Study of Fluctuations in Vitamin D Levels in Eggs Depending on the Season
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Determining the vitamin D levels in common foods is crucial for both preventing and treating conditions associated with vitamin deficiencies and maintaining overall well-being. This study aimed to investigate how seasonal variations impact the vitamin D content in eggs. In this experiment, egg yolks from local domestic chickens and a German breed were utilized as biomaterial. These chickens were housed under standard conditions in the vivarium of the Central Scientific Research Laboratory. The findings revealed that the vitamin D content in eggs from domestic hens was 11.89% higher in winter, 50.0% higher in spring, and 44.0% higher in summer compared to eggs from the German breed.
Keywords
cholecalciferol, ergocalciferol, colorimetry, calcidiol