Selenoneine and Total Selenium Concentrations in Canned Atlantic Bluefin Tun
Keywords:
Selenoneine, Selenium, Mercury, Food safety, Muscle, Fish, SeafoodAbstract
The concentrations of the selenium-containing imidazole selenoneine and total selenium were determined in canned Atlantic
bluefin tuna produced in Tunisia. The selenoneine and total selenium concentrations of the canned tuna were 0.20 mg Se/
kg (n = 4) and 1.2 mg/kg, respectively. In the muscle of this fish, a part of organic selenium was present as selenoneine.
Selenoneine was stably present in the oily canned product. Therefore, the canned tuna products rich in organic selenium can
be useful for selenium supplementation.
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