Use of vine-shoots stilbene extract to the reduction of SO₂ in red and rose Italian wine: Effect on phenolic, volatile, and sensory profiles.

ABSTRACT: Sulfur dioxide (SO₂) is one of the most used additives in wine industry for its antioxidant and antimicrobial activity. However, due to health concerns, consumers' demand of wines with either reduced or totally replaced SO₂ has increased. This study aimed to assess the effect of partial and total replacement of SO₂ with a vine-shoots extract rich in stilbenes in rosé (cv. Sangiovese) and red (cv. Negramaro) wines respectively. Color as well as phenolic, volatile, and sensory profiles of wines were evaluated at bottling and during storage. The results showed that the vine-shoots extract increased the levels of trans-resveratrol, catechin, and gallic acid in wines. Moreover, the positive correlation of procyanidin dimers in red wine suggested an increa

SUBMITTER: Noviello M 

PROVIDER: S-EPMC11304030 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature