Determination of the oenological maturity of dark-berry grape varieties based on sensory analysis and amino acid profileA.V. Prakh, V.M. Redka, O.N. Sheludko, N.M. Ageeva and A.A. PrakhBIO Web of Conferences, 78 (2023) 05001DOI: https://doi.org/10.1051/bioconf/20237805001