The end time of fermentation and culture of batch 3036-190501 of pravastatin sodium is 2019.05.13, while the time of putting the tank in the production schedule of pravastatin sodium is 2019.05.16. At present, the extraction process is prepared according to the original plan, and the fermentation liquid cannot be received in advance, so the fermentation liquid needs to be refrigerated for 3 days.<br>There is no abnormality in the batch fermentation process, and the culture time conforms to the historical trend without deviation. At present, according to its personnel layout, the production capacity of pravastatin sodium extraction process is 6 days / batch, and the next batch cannot be produced within the 6-day production capacity. Therefore, the fermentation liquid needs to be refrigerated in the fermentation process. Combined with the refrigeration time requirement of batch 3036-190501, it needs to be refrigerated for 3 days.<br>322 cans of batch 3036-190501 of pravastatin sodium were refrigerated on May 13, 2019 to the end of May 18, 2019, meeting the standard of pravastatin sodium. Batch 3036-190501 of pravastatin sodium needs to be further tracked and tested for the quality of the finished product after the completion of the extraction process, and can be released for commercial use only after it meets the quality standard of the finished product of pravastatin sodium.<br>On June 11, 2019, the quality of finished products was tracked and tested, meeting the quality standards.<br>1. Upgrade the operation procedures of pravastatin sodium fermentation post, and add that the fermentation liquid can be refrigerated for a long time (3 days) according to the production plan after fermentation and culture.
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