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Official Journal of the Japan Wood Research Society

Table 2 The volatile organic compounds of exudates

From: Composition analysis of exudates produced by conifers grown in Taiwan and their antifungal activity

Constituent

KI

Contents (%)

Identification

Araucariaceae

Cupressaceae

Pinaceae

A1

A2

A3

C1

C2

C3

C4

C5

P1

P2

P3

P4

P5

Tricyclene

906

-

-

-

0.1

-

-

-

-

-

-

t

-

-

MS, KI

α-Thujene

921

2.7

0.2

-

0.3

0.1

t

0.1

0.1

0.1

0.3

t

0.1

0.6

MS, KI, ST

α-Pinene

935

44.0

21.7

0.2

65.7

74.7

2.8

54.1

64.0

50.7

59.6

38.7

88.6

70.0

MS, KI, ST

Camphene

950

2.1

0.4

-

2.6

0.4

0.1

0.4

0.4

1.0

1.0

0.7

1.5

2.1

MS, KI, ST

Sabinene

977

4.6

1.5

t

1.3

2.2

0.2

1.6

1.7

34.2

1.7

15.3

4.0

2.4

MS, KI

β-Pinene

989

1.9

0.6

-

5.9

9.1

36.3

4.7

12.4

1.9

1.1

3.7

1.0

2.0

MS, KI, ST

α-Phellandrene

1004

-

0.3

-

-

0.2

0.2

-

-

0.1

1.1

0.1

0.1

0.1

MS, KI, ST

3-Carene

1007

-

-

-

11.4

0.1

-

0.3

0.4

0.1

1.1

0.1

0.1

0.1

MS, KI, ST

α-Terpinene

1016

0.2

0.1

-

0.1

0.1

1.3

0.1

0.1

t

0.2

0.2

t

0.1

MS, KI, ST

p-Cymene

1023

0.4

0.5

-

0.4

0.6

2.1

0.5

0.9

0.1

0.2

0.1

t

0.2

MS, KI, ST

β-Ocimene

1029

37.8

4.0

t

2.8

3.1

19.3

0.8

2.1

1.8

-

1.6

1.0

7.8

MS, KI, ST

β-Phellandrene

1031

-

-

-

1.0

2.2

-

1.3

2.4

1.6

33.0

0.7

0.7

-

MS, KI, ST

γ-Terpinene

1057

0.3

-

-

0.1

0.1

1.0

0.1

0.2

t

0.1

0.1

t

0.1

MS, KI

Terpinolene

1084

0.4

0.1

-

0.8

2.0

25.0

0.1

0.3

0.2

0.2

0.2

0.1

0.4

MS, KI, ST

p-Cymenene

1087

0.2

-

-

0.2

0.3

3.9

t

0.1

t

t

-

t

t

MS, KI

Estragole

1196

0.1

-

-

0.1

0.1

-

-

-

0.4

0.9

t

-

0.1

MS, KI

Borneol

1284

0.1

-

-

0.2

0.7

0.3

0.2

0.5

-

t

-

-

2.8

MS, KI, ST

δ-Elemene

1336

-

-

0.9

t

-

-

-

-

-

-

-

-

t

MS, KI

α-Cubebene

1350

0.1

-

1.4

2.2

-

-

t

-

-

t

-

0.1

0.1

MS, KI

Ylangene

1372

-

-

1.6

0.1

-

t

t

-

-

-

-

t

0.1

MS, KI

α-Copaene

1380

0.1

4.6

49.0

1.7

-

0.1

t

-

-

-

t

0.1

0.5

MS, KI, ST

β-Cubebene

1389

-

-

0.9

0.1

-

-

0.5

t

-

-

-

-

0.2

MS, KI, ST

α-Gurjunene

1404

-

-

3.1

t

-

-

0.1

t

-

-

-

t

-

MS, KI

Caryophyllene

1412

t

-

-

-

-

-

26.8

11.2

2.4

-

-

2.4

3.0

MS, KI, ST

β-Gurjunene

1435

-

1.8

0.3

-

-

-

0.1

-

-

-

-

-

-

MS, KI

Aromadendrene

1441

-

1.0

-

-

-

-

0.2

-

-

-

-

-

0.1

MS, KI

α-Guaiene

1448

-

0.1

0.7

0.1

1.5

0.1

0.6

0.3

-

-

-

-

0.6

MS, KI

Alloaromadendrene

1453

-

0.8

-

-

-

0.1

-

-

0.5

-

-

-

0.2

MS, KI

γ-Murrolene

1462

-

0.1

5.1

0.1

-

0.2

0.5

0.1

-

-

-

-

0.3

MS, KI, ST

Germacrene D

1469

t

0.1

2.0

-

-

0.2

-

-

-

-

-

-

2.5

MS, KI

β-Chamigrene

1475

-

0.6

-

-

-

-

2.8

0.3

-

-

-

-

0.2

MS, KI

Valencene

1480

-

1.0

2.7

0.3

-

0.3

2.8

0.4

t

-

-

-

0.4

MS, KI

γ-Cadinene

1517

-

0.1

1.4

0.2

-

0.1

-

-

-

-

-

-

0.3

MS, KI

δ-Cadinene

1521

-

0.2

10.1

0.7

-

0.4

-

-

0.1

-

-

-

0.7

MS, KI

L-Calamenene

1525

-

0.1

2.2

0.4

-

0.3

0.1

t

-

-

-

-

0.3

MS, KI

α-Cadinene

1537

-

-

1.5

0.2

-

t

-

-

-

-

0.1

-

0.1

MS, KI, ST

Total identified (%)

95.0

39.9

83.1

99.1

97.5

94.3

98.8

97.9

95.2

99.9

64.6

99.8

98.4

 
  1. A1 Agathis dammara, A2 Araucaria cunninghamii, A3 Araucaria heterophylla, C1 Calocedrus macrolepis, C2 Chamaecyparis formosensis, C3 Chamaecyparis obtuse, C4 Cunninghamia konishii, C5 Cunninghamia lanceolata, P1 Pinus elliottii, P2 Pinus insularis, P3 Pinus morrisonicola, P4 Pinus taiwanensis, P5 Pseudotsuga wilsoniana
  2. KI Kovats retention index on DB-5MS column in reference to n-alkanes
  3. MS the mass spectrum in NIST and Wiley libraries and in the literature
  4. ST standard compounds
  5. t trace, concentration < 0.1%