Table 5.3.1. Percentage reduction of residues brought about by various steps in processing raw grain for human consumption.
Insecticide |
Rice in husk to husked rice |
Rice in husk to polished rice |
Rice in husk to cooked rice |
Bioresmethrin |
85 |
93 |
97 |
Bromophos |
.. |
.. |
.. |
Carbaryl |
93 |
98 |
99 |
Chlorpyrifos-methyl |
.. |
.. |
.. |
Deltamethrin |
.. |
.. |
.. |
Dichlorvos |
90 |
96 |
100 |
Etrimphos |
.. |
.. |
.. |
Fenitrothion |
92 |
97 |
99 |
Fenvalerate |
.. |
.. |
.. |
Malathion |
90 |
97 |
98 |
Methlicriphos |
90 |
97 |
99 |
Permethrin |
.. |
.. |
.. |
Phenothrin |
90 |
97 |
98 |
Pirimiphos-methyl |
85 |
93 |
97 |
Pyrethrins |
.. |
.. |
.. |
.. = not available
Source: FAO, 1982.