Original research articles

Determination of iron, copper, manganese and zinc in the soils, grapes and wines of the Azores

Abstract

This paper describes the determination of iron, copper, manganese and zinc in the soils, grapes and wines of the three viticultural regions of the Azores. Iron, copper and zinc were determined by flame atomic absorption spectrometry and manganese by graphite furnace atomic absorption. The concentrations of the four elements differed in soils of the three regions; there was no difference in the concentration in grapes, whereas significant differences were observed for the wines as regards the amounts of iron, manganese and zinc. The concentrations of these four elements in wine correspond with the mean values observed for other European regions.

Authors


María Teresa Ribeiro de Lima

Affiliation : Universidade dos Açores, Departamento de Ciências Agrárias, Terra Chã, 9700 Angra do Heroísmo, Portugal


Mary T. Kelly

Affiliation : Centre de formation et de Recherche en oenologie, Faculté des sciences pharmaceutiques, 15 avenue Charles Flahault, 34093 Montpellier cedex 5, France

mkelly@pharma.univ-montp1.fr

Marie-Thérèse Cabanis

Affiliation : Université de Montpellier I, Faculté de Pharmacie, Centre de formation et de Recherche en oenologie, 15, avenue Charles Flahault, B.P.14.491, 34093 Montpellier cedex 5, France


Geneviève Cassanas

Affiliation : Laboratoire de Physique Industrielle et traitement de l’Information, Faculté de Pharmacie, 15 Avenue Charles Flahault, BP 14,491, 34093 Montpellier Cedex 5, France


Lurdes Matos

Affiliation : Departmento de Ciencias Agraria, Universidade dos Açores, 9700 Angra do Heroismo, Tereira, Azores


Jorge Pinheiro

Affiliation : Departmento de Ciencias Agraria, Universidade dos Açores, 9700 Angra do Heroismo, Tereira, Azores


Alain Blaise

Affiliation : Centre de formation et de Recherche en oenologie, Faculté des sciences pharmaceutiques, 15 avenue Charles Flahault, 34093 Montpellier cedex 5, France

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