Changes in the phenolic complex of red aboriginal grape varieties in the system “grapes – base wine sparkling wine”Natalia Shmigelskaya, Alexander Makarov, Igor Lutkov, Victoria Maksimovskaya and Galina SivochoubBIO Web of Conferences, 78 (2023) 06004DOI: https://doi.org/10.1051/bioconf/20237806004