Polyglycerol polyricinoleate (English Wikipedia)

Mortensen, Alicja; Aguilar, Fernando; Crebelli, Riccardo; et al. (March 2017). "Re-evaluation of polyglycerol polyricinoleate (E 476) as a food additive". EFSA Journal. 15 (3): e04743. doi:10.2903/J.EFSA.2017.4743. PMC 7010163. PMID 32625446.
Wilson, R.; van Schie, B.J.; Howes, D. (1998). "Overview of the Preparation, Use and Biological Studies on Polyglycerol Polyricinoleate (PGPR)". Food and Chemical Toxicology. 36 (9–10): 711–8. doi:10.1016/S0278-6915(98)00057-X. PMID 9737417.

fda.gov (Global: 447^th place; English: 338^th place)

"GRAS Notice 000466: polyricinoleic acid" (PDF). Food and Drug Administration. Archived from the original (PDF) on 2017-10-31. Retrieved 2016-07-09.
"GRAS Notification for Polyglycerol Polyricinoleate" (PDF). FDA, (Palsgaard). 23 October 2008. Archived from the original (PDF) on May 25, 2014.

Mortensen, Alicja; Aguilar, Fernando; Crebelli, Riccardo; et al. (March 2017). "Re-evaluation of polyglycerol polyricinoleate (E 476) as a food additive". EFSA Journal. 15 (3): e04743. doi:10.2903/J.EFSA.2017.4743. PMC 7010163. PMID 32625446.
Wilson, R.; van Schie, B.J.; Howes, D. (1998). "Overview of the Preparation, Use and Biological Studies on Polyglycerol Polyricinoleate (PGPR)". Food and Chemical Toxicology. 36 (9–10): 711–8. doi:10.1016/S0278-6915(98)00057-X. PMID 9737417.

"High grade PGPR in chocolate". Palsgaard. 2014. Archived from the original on 2007-08-03. Retrieved 2007-09-17.

"GRAS Notification for Polyglycerol Polyricinoleate" (PDF). FDA, (Palsgaard). 23 October 2008. Archived from the original (PDF) on May 25, 2014.
"High grade PGPR in chocolate". Palsgaard. 2014. Archived from the original on 2007-08-03. Retrieved 2007-09-17.