更新时间:2016-06-14
梭菌鉴别琼脂(DCA),年中放价销售了,低价、*、优惠价供应,微生物培养基折扣价提供,BD培养基、Gibco培养基、Amresco培养基、OXOID培养基等国内外培养基,我们倾情提供。
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梭菌鉴别琼脂(DCA) | Differentia Clostridial Agar | 250g | 用于干燥食品亚硫酸盐还原梭菌的计数和培养(MERCK方法) |
用途:用于干燥食品亚硫酸盐还原梭菌的计数和培养
梭菌鉴别琼脂(DCA)配方:(g/L) | |||||||||||||
胰酪蛋白胨 蛋白胨 牛肉浸粉 可溶性淀粉 酵母浸粉 葡萄糖 L- 半胱氨酸盐酸盐 刃天青 柠檬酸铁铵 亚硫酸钠 琼脂 pH值7.6 ± 0.2 | 5.0 5.0 8.0 1.0 1.0 1.0 0.5 0.002 1.0 0.75 20.0 25℃ | ||||||||||||
原理: | |||||||||||||
酪蛋白胨、蛋白胨 、牛肉浸粉 提供氮源、维生素和生长因子,葡萄糖提供碳源,柠檬酸铁铵和亚硫酸钠是硫化氢指示剂,琼脂是培养基凝固剂 | |||||||||||||
用法: | |||||||||||||
称取本品 43.25g ,加热溶解于1000ml 蒸馏水中,分装,121℃高压灭菌 15 分钟备用。 | |||||||||||||
质量控制: | |||||||||||||
在36±1℃培养18-24小时。
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