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Detection level of celery allergen


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Kevin J Basford

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Posted 09 November 2020 - 12:06 PM

With current Laboratory PCR test it is only possible to detect Celery as <5mg/kg, is there an acceptable level of allergen ? 



pHruit

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Posted 10 November 2020 - 08:38 AM

With current Laboratory PCR test it is only possible to detect Celery as <5mg/kg, is there an acceptable level of allergen ? 

SO2 is the only allergen for which a formal threshold is currently defined in the UK.

Analysis is perhaps best viewed as a validation/verification component of a broader comprehensive strategy to manage cross-contamination, i.e. along with risk assessment, handling procedures, cleaning procedures etc. Getting a "negative" result on the testing (i.e. no detection above the LOD) would then generally be considered as signifying that your controls are working correctly.



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Charles.C

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Posted 10 November 2020 - 01:33 PM

With current Laboratory PCR test it is only possible to detect Celery as <5mg/kg, is there an acceptable level of allergen ? 

Lower LOD is apparently available, eg

 

Attached File  celery LOD.PNG   21.44KB   0 downloads

 

https://food.r-bioph...llergen-celery/

 

For UK -

 

Attached File  FSA - 14 allergens.jpg   525.1KB   0 downloads


Kind Regards,

 

Charles.C


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