Back to Journals » International Journal of Wine Research » Volume 10

The colors of wine

Authors Fairchild MD

Received 8 January 2018

Accepted for publication 1 February 2018

Published 23 March 2018 Volume 2018:10 Pages 13—31


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Roger Pinder

Video abstract presented by Mark D Fairchild.

Views: 333

Mark D Fairchild

Program of Color Science/Munsell Color Science Laboratory, Rochester Institute of Technology, Rochester, NY, USA

Purpose: This work examined the color measurement and color appearance of wine under various illumination types in order to assess the importance of illumination in the sensory evaluation of wine.
Materials and methods: Six finished retail wines were measured in 8 different spectrophotometric and spectroradiometric geometries, both in analytical cuvettes and International Organization for Standardization tasting glasses. The resulting spectral transmittance data were analyzed colorimetrically using 2 color spaces (Commission Internationale de l’Eclairage L*a*b* and Commission Internationale de l’Eclairage Color Appearance Model 02) to examine the effects of both measurement geometry and viewing condition on the appearance of wines.
Results: The results clearly indicate that measurement geometry is critical in wine color assessment and that the lighting used to view wines, as well as the lighting levels, can have significant impact on the perceived colors of wines and ultimately the judgments made in sensory evaluation procedures.
Conclusion: Standardization of lighting type, level, spectral characteristics, and geometry are needed for careful and consistent sensory evaluation of wine color. Recommendations are made for a relatively simple way to achieve this.

Keywords: colorimetry, illumination, appearance, sensory evaluation

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