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Concentration of arsenic by selected vegetables cultivated in the Yamuna flood plains (YFP) of Delhi, India
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Land and Water Resources Engineering. (KTH-International Groundwater Arsenic Research Group)ORCID iD: 0000-0003-4350-9950
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2014 (English)In: Environmental Earth Sciences, ISSN 1866-6280, E-ISSN 1866-6299, Vol. 72, no 9, 3281-3291 p.Article in journal (Refereed) Published
Abstract [en]

High Arsenic (As) concentrations have been reported in superficial water in the Yamuna flood plains (YFP), Delhi, which is being extensively used for agriculture. The concentration of As in some common vegetables such as Solanum lycopersicum (tomato), Abelmoschus esculentus (lady's finger), Solanum melongena (brinjal), Lagenaria siceraria (bottle gourd), Raphanus sativus (radish), Zea mays (corn), and Luffa acutangula (ridge gourd) has been studied in this work. The range of As concentrations (dry weight) varies from 0.6 to 2.52 mg/kg with the highest accumulation of 2.52 mg/kg in radish followed by tomato (2.36 mg/kg). The order of As concentration in the decreasing order is R. sativus>S. lycopersicum>Z. mays>L. acutangula>L. siceraria>S. melongena>A. esculentus. Thus, As accumulation is the highest in roots and the lowest in least juicy fruits. The daily dietary intake of As through the consumption of various vegetables was also calculated. Though the mean As concentration was the highest in radish (2.52 mg/kg) but the highest amount of As is being consumed through tomato (0.383 mg/day), which is nearly three times the World Health Organization's provisional maximum tolerable daily intake limit of 0.126 mg/day for a 60 kg person. High concentration of As in vegetables grown in YFP, Delhi is being reported here. This high contamination is primarily due to the presence of As in irrigation water having its source from coal-based thermal power plants in the vicinity of the area. If not checked properly, it will pose a serious health risk to people living in these densely populated areas surrounding YFP.

Place, publisher, year, edition, pages
2014. Vol. 72, no 9, 3281-3291 p.
Keyword [en]
Arsenic, Vegetables, Ground water, Yamuna flood plain, Dietary intake
National Category
Oceanography, Hydrology, Water Resources Geosciences, Multidisciplinary
URN: urn:nbn:se:kth:diva-156434DOI: 10.1007/s12665-014-3232-7ISI: 000343899900004ScopusID: 2-s2.0-84919845458OAI: diva2:768561

QC 20141204

Available from: 2014-12-04 Created: 2014-11-28 Last updated: 2014-12-04Bibliographically approved

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