Evaluation of pesticides residues in Greek peaches during 2002–2007 after the implementation of integrated crop management

Danis, Theocharis G.; Karagiozoglou, Despoina T.; Tsakiris, Ioannis; Alegakis, Athanasios; Tsatsakis, Aristidis

doi:10.1016/j.foodchem.2010.10.083

Cited by 25 publications

(8 citation statements)

References 20 publications

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“…In Belgium, difenoconazole was the fifth pesticide most frequently found (Claeys et al, 2011), and tebuconazole and/or myclobutanil were the main triazoles detected in the European program (EFSA, 2010), in Canada (Ripley et al, 2000) and in Greek peaches (Danis et al, 2011). Fenpropatrin was the main pyrethroid compound found in the Brazilian monitoring program (3.4% of positive samples).…”

Section: Discussionmentioning

confidence: 98%

“…Chlorpyrifos was the second single compound most frequently detected in the Brazilian programs (7.8% of the samples), and the main organophosphorus compound detected. Chlorpyrifos was also the main organophosphorus compound detected in the 2004e2007 Danish monitoring (7.4% the samples; Jensen, Petersen, & Christensen, 2009), and was found in 8.6% of the samples in Europe (EFSA, 2010), 16.9% of samples of food imported to Europe (Hjorth et al, 2011), and in 42.7% of the 1150 peach samples analyzed in 2002e2007 in Greece (Danis, Karagiozoglou, Tsakiris, Alegakis, & Tsatsakis, 2011). Organophosphorous compounds are among the most acute toxic pesticides on the market worldwide, and their registration is being phased out or has been canceled in many countries, including Brazil.…”

Section: Discussionmentioning

confidence: 98%

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Brazilian monitoring programs for pesticide residues in food – Results from 2001 to 2010

2012

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a b s t r a c tA total of 13,556 samples of 22 fruit and vegetable crops, rice, and beans were analyzed within two Brazilian pesticide residue monitoring programs between 2001 and 2010. Pesticide residues were found in 48.3% of the samples, and 13.2% presented some irregularity, mostly non-authorized active ingredient use. Less than 3% of the samples had residue levels above the MRL. Apple, papaya, sweet pepper and strawberry were the crops with the higher percentages of positive samples (about 80%). Dithiocarbamates and organophosphorus compounds were found in 41.6% and 30.8% of the samples, respectively. Carbendazim and chlorpyrifos were the pesticides most found (26.7 and 16.1% of positive samples, respectively). Almost half of the samples analyzed had multiple residues (up to 10 residues), with multiple residues most common in samples of apple, sweet pepper and tomato. About 8% of positive samples contained up to four residues of the same chemical class, mainly organophosphorus compounds (18.6%, mostly in apple) and triazoles (16.1%, mostly in papaya and grape). In general, the scenario of pesticide residues in foods investigated within the Brazilian governmental monitoring programs in the last decade is similar to what has been found in other countries. However, the use of non-authorized active ingredients is a common practice among the farmers in the country, a problem that the government authorities have been trying to solve. A preliminary cumulative acute exposure assessment for organophosphates and carbamates in apple has shown that the intake by individuals 10 years old accounts for 100% of the acephate ARfD, indicating a need to further investigate the exposure through the consumptions of other crops and group of pesticides, mainly for children.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 98%

Brazilian monitoring programs for pesticide residues in food – Results from 2001 to 2010

2012

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“…Serious contaminations of OP compounds in soil, drinking water and agricultural products, bringing about pernicious consequences for public health, have been reported (Danis et al . ; Sinha et al . ; Fadaei et al .…”

Section: Introductionmentioning

confidence: 99%

“…OP compounds are highly toxic, because they can inhibit the acetylcholine esterase in nervous system (Donarski et al 1989). Serious contaminations of OP compounds in soil, drinking water and agricultural products, bringing about pernicious consequences for public health, have been reported (Danis et al 2011;Sinha et al 2011;Fadaei et al 2012). It is urgent to search for effective approaches to decontaminate OP compounds.…”

Section: Introductionmentioning

confidence: 99%

Improving methyl parathion hydrolase to enhance its chlorpyrifos-hydrolysing efficiency

Xie

Yan

Zhang

et al. 2013

Lett Appl Microbiol

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Significance and Impact of the Study: Chlorpyrifos is one of the toxic organophosphorus compounds (OP compounds) widely used for insecticides control. Water, soil and foodstuff have been contaminated seriously by chlorpyrifos in some areas. It is urgent to find effective methods to remove its contamination. This work contributes to improve methyl parathion hydrolase (MPH) to enhance its efficiency in hydrolysing the poorly hydrolysed substrate chlorpyrifos. Our study brings new insights for enzymatic strategy for the decontamination of toxic OP compounds. AbstractMethyl parathion hydrolase (MPH) can degrade a wide range of organophosphorus compounds, but its efficiency in hydrolysing chlorpyrifos, one of the most popular pesticides applied for crop protection, is much lower than that in hydrolysing the preferred substrate methyl parathion. In this study, random mutagenesis was adopted to improve MPH to enhance its efficiency in hydrolysing the poorly hydrolysed substrate chlorpyrifos. Rapid screening of the improved MPH variants was carried out using Bacillus subtilis WB800 secretory expression system to investigate the distribution of improved MPH variants based on the size of clear haloes as a result of chlorpyrifos hydrolysis. Four improved MPH variants were isolated, and one variant K3, in particular, showed a 5-fold increase in k cat value for chlorpyrifos hydrolysis. Furthermore, most of the MPH variants obtained in this study possessed enhanced thermostability and pH stability. The approaches adopted in this study could be extended to create other MPH variants with increased activity for hydrolysing other poorly hydrolysed substrates.

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“…IPM is a careful consideration of all available plant protection methods and subsequent integration of appropriate measures that discourage the development of populations of harmful organisms and keep the use of PPPs and other forms of intervention to levels that are economically and ecologically justified and reduce or minimise risks to human health and the environment (Vasileiadis et al, 2011). In other words, the IPM is a system that includes measures required for a good agricultural practice, for the safety and hygiene of workers, for the safety of products, for the full traceability of measurements and for the preservation of the environment (Danis et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Pesticide residues in samples of apples, lettuce and potatoes from integrated pest management in Slovenia from 2005-2009

Česnik¹,

Bolta²,

Gregorčič³

2012

Acta Agriculturae Slovenica

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In the period from 2005 to 2009 225 samples of apples, lettuce and potatoes from Slovene producers included in integrated pest management (IPM) were analysed for plant protection product (PPP) residues. The samples were analysed for the presence of more than 200 different active compounds using four analytical methods. In 38.7% of apple samples residues were not detected, 58.6% of apple samples contained residues lower than or equal to Maximum Residue Levels (MRLs) while 2.7% of apple samples exceeded MRLs. In 84.6% of lettuce samples residues were not detected, 12.3% of lettuce samples contained residues lower than or equal to MRLs while 3.1% of lettuce samples exceeded MRLs. In 98.0% of potato samples residues were not detected, 2.0% of potato samples contained residues lower than or equal to MRLs and no potato samples exceeded MRLs. Multiple residues were found only in apples and lettuce. The trend observed during the years was the decrease of sample portion of samples containing multiple residues in apples from 2005 to 2008. The most frequently found active substance in apples and lettuce was dithiocarbamates. In potato only phosalone was found.

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Evaluation of pesticides residues in Greek peaches during 2002–2007 after the implementation of integrated crop management

Cited by 25 publications

References 20 publications

Brazilian monitoring programs for pesticide residues in food – Results from 2001 to 2010

Brazilian monitoring programs for pesticide residues in food – Results from 2001 to 2010

Improving methyl parathion hydrolase to enhance its chlorpyrifos-hydrolysing efficiency

Pesticide residues in samples of apples, lettuce and potatoes from integrated pest management in Slovenia from 2005-2009

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