MEASUREMENT OF CHEMICAL PESTICIDE RESIDUES IN CAPSICUM GROWN IN SOUTH INDIA
Capsicum (also known as peppers) is a genus of flowering plants in the nightshade family
Solanaceae.Capsicum grown in five districts of Karnataka (Bangalore urban, Bangalore
rural, Kolar, Chikkaballapura and Ramanagara) were analyzed for 20 pesticide residues by
Gas liquid Chromatography equipped with ECD and FCD. Recovery studies performed at
0.1, 0.5 and 1.0mg kg-1
fortification levels of each compound and recoveries obtained
ranged from 743%-97% with relative standard deviation lower than 7.5%. The method
showed the good linearity over the range assessed 0.01-1.0mg kg-1
was analyzed for acephate, chlorphyriphos, dichlorvos, phorate, deltamethrin, fenvalerate
and cyfluthrin-ȕ residues. Except phorate none of the residues in capsicum crossed the
MRL. Phorate was detected in samples from Ramanagara district while 12.5% samples
from Bangalore rural, chikkaballapura and Kolar district showed phorate residues
exceeding the MRL value of 0.05mg kg-1
. Cyfluthrin-ȕ residue is in higher proportion in
capsicum samples from Bangalore rural than Bangalore urban. It is therefore required to
investigate extensively the monitoring studies covering all the vegetables crops from
different agro-climatic zones of Karnataka to know the exact status of pesticide
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