Constituents of the essential oil of Leptospermum javanicum Blume from Peninsular Malaysia

Ibrahim Jantan, Nor Azah Mohd Ali, Abu Said Ahmad, Abdul Rashih Ahmad

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The chemical composition of the leaf oil of Leptospermum javanicum Blume was examined by co‐chromatography with authentic samples on two columns of different polarity, GC‐MS and Kováts retention indices. Oils obtained from three different sites at different periods were found to possess compositional similarities but quantitative differences in the concentration of each component. α‐Pinene at 41.7%, β‐pinene at 12.4% and β‐caryophyllene at 11.2% were the major components in one of the samples. The other two samples were characterized by the presence of relatively high concentrations of terpinen‐4‐ol (24.9% and 13.5% respectively) and low amounts of pinenes (6.1% and 8.1% respectively). All the samples contained 4‐hydroxy‐4‐methylpentan‐2‐one which has not been reported previously from the genus Leptospermum.

Original languageEnglish
Pages (from-to)255-258
Number of pages4
JournalFlavour and Fragrance Journal
Volume10
Issue number4
DOIs
Publication statusPublished - 1995
Externally publishedYes

Fingerprint

Leptospermum
Malaysia
Volatile Oils
Oils
essential oils
Gas Chromatography-Mass Spectrometry
sampling
leaf oils
Chemical analysis
chemical composition
oils

Keywords

  • 4‐hydroxy‐4‐methylpentan‐2‐one
  • GC‐MS
  • Kováts index
  • leaf oil
  • Leptospermum javanicum Blume
  • myrtaceae
  • terpinen‐4‐ol
  • α‐pinene
  • β‐caryophyllene

ASJC Scopus subject areas

  • Food Science
  • Chemistry(all)

Cite this

Constituents of the essential oil of Leptospermum javanicum Blume from Peninsular Malaysia. / Jantan, Ibrahim; Ali, Nor Azah Mohd; Said Ahmad, Abu; Rashih Ahmad, Abdul.

In: Flavour and Fragrance Journal, Vol. 10, No. 4, 1995, p. 255-258.

Research output: Contribution to journalArticle

Jantan, Ibrahim ; Ali, Nor Azah Mohd ; Said Ahmad, Abu ; Rashih Ahmad, Abdul. / Constituents of the essential oil of Leptospermum javanicum Blume from Peninsular Malaysia. In: Flavour and Fragrance Journal. 1995 ; Vol. 10, No. 4. pp. 255-258.
@article{fe7335200f344bbe83ed0fd61422a4b2,
title = "Constituents of the essential oil of Leptospermum javanicum Blume from Peninsular Malaysia",
abstract = "The chemical composition of the leaf oil of Leptospermum javanicum Blume was examined by co‐chromatography with authentic samples on two columns of different polarity, GC‐MS and Kov{\'a}ts retention indices. Oils obtained from three different sites at different periods were found to possess compositional similarities but quantitative differences in the concentration of each component. α‐Pinene at 41.7{\%}, β‐pinene at 12.4{\%} and β‐caryophyllene at 11.2{\%} were the major components in one of the samples. The other two samples were characterized by the presence of relatively high concentrations of terpinen‐4‐ol (24.9{\%} and 13.5{\%} respectively) and low amounts of pinenes (6.1{\%} and 8.1{\%} respectively). All the samples contained 4‐hydroxy‐4‐methylpentan‐2‐one which has not been reported previously from the genus Leptospermum.",
keywords = "4‐hydroxy‐4‐methylpentan‐2‐one, GC‐MS, Kov{\'a}ts index, leaf oil, Leptospermum javanicum Blume, myrtaceae, terpinen‐4‐ol, α‐pinene, β‐caryophyllene",
author = "Ibrahim Jantan and Ali, {Nor Azah Mohd} and {Said Ahmad}, Abu and {Rashih Ahmad}, Abdul",
year = "1995",
doi = "10.1002/ffj.2730100406",
language = "English",
volume = "10",
pages = "255--258",
journal = "Flavour and Fragrance Journal",
issn = "0882-5734",
publisher = "John Wiley and Sons Ltd",
number = "4",

}

TY - JOUR

T1 - Constituents of the essential oil of Leptospermum javanicum Blume from Peninsular Malaysia

AU - Jantan, Ibrahim

AU - Ali, Nor Azah Mohd

AU - Said Ahmad, Abu

AU - Rashih Ahmad, Abdul

PY - 1995

Y1 - 1995

N2 - The chemical composition of the leaf oil of Leptospermum javanicum Blume was examined by co‐chromatography with authentic samples on two columns of different polarity, GC‐MS and Kováts retention indices. Oils obtained from three different sites at different periods were found to possess compositional similarities but quantitative differences in the concentration of each component. α‐Pinene at 41.7%, β‐pinene at 12.4% and β‐caryophyllene at 11.2% were the major components in one of the samples. The other two samples were characterized by the presence of relatively high concentrations of terpinen‐4‐ol (24.9% and 13.5% respectively) and low amounts of pinenes (6.1% and 8.1% respectively). All the samples contained 4‐hydroxy‐4‐methylpentan‐2‐one which has not been reported previously from the genus Leptospermum.

AB - The chemical composition of the leaf oil of Leptospermum javanicum Blume was examined by co‐chromatography with authentic samples on two columns of different polarity, GC‐MS and Kováts retention indices. Oils obtained from three different sites at different periods were found to possess compositional similarities but quantitative differences in the concentration of each component. α‐Pinene at 41.7%, β‐pinene at 12.4% and β‐caryophyllene at 11.2% were the major components in one of the samples. The other two samples were characterized by the presence of relatively high concentrations of terpinen‐4‐ol (24.9% and 13.5% respectively) and low amounts of pinenes (6.1% and 8.1% respectively). All the samples contained 4‐hydroxy‐4‐methylpentan‐2‐one which has not been reported previously from the genus Leptospermum.

KW - 4‐hydroxy‐4‐methylpentan‐2‐one

KW - GC‐MS

KW - Kováts index

KW - leaf oil

KW - Leptospermum javanicum Blume

KW - myrtaceae

KW - terpinen‐4‐ol

KW - α‐pinene

KW - β‐caryophyllene

UR - http://www.scopus.com/inward/record.url?scp=0029087954&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029087954&partnerID=8YFLogxK

U2 - 10.1002/ffj.2730100406

DO - 10.1002/ffj.2730100406

M3 - Article

VL - 10

SP - 255

EP - 258

JO - Flavour and Fragrance Journal

JF - Flavour and Fragrance Journal

SN - 0882-5734

IS - 4

ER -