Residue Pesticides (Pyrethroid Group) in Vegetable and Their Health Risk Assessment via Digestion on Consumers in Ha Nam Province, Vietnam

Abstract

Pyrethroid group are insecticides recommended for protection against insects by governed organization such as World Health Organization (WHO) and the European Union (EU). They are widely used in agriculture, households, forestry, horticulture, medicine and veterinary medicine. In Vietnam, these pesticides were used with huge amount in crops, especially in vegetable. The residues of λ- cyhalothrin, permethrin, cypermethrin, deltamethrin in four vegetable head mustard, leaf mustard, choy sum, bok choy were detected by GC/MS technique. 84 samples of four leafy vegetable in Brassicaceae family were colleted from seven places (farms, stores, markets) in Ha Nam Province. The levels of λ- cyhalothrin in three samples, cypermethrin in four samples, deltamethrin in four samples were above the maximum residue limit of Vietnam Government. There were no significant of health risk by these pesticides via digestion vegetable but the risk for kid was higher than for adult. Their health risk on cosumers using these vegetable were evaluated.