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Discriminación cualitativa entre vinos tintos de Sangiovese ecológicos y biodinámicos en cuanto a su autenticidad
Maria O Kokornaczyk1, Giuseppina P Parpinello2, Andrea Versari2
1Department of Agricultural Sciences, University of Bologna, Viale Fanin 42, 40127 Bologna, Italy.
Analytical methods : advancing methods and applications
|August 30, 2025
Resumen
El método de evaporación por gotas (DEM) permite distinguir entre vinos Sangiovese orgánicos y biodinámicos. La forma de la estructura cristalina se correlaciona con el color del vino y diferencia los tipos de vino.
Área de la Ciencia:
- Ciencias de la alimentación
- Química analítica
- Enología
Sus antecedentes:
- Las prácticas de viticultura orgánica y biodinámica están ganando terreno a nivel mundial.
- La distinción entre estos tipos de vino requiere métodos analíticos fiables.
- El método de evaporación por gotas (DEM) ofrece un nuevo enfoque para el análisis del vino.
Objetivo del estudio:
- Investigar la eficacia del método de evaporación por gotas (DEM) en la diferenciación de los vinos tintos Sangiovese orgánicos y biodinámicos.
- Explorar las correlaciones entre los parámetros de la estructura cristalina y las propiedades químicas de los vinos.
- Identificar las morfologías específicas de los cristales indicativas de los métodos de producción del vino.
Principales métodos:
- Se utilizó el método de evaporación por gotas (DEM) para analizar muestras de vino tinto Sangiovese.
- Parámetros de dimensionamiento evaluados y descriptores de forma de las estructuras cristalinas formadas durante la evaporación.
- Datos de morfología cristalina correlacionados con parámetros químicos, incluida la intensidad del color.
Principales resultados:
- Se observaron correlaciones significativas entre la intensidad del color del vino y la circularidad del cristal (r = 0,90) y la solidez (r = 0,94).
- DEM ha discriminado con éxito entre los vinos orgánicos y biodinámicos Sangiovese.
- Se identificaron y asociaron dos estructuras cristalinas distintas, parecidas a agujas y flores, con tipos específicos de vino.
Conclusiones:
- El método de evaporación por gotas (DEM) es una técnica prometedora para caracterizar y diferenciar los vinos orgánicos y biodinámicos.
- El análisis de la forma de los cristales proporciona información valiosa sobre la composición y los métodos de producción del vino.
- DEM ofrece una herramienta rápida y eficaz para el control de calidad y la autenticación en la industria vitivinícola.
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