Trace metal studies of selected white wines: an alternative approach

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Sauvage, Laurant, Frank, Damian, Stearne, John and Millikan, Mary B (2002) Trace metal studies of selected white wines: an alternative approach. Analytica chimica acta, 458 (1). pp. 223-230. ISSN 0003-2670


A number of white wines from vineyards outside the metropolitan region of Melbourne were analyzed for the trace metals copper, iron, potassium, sodium, magnesium and calcium by atomic absorption spectrometry (AAS). The 24 wines analyzed included Chardonnay, Sauvignon Blanc, Riesling, Gewürztraminer and Pinot Gris. In addition, preliminary transmission near infrared (NIR) spectrometric analyses for these metals in the above wines indicated, using both multiple linear regression(MLR) and partial least squares (PLS), that promising results may be obtained for some metals. The squared correlation coefficients (R2) and the ratios of the standard error of cross validation (SECV) and the standard deviation (S.D.) for the calibration models for potassium, sodium, magnesium and calcium were acceptable, however those for iron and copper were not. Although, only a small number of wines were used in this study, the preliminary data indicated that NIR spectrometry may provide a suitable, rapid method for analysis for some metals in white wines, and warrants a further investigation using a larger number of white wines over a wider range of locations.

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Item type Article
DOI 10.1016/S0003-2670(01)01607-5
Official URL
Subjects Historical > RFCD Classification > 250000 Chemical Sciences
Historical > FOR Classification > 0908 Food Sciences
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords Australian white wine, trace metals, atomic absorption spectrometry, near infrared
Citations in Scopus 106 - View on Scopus
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