1. Harborne, J.B.; Baxter, H.; Moss, G.P.: Phytochemical Dictionary: A Handbook of Bioactive Compounds from Plants Taylor & Francis Ed.. 1999;0:0.
  2. Belitz, H.-D., Grosch, W., Schieberle, P. (2009). Food Chemistry. Springer. [ISBN:3540408185 ]