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Science 26 July 1968:
Vol. 161. no. 3839, pp. 376 - 377
DOI: 10.1126/science.161.3839.376
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Articles

Metabolism of 3',4'-Dichloropropionanilide: 3,4-Dichloroaniline-Lignin Complex in Rice Plants

Roy Y. Yih 1, D. Harold McRae 1, and Harold F. Wilson 1

1 Rohm and Haas Company, Research Laboratories, Spring House, Pennsylvania 19477

Rice plants (Oryza sativa L. var. Bluebonnet 50) metabolize the herbicide 3',4'-dichloropropionanilide to 3,4-dichloroaniline, which in turn conjugates with carbohydrates. Soluble aniline-carbohydrate complexes account for only a small fraction of the hydrolyzed 3',4'-dichloropropionanilide. The major portion of the 3,4-dichloroaniline moiety is found complexed with polymeric cell constituents, mainly lignin. The aniline is lignin-bound as 3,4-dichloroaniline and not as 3',4'-dichloropropionanilide.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)