Authors: Denke, A Schempp, H Weiser, D Elstner, EF

Citation: A. Denke et al., Biochemical activities of extracts from Hypericum perforatum L. 5th Communication: Dopamine-beta-hydroxylase-product quantification by HPLC and inhibition by hypericins and flavonoids, ARZNEI-FOR, 50(5), 2000, pp. 415-419

Authors: Elstner, M Denke, A Gsell, W Elstner, EF Riederer, P Gerlach, M

Citation: M. Elstner et al., Pro- and antioxidative properties of cortical tissue preparations from human brain exhibiting MMDA-receptor characteristics, Z NATURFO C, 54(5-6), 1999, pp. 438-445

Authors: Denke, A Schneider, W Elstner, EF

Citation: A. Denke et al., Biochemical activities of extracts from Hypericum perforatum L. - 2nd Communication: Inhibition of metenkephaline- and tyrosine-dimerization, ARZNEI-FOR, 49(2), 1999, pp. 109-114

Authors: Schempp, H Denke, A Mann, E Schneider, W Elstner, EF

Citation: H. Schempp et al., Biochemical Activities of Extracts from Hypericum perforatum L. - 3rd Communication: Modulation of peroxidase activity as a simple method for standardization, ARZNEI-FOR, 49(2), 1999, pp. 115-119

Authors: Denke, A Schempp, H Mann, E Schneider, W Elstner, EF

Citation: A. Denke et al., Biochemical activities of extracts from Hypericum perforatum L. - 4th Communication: Influence of different cultivation methods, ARZNEI-FOR, 49(2), 1999, pp. 120-125