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Channel 4 programme Food Unwrapped called on the help of experts at a Kent County Council company to help solve a fishy problem.
Presenter Jimmy Doherty and his film crew visited Kent Scientific Services' laboratories at Kings Hill, as they carried out tests on a variety of fish.
The programme was looking at the healthier lifestyle of the Japanese, which has been related to their consumption of raw fish.
Tests were carried out on sushi, tinned salmon and cooked salmon to determine the difference in the levels of omega 3 fatty acids, which are found within the oil and fat of the fish and which have health and nutrition benefits.
Analytical services manager Jon Griffin, and his colleague and principal analyst Samantha Keller, were filmed carrying out the tests on a single day and provided the results to Jimmy Doherty and his team.
The TV crew had already spent two weeks filming in Japan.
Mr Griffin said: “This testing is typical of the kind of work we routinely carry out on behalf of local councils and port health authorities.
“The results were interesting, but they are now the property of the TV company, so the public will have to wait until Food Unwrapped is broadcast later in the year to find out what we discovered.”