性状  称取本品41.5g，加入蒸馏水或去离子水1 L，煮沸加热，不需高压蒸汽灭菌。Suspend 41.5 g in 1 L of distilled or deionized water.Heat boil to dissolve completely.Do not autoclave.
   
备注:  以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。
质量标准  
   蛋白胨Peptone.............................7g
酵母膏粉Yeast extract.....................3g
乳糖Lactose...............................10g
氯化钠Sodium chloride.....................5g
3号胆盐Bile salts No.3....................1.5g
中性红Neutral red.........................0.03g
结晶紫Crystal violet......................0.002g
琼脂Agar..................................15g
最终pH Final pH...........................7.4±0.2

有效期：三年 Period of validity:Three years.
贮存  旋紧瓶盖，贮存于避光、阴凉干燥处。Keep container tightly closed,store in a cool,dry place,away from bright light.
用途  用于水或食品中大肠菌群平板菌落计数。For enumerating Coliform bacteria in water and food.