1. World Health Organization.
Health Topics. Traditional medicine [Internet]. [cited 2015 Dec 11]. Available from: http://www.who.int/topics/traditional_medicine/en/.
2. U.S. Food and Drug Administration.
Foods; labeling of spices, flavorings, colorings and chemical preservatives. Code of Federal Regulations. 21CFR101.22 [Internet]. [cited 2015 Dec 11]. Available from: http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=101.22.
3. U.S. Food and Drug Administration.
CPG Sec. 525.750 Spices - definitions [Internet]. [cited 2015 Dec 11]. Available from: http://www.fda.gov/ICECI/ComplianceManuals/CompliancePolicyGuidanceManual/ucm074468.htm.
4. U.S. Food and Drug Administration.
Substances generally recognized as safe. Spices and other natural seasonings and flavorings. 21CFR182.10 [Internet]. [cited 2015 Dec 11]. Available from: http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=182.10.
5. U.S. Food and Drug Administration.
General method for spices, herbs, and botanicals (V-32) [Internet]. [cited 2015 Dec 11]. Available from: http://www.fda.gov/food/foodscienceresearch/laboratorymethods/ucm084394.htm.