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

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Science  26 Jul 1968:
Vol. 161, Issue 3839, pp. 376-377
DOI: 10.1126/science.161.3839.376


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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