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December 4, 2025BeveragesOpen Access

Chitosan Hydrochloride Applied as a Grapevine Biostimulant Modulates Sauvignon Blanc Vines’ Growth, Grape, and Wine Composition

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Authors

MMMatteo MarangonFTFederica TinelloSVSimone Vincenzi

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Overview

Observational analysis revealed increased antioxidant activity and polysaccharides in grapes, indicating chitosan improves wine quality.

Key Points

  • Polyphenol oxidase activity decreased significantly, while antioxidant activity improved in treated grapeberries.
  • Treated grapes showed higher polysaccharides and protein content compared to the control group.
  • Analysis of grape composition was conducted on 74 Sauvignon Blanc vines grown in a controlled glasshouse.
  • Findings suggest that biostimulant applications like chitosan may enhance wine quality from grape metabolites.

Cite This Study

Marangon et al. (2025) studied this question.

synapsesocial.com/papers/6930dc9eea1aef094cca2bdfhttps://doi.org/10.3390/beverages11060168
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Preliminary results on the application of insect-based chitosan in a Mediterranean vineyard2026
  2. 2Chitosans and grapevine trunk diseases: surprising results from laboratory and vineyard studies2024
  3. 3Optimisation of rooting and growth of grapevine cuttings through chitosan application and substrate selection2025
  4. 4Lachancea thermotolerans fermentative metabolism is enhanced by chitosan under winemaking conditions2024 · 3 citations
  5. 5Combined Application of Chitosan-Induced Wickerhamomyces anomalus and Bacillus subtilis to Control Blue Mold Disease of Table Grapes2026