. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE. h BULLETIN No. 1054 «pfe Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief swr'^su Washington, D. C. PROFESSIONAL PAPER March 11, 1922 COMPARISON OF CORN OILS OBTAINED BY EX- PELLER AND BENZOL EXTRACTION METHODS. By A. F. Sievers, Chemical Biologist, Office of Drug, Poisonous, and Oil Plant Investigations. CONTENTS. Introduction Character and composition of corn oil Review of previous Experimental work Method of selecting material Benzol extrac
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE. h BULLETIN No. 1054 «pfe Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief swr'^su Washington, D. C. PROFESSIONAL PAPER March 11, 1922 COMPARISON OF CORN OILS OBTAINED BY EX- PELLER AND BENZOL EXTRACTION METHODS. By A. F. Sievers, Chemical Biologist, Office of Drug, Poisonous, and Oil Plant Investigations. CONTENTS. Introduction Character and composition of corn oil Review of previous Experimental work Method of selecting material Benzol extraction of corn germs and oil cake Page. Page. Experimental work—Continued. Removal of the solvent 9 Appearance and character of the crude oils 10 Refining the oils 11 Comparison of the finished oils 14 Summary 16 Literature cited 17 INTRODUCTION. The production of oil from corn germs resulting from the manu- facture of hominy, starch, glucose, and sirup has become a well- established industry in the United States. The methods of obtain- ing the oil from corn germs, also the economic relation of its production to the manufacture of corn products in general, the utilization of the oil, and its future in the vegetable-oil industry of this country have been described in a bulletin of the Department of Agriculture (43).* Later, a technical study was made of methods for refining corn oil for edible purposes, and a second bulletin was published giving the cost of refining, together with plans and esti- mated cosi for a refinery Ui'i)- The present paper deals with still another phase of the corn-oil industry, that of extracting the oil by menus of a solvent. With few 'The serial oumberi (italic) In parenthe i refer to " Literature cited" a1 the end of letJn. i. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original wor
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