R.  Amarowicz, egarska, Z. ?., Rafa?owski, R., Pegg, B. R., Karama?, M., and Kosi?ska, A., ?Antioxidant activity and free radical-scavenging capacity of ethanolic extracts of thyme, oregano, and marjoram?, European Journal of Lipid Science and Technology, vol. 111, pp. 1117 - 1117, 2009.