# 338: CAMPYLOBACTER RECTUS MEDIUM ## Main sol. 338 3 g Beef extract (Difco) 9 g Trypticase (BBL) 11 g Yeast extract 2 g NaCl 0.4 g Na2HPO4 0.25 g Na2CO3 5 mg Haemin 2 g Na-formate 3 g Na-fumarate 1 mg Resazurin 1000 ml Distilled water 1. Adjust pH to 7.5. Prepare the medium anaerobically under 100% N2. 2. Autoclave solutions of haemin (dissolved in 0.1 ml 1N NaOH, then diluted with water to 10 ml and neutralized), formate, and fumarate separately under nitrogen.