Gonçalves, N.B., Carvalho, V.D. de and Gonçalves, J.R. de A. (2000) “Effect of calcium chloride and hydrothermical treatment on enzymatic activity and phenol content of pineapple”, Pesquisa Agropecuaria Brasileira, 35(10), pp. 2075–2081. doi:10.1590/S1678-3921.pab2000.v35.5992.