RESIDU PESTISIDA PIRETROID PADA BAWANG MERAH DI DESA SRIGADING KECAMATAN SANDEN KABUPATEN BANTUL

摘要

Pyrethroid pesticide residue in onion from Srigading Village, Sanden District, Bantul Regency has been investigated. The purpose of this study were to analyze, identificate and evaluate pyrethroid pesticide residues in onion. Onion sample was extracted using homogenizer with acetone solvent. Clean-up was done using chromatography column using florisil and determination of pesticide residue in the samples was carried out by gas chromatography apparatus equipped with electron capture detector (GC-ECD). The result showed that pesticide residues in onion sample in the range level: -cypermethrin (98.8-245.6 ppb) and -cyhalothrin (14.4-120.0 ppb). The following pesticides have been detected in some of samples of onion analysed, but they have been detected above the Maximum Residue Limit (MRL).