Metals Uptake by Wastewater Irrigated Vegetables and their Daily Dietary Intake in Peshawar, Pakistan / Pobieranie Metali Przez Warzywa Nawadniane Ściekami I Ich Dzienne Stężenie W Diecie Ludności Peszawaru, Pakistan

• Authors: Sher Ali Khan , Xiaoyu Liu , Bakht Ramin Shah , Wenting Fan , Hong Li , Sher Bahadhar Khan , Zahoor Ahmad
• Languages of publication: EN

Abstracts

EN

Vegetables are important source of nutrients for human body. Wastewater irrigation may lead to contamination of these vegetables and cause possible health risk. In the present study impact of waste water irrigation on metals uptake (Fe, Mn, Ni, Co, Zn, Cd, Cr and Pb) by five commonly consumed vegetables (radish, cabbage, lettuce, cauliflower and spinach) grown in the suburbs of Peshawar were investigated using AAS (Atomic Absorption spectrophotometer). The uptake and accumulation of metals for vegetables irrigated with wastewater were significantly (p < 0.05) higher than tube well irrigated vegetables and permissible limits of WHO/FAO. Among the edible parts of vegetables maximum accumulation of Mn, Pb and Cd occurred in radish followed by Ni and Fe in spinach while Cr and Zn were high in cauliflower and cabbage. The estimated daily intake of metals (DIM) revealed that at present the consumption of studied vegetables were under the tolerable limits of (US-EPA, IRIS), however intake of metals in waste water irrigated vegetables were significantly high and can cause health hazards in the long run

PL

Warzywa są ważnym źródłem składników odżywczych dla organizmu człowieka. Nawadnianie ściekami może prowadzić do zanieczyszczenia tych warzyw i powodować zagrożenie dla zdrowia. Zbadano wpływ nawadniania roślin ściekami na pobieranie metali (Fe, Mn, Ni, Co, Zn, Cd, Cr i Pb) przez pięć powszechnie spożywanych warzyw (rzodkiewka, kapusta, sałata, kalafior i szpinak), uprawianych na przedmieściach Peszawaru. Stężenia metali oznaczono za pomocą AAS (atomowej spektrometrii absorpcyjnej). Pobieranie i akumulacja metali w warzywach nawadnianych ściekami były istotnie (p < 0,05) wyższe niż dopuszczalne granice podawane przez WHO/FAO. Wśród części jadalnych warzyw maksymalna akumulacja Mn, Pb i Cd wystąpiła w rzodkiewce, Ni i Fe w szpinaku, natomiast Cr i Zn w kalafiorze i kapuście. Oszacowane dzienne stężenie metali w diecie ludności wykazało, że obecna ich ilość w badanych warzywach mieściła się w dopuszczalnych granicach (US-EPA, IRIS), jednak stężenia metali w warzywach nawadnianych ściekami były wysokie, co może powodować zagrożenie dla zdrowia w dłuższym okresie

Keywords

EN

heavy metals; vegetables; daily intake of metals; wastewater; bioconcentration factor; Peshawar

PL

metale ciężkie; warzywa; dzienne stężenie metali w diecie ludności; ścieki; czynnik biokoncentracji; Peszawar

• Publisher: De Gruyter Open
• Journal: Ecological Chemistry and Engineering S
• Year: 2015
• Volume: 22
• Issue: 1
• Pages: 125-139

Dates

published

1 - 3 - 2015

online

18 - 4 - 2015

Contributors

author

Sher Ali Khan

• Agricultural Research Institute Tarnab, Peshawar, Pakistan / College of Food Science & Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. China

author

Xiaoyu Liu

• College of Food Science & Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. China / Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan 430070, P.R. China

author

Bakht Ramin Shah

• The University of Agriculture, Peshawar, Pakistan / College of Food Science & Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. China

author

Wenting Fan

• College of Food Science & Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. China

author

Hong Li

• College of Food Science & Technology, Huazhong Agricultural University, Wuhan, 430070, P.R. China

author

Sher Bahadhar Khan

• The University of Agriculture, Peshawar, Pakistan

author

Zahoor Ahmad

• The University of Agriculture, Peshawar, Pakistan

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Identifiers

DOI

10.1515/eces-2015-0008