Abstract:
The study was carried out to analyze pesticide residues in two common vegetables
(country bean and bitter gourd) collected from five different locations of Cumilla district
during January to April 2018. The collected samples were carried to the Pesticide
Analytical Laboratory, Entomology Division of Bangladesh Agricultural Research
Institute (BARI), Gazipur on the same sampling day. The collected samples were
analyzed using Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) extraction
technique and Gas Chromatography (GC) coupled with Flame Thermionic Detector
(FTD) for the determination of pesticide resi dues in 40 samples of country bean and
40 samples of bitter gourd. Among the 40 analyzed samples of country bean, 11
samples (22.50% of the total number of samples) contained residues of diazinon and
dimethoate, where two (2) samples contained multiple residues and 7 samples contained
single residue and all the contaminated samples (9 samples) contained residue above the
maximum residue limits (MRLs). Out of 40 samples of bitter gourd, 4 samples (10% of
the total number of samples) contained residues of dimethoate, diazinon and chlorpyrifos,
where 1 sample contained multiple residues and 3 samples contained single residue and
all the contaminated samples (4 samples) contained residue above the maximum residue
limits (MRLs). This study reflects the overall scenario of pesticide residue remain in
country bean and bitter gourd collected from different markets of Cumilla district, which
will help the consumer and policy makers to be aware of their health and safety.
Description:
A Thesis
Submitted to the Department of Agricultural Chemistry
Sher-e-Bangla Agricultural University, Dhaka, in partial
fulfillment of the requirements
for the degree
of
MASTER OF SCIENCE
IN
AGRICULTURAL CHEMISTRY
SEMESTER: JANUARY-JUNE, 2018
