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Table 1 Identification of the chemical constituents in the essential oil of ANP by GC–MS

From: Comprehensive chemical profiling of volatile constituents of Angong Niuhuang Pill in vitro and in vivo based on gas chromatography coupled with mass spectrometry

No.

tR (min)

Compound

Formula

CAS

RI (measured)

RI (NIST)

Match

Structure type

Source

1

10.53

Tricyclene

C10H16

508-32-7

930.02

925

853

Monoterpeneoids

B

2

10.79

α-Pinenea

C10H16

80-56-8

939.35

937

872

Monoterpeneoids

GF, CR

3

11.32

Camphenea

C10H16

79-92-5

958.17

952

954

Monoterpeneoids

B, CR

4

11.59

Benzaldehydea

C7H6O

100-52-7

967.74

962

951

Aldehydes

GF

5

12.13

β-Pinenea

C10H16

127-91-3

987.29

979

847

Monoterpeneoids

CR

6

12.25

2-Pentylfuran

C9H14O

3777-69-3

991.45

993

839

Furans

GF

7

12.32

2,2,4,6,6-Pentamethylheptane

C12H26

13475-82-6

993.74

991

897

Alkanes

B

8

12.95

α-Phellandrene

C10H16

99-83-2

1012.46

1005

906

Monoterpeneoids

CR

9

13.05

(+)-3-Carenea

C10H16

498-15-7

1015.16

1010

740

Monoterpeneoids

CR

10

13.29

α-Terpinenea

C10H16

99-86-5

1021.92

1017

825

Monoterpeneoids

CR

11

13.54

p-Cymene

C10H14

99-87-6

1028.7

1025

900

Monoterpeneoids

GF, CR

12

13.72

Limonenea

C10H16

138-86-3

1033.6

1030

836

Monoterpeneoids

GF, CR

13

13.9

Eucalyptola

C10H18O

470-82-6

1038.53

1032

934

Monoterpeneoids

GF, CR

14

14.09

β-Isophorone

C9H14O

471-01-2

1043.5

1044

843

Ketones

GF

15

14.22

Benzeneacetaldehydea

C8H8O

122-78-1

1047.2

1045

935

Aldehydes

GF

16

14.73

r-Terpinene

C10H16

99-85-4

1061.04

1060

733

Monoterpeneoids

CR

17

15.07

Acetophenonea

C8H8O

98-86-2

1070.44

1065

965

Ketones

GF

18

15.83

Terpinolenea

C10H16

586-62-9

1090.9

1088

935

Monoterpeneoids

CR

19

16.01

p-Cymenene

C10H12

1195-32-0

1095.82

1090

843

Monoterpeneoids

CR

20

16.1

Fenchone

C10H16O

1195-79-5

1098.36

1096

810

Monoterpeneoids

B

21

16.39

Nonanal

C9H18O

124-19-6

1105.11

1104

872

Aldehydes

GF

22

17.15

Isofenchol

C10H18O

6168-62-3

1121.75

918

Monoterpeneoids

B

23

17.37

Fenchola

C10H18O

1632-73-1

1126.45

1113

904

Monoterpeneoids

B

24

17.61

β-Fenchol

C10H18O

22627-95-8

1131.74

1116

848

Monoterpeneoids

B

25

17.98

α-Campholenal

C10H16O

4501-58-0

1140.03

1125

828

Monoterpeneoids

B

26

18.74

Camphora

C10H16O

76-22-2

1156.5

1145

930

Monoterpeneoids

B

27

19.12

Camphene hydrate

C10H18O

465-31-6

1164.88

1148

925

Monoterpeneoids

B

28

19.67

Isoborneola

C10H18O

124-76-5

1177.11

1157

976

Monoterpeneoids

B

29

20.17

d-Borneola

C10H18O

464-43-7

1188.07

1167

963

Monoterpeneoids

B

30

20.39

α,α,3-Trimethylbenzenemethanol

C10H14O

5208-37-7

1192.7

1180

845

Alcohols

CR

31

20.83

l-α-Terpineol

C10H18O

10482-56-1

1202.58

1190

819

Monoterpeneoids

GF, CR

32

21.11

2-Bornanol

C10H18O

10,385-78-1

1207.45

811

Monoterpeneoids

B

33

21.3

Neoisopulegol

C10H18O

29141-10-4

1211.19

813

Monoterpeneoids

B

34

22.22

4-Methyleneisophorone

C10H14O

20548-00-9

1229.01

1242

952

Ketones

GF

35

22.64

Bornyl formate

C11H18O2

7492-41-3

1236.94

1226

908

Monoterpeneoids

B

36

23.08

Isobornyl formate

C11H18O2

1200-67-5

1245.47

1232

818

Monoterpeneoids

B

37

25.41

l-Bornyl acetate

C12H20O2

5655-61-8

1290.31

1284

640

Monoterpeneoids

B

38

26.55

4-Vinylguaiacol

C9H10O2

7786-61-0

1314.47

1317

932

Phenols

CR

39

28.45

Eugenol

C10H12O2

97-53-0

1357.5

1357

819

Phenols

GF

40

28.76

Benzalacetone

C10H10O

122-57-6

1364.59

865

Ketones

GF

41

29.56

4-Methyl-4-phenyl-2-pentanonea

C12H16O

7403-42-1

1382.7

769

Ketones

CR

42

31.52

β-Caryophyllenea

C15H24

87-44-5

1429.53

1419

932

Sesquiterpenoids

CR

43

32.13

Paeonol

C9H10O3

552-41-0

1444.74

1438

914

Phenols

GF

44

32.44

trans-β-Farnesene

C15H24

18794-84-8

1452.39

1457

796

Sesquiterpenoids

CR

45

32.61

Sesquisabinene

C15H24

58319-04-3

1456.51

1464

811

Sesquiterpenoids

CR

46

32.98

Humulenea

C15H24

6753-98-6

1465.58

1454

804

Sesquiterpenoids

CR

47

33.65

1,3-Cyclohexadiene, 1-(1,5-dimethyl-4-hexenyl)-4-methyl-

C15H24

451-55-8

1482.09

1480

876

Sesquiterpenoids

CR

48

33.77

α-Curcumenea

C15H22

644-30-4

1485.18

1483

957

Sesquiterpenoids

CR

49

34.32

α-Zingiberene

C15H24

495-60-3

1498.67

1495

891

Sesquiterpenoids

CR

50

34.57

α-Farnesene

C15H24

502-61-4

1505.36

1508

672

Sesquiterpenoids

CR

51

34.84

β-Bisabolene

C15H24

495-61-4

1513.02

1509

919

Sesquiterpenoids

CR

52

35.15

Ethylparaben

C9H10O3

120–47-8

1521.51

910

Benzoate esters

M

53

35.49

β-Sesquiphellandrene

C15H24

20307-83-9

1530.9

1524

929

Sesquiterpenoids

CR

54

35.61

trans-γ-Bisabolene

C15H24

53585-13-0

1534.09

1533

833

Sesquiterpenoids

CR

55

36.59

cis-Sesquisabinene hydrate

C15H26O

58319-05-4

1561.06

1543

857

Sesquiterpenoids

CR

56

36.72

trans-Nerolidol

C15H26O

40716-66-3

1564.79

1564

750

Sesquiterpenoids

CR

57

37.39

ar-Tumerol

C15H22O

38142-57-3

1583.26

1583

792

Sesquiterpenoids

CR

58

37.86

trans-Sesquisabinene hydrate

C15H26O

145,512–84-1

1596.08

1581

900

Sesquiterpenoids

CR

59

38.64

Zingiberenol

C15H26O

58334-55-7

1620.64

1616

923

Sesquiterpenoids

CR

60

38.85

trans-Nuciferol

C15H22O

39599-18-3

1627.39

712

Sesquiterpenoids

CR

61

39.18

β-Acorenol

C15H26O

28400-11-5

1637.839241

1649

808

Sesquiterpenoids

CR

62

40.16

ar-Tumeronea

C15H20O

532-65-0

1669.3

1664

949

Sesquiterpenoids

CR

63

40.33

Tumerone

C15H22O

180315-67-7

1674.84

1632

935

Sesquiterpenoids

CR

64

40.44

(Z)-γ-Atlantone

C15H22O

108549-48-0

1678.45

1699

836

Sesquiterpenoids

CR

65

41

4-(1,5-Dimethylhex-4-enyl)cyclohex-2-enone

C14H22O

1723-80-4

1696.24

1698

848

Sesquiterpenoids

CR

66

41.24

Bisacurol

C15H24O

120681-80-3

1704.32

910

Sesquiterpenoids

CR

67

41.4

Curlone

C15H22O

82508-14-3

1709.55

948

Sesquiterpenoids

CR

68

41.61

Curcuphenol

C15H22O

69301-27-5

1716.86

1717

814

Sesquiterpenoids

CR

69

41.7

(Z)-α-Atlantone

C15H22O

56192-70-2

1719.91

1717

915

Sesquiterpenoids

CR

70

42.71

(6R,7R)-Bisabolone

C15H24O

72441-71-5

1754.45

1747

936

Sesquiterpenoids

CR

71

42.82

Tetradecanoic acid

C14H28O2

544-63-8

1758.18

1768

780

Fatty acids and their esters

GF

72

43.55

(−)-(E)-α-Atlantone

C15H22O

108645-54-1

1783.13

1773

927

Sesquiterpenoids

CR

73

43.85

Ethyl myristate

C16H32O2

124-06-1

1793.15

1794

665

Fatty acids and their esters

GF

74

44.39

Turmeronol B

C15H20O2

131651-38-2

1815.66

763

Sesquiterpenoids

CR

75

45.5

Musconea

C16H30O

541-91-3

1867.53

929

Ketones

M

76

46.64

Methyl palmitate

C17H34O2

112-39-0

1925.78

1926

868

Fatty acids and their esters

M, GF

77

47.23

Palmitic acid

C16H32O2

10/3/1957

1960.36

1968

957

Fatty acids and their esters

M, GF

78

47.78

Ethyl palmitate

C18H36O2

628-97-7

1992.48

1993

915

Fatty acids and their esters

B, M, GF, CR

79

49.25

Methyl linoleate

C19H34O2

112-63-0

2094.97

2092

904

Fatty acids and their esters

GF

80

49.33

Methyl oleate

C19H36O2

112-62-9

2100.76

2091

846

Fatty acids and their esters

M, GF

81

49.72

Linoleic acid

C18H32O2

60-33-3

2132.12

2133

900

Fatty acids and their esters

M, GF

82

49.79

Oleic acid

C18H34O2

112–80-1

2138.03

2141

887

Fatty acids and their esters

M, GF

83

50.05

Stearic acid

C18H36O2

11/4/1957

2159.94

2172

842

Fatty acids and their esters

M, GF

84

50.09

Ethyl linoleate

C20H36O2

544-35-4

2163.23

2162

937

Fatty acids and their esters

M

85

50.17

Ethyl oleate

C20H38O2

111-62-6

2169.06

2173

905

Fatty acids and their esters

M

86

50.45

Ethyl stearate

C20H40O2

111-61-5

2192.34

2195

811

Fatty acids and their esters

B

87

50.54

Docosane

C22H46

629-97-0

2199.89

2200

855

Alkanes

GF

88

51.62

Tricosane

C23H48

638-67-5

2299.86

2300

880

Alkanes

GF

89

52.65

Tetracosane

C24H50

646-31-1

2399.86

2400

886

Alkanes

GF

90

53.72

Pentacosane

C25H52

629-99-2

2499.78

2500

878

Alkanes

GF

91

54.17

Di(2-propylpentyl) phthalate

C24H38O4

70910-37-1

2538.21

2527

911

Benzoate esters

GF

92

54.89

Hexacocane

C26H54

630-01-3

2599.7

2600

873

Alkanes

GF

93

56.2

Heptacosane

C27H56

593-49-7

2699.46

2700

851

Alkanes

GF

  1. The batch of ANP used for qualification was S7
  2. Sources: B Borneolum, M Moschus, CR Curcumae Radix, GF Gardeniae Fructus
  3. –: The RI was not found in NIST library
  4. aThe identification was confirmed with reference standards