DOCUMENT IS THE PROPERTY OF HIS BRITANNIC MAJESTY'S GOVERNMENT). SECRET. S.F.C. (41) 36. COPY NO. 1ST AUGUST, 1941. WAR CABINET. SCIENTIFIC COMMITTEE ON FOOD POLICY. THE RELATIVE NUTRITIVE PROPERTIES OF 85 PER CENT. EXTRACTION FLOUR AND FORTIFIED WHITE FLOUR. Thirteenth Report. 1. The 85 per cent. extraction flour used in the national wheatmeal loaf, contains four-fifths of the germ of the wheat grain, and those parts of the outer layers of the grain which are rich in nutrients assimilable by man.