- Anais da Academia Brasileira de Ciências
- http://www.abc.org.br/rubrique.php3?id_rubrique=52
- http://www.scielo.br/scielo.php?script=sci_serial&pid=0001-3765&lng=en&nrm=iso
- Academia Brasileira de Ciências
- Journal of Agricultural and Food Chemistry
- 21 nov 2014
- http://pubs.acs.org/journal/jafcau
- ACS Publications
- FAOSTAT
- Food and Agriculture Organization of the United Nations
- 02 oct 2014
- http://faostat3.fao.org/faostat-gateway/go/to/home/E