Tryptone Yeast Cystine Medium

Product Introduction: Bacitracin 0. 2U/ml could be added to isolate Streptococcus sanguinis to increase the selectivity. It is also used to prepare Streptococcus mutans isolation medium. Preparation Method: Weigh 98. 0 g of this product, heat and boil in 1000ml distilled water until completely dissolved, subpack, autoclave at 121℃ for 15 minutes, shake well after sterilization to prevent Agar from settling in the bottom of the vessel and coagulating. If necessary, when the medium is cooled to 50-55℃, bacitracin 0. 2U/ml can be selectively added to increase the selectivity. Composition: g/L Tryptone: 15. 0 Yeast infusion powder: 5. 0 L-cystine: 0. 2 Sodium chloride: 1. 0 dinar hydrogen phosphate: 0. 8 Sodium bicarbonate: 2. 0 Anhydrous sodium acetate: 12. 0 Sodium sulfite: 0. 1 Sucrose: 50. 0 Agar: 12. 0 pH: 7. 3±0. 2, 25℃ Note: Product information may be optimized and upgraded. Please refer to the actual label information for accuracy.