Effect of Bentonite Characteristics on the Elemental Composition of Wine
- 12 December 2007
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Agricultural and Food Chemistry
- Vol. 56 (1), 158-165
- https://doi.org/10.1021/jf0720180
Abstract
Physical, chemical, and mineralogical characteristics of six bentonites were assessed and related to their elemental release to wine. Extraction essays of bentonites in wine at three pH levels were carried out. The multielemental analysis of bentonites and wines was performed by atomic absorption spectrometry (AAS) and inductively coupled plasma mass spectrometry (ICP-MS). Bentonite addition resulted in significantly higher concentrations of Li, Be, Na, Mg, Al, Ca, Sc, V, Mn, Fe, Co, Ni, Ga, Ge, As, Sr, Y, Zr, Nb, Mo, Cd, Sn, Sb, Ba, W, Tl, Bi, and W. In contrast, the concentrations of B, K, Cu, Zn, and Rb significantly decreased. A strong correlation between Na concentrations of treated wines and its content in bentonite exchange complex was observed. Al and Fe contents reflected bentonite extractable aluminous and ferruginous constituents, while Be, Mg, Ca, V, Mn, Ni, Ge, Zr, Nb, Mo, Sn, Sb, Tl, Pb, and U concentrations reflected the elemental composition of bentonites. Several nonconformances with OIV specifications demonstrated the need for an effective control.This publication has 10 references indexed in Scilit:
- Influence of different bentonites on the rare earth element concentrations of clarified Romanian winesTalanta, 2006
- Measurements of contaminant elements of wines by inductively coupled plasma-mass spectrometry: A comparison of two calibration approachesTalanta, 2006
- Dissolution of bentonite and release of rare earth elements at different solid/liquid ratios in a simulated wine purification processApplied Clay Science, 2006
- Changes of the Metal Composition in German White Wines through the Winemaking Process. A Study of 63 Elements by Inductively Coupled Plasma−Mass SpectrometryJournal of Agricultural and Food Chemistry, 2004
- Analysis of Two Bentonites of Enological Interest before and after Commercial Activation by Solid Na2CO3Journal of Agricultural and Food Chemistry, 2003
- Analysis of wines by ICP-MS: Is the pattern of the rare earth elements a reliable fingerprint for the provenance?Analytical and Bioanalytical Chemistry, 1999
- Changes in phenolic compounds and colour in pale Sherry wines subjected to fining treatmentsZeitschrift Für Lebensmitteluntersuchung Und -Forschung A, 1997
- Adsorption of Protein by Bentonite in a Model Wine SolutionAmerican Journal of Enology and Viticulture, 1988
- The Relationship Between Metals, Polyphenols, Nitogenous Substances and Treatment of Red and White WinesAmerican Journal of Enology and Viticulture, 1984
- Summary of Recommendations of AIPEA Nomenclature Committee1Clays and Clay Minerals, 1980