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Elemental characterization of wild edible plants from countryside and urban areas, Renna, Massimiliano, Cocozza Claudio, Gonnella Maria, Abdelrahman Hamada, and Santamaria Pietro , Food Chemistry, Volume 177, p.29–36, (2015) AbstractWebsite

Abstract: Wild edible plants (WEP) represent a nutritious and important food source in many countries. In this study the content of 13 elements (Na, K, Ca, Mg, Fe, Mn, Cu, Zn, Cr, Co, Cd, Ni and Pb) in 11 different genotypes of WEP was determined by inductively coupled plasma-optical emission spectroscopy. Each genotype was collected from the inner countryside and from fields near the highways of the metropolitan area of Bari (Apulia region). The elements intake by the consumption of potential serving sizes of WEP was also evaluated and discussed.Independently from the harvesting area, Borago officinalis and Papaver rhoeas could be considered good sources of Mn and Fe, respectively. Amaranthus retroflexus and Sinapis arvensis may contribute to an adequate intake for Ca, while Portulaca. oleracea may be a good source of Mg. In contrast, the Pb content in Plantago lagopus (1.40 mg kg-1 FW) and A. retroflexus (0.33 mg kg-1 FW) - both harvested from the inner part of the countryside (IPC) areas - was over the maximum level fixed by the in EC regulation 1881/2006. The Cd content of A. retrof