Survey of trace elements and pesticide residues in the new zealand diet part 2 organo chlorine and organo phosphorus pesticide residue content

Dick, G.L.; Heenan, M.P.; Love, J.L.; Udy, P.B.; Davidson, F.

New Zealand Journal of Science 21(1): 71-78

1978


ISSN/ISBN: 0028-8365
Accession: 006551246

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Abstract
The levels of organophosphorus and organochlorine pesticide residues in 8 composite food and beverage groups were determined by GLC. The food groups were compiled at quarterly intervals in Auckland, Wellington, Christchurch and Dunedin, in a survey of a simulated New Zealand total diet that supplied an energy intake of 16.7 MJ(4000 kilocalories)/day. Of the composites 30% contained organophosphorus residues; maldison was the most common and occurred mainly in the cereal group. The highest incidence of organophosphorus residues was in the fruit group, where azinphos-methyl and omethoate were predominant. Of the composites 50% contained organochlorine residues, generally at very low levels. DDE was the predominant residue, occurring in most cereal, meat and dairy product composites; the parent compound, DDT, was detected only occasionally. Seasonal geographical variations in the incidence of residues were evident. The daily intakes of pesticides in the total diet were well below values set for acceptable daily intake and were similar to values found in total diet studies in other countries.