SIREGAR, T. M.; KUSNO, F. Physicochemical Characteristics and Stability of Antioxidant Extracts from Different Varieties of Purple Sweet Potato (Ipomoea batatas L.). Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), [S. l.], v. 15, n. 1, p. 290–300, 2026. DOI: 10.23960/jtepl.v15i1.290-300. Disponível em: https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/11502. Acesso em: 20 feb. 2026.