Effect of watermelon seed flour quantity on the density and expansion ratio of extrudatesNesho Toshkov, Siyka Kodinova, Apostol Simitchiev, Milena Nikolova, Alexandar Slavov and Bojidar BozadjievBIO Web Conf., 170 (2025) 03003DOI: https://doi.org/10.1051/bioconf/202517003003