نتایج جستجو برای: residues of pesticides

تعداد نتایج: 21167836  

2016
Mostafa LEILI Amin PIRMOGHANI Mohammad Taghi SAMADI Reza SHOKOOHI Ghodratollah ROSHANAEI Ali POORMOHAMMADI

BACKGROUND The objective of this study was to determine the residual concentrations of ethion and imidacloprid in cucumbers grown in greenhouse. The effect of some simple processing procedures on both ethion and imidacloprid residues were also studied. METHODS Ten active greenhouses that produce cucumber were randomly selected. Ethion and imidacloprid as the most widely used pesticides were m...

ژورنال: سلامت و محیط زیست 2020

Background and Objective: pesticides are essential to protect plants from pests and diseases. Extensive and unsafe use of pesticides by farmers pose various risks to human health and the environment. Therefore, the present study evaluates farmers' knowledge, attitudes, and behaviors regarding pesticides use and the health problems associated with their use. Materials and Methods: In this human...

2012
Doaa A El-Morsi Rania H Abdel Rahman

Pesticides exposure has been linked with many childhood diseases including endocrine and immune disorders. The aim of the present study is to monitor the levels of pesticides residues in a group of Type 1 Diabetic Children (TID) in our locality and to explore if there is correlation between presence of pesticides and risk of occurrence of TID. One hundred and ten Egyptian children; their ages r...

Journal: :Journal of Veterinary Medical Research 2019

2004
RO Awofolu OS Fatoki

Persistent organochlorines such as ΣDDT, chlordane, hexachlorobenzene (HCB), heptachlor and endosulfan were determined in water and sediment samples of freshwater systems in the Eastern Cape Province of South Africa that receive runoff from agricultural lands and effluents from industries. The organochlorine pesticides (OCPs) in water and sediments were determined by liquid/liquid extraction an...

2012
Hayati Filik Sema Demirci Çekiç

Pesticides including organochlorine pesticides (OCPs), organophosphorus pesticides (OPPs), and nitrogen-containing herbicides are types of well-known environmental contaminants. Pesticides are generally categorized based upon their persistence in the environment. Organochlorine pesticides are considered persistent pesticides. These pesticides have long environmental half-lives and tend to bioac...

Journal: :Journal of food science and technology 2014
Usha Bajwa Kulwant Singh Sandhu

Pesticides are one of the major inputs used for increasing agricultural productivity of crops. The pesticide residues, left to variable extent in the food materials after harvesting, are beyond the control of consumer and have deleterious effect on human health. The presence of pesticide residues is a major bottleneck in the international trade of food commodities. The localization of pesticide...

Journal: :Journal of AOAC International 2000
B D Ripley L I Lissemore P D Leishman M A Denommé L Ritter

For the 5-year period 1991 to 1995, 1536 vegetable and 802 fruit samples were analyzed. The purpose of this study was to determine if pesticides were present on Ontario-produced fruits and vegetables, and if so, to determine if residues violated maximum residue limits (MRLs). Overall, 31.5% of the samples had no detectable pesticide residues, whereas 68.5% contained one or more residues. Most o...

Journal: :international journal of environmental research 2014
r. el-osmani s. net d. dumoulin m. baroudi h. bakkour

due to the uncensored use of pesticides in the agricultural regions of lebanon, the contaminationrisks of drinking water by organic residues increase periodically in planting seasons. no previous work havebeen considered in north lebanon plain concerning pesticide pollution though it is the second agriculturalzone in lebanon with an excessive activity. in this context, the aim of this study was...

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