. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE % BULLETIN No. 570 Contribution from the Bureau of Chemistry "^S CARL L. ALSBERG, Chief ^^"^ Washington, D. C. August 11, 1917 THE BY-PRODUCTS OF RICE By J. B. Reed, Assistant Chemist, Miscellaneous Laboratory, and F. W. Liepsner, Chemist in Charge, New Orleans Food and Drug Inspection Introduction Description of the milling process. CONTENTS. Analysis of rice and its by-products. Interpretation of results INTRODUCTION. Most of the rice produc
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE % BULLETIN No. 570 Contribution from the Bureau of Chemistry "^S CARL L. ALSBERG, Chief ^^"^ Washington, D. C. August 11, 1917 THE BY-PRODUCTS OF RICE By J. B. Reed, Assistant Chemist, Miscellaneous Laboratory, and F. W. Liepsner, Chemist in Charge, New Orleans Food and Drug Inspection Introduction Description of the milling process. CONTENTS. Analysis of rice and its by-products. Interpretation of results INTRODUCTION. Most of the rice produced in the United States is grown and milled in the States of Louisiana, Texas, Arkansas, and California. A few mills also are under operation in North Carolina, South Carolina, and Georgia. Although the processes employed in rice milling are old in principle, a marked improvement has taken place in the industry during the past decade. As the industry is carried on in such a limited area of the country, however, these processes are probably un- familiar to many people who do not live in the rice-growing sections. A description of the rice grain as it comes to the mills and of the essential steps in rice milling seems, therefore, a desirable preliminary to a discussion of rice by-products. The three varieties of rice commonly grown in the Louisiana, Texas, and Arkansas rice districts are: Japan, Honduras, and Blue Rose. The Japan type has a short, thick grain, the Honduras type has a long kernel, while the Blue Rose type is intermediate between these two in size. The Blue Rose type, although of comparatively recent introduction, has increased rapidly in popularity because of its productiveness and milling qualities. 1 This bulletin gives the results of an investigation of the rice-milling industry, conducted with special reference to the by-products obtained in the milling of rice. It should be of interest to rice millers, feed- control officials, feed manufacturers dealers, and
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