Efficacy and Safety of <i>P. hybridus</i> Leaf Extract Ze 339 for the Treatment of Allergic Rhinitis by Verena M. Merk, Georg Boonen, Veronika Butterweck, Andreas Schapowal

Get full text

Wild Harvesting vs. Cultivation: Total Petasin Content in <i>Petasites hybridus</i> Rhizome Extracts Determines Spasmolytic Effects by Christiane Halbsguth, Verena M. Merk, Jürgen Drewe, Georg Boonen, Veronika Butterweck

Get full text

Valerenic Acid and Pinoresinol as Positive Allosteric Modulators: Unlocking the Sleep-Promoting Potential of Valerian Extract Ze 911 by Roman Senn, Lukas Schertler, Hendrik Bussmann, Juergen Drewe, Georg Boonen, Veronika Butterweck

Get full text

Profiling Hydrophilic <i>Cucurbita pepo</i> Seed Extracts: A Study of European Cultivar Variability by Adina-Elena Grasu, Roman Senn, Christiane Halbsguth, Alexander Schenk, Veronika Butterweck, Anca Miron

Get full text

Effects of a Valerian‐Hops Extract Combination (Ze 91019) on Sleep Duration and Daytime Cognitive and Psychological Parameters in Occasional Insomnia: A Randomized Controlled Feasi... by Nathalie Schicktanz, Christiane Gerhards, Thomas Schlitt, Amanda Aerni, Elia Müggler, Dominique deQuervain, Andreas Papassotiropoulos, Georg Boonen, Juergen Drewe, Veronika Butterweck

Get full text