45313 TTC营养琼脂 BR 250g 135
称取本品33g，加入蒸馏水或去离子水1 L，搅拌加热煮沸至完全溶解，分装三角瓶，121℃高压灭菌15min。Suspend 33 g in 1 L of distilled or deionized water.Heat with frequent agitation and boil to completely dissolve the powder.Distribute into flasks.Autoclave at 121℃ for 15 minutes.
蛋白胨Peptone.............................10g 牛肉膏粉Beef extract......................3g 氯化钠Sodium chloride.....................5g 琼脂Agar..................................15g TTC ......................................0.01g 最终pH Final pH...........................7.3±0.2 有效期：三年 Period of validity:Three years.

供测定细菌总数用，本品能防止菌落蔓延，使菌落变红易计数。For enumerating nonfastidious bacteria,TTC restricts the size of colonies and makes colonies red.