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1911 T. L. Stedman Pract. Med. Dict. 452/1 Ketogenic.

1921 Jrnl. Biol. Chem. 49 162 A method is described by which the ratio of ketogenic to antiketogenic molecules in the metabolic mixture of a subject may be calculated from the respiratory quotient.

1930 Sci. Amer. Nov. 391 This is called a ketogenic diet, because it tends to produce an excessive amount of ketones and their derivatives in the blood.

1952 J. K. Norymberski in Nature 20 Dec. 1075/1 The difference between 17-ketosteroids found before and after oxidation of urine affords a measure of ‘17-ketogenic steroids’ which represent an important group of corticosteroids.

1968 R. F. Steiner Life Chem. ix. 168 Four amino acids—leucine, isoleucine, phenylanine [sic] and tyrosine—can give rise to ketone bodies... The..group of amino acids are termed ketogenic.

1972 Jrnl. Clin. Endocrinol. & Metabolism 34 580/1 Routine urine steroid analysis showed normal excretion of 17-ketosteroids and 17-ketogenic steroids.

1973 Nature 2 Mar. 74/1 He was interested in the mechanism of action of ketogenic diets which were then used for the treatment of urinary tract infections.