. Bulletin of the Department of Agriculture. Agriculture; Agriculture. j&rQmfu. Washington, D. C. PROFESSIONAL PAPER October 29, 1920 THE PRODUCTION AND UTILIZATION OF CORN OIL IN THE UNITED STATES. By A. F. Sievers, Chemical Biologist, Drug, Poisonous, and Oil Plant Investigations. CONTENTS. Origin of the corn-oil industry 1 Degeiminating corn 1 Methods of degermination used 3 Expelling the oil from corn germs 3 Handling and disposing of the crude oil 11 Handling and disposing of the oilcake 12 Buying and shipping corn germs 13 Utilization of corn oil 13 Effect of color and condition
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. j&rQmfu. Washington, D. C. PROFESSIONAL PAPER October 29, 1920 THE PRODUCTION AND UTILIZATION OF CORN OIL IN THE UNITED STATES. By A. F. Sievers, Chemical Biologist, Drug, Poisonous, and Oil Plant Investigations. CONTENTS. Origin of the corn-oil industry 1 Degeiminating corn 1 Methods of degermination used 3 Expelling the oil from corn germs 3 Handling and disposing of the crude oil 11 Handling and disposing of the oilcake 12 Buying and shipping corn germs 13 Utilization of corn oil 13 Effect of color and condition of the corn on the yield and character of the oil 15 Comparison of the oil-production operation in different mills 16 Economics of corn-oil production 17 Cost of expelling corn oil 17 Production of edible oil 20 The future of corn oil ^2 ORIGIN OF THE CORN-OIL INDUSTRY. The production of corn oil from the germ of corn kernels has been practiced on a commercial scale for probably a quarter of a century. From the time the degermination of corn became an integral operation in the hominy, starch, and glucose industries, the disposition of the germ has been a decided factor in the economics of these processes. At first the general practice was to dispose of the germ material by adding it to feed products, but as the demand for vegetable oils increased, for both edible and technical uses, it was found profitable to expel the oil from the germ, and in recent years when oils have been high in price the production of corn oil has become one of the important phases of the corn-products industries. DEGERMINATING CORN. The germ of the corn represents approximately 10 per cent of the dry kernel and contains about 50 per cent of oil. It has been found that this amount of fat, representing about 5 per cent of the air-dried 2467°—20 1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of th
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