Marinov, M G; Dimitrova, E D; Puech, J L (1997). "Kinetics of ellagitannin extraction from oak wood using white wine". Journal of Wine Research. 8: 29–40. doi:10.1080/09571269708718095.
"Chlorophyll and Chlorophyllin". Micronutrient Information Center, Linus Pauling Institute, Oregon State University. 1 June 2009. Retrieved 26 November 2019.