IGHE and allergic disease: Among these vitamins and minerals contained in quail egg, we think the anti-allergic effects may emanate from its vitamin E. Tolik et al. revealed that quail egg yolk contained five times higher vitamin E as compared to other bird eggs43 and several studies had indicated the role of vitamin E in the treatment of allergy such as suppressing neutrophil migration44, inhibiting IgE production45, and also modulating the development of Th cells immunomodulatory46.