Review of the dhr showed that the housekeeping is performed per shift with no abnormality observed.Current control there is a 3 hourly outgoing inspection and 2 hourly in-process inspection in place to check for foreign matter.Based on the ftir results, the brown fm likely to be acacia.Acacia, also known as gum arabic, is used in the pharmaceutical industry as an emulsifier, stabilizing agent, suspending agent, tablet binder, and viscosity-increasing agent.Review manufacturing process there is no process that can introduce this type of fm.Since the returned sample has been opened prior for investigation, it is no longer in the condition which product was ship out.Hence, the root cause could not be determined.
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