I have found some links; quite a few are from ResearchGate:
Ma, X. Y., Zhang, L. H., Shao, H. B., Xu, G., Zhang, F., Ni, F. T., & Brestic, M. (2011). Jerusalem artichoke (Helianthus tuberosus), a medicinal salt-resistant plant has high adaptability and multiple-use values.
This is available to download from Feng Zhang's publication page on ResearchGate
Lattanzio, V., Kroon, P. A., Linsalata, V., & Cardinali, A. (2009). Globe artichoke: A functional food and source of nutraceutical ingredients. Journal of Functional Foods.
Sanchez-Rabaneda, F., Jauregui, O., Lamuela-Raventos, R. M., Bastida, J., Viladomat, F., & Codina, C. (2003). Identification of phenolic compounds in artichoke waste by high-performance liquid chromatography–tandem mass spectrometry. Journal of Chromatography A, 1008(1), 57-72.
Ceccarelli, N., Curadi, M., Picciarelli, P., Martelloni, L., Sbrana, C., & Giovannetti, M. (2010). Globe artichoke as a functional food. Mediterranean Journal of Nutrition and Metabolism, 3(3), 197-201.
Rondanelli, M., Monteferrario, F., Perna, S., Faliva, M. A., & Opizzi, A. (2013). Health-promoting properties of artichoke in preventing cardiovascular disease by its lipidic and glycemic-reducing action. Monaldi archives for chest disease= Archivio Monaldi per le malattie del torace/Fondazione clinica del lavoro, IRCCS [and] Istituto di clinica tisiologica e malattie apparato respiratorio, Università di Napoli, Secondo ateneo, 80(1), 17-26.
http://www.ncbi.nlm.nih.gov/pubmed/23923586
Kołodziej, B., & Winiarska, S. (2012). The effect of selected cultivation methods on yield and quality of artichoke (Cynara scolymus L.) raw material. Acta Scientiarum Polonorum-Hortorum Cultus, 11(1), 171-182.
Ali, S., & Honermeier, B. (2007). Herbicide Application in Relation to Chlorophyll Fluorescence, Leaf Yield and Polyphenol Contents in Artichoke (Cynara cardunculus L.).
Fritsche, J., Beindorff, C. M., Dachtler, M., Zhang, H., & Lammers, J. G. (2002). Isolation, characterization and determination of minor artichoke (Cynara scolymus L.) leaf extract compounds. European Food Research and Technology, 215(2), 149-157.