Application of imaging techniques for the evaluation of phenolic maturity of grape seeds
F. J. Rodríguez Pulido, M. L. González Miret. F. J. Heredia
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Base Information
Volume
V50 - N1 / 2017 Ordinario
Reference
01-nov
DOI
http://doi.org/10.7149/OPA.50.1.49503
Language
Spanish
Keywords
Colorimetry, Image Analysis, Grape seeds, Hyperspectral Imaging
Abstract
Quality of wine depends fundamentally on the condition of the components of grapes at the moment of harvest. In this respect, their seeds directly affect to structure, astringency, stability, and indirectly to colour of wine. In this work, the grape seeds have been evaluated by techniques of image analysis. In all cases, the methodology was developed trying to entail the minimum sample preparation and maximum quickness of the method, and as far as possible, substitute the chemical analysis that usually involves long and tedious processes that hamper monitoring of ripening in a rapid way. The proposed methodology for measuring and evaluating colour and near infrared spectrum has yielded satisfactory results for estimating the ripening of grape seeds, and it has been useful for establishing stages of ripeness from their optical features.
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