# 738: BPHD Medium ## Main sol. 738 1 g NH4Cl 0.42 g Na2HPO4 x 2 H2O 0.18 g Na2HPO4 x H2O 0.1 g MgCl2 x 6 H2O 0.1 g CaCl2 x 2 H2O 0.1 g KCl 0.04 g FeSO4 x 7 H2O 10 ml **Wolin's vitamin solution** 10 ml **Modified Wolin's mineral solution** 1000 ml Distilled water 1 mM Cresol 1. Dissolve phosphates separately, Adjust pH to 6.5. Add cresol/phenol and vitamin solution after autoclaving. 2. (e.g.: 20 ml/l of a 4.7 g/l phenol-solution) ## Wolin's vitamin solution 2 mg Biotin 2 mg Folic acid 10 mg Pyridoxine hydrochloride 5 mg Thiamine HCl 5 mg Riboflavin 5 mg Nicotinic acid 5 mg Calcium D-(+)-pantothenate 0.1 mg Vitamin B12 5 mg p-Aminobenzoic acid 5 mg (DL)-alpha-Lipoic acid 1000 ml Distilled water ## Modified Wolin's mineral solution 1.5 g Nitrilotriacetic acid 3 g MgSO4 x 7 H2O 0.5 g MnSO4 x H2O 1 g NaCl 0.1 g FeSO4 x 7 H2O 0.18 g CoSO4 x 7 H2O 0.1 g CaCl2 x 2 H2O 0.18 g ZnSO4 x 7 H2O 0.01 g CuSO4 x 5 H2O 0.02 g AlK(SO4)2 x 12 H2O 0.01 g H3BO3 0.01 g Na2MoO4 x 2 H2O 0.03 g NiCl2 x 6 H2O 0.3 mg Na2SeO3 x 5 H2O 0.4 mg Na2WO4 x 2 H2O 1000 ml Distilled water 1. First dissolve nitrilotriacetic acid and adjust pH to 6.5 with KOH, then add minerals. Adjust final to pH 7.0 with KOH.