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Determination and Quantification of Left Over Residues of Ethephon in Tomato, Banana and Mango

M.A. Rahman
Senior Scientific Officer
Entomology Division, BARI, Gazipur

M.S. Ahmed
Senior Scientific Officer
Entomology Division, BARI, Gazipur

M.W. Akon
Scientific Officer
Entomology Division, BARI, Gazipur

A. Begum
Scientific Officer
Entomology Division, BARI, Gazipur

Abstract/ Executive Summary:

A study was carried out for detection and quantification of ethephon residues in different marketed tomato, banana and mango samples during 2011-12 at pesticide analytical laboratory, Entomology Division, BARI, Gazipur. Among the 30 tomato samples 14 contained ethephon residues, the level was 0.34-0.92ppm and no ethephon residues were detected in other 16 samples. In case of 21 banana samples 12 samples did not contained any ethephon residues, 9 had ethephon residues and the level was 0.01-0.26 ppm. Among the 12 mango samples all contained ethephon residues (0.25-0.58ppm). However,in all the cases the detectable ethephon residue level were below MRL.

Keywords: Tomato, Banana, Mango, Ethephon

Location: Gazipur

Start Date: 01-07-2011

End Date: 30-06-2012

Program Area: Pest Management

Commodity: Banana, Tomato, Mango

Objectives:

To detect and quantify left over residue of ethephon in tomato, banana and mango.

Methodology:

The study was carried out for detection and quantification of ethephon residues in different marketed tomato, banana and mango samples during 2011-12 at pesticide analytical laboratory, Entomology Division, BARI, Gazipur. GC-2010 equipped with Flame Thirmionic Detector (FTD) was used for analysis of ethephon in tomato, banana and mango with other selected parameters. The standard for the ethephon was obtained from Sigma-Aldrich Laborchemikalien, Gmbh P.O. Box-100262, D-30918, Seelze, Germany via Bangladesh Scientific Pvt. Ltd. Dhaka, Bangladesh. The standard contained >99.6% purity. The tomato, banana and mango samples were collected from the market of different regions of Bangladesh.

Source of Information: Annual Report 2011-2012, Entomology Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 100,000.00

Total Budget (Tk.) : 100,000.00

Achievement/Findings:

Among the 30 tomato samples 14 contained ethephon residues, the level was 0.34-0.92ppm and no ethephon residues were detected in other 16 samples. In case of 21 banana samples 12 samples did not contained any ethephon residues, 9 had ethephon residues and the level was 0.01-0.26 ppm. Among the 12 mango samples all contained ethephon residues (0.25-0.58ppm). However,in all the cases the detectable ethephon residue level were below MRL.

Knowledge Management: Report/Proceedings