Qualitative Metabolite Profiling of Orchis purpurea Huds. by GC and UHPLC/MS Approaches

Qualitative Metabolite Profiling of Orchis purpurea Huds. by GC and UHPLC/MS Approaches

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Orchids are experiencing wide success in ornamental, medicinal, and food fields.The reason for their success is correlated with both their morphology and metabolomics, the latter linked to their taste and biological effects.Despite many orchids having already been the subject of chemotaxonomic works, some of them are still untapped, like the case of Orchis purpurea.O.purpurea is one of the most common species of the genus Orchis, present in hedgerows, verges, and light woodland, where Skorts it is one of the few herbaceous plants able to be unpleasant to herbivorous animals.

Essential oil from roots, stems, leaves, and flowers were analyzed via GC/MS analyses, revealing the presence of 70 compounds, with a clear prevalence of coumarin.The high concentration of this metabolite may explain the resistance of O.purpurea to herbivores, being associated with appetite-suppressing properties and a bitter taste.Non-volatile fractions were analyzed via UHPLC-MS analysis revealing the presence of hydroxycinnamic PH Test Strips acid derivatives, polyphenols, and glycosidic compounds, probably responsible for their color and fragrance.Taken together, the herein presented results shed light on both the defensive strategy and the chemotaxonomy of O.

purpurea.