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. 2023 Sep 9;9(9):e20034. doi: 10.1016/j.heliyon.2023.e20034

Table 2.

Comparative GC-MS metabolic profiling of the methanolic extracts of the experimented Podocarpus species, showing the predicted compound name, molecular formula and their identities.

RT (min) Compound Nature of Compound Molecular formula Selected Plant species (Peak area %)
P. gracilior P. elongatus P. macrophyllus P. neriifolius
1 4.09 Linoleic Acid Chloride Omega-6 fatty acid C18H31ClO 0.96
2 4.16 2-(7-Heptadecynyloxy) tetrahydro-2H-pyran Flavonoid C22H40O2 0.87
3 4.26 Oleic acid Omega-9 fatty acid C18H34O2 1.22
4 7.45 Oxamyl Carbamate ester C7H13N3O3S 1.18
5 7.82 2,5,5,8A-tetramethyl −3,5,8,8
A- tetrahydro-2H-chromene
C13-apocarotenoids or Norisoprenoids C13H20O 1.94
6 8.26 Vitispirane C13-apocarotenoids or Norisoprenoids C13H20O 8.25 14.63 1.99
7 9.39 ç-Elemene Sesquiterpenoid C15H24 1.98 5.19 3.88
8 9.60 Farnesol (3,7,11-trimethyl-2,6,10-dodecatrien-1-ol) Acyclic sesquiterpene alcohol C15H26O 1.46
9 9.61 α-copaene Sesquiterpenoid C15H24 1.91
10 10.13 α-cedrene Sesquiterpenoid C15H24 3.81
11 10.80 2-Methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-butenal Aldehyde C14H22O 1.14
12 10.81 2,3-Dehydro-4-oxo-α-ionol Sesquiterpenoid C13H18O2 0.65
13 11.01 β- Caryophyllene Bicyclic sesquiterpenoid C15H24 17.10 7.26 36.41 3.66
14 11.71 Cis-α-Bisabolene Sesquiterpenoid C15H24 3.21 6.45
15 12.28 β-Cuvebene or β –Cubebene Sesquiterpenoid C15H24 9.16 1.12
16 12.58 α –Selinene Sesquiterpenoid C15H24 5.19 3.88
17 12.59 Lepidozene bicyclogermacrene
sesquiterpenoid
C15H24 26.52 3.88
18 12.70 β-Cadinene Sesquiterpenoid C15H24 4.22
19 13.03 α-ylangene Sesquiterpenoid C15H24 1.62 1.51 2.12
20 13.16 δ-Amorphene or cadina-1(10),4-diene Sesquiterpenoid C15H24 3.93 3.64
21 13.31 Cubebol Sesquiterpenoid C15H26O 3.49
22 14.28 Spathulenol Sesquiterpenoid C15H24O 10.29
23 14.29 Caryophylene oxide sesquiterpenoid alcohol C15H24O 0.75 2.86
24 15.37 α-acorenol Sesquiterpenoid C15H26O 0.63 1.79
25 15.49 Cedrane-8,13-diol Sesquiterpenoid C15H26O2 3.53
26 15.54 Longifolene or Junipene Tricyclic sesquiterpenoid C15H24 1.52
27 15.78 2,5-Octadecadiynoic acid, methyl ester Fatty acid C19H30O2 0.74 2.94
28 15.85 2-[4-Methyl-6-(2,6,6-trimethylcyclohex-1-enyl)hexa-1,3,5-trienyl]cyclohex-1-en-1-carboxaldehyde Aldehyde C23H32O 0.75
29 15.89 10,12-Pentacosadiynoic acid methyl ester Fatty acid C26H44O2 1.33
30 15.95 Methyl 4,7,10,13-hexadecatetraenoate Fatty Acid C17H26O2 1.66
31 16.43 Retinal (Vitamin A aldehyde) Vitamin C20H28O 3.18 1.26
32 18.92 9-octadecenoic acid (Z) Fatty Acid C18H34O2 3.94 3.67 2.49
33 18.94 12-Methyl-E,E−2,13-octadecadien-1-ol Fatty alcohol C19H36O 2.05
34 19.65 Vincadifformine Alkaloid C21H26N2O2 1.80
35 19.66 1-Heptatriacotanol Fatty alcohol C37H76O 1.33
36 20.36 Atis-16-ene, (5á,8à,9á,10à,12à Diterpenoid C20H32 3.51
37 20.52 Palmitic acid, methyl ester Fatty acid C17H34O2 3.50
38 20.54 Tetraacetyl-d-xylonic nitrile Sugar acid C14H17NO9 1.11
39 20.83 Biformene or Labda-8(20),12,14-triene Diterpenoid C20H32 7.00
40 20.99 Desulphosinigrin Carbohydrate C10H17NO6S 2.31
41 21.06 Melezitose Carbohydrate C18H32O16 2.01
42 21.15 3-O-Methylhexose (3-O-Methyl-d-glucose) Carbohydrate C7H14O6 4.31
43 21.99 Kaur-16-ene or α-Podocarpene Diterpenoid C20H32 18.85 70.95
44 22.09 2,3-Dihydroxypropyl palmitate Fatty acid ester C19H38O4 1.48
45 22.18 Dodecanoic acid, 2,3-bis(acetyloxy)propyl ester Fatty acid ester C19H34O6 1.03
46 23.26 Pentadecanoic acid Fatty acid C15H30O2 0.61
47 23.30 cis-Oxiraneundecanoic acid Fatty acid C19H36O3 1.01
48 23.42 3-Oxo-20-methyl-11-à- hydroxyconanine-1,4-diene Steroid alkaloid C22H31NO2 0.80
49 23.61 Methyl stearate Fatty acid C19H38O 1.70
50 24.68 Methyl-9,9,10,10-D4-octadecanoate Fatty acid C19H34D4O2 0.99
51 26.73 9,10 dideutero octadecanoic acid Fatty acid C18H34D2O2 1.45
52 29.36 10-Methoxy-N(b)-à –methylcorynantheol Alkaloid C21H29N2O2 1.46 1.72
53 34.19 2-Monolinolenin
2TMS derivative
Fatty acid C27H52O4Si2 0.35
54 34.34 Calcitriol or 1,25-Dihydroxyvitamin D3, TMS derivative Vitamin C30H52O3Si 1.29 1.02 0.83
55 34.58 Vitamin E, alpha-tochopherol Vitamin C29H50O2 3.18
56 34.66 Quercetin 7,3′,4′-trimethyl ether Flavenoid C18H16O7 0.76 3.03 1.58
57 35.48 1-Heptatriacotanol Fatty alcohol C37H76O 3.71
58 35.50 Ergosta-5,22-dien-3-ol, acetate, (3á,22E)- Steroid C30H48O2 1.05