Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/113518
Title: Impact of chemical elements released by the volcanic eruption of La Palma (Canary Islands, Spain) on banana agriculture and European consumers
Authors: Hernández, Ángel Rodríguez 
Díaz-Díaz, Ricardo
Zumbado Peña, Manuel Luis 
Bernal-Suárez, María del Mar
Acosta Dacal, Andrea Carolina 
Macías Montes, Ana 
Travieso Aja, María Del Mar 
Rial Berriel, Cristian Javier 
Henríquez Hernández, Luis Alberto 
Domínguez Boada, Luis María 
Pérez Luzardo, Octavio Luis 
UNESCO Clasification: 23 Química
531201 Agricultura, silvicultura, pesca
Keywords: Heavy Metals
Magmatic Material
Molybdenum
Rare Earth Elements
Volcanic Ash
Issue Date: 2022
Journal: Chemosphere 
Abstract: The recent volcanic eruption on the island of La Palma has aroused the concern of banana producers and consumers, given that in its area of influence there are thousands of hectares of banana plantations with an annual production of about 100 million kilos for export. Since volcanoes are one of the main natural sources of heavy metal contamination, we sampled bananas from the affected area and determined the concentrations of 50 elements (Ag, Al, As, Au, Ba, Be, Bi, Cd, Ce, Co, Cr, Cu, Cu, Dy, Er, Eu, Fe, Ga, Gd, Hg, Ho, In, La, Lu, Mn, Mo, Nb, Nd, Ni, Os, Pb, Pd, Pm, Pr, Pt, Sb, Sc, Se, Sm, Sn, Sr, Ta, Tb, Th, Ti, Tl, Tm, U, Y, Yb and Zn). The levels of 36 elements were elevated but the washing implemented after the eruption can remove a good part. After the washout, bananas have elevated levels of Fe, Al, Ti, V, Ba, Pb, most of the rare earth elements, Mo, and Co. In all cases, except Mo, the elevation is much higher in the peel than in the flesh. In the case of Mo, the elevation in banana flesh would translate into a higher nutritional intake of this trace element, which could represent up to 35% of the daily nutritional requirements. Exposure to toxic or potentially toxic elements, does not represent a health risk, since would not exceed 5% of the tolerable daily intake, even in the worst-case scenario.
URI: http://hdl.handle.net/10553/113518
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2021.133508
Source: Chemosphere[ISSN 0045-6535],v. 293, (Abril 2022)
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