scholarly journals Recent Developments and Applications of Microextraction Techniques for the Analysis of Pesticide Residues in Fruits and Vegetables

10.5772/48745 ◽  
2012 ◽  
Author(s):  
Guan Huat ◽  
Lukman Bola
Keyword(s):  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Recent Developments ◽  
Microextraction Techniques

Applications of Experimental Design to the Optimization of Microextraction Sample Preparation Parameters for the Analysis of Pesticide Residues in Fruits and Vegetables

2015 ◽  
Vol 98 (5) ◽  
pp. 1171-1185 ◽  
Author(s):  
Lukman Bola Abdulra'uf ◽  
Ala Yahya Sirhan ◽  
Guan Huat Tan
Keyword(s):  
Sample Preparation ◽  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Current Trend ◽  
Cost Effective ◽  
Multivariate Statistical ◽  
Analytical Methodology ◽  
Microextraction Techniques ◽  
Doehlert Matrix ◽  
Preparation Techniques

Abstract Sample preparation has been identified as the most important step in analytical chemistry and has been tagged as the bottleneck of analytical methodology. The current trend is aimed at developing cost-effective, miniaturized, simplified, and environmentally friendly sample preparation techniques. The fundamentals and applications of multivariate statistical techniques for the optimization of microextraction sample preparation and chromatographic analysis of pesticide residues are described in this review. The use of Placket-Burman, Doehlert matrix, and Box-Behnken designs are discussed. As observed in this review, a number of analytical chemists have combined chemometrics and microextraction techniques, which has helped to streamline sample preparation and improve sample throughput.

Analytical methods for estimation of organophosphorus pesticide residues in fruits and vegetables: A review

Talanta ◽  
2010 ◽  
Vol 82 (4) ◽  
pp. 1077-1089 ◽  
Author(s):  
Dipakshi Sharma ◽  
Avinash Nagpal ◽  
Yogesh B. Pakade ◽  
Jatinder Kaur Katnoria
Keyword(s):  
Analytical Methods ◽  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Organophosphorus Pesticide

European Commission proficiency tests for pesticide residues in fruits and vegetables

2010 ◽  
Vol 29 (1) ◽  
pp. 70-83 ◽  
Author(s):  
P. Medina-Pastor ◽  
A.R. Fernández-Alba ◽  
A. Andersson ◽  
C. Rodríguez-Torreblanca
Keyword(s):  
European Commission ◽  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Proficiency Tests

“Analysis of pesticide residues in fruits and vegetables using gas chromatography-high resolution time-of-flight mass spectrometry”

2015 ◽  
Vol 7 (5) ◽  
pp. 2162-2171 ◽  
Author(s):  
Noelia Belmonte Valles ◽  
Samanta Uclés ◽  
Natalia Besil ◽  
Milagros Mezcua ◽  
Amadeo R. Fernández-Alba
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
High Resolution ◽  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Time Of Flight ◽  
Automatic Method ◽  
Operational Parameters ◽  
Resolution Time ◽  
Flight Mass Spectrometry

This work reports a study on the operational parameters and development of a rapid automatic method for determining pesticide residues in fruit and vegetables using gas chromatography-high resolution time-of-flight mass spectrometry.

scholarly journals Bioactive Labels for Fresh Fruits and Vegetables

2013 ◽  
Vol 70 (2) ◽  
pp. 75 ◽  
Author(s):  
Liana Nasui ◽  
Dan Vodnar ◽  
Carmen Socaciu
Keyword(s):  
Green Tea ◽  
Bioactive Compounds ◽  
Pesticide Residues ◽  
Fruits And Vegetables ◽  
Glacial Acetic Acid ◽  
The Other ◽  
Microbial Load ◽  
Influence Of Water ◽  
Tea Extract

Pesticide residues and microbial load on the surface of fresh fruits and vegetables becomes a major concern due to the safety and quality of these products for consumer.In order to minimize these risk factors (pesticide residues and microbial load), were achieved labels for fruits and vegetables that are consumed with shell which disintegrates under the influence of water jet and thus reduce the amount of these contaminants. Were elaborated labels based on polymer (chitosan) at a concentration of 2%, which incorporate bioactive compounds from green tea with potential decontaminant of the peel of this products. Green tea extract was obtained by infusing 1 g of dried green tea in 100 ml water at 80° C for 10 minutes. The extract was filtered and then mixed with 2 g chitosan acidified with 0.7% glacial acetic acid and dilute to the mark with distilled water. Were identified bioactive compounds from green tea, using UV-VIS and HPLC. Then were elaborated the labels. These tags were used on pepper, tomato, apple and  nectarine. Were quantified the microbial load and the pesticide residues on their surface unwashed, washed only with water and were monitored the influence of labels on these factors. Identified pesticides were mefenoxan and thiamethoxam, which were quantified by HPLC. In what it concerns the influence, were founded the absence of germs at pepper and a significant decrease at the other. In terms of  the potential of reducing pesticide, the experimental results have indicated that the label can prove its effectiveness.

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