Comparative metabolomic and bioactivity profiling of wild and greenhouse–Transplanted Plantago coronopus L

Trentin, Riccardo; Rodrigues, Maria João; Santos, Alexia dos; Fernandes, Eliana; Custódio, Luísa

http://hdl.handle.net/10400.1/27776

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Authors

Trentin, Riccardo

Rodrigues, Maria João

Santos, Alexia dos

Fernandes, Eliana

Custódio, Luísa

Abstract(s)

This study investigates the influence of growing conditions on the metabolomic composition and associated bioactivities of Plantago coronopus L. Methanol extracts were prepared from freeze-dried biomass of both wild and greenhouse-transplanted plants and evaluated for in vitro antioxidant capacity and inhibitory effects on enzymes relevant to Alzheimer's disease (acetylcholinesterase, butyrylcholinesterase), type 2 diabetes (alpha-glucosidase, alpha-amylase), and obesity-related disorders (lipase). An untargeted metabolomic analysis was performed using mass spectral library matching and in silico annotation tools to characterise the chemical composition of the extracts. Extracts from wild specimens exhibited stronger antioxidant activity and cholinesterase inhibition, coinciding with higher levels of total phenolics, flavonoids, and carbohydrates. These differences were associated with increased levels of bioactive metabolites, including caffeic acid derivatives, terpenoids, and lipid-like compounds, possibly linked to environmental stress responses. Despite lower bioactivity, greenhouse-grown plants still produced valuable compounds such as acteoside, echinacoside, and plantamajoside. These findings highlight the potential of P. coronopus as a source of bioactive metabolites and suggest that manipulating environmental conditions in controlled cultivation could enhance phytochemical yields.