M. Inylieieva and U. Karpiuk, “Investigation of water-soluble polysaccharides and pectin substances of fruits and meal of red currant (Ribes rubrum), sea buckthorn (Hippophae rhamnoides), and feijoa (Acca sellowiana)”, USMYJ, vol. 139, no. 2, pp. 113-120, Jun. 2023.