Pearl River, New York 193 Annu. Rev. Biochem. 1947.16:193-222. Downloaded from www.annualreviews.org Access provided by Yale University -Law Library on 02/03/15. For personal use only. Quick links to online content Further ANNUAL REVIEWS Annu. Rev. Biochem. 1947.16:193-222. Downloaded from www.annualreviews.org Access provided by Yale University -Law Library on 02/03/15. For personal use only. CHOLINE 195Step 2. Studies of the choline-oxidation-enzyme system in rat liver preparations showed that when betaine aldehyde was added, oxygen uptake was increased with the possible production of be taine (9). It was shown (10) that betaine aldehyde was oxidized, probably to betaine, by rat liver brei at pH 7.8.
Acetyl CholineLecithin �+ �