Botulinus toxin from a clostridium botulin fermentation broth was separated and purified by membrane filtration technology. To remove the bacteria from the fermentation broth, we chose a 0.65 μ m pore size microfiltration membrane, reaching a removal ratio of 100%.

  • 报道了把膜分离技术应用于肉毒发酵液的纯化.用孔径为0.65μm的微滤膜对发酵液进行除菌,除菌率达到100%;

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