Monitoring and dietary exposure assessment of pesticide residues in cowpea (Vigna unguiculata L. Walp) in Hainan, China

Duan, Yun; Guan, Ni; Li, Pingping; Li, Jianguo; Luo, Jun

doi:10.1016/j.foodcont.2015.05.036

Cited by 60 publications

(19 citation statements)

References 20 publications

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“…For instance, a study [33] reported residues levels of two OCPs; heptachlor and endosulfan on kolanut samples without evaluating the related health risk resulting from consumption of the contaminated kolanuts. To guarantee that any consumed product is sufficiently safe, evaluation of pesticide levels and assessing the potential risk to public health is imperative [35]. Thus, the objectives of the study were to evaluate the concentrations of pesticide residues in kolanuts collected from selected markets in Southwestern Nigeria, compare the detected levels with the maximum residue limits (MRLs) of pesticides as well as the acceptable daily intakes (ADIs) and also estimate the potential health risks associated with each of the organochlorine pesticides in the kolanut samples.…”

Section: Introductionmentioning

confidence: 99%

Organochlorine Pesticide Residue Levels and Potential Human Health Risks in Kolanuts from Selected Markets in Osun State, Southwestern Nigeria

Sosan¹,

Oyekunle²

2017

AJOCS

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Organochlorine Pesticide (OCP) residue were qualitatively and quantitatively determined using Gas Chromatography-Electron Capture Detector (GC-ECD) and their potential health risks assessed in kolanut (Cola nitida) samples from selected markets in Osun State, Southwestern Nigeria. Health risk estimates were analyzed using Estimated Average Daily Intake (EADI) and Hazard Index (HI) with risk categorized for non-carcinogenic health effects. A total of 17 OCPs were identified and their residues were detected in all the kolanut samples analyzed. The results showed that the mean concentration of p,p-DDE, Dieldrin, Endosulfan, and Lindane were 0.480±1.106 mg kg-1 , 0.310±0.442 mg kg-1 , 0.243±0.144 mg kg-1 and 0.044±0.041 mg kg-1 respectively. Among the OCPs analyzed, p,p-DDE and α-HCH were the dominant isomers for DDT and HCH, respectively. The Principal Component Analysis (PCA) results showed that out of the 17 OCPs detected, p,p-DDE,

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Section: Introductionmentioning

confidence: 99%

Organochlorine Pesticide Residue Levels and Potential Human Health Risks in Kolanuts from Selected Markets in Osun State, Southwestern Nigeria

Sosan¹,

Oyekunle²

2017

AJOCS

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“…The optimized 10% EW of BE was stable and safe in accordance with national standards 58 . In this study, the results of the acute toxicological test indicated that the 10% EW of BE had no acute toxic effects, which provided an experimental basis for biosafety to develop and utilize it as a botanical fungicide 59 .…”

Section: Discussionmentioning

confidence: 80%

Anti-fungal activity of moso bamboo (Phyllostachys pubescens) leaf extract and its development into a botanical fungicide to control pepper phytophthora blight

Liao

Ren

Gao

et al. 2021

Sci Rep

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Moso bamboo (Phyllostachys pubescens, Gramineae) is a well-known medicinal and edible plant found in China with various bioactivities, but few systematic studies address the utilization of its anti-fungal activity. The extract of moso bamboo leaf showed good anti-fungal activity to Phytophthora capsici, Fusarium graminearum, Valsa mali Miyabe et Yamada, Botryosphaeria dothidea, Venturia nashicola, and Botrytis cinerea Pers, with inhibitory rate of 100.00%, 75.12%, 60.66%, 57.24%, 44.62%, and 30.16%, respectively. Anti-fungal activity was different by the difference of samples picking time and location. The extract showed good synergistic effects with carbendazim at the ratios of 9:1 and 15:1 (extract : carbendazim), and the co-toxicity coefficients were 124.4 and 139.95. Compound 2 was isolated and identified as the main active component, with the EC50 value of 11.02 mg L−1. Then, the extract was formulated as a 10% emulsion in water, which was stable and had no acute toxic effects. Moreover, a field trial about this formulation was assayed to control pepper phytophthora blight, with the control effect of 85.60%. These data provided a better understanding of the anti-fungal activity and relevant active component of moso bamboo leaf extract. Taken together, our findings illustrated that bamboo leaf extract could be developed and utilized as a botanical fungicide or fungicide adjuvant.

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“…To calculate point-estimate daily intake of nitrate via F&V, firstly, the average nitrate content of each aforementioned F&V was multiplied by its per capita daily consumption to obtain intake from each F&V. The total daily intake per person was determined by summing the intakes from all F&V. Then, point-estimate daily intake was computed through dividing the total daily intake by body weight (Eq. 4) [32].…”

Section: Daily Exposure Assessmentmentioning

confidence: 99%

Monitoring and exposure assessment of nitrate intake via fruits and vegetables in high and low risk areas for gastric cancer

Ghaffari

Nasseri

Yunesian

et al. 2019

J Environ Health Sci Engineer

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Background Gastric cancer (GC) is the first leading cause of cancer-related deaths in Iran. GC is a multifactorial disease and is caused by the interaction of genetic and environmental factors. The aim of this study was to assess the exposure and risk of nitrate intake through fruits and vegetables (F&V) in high-risk area (HRA) and low-risk area (LRA) of GC in Iran. Methods Twenty nine species of F&V were examined for nitrate by reverse-phase HPLC (RP-HPLC) method. Food frequency questionnaire (FFQ) data of 2000 adults participating in Persian cohort were applied to determine consumption patterns of F&V in those areas. A point-estimate daily intake was applied to compare two areas in terms of nitrate intake. Monte-Carlo simulation technique was applied to estimate chronic daily intake (CDI) of nitrate.Results The results showed that point-estimate daily intake of nitrate for subjects participated in the study was 2.02 ± 1.02 mg kg −1 day −1 in HRA and 1.98 ± 1.05 mg kg −1 day −1 in LRA. 6.53% of the participants in the HRA, and 5.9% of the participants in the LRA had an unacceptable point-estimate daily intake compared with an acceptable limit of 3.7 mg kg −1 day −1 established by FAO/WHO. CDI of nitrate in HRA was 1.94 ± 0.95 mg kg −1 day −1 and in the LRA was 1.93 ± 1.06 mg kg −1 day −1 . Conclusion The results showed that there is no difference between HRA and LRA in terms of nitrate intake through F&V.

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Monitoring and dietary exposure assessment of pesticide residues in cowpea (Vigna unguiculata L. Walp) in Hainan, China

Cited by 60 publications

References 20 publications

Organochlorine Pesticide Residue Levels and Potential Human Health Risks in Kolanuts from Selected Markets in Osun State, Southwestern Nigeria

Organochlorine Pesticide Residue Levels and Potential Human Health Risks in Kolanuts from Selected Markets in Osun State, Southwestern Nigeria

Anti-fungal activity of moso bamboo (Phyllostachys pubescens) leaf extract and its development into a botanical fungicide to control pepper phytophthora blight

Monitoring and exposure assessment of nitrate intake via fruits and vegetables in high and low risk areas for gastric cancer

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