@article {16536, title = {Green impregnation of biopolymers for application in food packaging}, booktitle = {10th Meeting on supercritical fluids - Reactions, Materials and Natural Products Processing}, year = {2005}, month = {2007-09-14}, author = {Duarte, C. M. and Duarte, A. R. C. and Cravo, C. and Nunes, A.} }