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The vitamin D activity of butter: A chemical differentiation of the antirachitic factor of autumn and winter butter from irradiated ergosterol and the vitamin D of cod-liver oil

Kon, S.A.; Booth, R.G.

Biochemical Journal 27(4): 1302-1309

1933

ISSN/ISBN: 0264-6021
PMID: 16745227
Accession: 013588370
The vitamin D of butter was completely destroyed by saponification, whereas that of cod liver oil (2 samples) and of the International Standard for vitamin D (irradiated ergosterol) appeared to resist saponification, the biological estimation being made by the line test. The vitamin D of cod liver oil was not affected by the presence of butter during saponification. It is concluded that the vitamin D of butter is a different substance from that of cod liver oil or irradiated ergosterol.

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Related References

Kon, S.Kazimierz; Booth, R.Gordon 1934: The vitamin D activity of butter. II. The complex nature of the antirachitic action of butter. III. An attempt to elucidate the nature of the labile factor in butter antirachitic for the rat. The antirachitic potency of lard, olive oil, egg oil and the fatty acids of butters and lard Biochem Jour 28(1): 111-120, 121-130
Kon, S.K.; Booth, R.G. 1934: The vitamin D activity of butter: An attempt to elucidate the nature of the labile factor in butter antirachitic for the rat. The antirachitic potency of lard, olive oil, egg oil and the fatty acids of butters and lard Biochemical Journal 28(1): 121-130
Adam, A. 1927: Is the antirachitic vitamin of cod liver oil an irradiated ergosterol? Klin Wochenschr 6(27): 1289
Coward, K.H. 1940: The relative antirachitic potencies of vitamin D2 (calciferol from irradiated ergosterol) and of vitamin D3 (from irradiated 7-dehydrocholesterol). A summary of experiments organised for the Accessory Food Factors Committee Bull. Health Organis. L.o.N, 41. 9: 425-435
Wiseman, H.G.; Shepherd, J.B.; Gary, C.A. 1949: Relation between the carotene in the feed and the vitamin A potency of butter-to what extent is it feasible to improve the vitamin A potency of winter butter? Int. Dairy Congr., 1949. 1: 61-68
Coward, K.H. 1941: The Relative Antirachitic Potencies of Vitamin D3 (Calciferol from Irradiated Ergosterol) and of Vitamin D3 (from Irradiated 7-Dehydroeholesterol). A Summary of Experiments Organised for the Accessory Food Factors Committee(Lister Institute and Medical Research Council) Bull. Hlth Org. L.o.N 9: 425-435
Kon, S.K.; Booth, R.G. 1934: The vitamin D activity of butter: The complex nature of the antirachitic action of butter Biochemical Journal 28(1): 111-120
Takamiya, E. 1931: Studies on the vitamin D. III. Antirachitic activation of ergosterol by means of the action of ozone and on the chemical nature of vitamin D Bull Agric Chem Soc Japan 7(1/3): 18-19
Mohr, W.; Dittmann, H.; Jesiak, H. 1958: The treatment of butter in a Mikrofix unit. Part 2. Method for moulding brittle, winter butter, Fritz-bulk butter and Alfa-winter butter. Fette, Seifen, Anstrichmitt 60(5): 418-22
Tanret, G. 1929: Irradiated ergosterol and the antirachitic vitamin Rev Scientifique Paris 67(2): 38-45
Watson, S.John; E.A. 1934: The relation of the Colour and Vitamin a Content of Butter to the Nature of the Ration Fed. I. S. J. Watson, Gerald Bishop, and Jack Cecil Drummond. Influence of the Ration on the Yellow Colour of the Butter. Ii. Albert Edward Gillam, and Isidor Morris Heilbron. The Carotenoid and Vitamin a Contents of the Butter Biochem Jour 28(3): 1076-1085
Watson, S.J. 1934: The relation of the colour and vitamin a content of butter to the nature of the ration fed: the influence of the ration on the yellow colour of the butter. II. the carotenoid and vitamin a contents of the butter Biochemical Journal 28(3): 1076-1085
Watson, S.J., E.Al. 1934: The relation of the colour and vitamin A content of butter to the nature of the ration fed. 1. Influence of the ration on the yellow colour of the butter. 2. The carotenoid and vitamin A contents of the butter Biochem. J 28: 1076-85
Windaus, A.; Luttringhaus, A. 1931: Remarks on the antirachitic vitamin from irradiated ergosterol HoppeSeyler's Ztschr. f. physiol. Chem 203: 70-75
Gillam, A.E.; Heilbron, I.M. 1934: The relation of the colour and vitamin A content of butter to the nature of the ration fed. 2. The carotenoid and vitamin A contents of the butter Biochem. J 28: 1082-1085
Russell, W.C.; Klein, D. 1931: The vitamin A content of a ration and the antirachitic potency of irradiated ergosterol Poultry Sci 10: 269-274
Kieferle, F.; Seuss, A.; Kiendl, H. 1949: Carotene as a butter pigment and pro-vitamin. Experiments in carotene enrichment of winter butter via the lactating cow Int. Dairy Congr., 1949. 1: 69-82
Tixier, M.G. 1931: Necessity of adopting an international antirachitic unit for the dosage of vitamin D (irradiated ergosterol) Bull. Acad. Med 106: 91-96
Anonymous 1974: Butter and butter-oil. Physical and chemical test methods. Determination of the peroxide value of fat from butter and of butter-oil according to the method of Loftus Hills and Thiel Netherlands Standard (NEN-3729): 3
Anonymous 1975: Butter and butter oil. Physical and chemical test methods. Determination of diacetyl (2,3-butanedione) in butter and butter oil by the method of Prill & Hammer Netherlands Standard (NEN 3715): 4