BIOCHEMICAL STUDIES ON DEGRADATION OF SOME PHOSPHORUS COMPOUNDS DURING GRAINS STORAGE

Abstract

Two varieties of wheat grains, Sakha 69, and Giza 164 were treated with malathion and alum­ inum phosphide at two concentrations 2 and 4 ppm for each. All treated wheat grains were stored at room temperature for 180 days. The samples were taken for analysis after 0,1,3,7,15,30,60,90,120, 150 and 180 days to determine the residues of malathion insecticide outside and inside wheat grains, and for studying the effect of malathion and aluminum phosphide on the components of wheat grains, i.e. protein,. amino acids, lipids, sugars and on germination of wheat grains. The storage of treated wheat grains showed that the residues of malathion insecticide in Sakha 69 was less than that of Giza 164. Also, the total residues were lower than the allowed tolerance. There was an observed decrease in total protein content of two varieties of treated wheat grains during storage.

The quantitative determination of amino each variety, indicated that the use of des decreased the amino acids content.