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An evaluation of the vitamin D3 content in fish: Is the vitamin D content adequate to satisfy the dietary requirement for vitamin D?

2007; Elsevier BV; Volume: 103; Issue: 3-5 Linguagem: Inglês

10.1016/j.jsbmb.2006.12.010

1879-1220

Lu Zhang, Tai C. Chen, A. Zhang, Kelly S. Persons, Nathan Kohn, Roger Berkowitz, Stephen Martinello, Michael F. Holick,

Bone health and osteoporosis research

It has been suggested that the major source of vitamin D should come from dietary sources and not sun exposure. However, the major fortified dietary source of vitamin D is milk which often does not contain at least 80% of what is stated on the label. Fish has been touted as an excellent source of vitamin D especially oily fish including salmon and mackerel. Little is known about the effect of various cooking conditions on the vitamin D content in fish. We initiated a study and evaluated the vitamin D content in several species of fish and also evaluated the effect of baking and frying on the vitamin D content. Surprisingly, farmed salmon had approximately 25% of the vitamin D content as wild salmon had. The vitamin D content in fish varied widely even within species. These data suggest that the tables that list the vitamin D content are out-of-date and need to be re-evaluated.