Diversity of Italian red wines: A study by enological parameters, color, and phenolic indices

Journal article published in Food Research International, 2021, volume 143:110277, pp. 1–13 by Simone Giacosa, Giuseppina Paola Parpinello, Susana Río Segade, Arianna Ricci, Maria Alessandra Paissoni, Andrea Curioni, Matteo Marangon, Fulvio Mattivi, Panagiotis Arapitsas, Luigi Moio, Paola Piombino, Maurizio Ugliano, Davide Slaghenaufi, Vincenzo Gerbi, Luca Rolle and Andrea Versari.

Journal article published in Food Research International, volume 143:110277, pp. 1–13.

Authors: , , , , , , , , , , , , , , and .

Abstract

An extensive survey was conducted on 110 Italian monovarietal red wines from a single vintage to determine their standard compositional, color, and phenolic characteristics, analysing more than 35 parameters evaluated through methods commonly used in the wine industry. ‘Primitivo’ achieved the highest average alcohol strength (15.4% v/v) and dry extract values, while ‘Cannonau’ showed the lowest total acidity. ‘Corvina’ had the lowest phenolic content (1065 mg/L by Folin-Ciocalteu assay), remarkably different from the highest found in ‘Sagrantino’ (3578 mg/L), the latter being also the richest variety in both proanthocyanidins and vanillin-reactive flavanols. ‘Teroldego’ wines were the richest in both total and monomeric anthocyanins (702 and 315 mg/L, respectively), followed by ‘Aglianico’ and ‘Raboso Piave’, while ‘Corvina’, ‘Nebbiolo’, and ‘Nerello Mascalese’ were the poorest. ‘Montepulciano’ and ‘Sangiovese’ showed intermediate values for the majority of the parameters analyzed. A multivariate PCA-DA approach allowed achieving both a classification of the different wines as well as the discrimination of ‘Sangiovese’ wines produced in two regions (Emilia Romagna and Toscana) that returned a 42–66% success rate depending on the zone considered. Taking into account the number and diversity of the wines analyzed, a correlation study helped in better understanding the underlying relations between the most common and widespread analytical techniques for phenolic and color determinations.

Key words autochthonous grape varieties; phenolic compounds; tannins; antioxidant capacity; red wine; UV–Visible spectrophotometry; multivariate analysis; D-Wines collaboration

BibTeX entry: click to show

@article{
	2318_1782493,
	url = {https://hdl.handle.net/2318/1782493},
	author = {Giacosa, Simone and Parpinello, Giuseppina Paola and Río Segade, Susana and Ricci, Arianna and Paissoni, Maria Alessandra and Curioni, Andrea and Marangon, Matteo and Mattivi, Fulvio and Arapitsas, Panagiotis and Moio, Luigi and Piombino, Paola and Ugliano, Maurizio and Slaghenaufi, Davide and Gerbi, Vincenzo and Rolle, Luca and Versari, Andrea},
	title = {Diversity of Italian red wines: A study by enological parameters, color, and phenolic indices},
	year = {2021},
	journal = {Food Research International},
	volume = {143:110277},
	abstract = {An extensive survey was conducted on 110 Italian monovarietal red wines from a single vintage to determine their standard compositional, color, and phenolic characteristics, analysing more than 35 parameters evaluated through methods commonly used in the wine industry. ‘Primitivo’ achieved the highest average alcohol strength (15.4% v/v) and dry extract values, while ‘Cannonau’ showed the lowest total acidity. ‘Corvina’ had the lowest phenolic content (1065 mg/L by Folin-Ciocalteu assay), remarkably different from the highest found in ‘Sagrantino’ (3578 mg/L), the latter being also the richest variety in both proanthocyanidins and vanillin-reactive flavanols. ‘Teroldego’ wines were the richest in both total and monomeric anthocyanins (702 and 315 mg/L, respectively), followed by ‘Aglianico’ and ‘Raboso Piave’, while ‘Corvina’, ‘Nebbiolo’, and ‘Nerello Mascalese’ were the poorest. ‘Montepulciano’ and ‘Sangiovese’ showed intermediate values for the majority of the parameters analyzed. A multivariate PCA-DA approach allowed achieving both a classification of the different wines as well as the discrimination of ‘Sangiovese’ wines produced in two regions (Emilia Romagna and Toscana) that returned a 42–66% success rate depending on the zone considered. Taking into account the number and diversity of the wines analyzed, a correlation study helped in better understanding the underlying relations between the most common and widespread analytical techniques for phenolic and color determinations.},
	keywords = {autochthonous grape varieties; phenolic compounds; tannins; antioxidant capacity; red wine; UV–Visible spectrophotometry; multivariate analysis; D-Wines collaboration},
	doi = {10.1016/j.foodres.2021.110277},
	pages = {1--13}
}

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doi:10.1016/j.foodres.2021.110277

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