Biologically valuable components of grape stems Yuriy Grishin, Nikolay Oleinikov, Marina Ryndach, Anatoliy Kazak, Alexey Musakin, Irina Churilina, Mariya Chernenok and Anastasia Kryukova BIO Web Conf., 120 (2024) 01061 Published online: 15 July 2024 DOI: 10.1051/bioconf/202412001061