[1] Univ Dusseldorf, Inst Pharmazeut Biol & Biotechnol, Univ Str 1,Geb 26-23, D-40225 Dusseldorf, Germany
[2] Assiut Univ, Fac Pharm, Dept Pharmacognosy, Assiut 71526, Egypt
[3] Univ Strathclyde, Strathclyde Inst Pharm & Biomed Sci, Glasgow G4 0NR, Lanark, Scotland
[4] Al Azhar Univ, Fac Pharm, Dept Pharmacognosy, Assiut Branch, Assiut 71524, Egypt
[5] Suez Canal Univ, Fac Pharm, Dept Pharmacognosy, Ismailia 41522, Egypt
[6] Helmholtz Ctr Infect Res, D-38124 Braunschweig, Germany