Table 2.
Maximum Residue Levels (MRLs)* for the OCP residues in plant samples.
| Compound | Pesticide residue obtained (ppm) in the present study | Codex MRL (mg/kg ) | Year of adoption | ADI (mg/kg BW) | Endocrine Disrupting Effects$ |
|---|---|---|---|---|---|
| γ-HCH | 0.581 – 0.586 | 0.01 | 2016 | 0–0.005 | Reduction of oestrous cycles and luteal progesterone concentrations. Increase of insulin and estradiol blood serum concentrations, decrease thyroxine concentrations |
| Heptachlor epoxide isomer | 0.513 – 1.174 | NA | NA | NA | Binding to cellular estrogenic and androgen receptors |
| Dieldrin1 | 0.489–0.490 | 0.05–0.1 | 1997 | 0.0001 | Competitive binding to androgen receptors, estrogenic effect, stimulation of estrogenic receptor production |
| Endrin2 | 0.542–0.648 | 0.05 | 1997 | 0.0002 | Competitive binding to androgen receptors |
| Endrin Aldehyde | BDL–0.630 | NA | NA | NA | |
| Endrin Ketone | 0.557–0.579 | 0.05 | 1997 | 0.0002 |
Source: http://www.fao.org/fao-who-codexalimentarius/standards/pestres/en/ (accessed on 09.03.2017). *MRLs as adopted by the Codex Alimentarius Commission up to and including its 39th Session (July 2016). MRLs mentioned are for straw / stems, and these are based on extraneous residues.
$ Source: Munif et al. (2011).
1 0.05 mg/kg is for leafy vegetables, and 0.1 mg/kg is for root and tuber vegetables.
2 for Fruiting vegetables.
ADI acceptable daily intake, BW body weight.