Table 3 Chemical composition of N. sativa essential oil after gas chromatography (GC) and gas chromatography–mass spectroscopic (GC–MS) analysis

Trans-α-thujene^a

12.8 ± 0.8

α-pinene^b

2.6 ± 0.1

Sabinene^b

1.0 ± 0.05

β-pinene^b

2.6 ± 0.1

p-cymene^b

40.0 ± 1.0

Cis-4-methoxythujan^a

0.5 ± 0.005

Trans-4-methoxythujan^a

3.2 ± 0.05

Thymoquinone^b

31.2 ± 2.4

Carvacrol^b

0.9 ± 0.07

Longifolene^a

0.9 ± 0.09

Total identified

95.7