Umeda, W. M., e N. Jorge. “Antioxidant Effect of Onion Peel Extracts (Allium Cepa L.) on the Stability of Soybean Oil under Thermo-Oxidative Degradation”. Revista Principia, vol. 60, nº 2, junho de 2023, p. 521-4, doi:10.18265/1517-0306a2021id6224.