Download Decontamination of Pesticide Residues in the Environmental: by G. K. Kohn (auth.), Francis A. Gunther (eds.) PDF

By G. K. Kohn (auth.), Francis A. Gunther (eds.)

That residues of pesticide and different "foreign" chemical compounds in nutrition­ stuffs are of shock to everybody all over is abundantly attested through the reception accorded past volumes of "Residue studies" and by means of the pleasurable enthusiasm, sincerity, and efforts proven through all of the in­ dividuals from whom manuscripts were solicited. regardless of a lot propaganda on the contrary, there can by no means be any severe query that pest-control chemical compounds and food-additive chemical compounds are necessary to sufficient meals construction, manufacture, advertising, and garage, but with out carrying on with surveillance and clever regulate a few of those who persist in our foodstuffs might from time to time conceivably endanger the general public health and wellbeing. making sure safety-in-use of those many chemical compounds is a dynamic problem, for demonstrated ones are consistently being dis­ put by means of newly constructed ones extra applicable to nutrition tech­ nologists, pharmacologists, toxicologists, and altering pest-control standards in innovative food-producing economies. those concerns are of actual difficulty to expanding numbers of governmental businesses and legislative our bodies worldwide, for a few of these chemical compounds have led to a couple of mishaps from flawed use. sufficient safety-in-use reviews of any of those chemical compounds in line with­ sisting into our foodstuffs should not uncomplicated concerns, and so they comprise the thought of judgments of a lot of persons hugely proficient in various complicated organic, chemical, foodstuff technological, clinical, pharmacological, and toxicological disciplines.

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Extra resources for Decontamination of Pesticide Residues in the Environmental: Atlantic City Meetings of the American Chemical Society September 1968

Example text

One group was not starved and used as a control. Tables III and IV Table m. DDT and DDE residues in abdominal fat samples of laying hem (WESLEY et al. 1 Table IV. Residues of DDT and DDE in egg yolk as influenced by management of layers (WESLEY et al. 3 . 0 The hens were out of production due to management practices. contain data from WESLEY et al. (1966) which demonstrated some increase in rate of removal by these techniques. m. DDT + DDE were available from the contaminated birds on the high protein ration 14 weeks after decontamination started.

D. D. D. 27 Vitamin A activity units from carotene/lb. 4 (%) Crude protein Table XVI. =' ~ I ~ ~ ~ + - + + + + + + + + + + + + + + + High percent protein probably due to residual ammonia. o Stirred for 15 minutes at 60° to 70° C. 5 hr. 5 hr. Refluxed 1 hr. in 15% NH3 in H2O Refluxed 1 hr. in 20% KOH in EtOH Agitated C in 2% KOH and 98% EtOH Agitated C in 2% NaOEt and 98% EtOH Agitated C in 2% NaOMe and 98% EtOH Agitated C in 2% NaOEt and 98% H2O Agitated C in 100% H2O Agitated C in 100% EtOH Benzene-vapor treated Steam-vapor treated Ammonia-vapor treated Three 15 min.

M. following a five minute cold water wash, a reduction of 96 percent. We have given some consideration in our laboratory to a carrier solution which would give good contact and coverage but which could be easily removed when desired. We chose the long chain fatty alcohols tetradecanol and heptadecanol hoping that the pesticide, in this case parathion, would have greater affinity for the carrier and would not penetrate plant tissue to as great an extent. Whether our basic premise is true or not is not known at this time; we did find out that we were not able to remove parathion from plant tissue with any greater facility when the insecticide was applied in a fatty alcohol.

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