A, G. - A., S. M, B. U, A. C, H.?hnle M, F. M, M. J, W. L, and W. G.,
"Flavonoid Production in Transgenic Hop (Humulus lupulus L",
Plant Cell Reports, 2011.
Hop is an important source of secondary metabolites, like flavonoids. Some of these are pharmacologically active. Often, their concentration in wild type plants is rather low.