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Medium No.	905
Medium	M medium (EBR45)
Composition
KH2PO4 0.4 g   K2HPO4·3H2O 0.4 g   NH4Cl 1 g   MgCl2·6H2O 0.1 g   Yeast extract 0.2 g   NaHCO3 6 g   Cysteine-HCl 0.5 g   Na2S·9H2O 0.25 g   Resazurin 1 mg   Cellulose (or Cellobiose) 10 g   Vitamin solution* 10 ml   Mineral solution** 10 ml   Distilled water 1 L   pH 7.5       Mix ingredients except cysteine-HCl, Na2S·9H2O and vitamin solution, distribute the medium into culture vessels under a stream of N2/CO2 (80/20) gas (or N2 gas), and seal with butyl rubber stoppers. After autoclaving (121°C, 15 min), aseptically inject other ingredients. The pH is adjusted to 7.5 by adding of sterile 0.6 N H2SO4 with a syringe without opening the vessel.                   *Vitamin solution       Biotin 2 mg       Folic acid 2 mg       Pyridoxine-HCl 10 mg       Thiamine-HCl 5 mg       Riboflavin 5 mg       Nicotinic acid 5 mg       Ca-pantothenate 5 mg       Vitamin B12 1 mg       p-Aminobenzoic acid 5 mg       Lipoic acid 5 mg       Distilled water 1 L                   **Mineral solution       Nitrilotriacetic acid (NTA) 4.5 g       FeCl2·4H2O 0.4 g       CoCl2·6H2O 0.12 g       AlK(SO4)2 0.01 g       NaCl 1 g       CaCl2 0.02 g       Na2MoO4·2H2O 0.01 g       MnCl2·4H2O 0.1 g       ZnCl2 0.1 g       H3BO3 0.01 g       CuSO4·5H2O 0.01 g       NiCl2·6H2O 0.02 g       Distilled water 1 L
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