AUGUST, 1940. ###CUMENT IS THE PROPERTY WAR CABINET OF HIS BRITANNIC MAJESTY'S GOVERNMENT). COPY NO. SCIENTIFIC SUB COMMITTEE ON FOOD POLICY Draft Fifth Report. Potatoes. In their Report on the Basal Diet the Sub-Committee commended a large increase in the grounds of war-time expediency and of public the acreage of potatoes, both health. art from bread, the potato is the most important single food- it is also the ###uff in the basic diet for supplying energy; ###incipal source of Vitamin C available consumer at a reasonable price.