Comparative Studies of 'Bile Salts' 13
352 M. L. DEDMAN, T. H. FARMER AND C. J. 0. R. MORRIS 1961 Farmer, T. H. (1959). Biochem. J. 73, 321. Hill, R. L. & Smith, E. L. (1957). J. biol. (Chem. 228, Farmer, T. H. & Morris, C. J. 0. R. (1956). Nature, Lond., 577. 178, 1465. Morris, C. J. 0. R. (1951). Analy8t, 76, 470. Gross, D. (1956). Nature, Lond., 178, 29. Sayers, M. A., Sayers, G. & Woodbury, L. A. (1948). Hayes, E. E. & White, W. F. (1954). Recent Progr. Hormone Endocrinology, 42, 378. Res. 10, 265. Shepherd, R. G., Wilson, S. D., Howard, K. S., Bell, P. H., Heilmann, J., Barollier, J. & Watzke, E. (1957). Hoppe- Davies, D. S., Davis, S. B., Eigner, E. A. & Shakespeare, Seyl. Z. 30, 219. N. E. (1956). J. Amer. chem. Soc. 78, 5067. Biochem. J. (1961) 78, 352 Comparative Studies of 'Bile Salts' 13. BILE ACIDS OF THE LEOPARD SEAL, HYDRURGA LEPTONYX, AND OF TWO SNAKES OF THE GENUS BITIS* BY G. A. D. HASLEWOOD Guy'8 Ho8pital Medical School, London, S.E. 1 (Received 5 July 1960) In the preliminary survey with which this work the corresponding esters of leopard-seal and began the bile of ten species of snakes was ex- Californian-sealion bile acids. Chromatography on amined. The Boidae (three species) gave pytho- alumina of the ethyl esters of Gaboon-viper bile cholic lactone (3cc: 12a: 16ac-trihydroxycholanic acid acids easily separated the fraction responsible for lactone), six other species yielded cholic acid spot P from a 'spot Q-ethyl cholate' fraction, (3x:7a:12x-trihydroxycholanic acid), but from the described later.
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