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Research Article

Elemental Profiling of Malbec Wines Made under Controlled Conditions by Microwave Plasma Atomic Emission Spectroscopy

Jenny Nelson, Helene Hopfer, Greg Gilleland, Daniel Cuthbertson, Roger Boulton, Susan E. Ebeler
Am J Enol Vitic. April 2015 : ajev.2015.14120; published ahead of print April 23, 2015 ; DOI: 10.5344/ajev.2015.14120
Jenny Nelson
1Department of Viticulture and Enology, University of California-Davis, One Shields Avenue, Davis, CA 95616
3Agilent Technologies, Inc., 5301 Stevens Creek Blvd, Santa Clara, CA 95051
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  • For correspondence: jenny_nelson@agilent.com
Helene Hopfer
1Department of Viticulture and Enology, University of California-Davis, One Shields Avenue, Davis, CA 95616
2Food Safety and Measurement Facility, University of California-Davis, One Shields Avenue, Davis, CA 95616
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Greg Gilleland
3Agilent Technologies, Inc., 5301 Stevens Creek Blvd, Santa Clara, CA 95051
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Daniel Cuthbertson
3Agilent Technologies, Inc., 5301 Stevens Creek Blvd, Santa Clara, CA 95051
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Roger Boulton
1Department of Viticulture and Enology, University of California-Davis, One Shields Avenue, Davis, CA 95616
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Susan E. Ebeler
1Department of Viticulture and Enology, University of California-Davis, One Shields Avenue, Davis, CA 95616
2Food Safety and Measurement Facility, University of California-Davis, One Shields Avenue, Davis, CA 95616
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Abstract

Microwave Plasma-Atomic Emission Spectrometry (MP-AES) was used for elemental analysis of Malbec wines from Argentina and the USA. Using just 6 elements (Sr, Rb, Ca, K, Na and Mg), Malbec wine from Mendoza, Argentina and California, USA were compared. The Malbec wines from these two countries were clearly separated based on their elemental profile in a Partial Least Squares-Discriminant Analysis (PLS-DA). To our knowledge, this is the first time that MP-AES was used for the discrimination of geographical origin of Malbec wines using 6 different elements.

  • MP-AES
  • Malbec wine
  • geographical origin
  • principal component analysis
  • partial least squares – discriminate analysis
  • ©2015 by the American Society for Enology and Viticulture

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Elemental Profiling of Malbec Wines Made under Controlled Conditions by Microwave Plasma Atomic Emission Spectroscopy
Jenny Nelson, Helene Hopfer, Greg Gilleland, Daniel Cuthbertson, Roger Boulton, Susan E. Ebeler
Am J Enol Vitic.  April 2015  ajev.2015.14120;  published ahead of print April 23, 2015 ; DOI: 10.5344/ajev.2015.14120

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Elemental Profiling of Malbec Wines Made under Controlled Conditions by Microwave Plasma Atomic Emission Spectroscopy
Jenny Nelson, Helene Hopfer, Greg Gilleland, Daniel Cuthbertson, Roger Boulton, Susan E. Ebeler
Am J Enol Vitic.  April 2015  ajev.2015.14120;  published ahead of print April 23, 2015 ; DOI: 10.5344/ajev.2015.14120
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