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3. United States Department of Agriculture National Nutrient Database for Standard Reference, Release 24. https://www.ars.usda.gov/SP2UserFiles/Place/12354500/Data/SR24/nutrlist/sr24a401.pdf
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5. United States Food and Drug Administration, Code of Federal Regulations Title 21: 21CFR101.54. http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=101.54&utm_campaign=Google2&utm_source=fdaSearch&utm_medium=website&utm_term=antioxidant%20label&utm_content=5