Table 2.
Major natural compounds, methodologies applied to determine the antioxidant activity, and the investigated applications of Mentha piperita (Lamiaceae) EOs.
| Plant Part | Major Compounds (%) | Antioxidant Activity Assay | Investigated Properties | References |
|---|---|---|---|---|
| leaves | menthol (38.45%), menthone (21.8%), eucalyptol (5.62%), and neo-menthol (4.19%). |
DPPH TBARS CAA Reducing power cellular-based antioxidant activity |
Evaluated the chemical composition and antioxidant properties using different methods. | [37] |
| leaves | menthol (30.69%), menthone (14.51%), menthyl acetate (12.86%), and neo-menthol (9.26%) |
DPPH Hydroxyl radical scavenging activity |
Investigated the chemical composition, anti-inflammatory, and cytotoxic (against different human cancer cell lines) activities of EO from leaves of M. piperita collected in China | [57] |
| leaves | linalool (51.8%), epoxyocimene (19.3%), and sesquiphellandrene (9.4%). |
DPPH | Evaluated the antioxidant, cytotoxic (Artemia salina), antibacterial (Staphylococcus aureus and Escherichia coli), and larvicidal (Aedes aegypti) activities. | [109] |
| leaves | menthol (32.93%), menthone (24.41%), cis-caran (8.08%), and eucalyptol (1,8-cineole, 7.89%) |
DPPH | Investigated the chemical composition, the antioxidant and antimicrobial activity of M. piperita EO against bacterial strains and Candida albicans | [53] |