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Bacilus Cereus Selective Agar Base

CM0057D
RT避光干燥
3年
Catalog No. Specification List Price Preferential Price VIP Beijing Harbin Shenyang Guangzhou Quantity Cart
CM0057D 250g $58.89
Product Name Bacilus Cereus Selective Agar Base
Introduction:

用途:用于蜡样芽胞杆菌的选择性分离培养。

添加剂:每瓶需配套添加12盒多粘菌素B和12盒50%卵黄乳液使用,每100ml蜡样芽孢杆菌选择性琼脂培养基基础中添加1支多粘菌素和2支50%卵黄乳液。

成分(g/L):

胰酪蛋白胨:10.0

牛肉浸粉:1.0

D-甘露醇:10.0

氯化钠:10.0

苯酚红:0.025

琼脂:12.0

pH值7.2±0.2:25℃

检验原理:

胰酪蛋白胨、牛肉浸粉提供微生物生长的基本营养,D-甘露醇为唯一可发酵糖类,蜡样芽胞杆菌不发酵甘露醇,菌落一般为橙红色或粉红色,而发酵甘露醇的细菌因产酸而显黄色,蜡样芽胞杆菌可产生卵磷脂酶,分解卵黄,在菌落周围产生沉淀环;氯化钠维持均衡的渗透压;苯酚红作为酸碱指示剂;琼脂为凝固剂。

用法:

称取本品43.0g,加热溶解于1000ml蒸馏水中,分装每瓶100ml,121℃高压灭菌15分钟,冷至50℃左右时,每瓶加入10ml 50%的无菌卵黄乳液和多粘菌素B  10000IU,混匀,倾入无菌平皿,备用。

These protocols are for reference only. Biotopped does not independently validate these methods.

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