# 1245: OTEB-MEDIUM ## Main sol. 1245 5 g Proteose peptone no. 2 5 g Heart Infusion Broth 5 g Yeast extract 2 g Potassium Phosphate, dibasic 5 g Sodium Chloride 0.1 g Magnesium sulfate 1.6 ml Acetic acid 0.6 ml Propionic acid 0.4 ml n-Butyric acid 0.1 ml n-Valeric acid 0.1 ml Isovaleric acid 0.1 ml Isobutyric acid 0.1 ml 2-Methylbutyric acid 0.1 ml Vitamin K1 (1% soln) 0.5 g L-Cysteine 100 ml Fetal bovine serum, inactivated 100 ml **Sugar Stock Solution** 800 ml Distilled water 1. OTEB-medium is available from Anaerobe Systems (http://www.anaerobesystems.com) 2. The following text was taken from the above page: - ORAL TREPONEME ENRICHMENT BROTH (OTEB) - Products: AS-603 Oral Treponeme Enrichment Broth (OTEB) 10 tubes / pkg 3. Intended Use: OTEB is an enriched medium for the isolation, cultivation and maintenance of Treponemes found as part of the oral flora. 4. OTEB is a complex peptone-yeast extract medium containing volatile fatty acids and serum for a source of long chain fatty acids. Volatile fatty acids and serum are necessary nutrients for recovery of Treponemes from the oral flora. Inoculation of the medium can be done using a gassing cannula or inside an anaerobic chamber. This medium is prepared, stored and dispensed under oxygen-free conditions to prevent the formation of oxidized products prior to use. 5. Final pH 7.0 +/- 0.2 at 25 degrees C. 6. Final volume 7.0 ml +/- 0.7. ## Sugar Stock Solution 8 g Glucose 8 g Fructose 8 g Sucrose 8 g Maltose 8 g Maltose 8 g Ribose 8 g Xylose 8 g Pectin 8 g Starch (soluble) 8 g Sodium pyruvate 750 µg Thiamine pyrophosphate 1000 ml Distilled water