1. ACNFP, 1990. Advisory Committee on Novel Foods and Processes, Annual Report 1990, Department of Health and Ministry of Agriculture, Fisheries and Food, London, 1991.
2. ACNFP, 1993. Advisory Committee on Novel Foods and Processes, Annual Report 1993, Ministry of Agriculture, Fisheries and Food, London, 1994.
3. ACNFP, 2004. Advisory Committee on Novel Foods and Processes, Annual Report 2004, Food Standards Agency, London, 2005.
4. Safety of probiotics that contain lactobacilli or bifidobacteria;Borriello;Clinical Infectious Diseases,2003
5. Brack Egg, A., 1999. Diccinario enciclopédico de plantas útiles del Perú, PNUD/CBC, Lima, Peru.