نتایج جستجو برای: residues of pesticides

تعداد نتایج: 21167836  

روشنایی, قدرت‌ا..., شکوهی, رضا, صمدی, محمدتقی, لیلی, مصطفی, پیرمغانی, امین,

Background and purpose: In this study, we investigated the ethion insecticide residues in greenhouse cucumber and the effects of some procedures in reducing its amount before consumption in Hamadan, 2015. Materials and methods: Five greenhouses were randomly selected and in spring a total of 90 samples was analyzed for the effects of treatments including washing for 2 min and different s...

  Background and purpose: Pesticides can accumulate in the body due to chronic toxicity. This accumulation is caused by direct exposure to the chemicals or indirect exposure, i.e. foods, breathing, and skin. This study was performed to assess the levels of diazinon and malathion residues in cucumber produced in Mazandaran province, Iran. Materials and methods: In this experimental study,...

2016
Azadeh Nasiri Maryam Amirahmadi Zahra Mousavi Shahram Shoeibi Alireza Khajeamiri Farzad Kobarfard

Cucumber is one of the main vegetables in Iranian food basket. A wide range of pesticides are used for crops protection during the cultivation of vegetables such as cucumber due to heavy pest infestation. Analysis of pesticide residues in food and other environmental commodities have become essential requirement for consumers, producers, and food quality control authorities. This study was aime...

2017
Yan Yu Senke Hu Yuxuan Yang Xiaodan Zhao Jianjun Xue Jinghua Zhang Song Gao Aimin Yang

BACKGROUND A wide range of pesticides is applied for crop protection in vegetable cultivation in China. Regulation of pesticide maximum residue limits (MRLs) in vegetables is established but not fully enforced. And pesticide residues in vegetables were not well monitored. This study conducted the monitoring surveys from 2011 to 2013 to investigate the pesticides in vegetables in the northwest r...

2013
Maryam Amirahmadi Shahram Shoeibi Mehdi Abdollahi Hossein Rastegar Roya Khosrokhavar Morteza Pirali Hamedani

Tea is an agricultural product of the leaves, leaf buds, and internodes of various cultivars and sub-varieties of the Camellia sinensis plant, processed and vulcanized using various methods. Tea is a main beverage in Iranian food basket so should be free from toxic elements such as pesticides residue. There is no data bank on the residue of pesticides in the consumed black tea in Iran. The pres...

Journal: :محیط زیست طبیعی 0
سید حسین خزاعی عضو هیأت علمی دانشکده منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر، ایران نعمت ا... خراسانی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران خلیل طالبی جهرمی استاد دانشکده کشاورزی، دانشگاه تهران، ایران مجید احتشامی استادیار دانشکده عمران، دانشگاه خواجه نصیرالدین طوسی، ایران

most areas of plain regions in mazandaran province are planted with rice, and different pesticides and fertilizers are used at high densities to increase the yield of production. diazinon is the main insecticide that being used to control chilo supressalis walker. the main problem is the high groundwater table in the region, and consumption of this water by local people and anthropogenic side e...

Journal: :Environmental toxicology and pharmacology 2015
Eman M Shaker Eman E Elsharkawy

Raw buffalo milk samples from the agroindustrial zone in upper Egypt were analyzed for the presence of organochlorine and organophosphorus pesticides using gas chromatography-mass spectroscopy. Five organochlorine pesticides namely, alachlor, dieldrin, hexachlorobenzene, lindane and methoxychlor and three organophosphorus pesticides chlorpyrifos, malathion, and parathion-methyl were detected in...

2014
Terence Centner Nicholas Eberhart

Agricultural producers and public health authorities apply pesticides to control pests that damage crops and carry diseases. Due to the toxic nature of most pesticides, they are regulated by governments. Regulatory provisions require pesticides to be registered and restrictions operate to safeguard human health and the environment. Yet pesticides used near surface waters pose dangers to non-tar...

Introduction: In recent years, due to the increase in the use of pesticides in agricultural products and its entry into the human food chain, there has been an increase in concerns about the health of food among people. Therefore, the purpose of conducting this research is to validate the analysis method. 25 pesticide residues in rice using LC-MS/MS. Methods: In this research, a simultaneous an...

2012
C. Pirard

Several Belgian beekeepers were asked to shut down their hives due to withering of the hive. The cause of the withering was unknown. A multi-factoral study was initiated, which included a multi-class pesticide residue study from honey, to determine if pesticides were the cause of the decline. The extensive distribution of pesticides causes bees that have been fed on contaminated blossoms to tra...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید