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Title: Characterization of 14C terminal residues in rice plants treated with 14 C ring-labeled benthiocarb
Authors: Hong-Ming Cheng
Deng-Fwu Hwang
Contributors: 國立臺灣海洋大學:食品科學系
Keywords: Thiocarbamate herbicide
Degradation products of benthiocarb
Date: 1994
Issue Date: 2016-11-23T07:39:37Z
Publisher: Journal of Food and Drug Analysis
Abstract: Abstract: The terminal C14 residues in rice treated with C14 ring-labeled benthiocarb were characterized. Rice was treated at 5 lb/acre, then grown to maturity. Straw and grain were harvested and analyzed for C14. The total C14 in the straw and the grain was 2.0 and 0.3 ppm, respectively, calculated as benthiocarb. No (less the 0.01 ppm) parnet compound or metabolites containing the intact thiocarbamate moiety were found in either the straw or the grain. Approximately 0.25 ppm 4-chlorobenzoic acid (0.41 ppm C14 calculated as benthiocarb) was isolated from straw as bound, conjugated and/or free metabolites. Two other major C14 metabolites (0.33 ppm), both containing carboxylic acid and the 4-chlorobenzylthio moieties in the molecules, were partially identified. Approximately 0.02 ppm 4-chlorobenzyl methyl sulfone was found in the grain
Relation: 2(2)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39088
Appears in Collections:[食品科學系] 期刊論文

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