R. Lacerda, G. Makishi, H. Chambi, A. Bittante, C. Gomide, P. Costa, P. Sobral, Castor Bean (Ricinus communis) Cake Protein Extraction by Alkaline Solubilization: Definition of Process Parameters, Chemical Engineering Transactions. 37 (2014) 775-780. doi:10.3303/CET1437130.