1. European Parliament and Council Directive N_ 95/2/EC of 20 February 1995 on food additives other than colours and sweeteners. Official Journal of the European Communities, Brussels, 18 March 1995. 15.08.2006.
2. Regulation (EC), No. 1333/2008 of the European parliament and the Council of 16 December 2008 on food additives. Official Journal of the European Union, 31 December 2008, 31.12.2008.
3. FDA, Code of Federal Regulations (CFR), CFR (Code of Federal Regulations), Title 21: Food and Drugs. Chapter I e Food and Drug Administration, Department of Health and Human Services, Part 170 e Food Additives, Office of the Federal Register, Washington, DC, 2001a (Revised April, 2008).
4. FDA, Code of Federal Regulations (CFR), CFR (Code of Federal Regulations), Title 21: Food and Drugs. Chapter I e Food and Drug Administration, Department of Health and Human Services, Part 184 e Direct Food Substances affirmed as generally recognized as safe (GRAS), Office of the Federal Register, Washington, DC, 2001b (Revised April, 2008).
5. Joint FAO/WHO Expert Committee on Food Additives (JEFCA), and World Health Organization (WHO), Summary of evaluations performed by the Joint FAO/WHO Expert Committee on Food Additives, 2003 (JECFA 1956-2007). http://jecfa.ilsi.org/index.htm.