Heavy Metals in Soil, Grape, and Wine

V. Oreščanin, Anton Katunar, A. Kutle, V. Valković
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引用次数: 65

Abstract

Abstract The elemental concentrations of nine elements (V, Cr, Mn, Fe, Ni, Cu, Zn, As and Pb) were determined in soil, grape and wine samples taken from the wine producing area of Vrbnik on the island Krk in the northern Adriatic) using the tube excited energy dispersive X-ray fluorescence, EDXRF method. Extensive grape cultivation in Vrbnicko polje through the years approximately doubled the Cu content in the soil from this area compared to the background level determined on Krk. Most of this total Cu is exchangeable and thus available to plants. The concentrations of all other elements are similar to those found in the Krk soil. Canonical analysis showed that the main source of heavy metals in grape was absorption from the soil. Statistically significant differences in elemental composition between red and white wine were found. All elements showed greater concentrations in red grape. In spite of the elevated Cu level in the soil, the content of this metal in wine was much lower than the allowed value.
土壤、葡萄和葡萄酒中的重金属
摘要采用管激发能量色散x射线荧光(EDXRF)法测定了亚得里亚海北部Krk岛Vrbnik葡萄酒产区土壤、葡萄和葡萄酒样品中9种元素(V、Cr、Mn、Fe、Ni、Cu、Zn、As和Pb)的含量。与Krk测定的背景水平相比,多年来在Vrbnicko polje广泛种植的葡萄使该地区土壤中的铜含量大约增加了一倍。其中大部分铜是可交换的,因此可以被植物利用。所有其他元素的浓度与在克尔克土壤中发现的相似。典型分析表明,葡萄中重金属的主要来源是土壤的吸收。在统计上发现了红葡萄酒和白葡萄酒元素组成的显著差异。所有元素在红葡萄中的浓度均较高。尽管土壤中铜含量升高,但葡萄酒中铜的含量远低于允许值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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