"GRAS Notice GRN 224: Resveratrol". US Food and Drug Administration, Food Ingredient and Packaging Inventories. 1 August 2007. Archived from the original on April 24, 2016. Retrieved 7 February 2019.
"GRAS Notice GRN 224: Resveratrol". US Food and Drug Administration, Food Ingredient and Packaging Inventories. 1 August 2007. Archived from the original on April 24, 2016. Retrieved 7 February 2019.