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0000058872 00000 n 0000018279 00000 n Enter the email address you signed up with and we'll email you a reset link. It is necessary to maintain a reasonable approach to fertilizing and the use of plant protection products, because they also increase accumulation of these metals in plants. The order of the metal contamination in the vegetables was Fe > Cu > Zn in Farm A and Cu> Fe> Zn in Farm B. health through the consumption of vegetable crops. of heavy metals in vegetables in the following Table II. Materials and Methods 2.1. After the samples were collected, the experiment was done, and every kind of heavy metal was measured three times, and the results were as Table III[2,3]. %PDF-1.4 %âãÏÓ 0000080293 00000 n 3.3 Permissible Guidelines for Heavy Metals in Vegetables Permissible guidelines are standard values set by Food and Agriculture Organization and World Health Organization (FAO/WHO) and other authorities to monitor levels of heavy metals in vegetables. Although some of the heavy metals such as Zn, Mn, Ni and Cu act as micro-nutrients 2. The average concentrations of heavy metals detected in green leafy vegetables ranged from 0.71-15.89, 0.07-0.97, 0.18-5.05, 0.18-1.59, 7.05-18.44 mg/kg for Ni, Cd, Cr, Pb and Cu respectively, on dry matter basis. Cr, Mn, Fe, Ni, Cu, Zn, Cd, Pb and Hg were significantly accumulated in commonly used vegetables i.e. As large amounts of these vegetables are consumed yearly we found that it is necessary to conduct our research on the vegetables to determine the concentration of some toxic heavy metals in vegetables from different areas of Dohuk city which are irrigated with wastewater. Abstract. 0000011276 00000 n 0000011545 00000 n Location of sampling regions. Health implications to the population due to the consumption of contaminated vegetables has been a great concern all over the world. Although certain heavy metals are essential plant nutrients, plants grown in contaminated soil accumulate high levels of heavy metals, causing a high prevalence of upper gastrointestinal cancer [6]. Vegetables are an important part of forming an important source of carbohydrates, proteins, a relative density greater than 4g/cm3 and occur naturally in rocks but concentrations are frequently Grant and Grant, 1987). not the main sources of essential metals, but are also the media through which we are exposed to various toxic metals. Heavy metals in vegetables accumulate through uptake from soil, water and atmosphere. Heavy metals can be found in the tissues of crops including vegetables and fruits. tilizers, which are reported to be a source of metals in food [10,11]. Sorry, preview is currently unavailable. They are found in elemental form and in a variety of other chemical compounds. 0000014625 00000 n Heavy metals are found in the earth crust and they can exist in the environment for a long time without any 0000113590 00000 n Dietary exposure to several heavy metals including Ni, Cd, Cr, Co, Pb, As, Hg, Zn and Cu, has been recognized as a risk to human. 0000018737 00000 n Food Control 36, … 0000018008 00000 n 0000006406 00000 n 0000113991 00000 n It was also observed that spinach has a good In the fruit samples, the minimum and maximum manganese (Mn) levels observed were 6.06 mg/kg in mango and 24.76 mg/kg in jackfruit ( Table 1 ). In the vegetable samples, the lowest and highest amounts of Mn were found in potato (6.928 mg/kg) and bean (28.352 mg/kg), respectively ( Table 2 ). Huang, Z., Pan, X.-D., Wu, P.-G., Han, J.-L. & Chen, Q. The vegetable samples were analysed for heavy metals such as Pd, Cd ,Zn and Cu. 0000115520 00000 n 2010). However, intake of heavy metal-contaminated vegetables may pose a risk to the hu-man health. Findings are from “Lead levels of edibles grown in contaminated residential soils: a field survey,” published in the Science of the Total Environment. 0000002073 00000 n 0000003945 00000 n Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. 0000001386 00000 n <]>> 2727 0 obj <> endobj Presence of heavy metals in fruits and vegetables: Health risk implications in Bangladesh Nazma Shaheen a, *,Nafis Md. Heavy metals may be present as a deposit of the surface of the vegetable, or may be taken up by the crop roots and incorporated into the plant tissue. 0000013387 00000 n xÚìÑA 0ð40Æ}\Gc×Óìö¤Éè—æzÀC.

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