葡萄糖胰蛋白胨琼脂
用 途:用于乳与乳制品中嗜热需氧芽孢的培养计数。
•产品出处:NY_T 1331-2007《 乳与乳制品中嗜冷菌、需氧芽孢及嗜热需氧芽孢数的测定》标准
葡萄糖胰蛋白胨琼脂 配方(每升):
胰蛋白胨 |
10.0g |
葡萄糖 |
5.0g |
溴甲酚紫 |
0.04g |
琼脂 |
15.0g |
终pH |
6.9±0.1 |
使用方法:称取葡萄糖胰蛋白胨琼脂30g,加入蒸馏水或去离子水1000毫升,搅拌加热煮沸至完全溶解, 121℃高压灭菌15min。冷却至45℃,备用。
贮 存:旋紧瓶盖,贮存于避光、阴凉干燥处。
有 效 期:三年
规 格:250g
Usage: For milk and dairy products thermophilic aerobic spore count.
Approximative Formula(Per Liter)
Tryptone |
10.0g |
Dextrose |
5.0g |
Agar |
15.0g |
Bromcresol Purple |
0.04g |
Final pH |
6.9±0.1 |
Directions: Suspend 30g in 1 L of distilled or deionized water. Heat with frequent agitation and boil to completely dissolve the powder. Autoclave at 121℃ for 15 minutes.
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light.
Period of validity: Three years