详情介绍
SCDLP液体培养基 | Soya Casein Digest Lecithin Polysorbate Broth | 250g | 用于化妆品样品制备,前增菌培养(GB标准)。 |
用途:用于化妆品样品制备,前增菌培养(GB标准)
SCDLP液体培养基配方:(g/L) | |||||||||||||||||||||
酪蛋白胨 大豆蛋白胨 氯化钠 磷酸氢二钾 葡萄糖 卵磷脂 吐温80 pH值7.2 ± 0.1 | 17.0 3.0 5.0 2.5 2.5 1.0 7.0 25℃ | ||||||||||||||||||||
原理: | |||||||||||||||||||||
酪蛋白胨和大豆蛋白胨提供氮源、维生素和生长因子;氯化钠维持均衡的渗透压;磷酸氢二钾为缓冲剂;葡萄糖为可发酵的糖类;卵磷脂和吐温80能中和防腐剂,并能起到在乳浊液中分散物质的功能,卵磷脂能中和季铵盐,吐温80可中和酚、六氯酚、福尔马林,两者结合可中和乙醇。 | |||||||||||||||||||||
用法: | |||||||||||||||||||||
称取本品 38.0g,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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