutathione lyophilized powder obtained in Reference Example 1 significantly absorbed moisture and deliquesced after 2 days.
- the oxidized glutathione hexahydrate crystals obtained in Example 3 were found to be extremely stable with little change in the water content.
- oxidized glutathione 55.5 L, oxidized glutathione-containing concentration: 14.4 g / L.
- This sterilization solution is passed through Diaion SK116 (22L) and then passed through Dowex XUS-40232.01 (13L) to adsorb oxidized glutathione, and an aqueous ammonia solution (20 L, concentration: 2 mol / L).
- oxidized glutathione 55.5 L, oxidized glutathione-containing concentration: 14.4 g / L.
- This sterilization solution is passed through Diaion SK116 (22L) and then passed through Dowex XUS-40232.01 (13L) to adsorb oxidized glutathione, and an aqueous ammonia solution (20 L, concentration: 2 mol / L).
- the eluate was passed through Diaion SK116 (7 L) to make it free, and ammonia was removed to obtain an oxidized glutathione-containing aqueous solution (19 L, oxidized glutathione-containing concentration: 35.4 g / L).
- Activated carbon 130 g was added to the aqueous solution and stirred at 40 ° C. for 1 hour, and then the activated carbon was removed by filtration.
- the obtained filtrate was concentrated to 2.24 L (oxidized glutathione-containing concentration: 300 g / L) and then cooled to 5 ° C. Crystals (13 g) obtained according to the method described in Example 1 were added as seed crystals to the concentrate, and then methanol (4.6 L) was added over 5 hours for crystallization.
- oxidized glutathione hexahydrate crystals (610 g).
- Reference example 1 Acquisition of freeze-dried oxidized glutathione powder 4.8 g of reduced glutathione obtained according to the method described in JP-A-5-146279 was dissolved in water (24 mL), and the resulting aqueous solution containing reduced glutathione was added to water. After adjusting to pH 7.5 with an aqueous sodium oxide solution, the mixture was stirred in the presence of copper sulfate.
- the reaction solution was passed through Diaion SK116 (32 mL) and Duolite C467 (4 mL, manufactured by Sumitomo Chemical Co., Ltd.), the treatment solution was concentrated, and an oxidized glutathione-containing aqueous solution (11 mL, oxidized glutathione-containing concentration: 300 g). / L). This aqueous solution was freeze-dried to obtain 3.0 g of freeze-dried powder of oxidized glutathione.
- the present invention provides a method for producing oxidized glutathione crystals that are useful as products, raw materials, or intermediates for products such as health foods, pharmaceuticals, and cosmetics, and oxidized glutathione crystals that are suitable for mass synthesis or industrialization.
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Abstract
Description
また、酸化型グルタチオン8水和物の結晶は、結晶中に含有される水含量が一定せず、安定性が悪い点、結晶を取得するのに3-4日間という長期間を要する点が問題であり、酸化型グルタチオン1水和物の結晶は、針状結晶であり凝集しやすいため結晶分離性が悪いという点、不純物の淘汰性(精製能力)が悪い点、および結晶成長速度が遅い点において改善の余地があることが知られている。
(1)酸化型グルタチオン・6水和物の結晶。
(2)粉末X線回折において、回折角(2θ)が、8.12°、9.70°、10.62°、12.44°、14.20°、16.22°、16.38°、17.90°、18.90°、19.52°、20.26°、21.32°、21.60°、22.82°、23.34°、24.40°24.72°、24.98°、25.56°、26.18°、26.68°、27.20°、28.32°、29.00°、29.66°、31.02°、31.58°、32.20°、32.72°、32.88°、34.48°および41.56°にピークを有する酸化型グルタチオン・6水和物の結晶。
(3)酸化型グルタチオン含有水溶液を15℃以下に冷却することにより酸化型グルタチオン・6水和物の結晶を析出させた後、該水溶液から酸化型グルタチオン・6水和物の結晶を採取することを特徴とする上記(1)または(2)の酸化型グルタチオン・6水和物の結晶の製造方法。
(4)15℃以下の酸化型グルタチオン含有水溶液にアルコール類およびケトン類からなる群より選ばれる溶媒を添加または滴下する工程を含むことを特徴とする上記(1)または(2)の酸化型グルタチオン・6水和物の結晶の製造方法。
(5)15℃以下の酸化型グルタチオン含有水溶液にメタノール、エタノール、n-プロパノールおよびイソプロピルアルコールからなる群より選ばれる溶媒を添加または滴下する工程を含むことを特徴とする上記(1)または(2)の酸化型グルタチオン・6水和物の結晶の製造方法。
(6)15℃以下の酸化型グルタチオン含有水溶液にメタノールを添加または滴下する工程を含むことを特徴とする上記(1)または(2)の酸化型グルタチオン・6水和物の結晶の製造方法。
(7)酸化型グルタチオン含有水溶液が、酸化型グルタチオンを含有する溶液を合成吸着樹脂処理またはイオン交換樹脂処理することにより得られる水溶液である上記(3)~(6)のいずれかの製造方法。
(8)上記(3)~(7)のいずれかの製造方法により得られる酸化型グルタチオン・6水和物の結晶。
また、酸化型グルタチオン含有水溶液としては、含有される酸化型グルタチオンの濃度が50~700g/Lである水溶液が好ましい。中でも100~400g/Lである水溶液が好ましく、これらは、適宜例えば濃縮等により調製される。
合成吸着樹脂としては、例えば非極性で多孔質の吸着樹脂等があげられ、具体的にはダイヤイオンHPシリーズ(例えば、HP10、HP20、HP21、HP30、HP40、HP50等;三菱化学製)、ダイヤイオンSP800シリーズ(例えば、SP800、SP825、SP850、SP875等;三菱化学製)、ダイヤイオンSP200シリーズ(例えば、SP205、SP206、SP207、SP207SS等;三菱化学製)、アンバーライトXADシリーズ(例えば、XAD4、XAD7HP、XAD16、XAD1600等;ローム アンド ハース社製)等があげられる。中でも、SP207が好ましい。
強塩基性アニオン交換樹脂としては、例えばダイヤイオンPAシリーズ(例えば、PA306、PA312、PA412等;三菱化学製)等があげられ、弱塩基性アニオン交換樹脂としては、例えばダイヤイオンWAシリーズ(例えば、WA10、WA20、WA30等;三菱化学製)等があげられる。
1.酸化型グルタチオン含有水溶液の調製
特開平5-146279号公報、または特開平7-177896号公報等に記載の方法に準じて、還元型グルタチオンを、例えば酸素、過酸化水素、アスコルビン酸を酸化する酵素等で酸化し、酸化型グルタチオンを含有する水溶液、培養液、酵母からの抽出液、除菌液等を得る。これを溶解成分中の酸化型グルタチオンの純度が例えば50%以上、好ましくは70%以上になるように必要に応じて前処理に付すことができる。
2.酸化型グルタチオン・6水和物の結晶の製造方法
1.で得られた酸化型グルタチオン含有水溶液を、必要に応じて塩酸もしくは硫酸、または水酸化ナトリウム水溶液等でpH値が例えば2.5~3.5となるように調整した後、該水溶液を-20~15℃、好ましくは0~10℃の間の温度に1分間~48時間、より好ましくは1~24時間静置または攪拌することにより冷却晶析を行う。また当該温度に1分間~48時間、好ましくは1~24時間かけて下げることでも同様に晶析することができる。
アルコール類の溶媒としては、エタノール、プロパノール、n-プロパノールおよびイソポロピルアルコール等をあげることができ、ケトン類の溶媒としては、アセトンおよびメチルエチルケトン等をあげることができる。
冷却晶析を行う際、溶媒を添加または滴下するしないにかかわらず、必要に応じて種晶を添加してもよい。種晶の添加量としては0.001~50g/L、好ましくは0.01~5g/Lの濃度になるように添加でき、滴下する場合は最終濃度が上記の濃度になるように滴下することができる。
上記製造方法で得られる酸化型グルタチオン6水和物の結晶は、各種水混和性有機溶媒との付加物として得られることもあるが、これら各種水混和性有機溶媒との付加物も本願の結晶に含有される。
次に、本発明の酸化型グルタチオンの結晶の保存安定性(吸湿性)を試験例により具体的に説明する。
試験例:酸化型グルタチオン・6水和物の結晶と酸化型グルタチオン凍結乾燥粉末との吸湿性の比較
実施例3で得られた酸化型グルタチオン・6水和物の結晶と参考例1で得られた酸化型グルタチオン凍結乾燥粉末について、23℃、常圧、湿度70%の条件下での吸湿性を追跡した。 その結果、参考例1で得られた酸化型グルタチオン凍結乾燥粉末は、著しく吸湿し、2日後には潮解した。これに対して、実施例3で得られた酸化型グルタチオン・6水和物の結晶では、含有水分量の変化はほとんどみられず、極めて安定であることが判った。
参考例1で得られた酸化型グルタチオン凍結乾燥粉末(3.0g)を水に溶解し、酸化型グルタチオン含有水溶液(30mL、酸化型グルタチオン含有濃度:100g/L)を調製した。この水溶液を5℃で48時間静置して、結晶を析出させた。析出した結晶を濾過により分離して、通風乾燥することにより酸化型グルタチオン・6水和物の結晶(1.0g)を得た。なお、該結晶が6水和物であることは、単結晶X線構造解析によっても確認した。
水和数:6水和物
融点:191℃
粉末X線回折[回折角(2θ°)、()内は相対強度比(I/I0)を示す]:8.12°(100)、9.70°(33)、10.62°(43)、12.44°(14)、14.20°(13)、16.22°(71)、16.38°(22)、17.90°(18)、18.90°(9)、19.52°(76)、20.26°(17)、21.32°(13)、21.60°(22)、22.82°(41)、23.34°(26)、24.40°(34)、24.72°(23)、24.98°(33)、25.56°(12)、26.18°(18)、26.68°(34)、27.20°(9)、28.32°(12)、29.00°(13)、29.66°(11)、31.02°(10)、31.58°(10)、32.20°(9)、32.72°(11)、32.88°(12)、34.48°(18)および41.56°(13)
上記で得られた酸化型グルタチオン・6水和物の飽和溶解度を酸化型グルタチオン・1水和物と比較した結果を表1に示す。
参考例1で得られた酸化型グルタチオン凍結乾燥粉末(10.0g)を水に溶解し、酸化型グルタチオン含有水溶液(33mL、酸化型グルタチオン含有濃度:300g/L)を調製した。この水溶液を5℃に冷却し、実施例1で得られた結晶(0.1g)を種晶として添加した。この溶液にメタノール(66mL)を5時間かけて添加し、晶析を行った。晶析液を1時間熟成した後、析出した結晶を濾過により分離して、通風乾燥することにより酸化型グルタチオン・6水和物の結晶(8.5g)を得た。
特開昭61-74595号公報の実施例2に記載の方法に準じて得られた還元型グルタチオンを含有する水溶液を、特開平5-146279号公報に記載の方法に準じて、水酸化ナトリウム水溶液でpH7.5に調整した後、系内に酸素を吹き込んで酸化し、酸化型グルタチオン含有水溶液(48.1L、酸化型グルタチオン含有濃度:18.0g/L)を得た。
該濃縮液に実施例1に記載の方法に準じて得られる結晶(13g)を種晶として添加した後、メタノール(4.6L)を5時間かけて添加し、晶析を行った。析出した結晶を濾過により分離し、通風乾燥することにより酸化型グルタチオン・6水和物の結晶(610g)を得た。
参考例1
酸化型グルタチオン凍結乾燥粉末の取得
特開平5-146279号公報に記載の方法に準じて得られた還元型グルタチオン4.8gを水(24mL)に溶解し、得られた還元型フルタチオン含有水溶液を水酸化ナトリウム水溶液でpH7.5に調整した後、硫酸銅存在下で攪拌した。反応液をダイヤイオンSK116(32mL)およびデュオライトC467(4mL、住友化学工業(株)製)に通塔し、処理液を濃縮して酸化型グルタチオン含有水溶液(11mL、酸化型グルタチオン含有濃度:300g/L)を得た。この水溶液を凍結乾燥して、酸化型グルタチオンの凍結乾燥粉末3.0gを得た。
Claims (8)
- 酸化型グルタチオン・6水和物の結晶。
- 粉末X線回折において、回折角(2θ)が、8.12°、9.70°、10.62°、12.44°、14.20°、16.22°、16.38°、17.90°、18.90°、19.52°、20.26°、21.32°、21.60°、22.82°、23.34°、24.40°24.72°、24.98°、25.56°、26.18°、26.68°、27.20°、28.32°、29.00°、29.66°、31.02°、31.58°、32.20°、32.72°、32.88°、34.48°および41.56°にピークを有する酸化型グルタチオン・6水和物の結晶。
- 酸化型グルタチオン含有水溶液を15℃以下に冷却することにより酸化型グルタチオン・6水和物の結晶を析出させた後、該水溶液から酸化型グルタチオン・6水和物の結晶を採取することを特徴とする請求項1または2記載の酸化型グルタチオン・6水和物の結晶の製造方法。
- 15℃以下の酸化型グルタチオン含有水溶液にアルコール類およびケトン類からなる群より選ばれる溶媒を添加または滴下する工程を含むことを特徴とする請求項1または2記載の酸化型グルタチオン・6水和物の結晶の製造方法。
- 15℃以下の酸化型グルタチオン含有水溶液にメタノール、エタノール、n-プロパノールおよびイソプロピルアルコールからなる群より選ばれる溶媒を添加または滴下する工程を含むことを特徴とする請求項1または2記載の酸化型グルタチオン・6水和物の結晶の製造方法。
- 15℃以下の酸化型グルタチオン含有水溶液にメタノールを添加または滴下する工程を含むことを特徴とする請求項1または2記載の酸化型グルタチオン・6水和物の結晶の製造方法。
- 酸化型グルタチオン含有水溶液が、酸化型グルタチオンを含有する溶液を合成吸着樹脂処理またはイオン交換樹脂処理することにより得られる水溶液である請求項3から6のいずれかに記載の製造方法。
- 請求項3から7のいずれかに記載の製造方法により得られる酸化型グルタチオン・6水和物の結晶。
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| US13/642,356 US9000126B2 (en) | 2010-04-21 | 2011-04-21 | Crystalline oxidized glutathione and production method therefor |
| EP11772056.5A EP2562179B1 (en) | 2010-04-21 | 2011-04-21 | Crystalline oxidized glutathione and production method therefor |
| KR1020127027388A KR101893621B1 (ko) | 2010-04-21 | 2011-04-21 | 산화형 글루타티온의 결정 및 이의 제조 방법 |
| PH1/2012/502101A PH12012502101A1 (en) | 2010-04-21 | 2011-04-21 | Crystalline oxidized glutathione and production method therefor |
| JP2012511692A JP5903040B2 (ja) | 2010-04-21 | 2011-04-21 | 酸化型グルタチオンの結晶およびその製造方法 |
| CN201180020197.XA CN102869674B (zh) | 2010-04-21 | 2011-04-21 | 氧化型谷胱甘肽的晶体及其制造方法 |
| US14/635,566 US9243029B2 (en) | 2010-04-21 | 2015-03-02 | Crystalline oxidized glutathione and production method therefor |
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| US13/642,356 A-371-Of-International US9000126B2 (en) | 2010-04-21 | 2011-04-21 | Crystalline oxidized glutathione and production method therefor |
| US14/635,566 Continuation US9243029B2 (en) | 2010-04-21 | 2015-03-02 | Crystalline oxidized glutathione and production method therefor |
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| EP (1) | EP2562179B1 (ja) |
| JP (1) | JP5903040B2 (ja) |
| KR (1) | KR101893621B1 (ja) |
| CN (1) | CN102869674B (ja) |
| MY (1) | MY160524A (ja) |
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| WO2017159555A1 (ja) | 2016-03-17 | 2017-09-21 | 協和発酵バイオ株式会社 | 還元型グルタチオンの結晶及びその製造方法 |
| WO2018117186A1 (ja) * | 2016-12-20 | 2018-06-28 | 協和発酵バイオ株式会社 | グルタチオントリスルフィド・2水和物の結晶及びその製造方法 |
| JP2018168103A (ja) * | 2017-03-30 | 2018-11-01 | 株式会社カネカ | グルタチオン含有組成物の製造方法 |
| WO2018225790A1 (ja) | 2017-06-08 | 2018-12-13 | 協和発酵バイオ株式会社 | 酸化型グルタチオン・二カチオン塩の結晶及びその製造方法 |
| US10640532B2 (en) | 2015-03-31 | 2020-05-05 | University Public Corporation Osaka | Crystal of reduced glutathione |
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| CN105566445B (zh) * | 2016-01-13 | 2021-11-02 | 浙江海正药业股份有限公司 | 一种分离纯化还原型谷胱甘肽的方法 |
| CN108129550B (zh) * | 2017-12-21 | 2021-07-02 | 广州白云山天心制药股份有限公司 | 一种还原型谷胱甘肽的晶型及其制备方法 |
| CN110606868A (zh) * | 2018-10-30 | 2019-12-24 | 中国科学院化学研究所 | 一种制备多肽或蛋白质单晶或无定型物的方法 |
| CN116120393A (zh) * | 2021-12-21 | 2023-05-16 | 沈阳兴齐眼药股份有限公司 | 一种氧化型谷胱甘肽及其晶型和杂质的制备方法 |
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| US10640532B2 (en) | 2015-03-31 | 2020-05-05 | University Public Corporation Osaka | Crystal of reduced glutathione |
| WO2017159555A1 (ja) | 2016-03-17 | 2017-09-21 | 協和発酵バイオ株式会社 | 還元型グルタチオンの結晶及びその製造方法 |
| WO2018117186A1 (ja) * | 2016-12-20 | 2018-06-28 | 協和発酵バイオ株式会社 | グルタチオントリスルフィド・2水和物の結晶及びその製造方法 |
| CN110088118A (zh) * | 2016-12-20 | 2019-08-02 | 协和发酵生化株式会社 | 三硫化谷胱甘肽二水合物的晶体及其制造方法 |
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| US11186610B2 (en) | 2016-12-20 | 2021-11-30 | Kyowa Hakko Bio Co., Ltd. | Crystal of glutathione trisulfide dihydrate and method for producing same |
| JP7028795B2 (ja) | 2016-12-20 | 2022-03-02 | 協和発酵バイオ株式会社 | グルタチオントリスルフィド・2水和物の結晶及びその製造方法 |
| CN110088118B (zh) * | 2016-12-20 | 2023-04-04 | 协和发酵生化株式会社 | 三硫化谷胱甘肽二水合物的晶体及其制造方法 |
| JP2018168103A (ja) * | 2017-03-30 | 2018-11-01 | 株式会社カネカ | グルタチオン含有組成物の製造方法 |
| WO2018225790A1 (ja) | 2017-06-08 | 2018-12-13 | 協和発酵バイオ株式会社 | 酸化型グルタチオン・二カチオン塩の結晶及びその製造方法 |
| US11407787B2 (en) | 2017-06-08 | 2022-08-09 | Kyowa Hakko Bio Co., Ltd. | Crystal of oxidized glutathione dication salt and production method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102869674A (zh) | 2013-01-09 |
| US9000126B2 (en) | 2015-04-07 |
| US20130035470A1 (en) | 2013-02-07 |
| EP2562179A4 (en) | 2014-01-22 |
| EP2562179A1 (en) | 2013-02-27 |
| KR101893621B1 (ko) | 2018-08-30 |
| JP5903040B2 (ja) | 2016-04-13 |
| PH12012502101A1 (en) | 2016-12-14 |
| JPWO2011132724A1 (ja) | 2013-07-18 |
| EP2562179B1 (en) | 2018-03-14 |
| US20150175653A1 (en) | 2015-06-25 |
| CN102869674B (zh) | 2015-07-22 |
| US9243029B2 (en) | 2016-01-26 |
| MY160524A (en) | 2017-03-15 |
| KR20130062913A (ko) | 2013-06-13 |
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