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Titolo:
Total arsenic accumulation in edible pods and seeds of Phaseolus vulgaris
Autore:
Aracil, P; Burlo, F; Lario, Y; Martinez-Romero, D; Valero, D; Carbonell-Barrachina, AA;
Indirizzi:
Univ Miguel Hernandez, Div Tecnol Alimentos, Alicante 03312, Spain Univ Miguel Hernandez Alicante Spain 03312 mentos, Alicante 03312, Spain
Titolo Testata:
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
fascicolo: 6, volume: 36, anno: 2001,
pagine: 849 - 861
SICI:
0360-1234(2001)36:6<849:TAAIEP>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHEMICAL SPECIATION; PLANTS; GROWTH; EXPOSURE; TOXICITY; SEAFOOD; TOMATO; FORM;
Keywords:
dimethylarsinic acid; edible vegetables; food contaminants; french beans; methylarsonic acid;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Carbonell-Barrachina, AA Univ Miguel Hernandez, Div Tecnol Alimentos, Carretera Beniel,Km 3-2, Alicante 03312, Spain Univ Miguel Hernandez Carretera Beniel,Km 3-2 Alicante Spain 03312
Citazione:
P. Aracil et al., "Total arsenic accumulation in edible pods and seeds of Phaseolus vulgaris", J ENVIR S B, 36(6), 2001, pp. 849-861

Abstract

The main objective of this study was to evaluate whether arsenic accumulated in the edible pods and seeds of Phaseolus vulgaris, cv. Helda, above theSpanish maximum recommended concentration for food crops, 1 mg kg(-1) on afresh weight basis. Only organic arsenicals were used because they are: a)the only arsenic species allowed for agricultural applications and b) moremobile than inorganic species. Selection of French beans, a sensitive plant to arsenic, was based on the fact that arsenic upward translocation is higher in sensitive than in tolerant plants. A 2 X 3 factorial experiment wasconducted with two organic arsenic species: methylarsonic acid (MAA) or dimethylarsinic acid (DMAA) and three arsenic concentrations: 0.2, 0.5, or 1.0 mg L-1. Arsenic phytotoxicity was primarily determined by soluble arsenicconcentration. Experimental results showed that the low bean plant tolerance to arsenic is possibly due to the high arsenic upward transport to shoots, which could result in profound negative metabolic consequences. Even under extremely adverse conditions, arsenic residues in edible beans were below the maximum statutory limit set by the Spanish legislation. It can be concluded that the major danger of organic arsenical herbicides is that of decreased productivity rather than high arsenic uptake by consumers.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/01/20 alle ore 05:33:58