“…For instance, in bean markets, different species, especially those with high value due to their origin, are sold under the same name and therefore, there is a great need for developing accurate methods of proving the authenticity of raw material. In order to identify plant species different methods have been used like the high-performance liquid chromatography (HPLC), mass spectrometry (MS), thin-layer chromatography (TLC), NMR spectroscopy and Fourier transform infrared (FT-NIR) spectroscopy (Fügel et al, 2005;Kurz, Leitenberger, Carle, & Schieber, 2010). Yet, there are cases where a plant metabolite profile can change due to external factors such as light, temperature, microbial infections and storage conditions.…”