Research Article

Glechoma curviflora Volatile Oil from Palestine: Chemical Composition and Neuroprotective, Antimicrobial, and Cyclooxygenase Inhibitory Activities

Table 1

The chemical composition of N. curviflora essential oil.

No.CompoundsMW (g/mol)RIIdentification% area

1Trans-Carane138.25808MS, RI0.07

2p-Mentha-3,8-diene136.23772MS, RI1.58

31,3,4-Trimethyl-3-cyclohexenyl-1-carboxaldehyde152.23803MS, RI0.62

4Limona ketone138.21731MS, RI1.58

51,6-Dimethylspiro[4.5]decane166.3922MS, RI27.51

6Decahydro-3a-methyl-6-methylene-1-(1-methylethyl)cyclobuta[1,2:3,4]dicyclopentadiene230.39787MS, RI1.97

7Nepetalactone166.22840MS, RI5.38

8cis, trans-1,9-Dimethylspiro[4.5]decane166.3875MS, RI1.64

9β-Caryophyllene204.36924MS, RI18.28

10β-Farnesene204.35792MS, RI6.12

11α-Humulene204.35904MS, RI1.19

12Aromadendrene204.35917MS, RI0.50

13β-Cubebene204.35883MS, RI2.96

14Humulen-(v1)204.35916MS, RI0.17

15γ-Elemene204.35837MS, RI1.81

16γ-Caryophyllene204.35830MS, RI4.95

17β-Sesquiphellandrene204.35843MS, RI2.26

18Argeol220.35734MS, RI1.07

194-Methylene-2,8,8-trimethyl-2-vinylbicyclo[5.2.0]nonane204.35799MS, RI0.27

20Caryophyllene oxide220.35732MS, RI20.08

Total (%)100.00

Grouped components%

1Sesquiterpene hydrocarbon38.49

2Alcoholic sesquiterpenoid1.07

3Oxide sesquiterpenoid20.08

4Monoterpene hydrocarbon1.65

5Aldehydic monoterpenoid0.62

6Ketonic monoterpenoid1.97

7Monoterpenoid lactone5.38

8Spiroalkane29.14

9Ketone1.58

Total identified groups (%)100.00

MW: molecular weight; RI: retention index; and RT: retention time.