Following a periodical review of consumer health risks from
unpasteurised milk and cream, the Food Standards Agency (FSA) have maintained
their recommendation that pasteurisation is an important control measure in
reducing the risks from consumption of raw milk. Microbiological data reviewed showed the presence
of pathogenic microorganisms in some raw milk samples and indicators of faecal
contamination present at varying levels in most samples analysed. Whilst full results of the review are yet to
be published, it is clear that the need for routine testing to detect pathogens
such as
Escherichia
coli as quickly and easily as possible
will remain as important as ever.
Lab M's Modified Lauryl Sulphate
Tryptose Broth with MUG & Tryptophan (ISO) is designed specifically for the
presumptive enumeration of
E. coli
from milk and milk products. Used in
conjunction with the Most Probable Number (MPN) technique and in accordance
with ISO 11866-1:2005, Modified Lauryl Sulphate Tryptose Broth with MUG &
Tryptophan (ISO) allows presumptive
E.
coli to be enumerated from presumptive coliforms. The addition of MUG to
the Lauryl Tryptose broth formulation allows the positive discrimination of
E.
coli strains. The majority of
E. coli
produce β-glucuronidase enzyme which enables them to hydrolyse MUG, resulting
in the release of a fluorogenic compound. Tubes which fluoresce under UV light
are confirmed for
E. coli by a positive indole reaction when Kovac's
reagent is added to the tube.
Lab M specialises in
the development and manufacture of microbiological culture media. Through the new,
data rich website the company provides products and services for microbiology
laboratories everywhere.
www.labm.com
The results of the FSA's review will be outlined in the report:
Mycobacterium bovis and the possible
health risks associated with unpasteurised milk and milk products (ACM/1047).
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