Table 4.

DPPH Free Radical-Scavenging Capacity of different essential oils from plants and fruits.

Essential Oils	IC50 DPPH (mg/mL)
Aromatic plants EOs
Cinnamomum cassia	0.05
Cinnamomum zeylanicum	0.01
Mentha piperita	22.98
Origanum vulgare	0.29
Rosmarinus officinalis	11.19
Salvia lavandulifolia	41.82
Thymus vulgaris	0.31
Fruit and vegetables EOs
Apium graveolens	25.89
Citrus limon	49.06
Citrus paradisi	87.67
Citrus reticulata	38.79
Citrus sinensis	47.30
Foeniculum vulgare	105.32
Ascorbic acid	0.003