Dear Bess and Listers
Highly chlorinated hydrocarbons (HCHs) in fish
I made a literature search for HCHs in fish a couple of years ago and
looking back in my notes I did not come across any on tuna. No search is
completely comprehensive so there could well be some data out there, perhaps
in the 'grey' literature which I did not reach. There is a good, recent,
review of these compounds in food by Wells & de Boer (1999). They give data
on contents in fish as a commodity, but not individual species. Ackefors et
al (1990) gives data on individual species, but not including tuna. National
surveys of HCHs in foods might include tuna and it could be worth contacting
regulatory bodies responsible for monitoring foods to see if they have
information. For example, here in Britain, our MAFF surveyed some UK-caught
and imported fish for dioxins and PCBs, but again, tuna was not included.
Bess, I would like to know if you do get any data.
Peter Howgate
Ackefors, H., Hilge, V. & Lindén, O. (1990). Contaminants in fish and
shellfish products. In: Aquaculture Europe '89 - Business Joins Science. N.
De Pauw & R. Billard (eds). Reviews and panel reports of the international
conference, Bordeaux, France, October 2-4 1989. European Aquaculture
Society. Special Publication No. 12. Bredene, Belgium. ISBN 90-71625-06-0.
pp 305-344
MAFF. (1999). Dioxins and PCBs in UK and imported fish. Food Surveillance
Information Sheet Number 184. (Available on the Web. URL www.maff.gov.uk)
Wells, D.E. & de Boer, J. (1999) Polychlorinated biphenyls, dioxins and
other polyhalogenated hydrocarbons as environmental contaminants in food.
In: Environmental contaminants in food. (Edited by Moffat, C.F. & Whittle,
K.J. ). Pp305-363. Sheffield, England. Sheffield Academic Press,. ISBN
1-85075-921-9
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