Vieito, C., Fernandes, E., Vaz Velho, M., & Pires, P. (2018). The Effect of Different Solvents on Extraction Yield, Total Phenolic Content and Antioxidant Activity of Extracts from Pine Bark (Pinus pinaster subsp. atlantica). Chemical Engineering Transactions, 64, 127-132. https://doi.org/10.3303/CET1864022