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hepatoflavin
hepatoflavin n. 
/həˌpædəˈfleɪvᵻn/ Biochemistry a substance first isolated from liver and later found to be the same as riboflavin (riboflavin n.).
Brit. /ˌhɛpətə(ʊ)ˈfleɪvɪn/
, /ˌhɛpətə(ʊ)ˈfleɪvɪn/U.S. /ˌhɛpədoʊˈfleɪvᵻn/
, /ˌhɛpədoʊˈfleɪvᵻn//həˌpædəˈfleɪvᵻn/ΚΠ
1933 K. G. Stern in Nature 18 Nov. 784/1 The isolation in a crystalline state of the lyochrome from horse liver, to be designated as ‘hepatoflavin’, has been achieved.
1936 Jrnl. Nutrition 11 75 Fractions prepared from liver extract which were rich in vitamin G (B2) and from which the hepatoflavin had been removed..were very active in the cure of black tongue.
1943 M. E. Rehfuss Indigestion xxiv. 392 The terms lactoflavin, ovoflavin, hepato~flavin, and so on serve to indicate the source of the particular riboflavin under discussion.
1960 A. E. Bender Dict. Nutrition & Food Technol. 62/1 Hepatoflavin, name given to substance isolated from liver, shown later to be riboflavin.
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