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IVES 9 IVES Conference Series 9 Macrowine 9 Macrowine 2010 9 Chemistry, functionality and analysis of grape and wine macromolecules and secondary metabolites 9 Preliminary studies on polyphenol assessment by Fourier transform-near infrared spectroscopy (FT-NIR) in grape berries

Preliminary studies on polyphenol assessment by Fourier transform-near infrared spectroscopy (FT-NIR) in grape berries

Abstract

NIR spectroscopy has widely been tested in viticulture as powerful alternative to traditional analytical methods in the field of quality evaluation. NIR instruments have been used for assessing must and wine quality features in several works, but little information regarding their application on whole berries for polyphenol determination is available. In this study, we applied NIR technique to assess anthocyanin content in Vitis vinifera L. cv ‘Barbera’ intact berries, by collecting samples from different vineyards of Southern Piedmont (Italy). NIR analyses were performed using a FT-NIR spectrometer, whereas anthocyanins were detected according to a previously published method. Calibrations, elaborated to test NIR predictive capacity against HPLC measurements, showed a good correlation for the parameter total anthocyanins mg kg-1 (R2 = 0.93; SEP = ± 94 mg kg-1).

Publication date: July 3, 2024

Issue: Macrowine 2010

Type: Article

Authors

Chiara PAGLIARANI, Alessandra FERRANDINO, Nicola CENTONZE, Andrea SCHUBERT

University of Torino, Dipartimento di Colture Arboree, via Leonardo da Vinci 44, 10095, Grugliasco, TO, I.

Contact the author*

Keywords

Vitis vinifera cv ‘Barbera’, berries, anthocyanins

Tags

IVES Conference Series | Macrowine | Macrowine 2010

Citation

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