Investigation of probiotic properties of Lactobacillus helveticus 2/20 isolated from rose blossom of Rosa damascena Mill.Rositsa Denkova-Kostova, Bogdan Goranov, Teodora Tomova, Velichka Yanakieva, Denica Blazheva, Zapryana Denkova and Georgi KostovBIO Web Conf., 58 (2023) 02002DOI: https://doi.org/10.1051/bioconf/20235802002