Czech J. Food Sci., 2012, 30(1):67-73 | DOI: 10.17221/329/2010-CJFS

Methodology development for routine estimation of chlorpropham in commercial potato stores

Waqar A. Khan1, H.J. Duncan1, Ahmad K. Baloch2, Geraldine McGowan3
1 Food, Agriculture and Environmental Chemistry and 3Department of Chemistry, University of Glasgow, Glasgow, UK
2 Department of Food Science and Technology, Gomal University, Dera Ismail Khan, Pakistan

Chlorpropham is employed worldwide as an anti-sprout chemical to the harvested potato tubers during storage. A simple and precise analytical technique is developed for routine estimation of the sprout suppressant from a large number of potato samples supplied from commercial stores demanding quick analysis. Chlorpropham is extracted completely from potato tubers by intelligent reflux extraction followed by quantification using GC-FID (Gas Chromatography-Flame Ionization Detector) equipment. In this article, the performance of the technique is compared with the lengthy extraction/cleanup process, and the results are validated as per one-way analysis of variance. The recommended technique is found to offer rapid, accurate, and reliable analytical results with ease in handling a large number of samples constituting a wide range of residual chlorpropham levels often found in a complex structural commercial potato stores.

Keywords: chlorpropham; sprout suppressant; anti-sprout; soxhlet extraction; potato

Published: February 29, 2012  Show citation

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Khan WA, Duncan HJ, Baloch AK, McGowan G. Methodology development for routine estimation of chlorpropham in commercial potato stores. Czech J. Food Sci. 2012;30(1):67-73. doi: 10.17221/329/2010-CJFS.
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