PhytoLab GmbH and Co.KG, D-91487 Vestenbergsgreuth, Dutendorfer Str.5-7, Germany
Bibliografia
1. Bilia, A R, Bergonzi, M C, Morgenii, F, Mazzi, G, Vincieri, F F, Evaluation of chemical stability of St.John's Wort commercial extract and some preparations, International Journal of Pharmaceutics 2001, 213,199-208)
2. Goppel, M, Franz, G, Stability control of valerian ground material and extracts: A new HPLC-method for the routine quantification ofvalerenic acids and lignans, Pharmazie 2004, 59, (6): 446452)
3. Hose, S, Poetsch, F, Steinhoff, В, Stabilitätsuntersuchungen von pflanzlichen Wirkstoffen und Fertigarzneimitteln bei erhöhter Temperatur, Pharm. Ind. 2004, 66 (5): 575-581
4. Hose, S, Poetsch, F, Steinhoff, B, Stability study of herbal agents and finished drugs at elevated temperature - Current state Part 2, Pharm. Ind. 2004,66 (6): 786-793
5. Schmidt, P C, Formulierung von Johanniskrautextrakten - Galenisches Hindernisrennen, Pharmazie 2003,32 (3): 203-11,10 Refs.