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Nitrofurans Residues Found in Marine Fish
Background
In view of recent public concern about live fish, the Centre
for Food Safety (CFS) has recently conducted a survey on marine fish in
the local wholesale and retail markets for analysis of veterinary drug
residues.
Analysis Results and Actions Taken by the CFS
A total of 20 samples consisting of a variety of marine
fishes were examined; the results were available today (on 7 December
2006). Test results for most of the fish samples were satisfactory. All
the 20 samples were free from malachite green. Nitrofurans were present
in three samples (including pompano, flowery grouper and tiger grouper).
In response to the findings, the CFS has immediately initiated
an investigation and a source-tracing exercise. The wholesaler and retailer
concerned have suspended the sale of the respective affected marine fishes.
The CFS would continue to monitor the situation closely to protect public
health.
What are Nitrofurans?
Nitrofurans are a family of antimicrobial agents which
can be used as veterinary drugs. The main concern of nitrofurans in food
is that a type of nitrofurans may cause cancer in experimental animals.
However, for the type of nitrofurans detected in this survey, there is
inadequate evidence that it can cause cancer in humans.
Based on the levels of nitrofurans residues found in the
affected marine fish samples, risk assessment suggested that the risk
to health is low upon usual consumption of the fish.
Advice to Consumers
- Based on the levels of nitrofurans residues detected,
risk to health is low upon usual consumption of the fish. There is no
cause for undue alarm.
- The public is advised to maintain a balanced diet
to avoid excessive exposure to contaminants from a small range of food.
Further information
Further information about past incidents regarding nitrofurans
residues found in fish can be obtained from the following webpages:
Centre for Food Safety
7 December 2006
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