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Chemical Composition, Nutritional Profile, and Bioactive Properties of Diplotaxis tenuifolia, a Health-Promoting Food
Sandrine Ressurreição1,2,3, Lígia Salgueiro1,3, Artur Figueirinha1,4
1University of Coimbra, Faculty of Pharmacy, 3000-548 Coimbra, Portugal.
Molecules (Basel, Switzerland)
|February 13, 2026
Summary
Diplotaxis tenuifolia, a nutrient-rich plant, offers significant levels of minerals, fiber, and unique phytochemicals. Its extracts show promising antioxidant activity, making it valuable for nutraceutical and pharmaceutical applications.
Area of Science:
- * Agricultural Science
- * Food Science
- * Phytochemistry
Background:
- * Diplotaxis tenuifolia (Brassicaceae) is recognized for culinary uses and potential bioactivity.
- * Comprehensive characterization of its nutritional and phytochemical profile is lacking.
- * This study addresses the knowledge gap for D. tenuifolia cultivated in Portugal.
Purpose of the Study:
- * To investigate the nutritional composition of D. tenuifolia leaves.
- * To determine the phytochemical profile and antioxidant capacity of D. tenuifolia extracts.
- * To identify novel compounds and assess the plant's potential for nutraceutical applications.
Main Methods:
- * Nutritional analysis including mineral content, protein, fiber, and fatty acids.
- * Phytochemical extraction using 80% methanol and quantification of phenolics and flavonoids.
- * High-performance liquid chromatography with diode-array detection and electrospray ionization mass spectrometry (HPLC-PDA-ESI-MSn) for compound identification.
- * Antioxidant activity assays: ABTS, DPPH, and FRAP.
Main Results:
- * Leaves are rich in essential minerals (Ca, K, Mg, Fe, Mn, Cr) and dietary fiber.
- * High levels of glutamic and aspartic acids, and alpha-linolenic acid were found.
- * Methanolic extract yielded high total phenolics (125.41 mg GAE g-1) and flavonoids (3.72 mg QE g-1).
- * Several compounds, including sulfoglucobrassicin and various acids, were reported for the first time in D. tenuifolia.
- * Significant antioxidant activity was demonstrated by ABTS, DPPH, and FRAP assays.
Conclusions:
- * Diplotaxis tenuifolia is a valuable source of essential nutrients and bioactive compounds.
- * The study identifies novel phytochemicals and confirms the plant's antioxidant potential.
- * D. tenuifolia shows promise for development in the nutraceutical and pharmaceutical industries.
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