Jan Koek

The Family Approach to the Resolution of Racemates

Ton R. Vries, Hans Wynberg, Erik van Echten et al. · Angewandte Chemie International Edition · 1998 · 203 citations · Full text

Pharmacy, Chemistry, Combinatorial Chemistry +7

Investigation of Processes in Black Tea Manufacture through Model Fermentation (Oxidation) Experiments

Ulf W. Stodt, Nadine Blauth, Steffi Niemann et al. · Journal of Agricultural and Food Chemistry · 2014 · 123 citations

Life Sciences, Biochemistry, Plant Biology +16

Model system-based mechanistic studies of black tea thearubigin formation

Ghada H. Yassin, Jan Koek, Nikolai Kuhnert · Food Chemistry · 2015 · 42 citations

Agriculture, Botany, Food Science +2

Identification of Novel Homologous Series of Polyhydroxylated Theasinensins and Theanaphthoquinones in the SII Fraction of Black Tea Thearubigins Using ESI/HPLC Tandem Mass Spectrometry

Ghada H. Yassin, Jan Koek, Sujatha Jayaraman et al. · Journal of Agricultural and Food Chemistry · 2014 · 39 citations

Life Sciences, Biochemistry, Enology +15

Identification of trimeric and tetrameric flavan-3-ol derivatives in the SII black tea thearubigin fraction of black tea using ESI-tandem and MALDI-TOF mass spectrometry

Ghada H. Yassin, Jan Koek, Nikolai Kuhnert · Food Research International · 2014 · 23 citations

Agriculture, Food Science, Pharmaceutical Analysis +17