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IVES 9 IVES Conference Series 9 GiESCO 9 GiESCO 2013 9 GiESCO 2013 – Session 8: General viticulture 9 Relationship between polyphenolic meter index and polyphenol content in red wine produced from ninety genotypes of Vitis vinifera

Relationship between polyphenolic meter index and polyphenol content in red wine produced from ninety genotypes of Vitis vinifera

Abstract

Previous works demonstrated that polyphenolic meter index (PMI) showed a high correlation with the accumulation of phenolic components during grape maturation. However, it is important to establish a relationship between grape PMI and wine polyphenolic content. For this purpose, experimental wines were produced (Casa 40, VCR Company) from ninety genotypes. The PM index was measured at harvest, and varied from 149 for Nebbiolo clone VCR 270 to 296 for cultivar Ancellotta. A high correlation was observed when comparing the PM index obtained from grapes with the total anthocyanin, polyphenol and flavonoid content in wine (r2=0.84).  For few varieties (Montepulciano, for example), a high correlation between PMI and anthocyanin content, PMI and total polyphenols, and PMI and flavonoids was observed. From these results, the PM index was shown to be a reliable method to predict anthocyanin content in wine for 90% of the genotypes studies, but insufficient in assessing polyphenol and flavonoid content for most (87%) studied cultivars..

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Publication date: 07/09/2026

Issue: GiESCO 2013

Type: Poster

Authors

Marcos Gabbardo1,*, Emilio Celotti2, César V. Rombaldi3 , Fábio C. Chaves3, Elisa De Luca4, Francesco Anaclerio4

1 Universidade Federal do Pampa (UNIPAMPA), Campus Dom Pedrito, Rua 21 de abril n80, CEP 96450-000, Dom Pedrito-RS, Brasil

2 Dipartimento di Scienza degli Alimenti, Università degli Studi di Udine, Via Sondrio 2A, 33100, Udine, Itália

3 Universidade Federal de Pelotas (UFPel), Departamento de Ciência e Tecnologia Agroindustrial (DCTA), Caixa Postal 354, CEP 96010-900, Pelotas-RS, Brasil

4 Centro Sperimentale Casa 40, Vivai Cooperativi Rauscedo, Rauscedo (PN), Itália

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Keywords

phenolic maturation, grape and wine

Tags

GiESCO | GiESCO 2013 | IVES Conference Series

Citation

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