scholarly journals Comparison of questionnaire-based estimation of pesticide residue intake from fruits and vegetables with urinary concentrations of pesticide biomarkers

2017 ◽  
Vol 28 (1) ◽  
pp. 31-39 ◽  
Author(s):  
Yu-Han Chiu ◽  
◽  
Paige L Williams ◽  
Lidia Mínguez-Alarcón ◽  
Matthew Gillman ◽  
...  
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Estimation Of Pesticide

scholarly journals Spatiotemporal Visualization of Insecticides and Fungicides within Fruits and Vegetables Using Gold Nanoparticle-Immersed Paper Imprinting Mass Spectrometry Imaging

Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1327
Author(s):  
Run Qin ◽  
Ping Li ◽  
Mingyi Du ◽  
Lianlian Ma ◽  
Yudi Huang ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Food Safety ◽  
Gold Nanoparticle ◽  
Pesticide Residue ◽  
Rational Design ◽  
Mass Spectrometry Imaging ◽  
Fruits And Vegetables ◽  
Detection Methods ◽  
Safety Issues ◽  
Spatiotemporal Visualization

Food safety issues caused by pesticide residue have exerted far-reaching impacts on human daily life, yet the available detection methods normally focus on surface residue rather than pesticide penetration to the internal area of foods. Herein, we demonstrated gold nanoparticle (AuNP)-immersed paper imprinting mass spectrometry imaging (MSI) for monitoring pesticide migration behaviors in various fruits and vegetables (i.e., apple, cucumber, pepper, plum, carrot, and strawberry). By manually stamping food tissues onto AuNP-immersed paper, this method affords the spatiotemporal visualization of insecticides and fungicides within fruits and vegetables, avoiding tedious and time-consuming sample preparation. Using the established MSI platform, we can track the migration of insecticides and fungicides into the inner region of foods. The results revealed that both the octanol-water partition coefficient of pesticides and water content of garden stuffs could influence the discrepancy in the migration speed of pesticides into food kernels. Taken together, this nanopaper imprinting MSI is poised to be a powerful tool because of its simplicity, rapidity, and easy operation, offering the potential to facilitate further applications in food analysis. Moreover, new perspectives are given to provide guidelines for the rational design of novel pesticide candidates, reducing the risk of food safety issues caused by pesticide residue.

scholarly journals Organophosphate Pesticide Residue in Fruits and Vegetables

2018 ◽  
Vol 14 (2) ◽  
pp. 172-177
Author(s):  
Joko Sudarsono ◽  
Setyo Sri Rahardjo ◽  
Kisrini Kisrini
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Limit Of Detection ◽  
Sampling Procedure ◽  
Cross Sectional ◽  
Traditional Markets ◽  
Measurement Results ◽  
Cross Sectional Design ◽  
Vegetables And Fruits ◽  
Active Substances

The use of the pesticide which does not follow the procedure may potentially cause residue of pesticide to be left on vegetables and fruits sold in supermarkets and traditional markets. We aimed to find the pattern of pesticide usage and levels of residue found in plants. This study was an analytical observation with a cross-sectional design using detailed sampling procedure. We obtained the data of the pesticide residue concentration by conducting laboratory examinations on eight samples of cabbage and eight samples of tomatoes from traditional markets and supermarkets in the city of Solo. The data were tested using simple linear regression testing. The organophosphate measurement results showed no residues were detected, because it was below the Limit of Detection (LOD). We concluded that pesticides containing active substances were not used in the vegetables we tested or the active substances were no longer contained in the vegetables after harvesting.

GC/MIP/AED Method for Pesticide Residue Determination in Fruits and Vegetables

1991 ◽  
Vol 74 (6) ◽  
pp. 991-998 ◽  
Author(s):  
Keh-Chuh Ting ◽  
Peng Kho
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Residue Analysis ◽  
Atomic Emission ◽  
Pesticide Residue Analysis ◽  
Organophosphate Pesticide ◽  
Microwave Induced Plasma ◽  
Organochlorinated Pesticides ◽  
Instrument Response ◽  
Qualitative Confirmation

Abstract This research describes the results of a gas chromatography/microwave induced plasma/atomic emission detection (GC/MIP/AED) method performed on a Hewlett-Packard 5921A system for pesticide residue analysis in fruits and vegetables. Atotal of 6 experiments were conducted: (1) sensitivity and linearity studies for elements S, P, CI, and N by analyzing dursban; (2) a study of instrument response to CI concentration in pesticide molecules; (3) organochlorinated pesticide recoveries; (4) organophosphate pesticide recoveries; (5) carbamate pesticide recoveries; and (6) investigation of metallic pesticides with pllctran and vendex as standards. The rank according to sensitivity and linearity was found to be as follows: S-181>P-178>CI-479>N-174. Instrument response to the concentration of chlorine atoms in the pesticide molecule was linear, with a correlation coefficient of 0.89. Recoveries of organochlorinated pesticides were 91.7-109.3%, with the exception of citrus, whose recovery was affected by coeluting Interferences. Organophosphate recoveries were 73.2% or higher, except for the cygon oxygen analog, which degraded in the GC system under all circumstances. Carbamate recoveries were inconsistent quantitatively; however, the information generated from elements N and S were useful for qualitative confirmation of other methods, such as LC postcolumn derivatization analysis. Overall, the GC/MIP/AED method is powerful for qualitative confirmation in pesticide residue analysis. The instrument’s capability of acquiring multi-elements (CI and P) selectively and accurately is an alternative method for organochlorinated and organophosphate pesticide residue analyses. In addition, the GC/MIP/AED system is easy to use, simple to maintain, and its chromatograms can be interpreted by any chromatography analyst without much prior training.

scholarly journals An Analysis of Pesticide Residue in Vegetables Sold In Zamboanga City, Philippines

2017 ◽  
Vol 29 (1) ◽  
Author(s):  
Maisora T. Tahil
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Food Poisoning ◽  
Heavy Rain ◽  
The Philippines ◽  
Public Markets ◽  
Periodic Monitoring ◽  
Rain Fall ◽  
Selection Of

Pesticide contaminations on vegetables are widespread and found to be one of the causes of food poisoning in the Philippines.  The study examined the presence and determined the quantity of pesticide present in three (3) samples of vegetables sold at the Zamboanga City Public Market and Bagsakan Center, Sta. Cruz Market, Zamboanga City. Purposive random sampling was used in the selection of the three vegetable samples, which were Cabbage (Brassica oleraceaorvarcapitata Linn.), Lettuces (Lactucasativa Linn.), and Cauliflower (Brassica oleracea var. botrytis). This was analyzed at Cagayan de Oro Bureau of Plant Industry, Pesticide Analytical Laboratory. Gas Chromatography was used in the determination of the presence of pesticide residue. Three trials were conducted for each sample and the average was computed for the final result. A No Detection (ND) results the findings to all the samples, an implication that the vegetables which were sold and bought from the two public markets in Zamboanga City were free from pesticide residues.  It is recommended that other fruits and vegetables may be analyzed on different kinds of pesticides considered to be systemic and non-systemic, and after a heavy rain fall. Similarly, recommended that periodic monitoring for pesticide residue and other hazardous chemicals by the appropriate agency responsible for the health and welfare of the general public.

scholarly journals Pesticide residue intake from fruits and vegetables and alterations in the serum metabolome of women undergoing infertility treatment

2022 ◽  
Vol 160 ◽  
pp. 107061
Author(s):  
Robert B. Hood ◽  
Donghai Liang ◽  
Yu-Han Chiu ◽  
Helena Sandoval-Insausti ◽  
Jorge E. Chavarro ◽  
...  
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Infertility Treatment

Monitoring Pesticide Residues in Fruits and Vegetables at Two of the Biggest Fresh Produce Markets in Africa

2016 ◽  
Vol 79 (11) ◽  
pp. 1938-1945 ◽  
Author(s):  
MBULAHENI T. MUTENGWE ◽  
LIZYBEN CHIDAMBA ◽  
LISE KORSTEN
Keyword(s):  
Pesticide Residue ◽  
Fruits And Vegetables ◽  
Fresh Produce ◽  
Monitoring Program ◽  
Agricultural Practices ◽  
Perceived Safety ◽  
Pesticide Monitoring ◽  
Chemical Residues ◽  
Maximum Residue Levels ◽  
Residue Levels

ABSTRACTIn most countries, fresh produce sold at local markets is usually not analyzed for agricultural chemical residues as export products are, which raises concerns about the perceived safety levels of local food supplies in contrast with exported products. The aim of this study was to determine pesticide residue levels in fruits and vegetables sold at two of the biggest fresh produce markets in Africa. A total of 199 fruit and vegetable samples were collected between 2012 and 2014 and analyzed for 74 pesticides commonly used in the horticultural sector. Of the samples analyzed, 91% were compliant with set maximum residue levels (MRLs). The remaining samples either contained unregistered chemicals (8%) or exceeded set MRL values (1%). Products containing more than one pesticide residue constituted 4.02% of all samples tested. Imazalil and iprodione were found to be the most frequently detected pesticides (12 samples each). Boscalid, endosulfan, profenofos, and procymidone were associated with the most noncompliance, including exceeding MRL values or being unregistered for the specific crop. The establishment of a national pesticide monitoring program is essential for the country and would ensure that pesticides are used in accordance with good agricultural practices.

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