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Nutrition. 2015 Jan;31(1):187-92. doi: 10.1016/j.nut.2014.07.003. Epub 2014 Jul 31.

Vitamin D: can fish food-based solutions be used for reduction of vitamin D deficiency in Poland?

Author information

1
National Marine Fisheries Research Institute, Department of Food and Environmental Chemistry, Gdynia, Poland. Electronic address: mmalesa@mir.gdynia.pl.
2
National Marine Fisheries Research Institute, Department of Food and Environmental Chemistry, Gdynia, Poland.

Abstract

OBJECTIVE:

The multitude of diseases promoted by vitamin D deficiency makes providing the human organism with a constant and sufficiently high supply of this compound a high priority. The aim of this study was to verify the extent to which fish present in the Polish diet can satisfy the body's requirement for this compound. The obtained data would help to evaluate whether a diet rich in fish may be a solution for vitamin D deficiency.

METHODS:

Cholecalciferol and ergocalciferol in muscle tissues of fish species popular in the Polish market were determined by means of high-performance liquid chromatography. Based on these updated data, and on data regarding fish consumption, it was possible to assess the level of vitamin D intake provided by fish consumption.

RESULTS:

This study proved that some of the investigated species of fish are a good source of vitamin D3. Among wild fish, Baltic salmon and herring contained the highest amount of cholecalciferol. Surprisingly, the highest content of this compound was observed in lean tilapia, farmed in China. Ergocalciferol also was found in the studied fish samples.

CONCLUSION:

Analysis of vitamin D content in various fish species indicated that the disproportion between requirement and supply seems too vast to enable eradication of vitamin D deficiency by fish food-based solutions. Still, increasing fish consumption or changing consumption patterns could be beneficial and result in noticeable improvements in vitamin D status.

KEYWORDS:

Baltic fish; Cholecalciferol; Daily intake; Ergocalciferol; Fish consumption

PMID:
25466665
DOI:
10.1016/j.nut.2014.07.003
[Indexed for MEDLINE]

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