| 摘要 |
PURPOSE:To enhance the stability and effectiveness of the crystal A type botulinus toxin useful for medicines for treating strabism, blepharospasm, etc., by obtaining the purified product of the toxin. CONSTITUTION:The botulinus A type toxin is treated with a nucleic acid- removing agent comprising a natural raw material such as chitosan and recrystallized without inactivating the toxin. |
