J H Soares et al.
Poultry science, 74(12), 1919-1934 (1995-12-01)
Vitamin D is a complex of secosteroids that must undergo metabolic alterations to reach optimal biological activity. The parent compounds 1) ergocalciferol (D2) and 2) cholecalciferol (D3) can be synthesized in the leaves of many plants or in the skin...
Antrison Morris et al.
Poultry science, 93(8), 1951-1956 (2014-06-17)
Three experiments were conducted to study the effects of 25-hydroxycholecalciferol supplementation on BW gain, IL-1β, and 1α-hydroxylase mRNA expression in different organs of broiler chickens following a lipopolysaccharide (LPS) injection. In experiment I, birds were fed a basal diet supplemented...
Maria Samefors et al.
European journal of endocrinology, 170(5), 667-675 (2014-02-13)
Institutionalised elderly people at northern latitudes may be at elevated risk for vitamin D deficiency. In addition to osteoporosis-related disorders, vitamin D deficiency may influence several medical conditions conferring an increased mortality risk. The aim of this study was to...
A method for simultaneous determination of 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 in human plasma by using two steps of high-performance liquid chromatography
Okano T, et al.
J. Nutr. Sci. Vitaminol., 27(1), 43-54 (1981)
Development and validation of an LC--MS/MS based method for quantification of 25 hydroxyvitamin D2 and 25 hydroxyvitamin D3 in human serum and plasma
Zhang SW, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 961(1), 62-70 (2014)