Publications for 5-O-Caffeoylquinic acid being present in Cider

1. Poquet L, Clifford MN, Williamson G: Investigation of the metabolic fate of dihydrocaffeic acid. Biochem Pharmacol. 2008 Mar 1;75(5):1218-29. Epub 2007 Nov 23. [PubMed:18154874 ]
2. Alan Crozier, Mike N. Clifford, Hiroshi Ashihara (2006). Plant Secondary Metabolites: Occurrence, Structure and Role in the Human Diet. Blackwell publiching. [ISBN:978-1-405-12509-3 ]