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germ
:
math, physics, and chemistry
>
meat Infusion bouillon
肉浸液肉汤
成分
绞碎牛肉500g
氯化钠5g
蛋白胨10g
磷酸氢二钾2g
蒸馏水1000ml
制法
将绞碎之去筋膜无油脂牛肉500g加蒸馏水1000ml,混合后放冰箱过夜,除去液面之浮油,隔水煮沸半小时,使肉渣完全凝结成块,用绒布过滤,并挤压收集全部滤液,加水补足原量。加入蛋白胨、氯化钠和磷酸盐,溶解后校正ph7.4~7.6煮沸并过滤,分装烧瓶,121℃高压灭菌30min。