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Standard for Sterility Test UHT


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Faradilla

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Posted 01 March 2021 - 06:24 AM

Dear friends... I have a problem with how to do a sterility test (product milk (UHT), Tetra Machine spect TB 8, cap ; 6000 pack/hour),

I have read the procedure that to do sterility you need 3000 samples (pre incubation 30 C for 7 days, check micro TPC, and check pH). Anyone have experience to do sterility? Please share your experience please.... My question : 1. Is the sample really need 3000 pcs/pack?, is that full checked for micro first and then check the pH? 2.What method can we use? As I read use streak plate method, if we use petri film methode, is it accurate? 3. For thermofilik test, how many sample to be checked? need your help friends, thanks. BR, Faradilla.



Charles.C

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Posted 01 March 2021 - 06:35 AM

Dear friends...

 

I have any problem for do sterility test ( product milk (UHT), Tetra Machine spect TB 8, cap ; 6000 pack/hour),

i have read the procedure that to do sterility need 3000 sample ( pre incubation 30 C for 7 days, check micro TPC, and check pH).

Anyone have experience to do sterility ? please share your experience please....

my question :

 

1. Is the sample really need 3000 pcs/pack ?, is that full checked for micro first and then check the pH ?

2.What method can we use ? as i read use streak plate method, if we use petri film methode, is it accurate ?

3. For thermofilik test, how many sample to be checked ?

 

need your help friends, thanks 

 

BR

Faradilla 

 

Hi Faradilla,

 

Can you post the file or a link to the document which refers to 3000 samples ?. Seems highly improbable.


Kind Regards,

 

Charles.C


Faradilla

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Posted 02 March 2021 - 06:21 AM

Dear Mr Charles,

please find the reference from tetra pack 

 

Thank you 

 

BR 

Faradilla F

 

 

Attached Files



Guido Moruzzi

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Posted 14 March 2021 - 06:01 PM

Dear Faradilla

 

Are you referring to a line commissioning testing (done once at installation)? Or are you looking for a routine sampling plan (to be done day after day and batch after batch)?

 

Thanks

 

Guido Moruzzi, Italy






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