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Arch Environ Contam Toxicol. 1975;3(3):268-77. doi: 10.1007/BF02220740.

Metabolism of terbacil in orange seedlings.

Archives of environmental contamination and toxicology

L S Jordan, A A Zurqiyah, W A Clerx, J G Leasch

PMID: 1190839 DOI: 10.1007/BF02220740

Abstract

Orange seedlings were cultured in aqueous solutions of 3-tert-butyl-5-chloro-6-methyluracil (terbacil and terbacil-2-14C). Radioactivity was distributed throughout the plant with the largest amount in the roots and the smallest amount in the leaves. Terbacil was metabolized to form 3-tert-butyl-5-chloro-6-hydroxymethyl uracil, which was conjugated to form a beta-glucoside as the conjugate was hydrolyzed by beta-glucosidase. Identification of the metabolite was made by infrared and mass spectrometry after isolation and purification by column and thin layer chromatography. An additional unidentified water-soluble material was accumulated in the plant. 5-chloro-uracil was not detected as a metabolite of terbacil.

References

  1. J Agric Food Chem. 1969 Sep;17(5):974-9 - PubMed
  2. J Agric Food Chem. 1969 Sep;17(5):980-6 - PubMed

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