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Table 1 Chemical composition of the Melaleuca alternifolia Cheel essential oil

From: In vivo activity of terpinen-4-ol, the main bioactive component of Melaleuca alternifolia Cheel (tea tree) oil against azole-susceptible and -resistant human pathogenic Candida species

Components

Kovats Index, K.I.a

Percentage, %

α-Thujene

931

0.94

α-Pinene

939

2.42

Sabinene

976

0.40

β-Pinene

980

0.73

Myrcene

991

0.87

α-Phellandrene

1005

0.34

α-Terpinene

1018

9.76

p-Cymene

1026

2.82

Limonene

1031

1.75

1,8-Cineole

1033

3.57

γ-Terpinene

1062

20.65

Terpinolene

1088

3.71

Terpinen-4-ol

1168

42.35

α-Terpineol

1189

3.09

Aromadendrene

1439

0.94

δ-Cadinene

1524

1.05

  1. aThe substances were reported in increasing order of Retention Time expressed as Kovat's Index