| Bacto Yeast Extract (Difco) | 5 | g | | Hipolypepton* | 5 | g | | Tween 80 | 0.025 | g | | Salts solution** | 5 | ml | | Vitamin solution*** | 10 | ml | | Trace element solution SL-10**** | 1 | ml | | Na2S·9H2O | 0.5 | g | | Resazurin | 1 | mg | | Distilled water | 1 | L | | pH 6.0 | | | | | Mix ingredients except for vitamins and sulfide, and autoclave under a N2 atmosphere. Separately autoclave Na2S·9H2O solution under a N2 atmosphere. Sterilize vitamin solution by filtration. Prior to inoculation, aseptically and anaerobically add them. | | | | | | | | | | *Wako Pure Chemical Ind., Ltd., Osaka, Japan. | | | | | | | | | | **Salts solution | | | | MgSO4·7H2O | 40 | g | | | | MnSO4·4H2O | 2 | g | | | | FeSO4·7H2O | 2 | g | | | | NaCl | 2 | g | | | | Distilled water | 1 | L | | | | | | | | | | ***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 | 0.1 | mg | | | | p-Aminobenzoic acid | 5 | mg | | | | Lipoic acid | 5 | mg | | | | Distilled water | 1 | L | | | | | | | | | | ****Trace element solution SL-10 | | | | HCl (25%; 7.7 M) | 10 | ml | | | | FeCl2·4H2O | 1.5 | g | | | | ZnCl2 | 7 | mg | | | | MnCl2·4H2O | 100 | mg | | | | H3BO3 | 6 | mg | | | | CoCl2·6H2O | 190 | mg | | | | CuCl2·2H2O | 2 | mg | | | | NiCl2·6H2O | 24 | mg | | | | Na2MoO4·2H2O | 36 | mg | | | | Distilled water | 990 | ml |
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