Main industrial niaouli (Melaleuca quinquenervia) oil chemotype productions from Madagascar

The chemical composition of craft and industrial niaouli (Melaleuca quinquenervia) leaf essential oils from Madagascar has been investigated over ten years. Samples (159) which are representative of this country correspond each year to 1.5-2 tons essential oil production. Among the various component...

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Bibliographic Details
Published in:The Journal of essential oil research 2008-05, Vol.20 (3), p.261-266
Main Authors: Ramanoelina, P.A.R, Bianchini, J.P, Gaydou, E.M
Format: Article
Language:English
Subjects:
(E)-nerolidol
1,8-cineole
alpha-pinene
alpha-terpineol
chemical composition
chemical constituents of plants
chemotypes
essential oil composition
essential oils
gas chromatography
leaves
limonene
mass spectrometry
Melaleuca quinquenervia
Myrtaceae
niaouli
odor compounds
odors
olfactory selection
principal component analysis
terpenoids
viridiflorol
viridiflorol, (E)-nerolidol
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Summary:The chemical composition of craft and industrial niaouli (Melaleuca quinquenervia) leaf essential oils from Madagascar has been investigated over ten years. Samples (159) which are representative of this country correspond each year to 1.5-2 tons essential oil production. Among the various components identified by GC/MS, twenty-one were used for statistical analyses, the major components were α- pinene (0.1-17%), limonene (0.0-12%), 1,8- cineole (0.0-71%), α- terpineol (0.0-12%), (E)-nerolidol (0.0-95%) and viridiflorol (0.1-36%). Niaouli essential oils from Madagascar were classified into three chemotypes using Principal Component Analysis (PCA): a cineole chemotype (49-62%), a viridiflorol chemotype (21-36%) and an (E)-nerolidol chemotype (56-95%). The 1,8-cineole chemotype is widespread, representing 92% of the samples investigated if the leaf collection is done at random. The chemotype choice for production is possible using tree selection by leaf olfactory selection before leaf harvesting for essential oil production
ISSN:1041-2905
2163-8152
DOI:10.1080/10412905.2008.9700007