- Sawicki T, Topolska J, Romaszko E, Wiczkowski W: Profile and Content of Betalains in Plasma and Urine of Volunteers after Long-Term Exposure to Fermented Red Beet Juice. J Agric Food Chem. 2018 Apr 25;66(16):4155-4163. doi: 10.1021/acs.jafc.8b00925. Epub 2018 Apr 11. [PubMed:29638119 ]