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Table 1 Volatile organic compounds composition emitted from champak flowers

From: Integrated metabolome and transcriptome analysis of Magnolia champaca identifies biosynthetic pathways for floral volatile organic compounds

No.a

Compound

RT (min)b

RIc

Formula

ng.g−1 flower.h-1 d

RA (%)

1

Ethyl propanoate

6.492

703

C5H10O2

1.96 ± 0.13

0.56

2

2-Methylbutanoate

6.593

713

C5H10O2

4.14 ± 0.40

1.19

3

Methyl 2-methylbutanoate

7.188

744

C6H12O2

80.69 ± 4.34

23.16

4

Ethyl butanoate

7.383

792

C6H12O2

1.93 ± 0.40

0.55

5

Ethyl 2-methylbutanoate

8.048

841

C7H14O2

32.66 ± 3.64

9.38

6

3-Methylbutanal oxime

8.189

851

C5H11NO

0.57 ± 0.01

0.16

7

Methyl tiglate

8.297

859

C6H10O2

0.43 ± 0.01

0.12

8

Methyl hexanoate

9.122

906

C7H14O2

5.17 ± 0.57

1.48

9

Propyl 2-methylbutanoate

9.477

937

C8H16O2

1.44 ± 0.02

0.41

10

β-Myrcene

10.261

982

C10H16

0.84 ± 0.01

0.24

11

Ethyl hexanoate

10.338

989

C8H16O2

2.16 ± 0.53

0.62

12

(Z)-β-Ocimene

11.045

1031

C10H16

7.71 ± 0.78

2.21

13

(E)-β-Ocimene

11.25

1043

C10H16

16.10 ± 1.42

4.62

14

(Z)-Furanoid linalool oxide

11.763

1063

C10H18O2

2.91 ± 0.1

0.84

15

(E)-Furanoid linalool oxide

12.047

1079

C10H18O2

27.07 ± 0.92

7.77

16

β-Linalool

12.168

1092

C10H18O

24.71 ± 1.54

7.09

17

Phenylethyl alcohol

12.497

1103

C8H10O

17.12 ± 1.83

4.91

18

Neo-allo-ocimene

12.656

1125

C10H16

1.91 ± 0.26

0.55

19

Benzyl nitrile

12.912

1140

C8H7N

0.68 ± 0.14

0.19

20

(E)-Pyranoid linalool oxide

13.461

1173

C10H18O2

6.34 ± 0.29

1.82

21

α-Terpineol

13.809

1185

C10H18O

0.61 ± 0.04

0.17

22

Geranyl methyl ether

14.225

1219

C11H20O

0.99 ± 0.03

0.28

23

Geranyl ethyl ether 1

15.225

1264

C12H22O

0.73 ± 0.02

0.21

24

Indole

15.519

1285

C8H7N

30.03 ± 2.81

8.62

25

δ-Elemene

16.194

1342

C15H24

11.13 ± 0.71

3.19

26

Methyl anthranilate

16.25

1346

C8H9NO2

0.54 ± 0.01

0.15

27

α-Copaene

16.382

1355

C15H24

0.41 ± 0.01

0.12

28

α-Ylangene

16.771

1380

C15H24

2.50 ± 0.23

0.72

29

β-Bourbonene

17.021

1396

C15H24

4.89 ± 0.30

1.40

30

Isogermacrene-D

17.518

1430

C15H24

7.99 ± 0.32

2.29

31

β-Copaene

17.67

1441

C15H24

5.38 ± 0.26

1.55

32

γ-Amorphene

17.898

1456

C15H24

1.72 ± 0.14

0.49

33

γ-Muurolene

18.048

1466

C15H24

2.28 ± 0.18

0.65

34

(Z)-Muurola-4(14),5-diene

18.172

1475

C15H24

1.73 ± 0.07

0.50

35

β-Cubebene

18.443

1478

C15H24

29.87 ± 3.42

8.57

36

δ-Guaiene

18.542

1500

C15H24

0.84 ± 0.05

0.24

37

α-Muurolene

18.622

1506

C15H24

1.48 ± 0.04

0.43

38

δ-Cadinene

18.717

1513

C15H24

1.3 ± 0.06

0.37

39

γ-Cadinene

18.862

1523

C15H24

0.99 ± 0.03

0.28

40

β-Cadinene

18.939

1529

C15H24

1.22 ± 0.02

0.35

41

Methyl palmitate

23.836

1908

C17H34O2

0.58 ± 0.06

0.17

42

Methyl linoleate

25.792

2080

C19H34O2

2.83 ± 0.30

0.81

43

Methyl linolenate

25.872

2087

C19H32O2

1.83 ± 0.17

0.52

  1. aCompounds are listed in the same order as their elution from HP-5MS column
  2. bRetention Time in minutes
  3. cRetention Indices calculated using C7-C30 n-alkanes on HP-5MS column
  4. dCalculated from three independent readings