1. Fernstrom, M.H., in Nutritional Pharmacology, edited by A.R. Liss, Inc. A.R. Liss, Inc., New York, 1981, p. 5.
2. Wood, J.L., and R.G. Allison, Effects of Consumption of Choline and Lecithin on Neurological and Cardiovascular Systems, Life Sciences Research Office, Federation of Ameri- can Societies for Experimental Biology, 1981.
3. US Department of Agriculture, Agricul- ture Handbook no. 8;B.K. Watt,1963
4. Official and Tentative Methods of the American Oil Chemists’ Society, AOCS, Champaign, IL, (revised to 1975), Method Ca 12-55.
5. Chapman, G.W., Jr., JAOCS 57:299 (1980).