The Importance of Testing for Melamine by Beaulieu Matthews
Many farmers
illegally add melamine to their food products in order to increase the protein
content in their meat. This will result in the animals� milk being contaminated
and in conclusion the milk products we consume.
Melamine (2,4,6 -
triamino-1,3, 5 - triazine ; C3H6N6) is a small synthetic organic molecule
composed by 66% of nitrogen isabel
marant bobby wedges. This molecule is mainly used in the production of
plastics, paint and adhesives.
In food, melamine can be found
accidentally following contamination from plastic packages. But unfortunately,
because of the high level of nitrogen, it has also become a bad practice to
adulterate diluted milks with melamine in order to increase the apparent level
of protein.
In 2008, China, the country where this practice is more
common and where higher concentration in milk has been found, was caught in a
food safety incident where milk and milk formula was adulterated using
melamine.
Melamine is very harmful to the body if taken in large
quantities, more in infants than in adults. Melamine causes kidney damage and in
serious cases kidney stones or kidney failure.
Melamine testing can be
done through a variety of different rapid tests. Two types of test can be done,
the first being a �Quick Protocol� and the second, �Sensitive
Protocol�.
The Melamine-Sensor is a rapid test that allows you to detect
the presence of Melamine molecules in a milk sample. The �Quick protocol� has a
limit of detection of 250 ppb in 5 minutes and the �Sensitive protocol�, a limit
of detection at 125 - 250 ppb in 9 minutes, depending the sensitivity you want
to reach isabel
marant 2011.
Melamine-Sensor is a competitive test involving one
specific antibody with high affinity for melamine molecules. The test requires
the use of two components. The first component is a microwell containing
predetermined amount of antibody linked to gold particles. The second is a
dipstick made up of a set of membranes with two capture lines. The �control�
line is located above the �Test� line.
When the reagent from the
microwell is re-suspended with a milk sample, specific antibodies will bind the
analytes if present during the first incubation. When the dipstick is dipped
into the milk, the liquid starts running vertically on the dipstick and passes
through capture zones. When the sample is free of melamine, a colour development
occurs at the �test� line, indicating the absence of melamine in the milk sample
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On the contrary, the presence of melamine in
the sample will not cause the coloured signal to appear at the �test� capture
line.
Melamine is an easy and inexpensive way to make the protein
content higher and sell off inexpensive ingredients at a more expensive price.
This may sound like a quick way to make more money, but in the event of finding
out your products are contaminated, the product will be recalled, food
exports/imports� reputation will be damaged and arrests will be made.
Consumers should not be deceived for organisation�s to make short-term
profits and testing for melamine is a MUST�
www Isabel Marant
Madrid.primepharma.co.za
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