JP6931879B2 - 酸化型コエンザイムq10の発酵生産方法、及びそれにより製造された酸化型高含有コエンザイムq10 - Google Patents
酸化型コエンザイムq10の発酵生産方法、及びそれにより製造された酸化型高含有コエンザイムq10 Download PDFInfo
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- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
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Description
生産菌の発酵過程において、発酵液の酸化還元電位ORPを−50〜300mVに制御し、好ましくは、発酵液の酸化還元電位ORPを50〜200mVに制御することを特徴とする、酸化型コエンザイムQ10の発酵生産方法。
受託番号はCGMCC No.5997、CGMCC No.5998、CGMCC No.5999であり、受託機関は中国微生物菌種受託管理委員会普通微生物センターであり、受託機関のアドレスは北京市朝陽区北辰西路1号院3号中国科学院微生物研究所であり、受託日は2012年4月13日であり、公開特許はCN105420417(A)であり、公開日は2016年03月23日である。
菌種:ロドバクター・スフェロイデス(Rhodobacter sphaeroides)で、受託番号がCGMCC No.5997、CGMCC No.5998、又はCGMCC No.5999である菌株。
30℃で、種培養から得られたロドバクター・スフェロイデス菌株CGMCCNo.5998を、発酵培地が添加された5Lの発酵タンクに50ml接種して発酵を開始し、発酵タンクの酸素供給条件として、発酵液単位体積当たりの空気導入量を1.0vvmに制御し、単位体積当たりの攪拌動力を0.25kw/m3に制御し、発酵タンクの内圧を0.1MPaに制御しながら、液体アンモニアを流加して発酵液のpH値を7.0程度に制御した。
30℃で、種培養から得られたロドバクター・スフェロイデス菌株CGMCC No.5999を、発酵培地が添加された5Lの発酵タンクに40ml接種して発酵を開始した(発酵タンクの発酵液の単位体積あたりの空気導入量を0.45vvmに制御し、単位体積あたりの撹拌動力を0.1kw/m3に制御し、タンク圧を0.02MPaに制御した)。発酵液の電気伝導率は12ms/cmであり、pH値は7.0程度に制御した。
30℃で、種培養から得られたロドバクター・スフェロイデス菌株CGMCC No.5997を、発酵培地が添加された10Lの発酵タンクに90ml接種して発酵を開始した(発酵タンクの発酵液の単位体積あたりの空気導入量を0.6vvmに制御し、単位体積あたりの撹拌動力を0.1kw/m3に制御し、タンク圧を0.02MPaに制御した)。発酵液の電気伝導率は12ms/cmであり、pH値は7.0程度に制御した。
1)30℃で、種培養から得られたロドバクター・スフェロイデス菌株CGMCC No.5999を、発酵培地が添加された10Lの発酵タンクに120ml接種して発酵を開始した(発酵タンクの発酵液の単位体積あたりの空気導入量を0.4vvmに制御し、単位体積あたりの撹拌動力を0.1kw/m3に制御し、タンク圧を0.02MPaに制御した)。酸素消費速度を50mmol/(L・h)に制御し、発酵液の電気伝導率は12ms/cmであり、pH値は7.0程度に制御した。
Claims (13)
- 受託番号CGMCC No.5997のロドバクター・スフェロイデス菌株、受託番号CGMCC No.5998のロドバクター・スフェロイデス菌株、及び受託番号CGMCC No.5999のロドバクター・スフェロイデス菌株からなる群より選ばれるメンバーを含む発酵液の酸化還元電位ORPを、発酵タンクの単位体積あたりの撹拌動力を0.25〜0.50kw/m3に制御する方式と、発酵タンクにおける発酵液の単位体積あたりの空気導入量を1.0〜15.0vvmに制御する方式と、発酵タンクの内圧を0.05〜0.3MPaに制御する方式との少なくとも1つによって、−50〜300mVに制御すること、及び
pH値が7.0であり1Lあたり0.013〜0.025gのビオチンを含む流加培地を、前記発酵液に加えることによって、前記発酵液の電気伝導率を5.0〜30.0ms/cmに維持すること、を含む、
発酵タンクにおける酸化型コエンザイムQ10の発酵生産方法。 - 発酵液の溶存酸素の量を調節する方式と、発酵液のpHを制御する方式の少なくとも一方により、
発酵液の酸化還元電位ORPを制御する、
請求項1に記載のコエンザイムQ10の発酵生産方法。 - 前記発酵液のpHを3.5〜6.0に制御することによって前記発酵液のpHを制御する、
請求項2に記載のコエンザイムQ10の発酵生産方法。 - 発酵過程におけるコエンザイムQ10の合成・蓄積段階において発酵液のORPを制御する、
請求項1に記載のコエンザイムQ10の発酵生産方法。 - 前記コエンザイムQ10が、酸化型高含有コエンザイムQ10である、
請求項1に記載のコエンザイムQ10の発酵生産方法。 - 生産菌の発酵過程において、発酵液の酸化還元電位ORPを50〜200mVに制御する、
請求項1に記載のコエンザイムQ10の発酵生産方法。 - 前記発酵タンクの単位体積あたりの撹拌動力が0.30〜0.40kw/m3であり、前記発酵液の単位体積あたりの空気導入量が5.0〜8.0vvmであり、及び/又は、前記発酵タンクの内圧が0.08〜0.15MPaである、
請求項1に記載のコエンザイムQ10の発酵生産方法。 - 前記発酵液のpHを4.0〜5.0に制御することによって前記発酵液のpHを制御する、
請求項3に記載のコエンザイムQ10の発酵生産方法。 - 酸又はアルカリを段階的又は連続的に添加することによって前記発酵液のpHを制御する、
請求項3に記載のコエンザイムQ10の発酵生産方法。 - 前記酸がリン酸、塩酸、硫酸、乳酸、プロピオン酸、クエン酸、及びシュウ酸のうちの1種又は2種以上であり、及び/又は、前記アルカリがアンモニア水、水酸化ナトリウム、および液体アンモニアのうちの1種又は2種以上である、
請求項9に記載のコエンザイムQ10の発酵生産方法。 - 前記酸がリン酸、乳酸、又はクエン酸であり、及び/又は、前記アルカリがアンモニア水、又は液体アンモニアである、
請求項10に記載のコエンザイムQ10の発酵生産方法。 - 発酵過程におけるコエンザイムQ10の合成・蓄積段階の中期又は後期において発酵液のORPを制御する、
請求項4に記載のコエンザイムQ10の発酵生産方法。 - 菌の成長段階において、酸素消費速度を30〜150mmol/(L・h)に制御し、かつ前記発酵液の電気伝導率を5.0〜30.0ms/cmに制御する、及び/又は、
コエンザイムQ10の合成・蓄積段階において、酸素消費速度を60〜120mmol/(L・h)に制御し、かつ前記発酵液の電気伝導率を8.0〜15.0ms/cmに制御する、
請求項1に記載のコエンザイムQ10の発酵生産方法。
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