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Infraspecific taxonomy and essential oil chemotypes in sweet basil, Ocimum basilicum
Year:
1996
Source of publication :
Phytochemistry
Authors :
Putievsky, Eli
;
.
Volume :
43
Co-Authors:
Grayer, R.J., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Kite, G.C., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Goldstone, F.J., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Bryan, S.E., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Paton, A., Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
Putievsky, E., Division of Aromatic Plants, Agricultural Research Organisation, Newe Ya'ar Research Centre, P.O. Box 9000, Haifa 31900, Israel
Facilitators :
From page:
1033
To page:
1039
(
Total pages:
7
)
Abstract:
Essential oil compositions of fresh and freeze-dried leaves were determined for 16 accessions of Ocimum basilicum belonging to different varieties to see whether they could be used as infraspecific taxonomic characters. One accession of O. x citriodorum was also studied. Some 30 monoterpenoids, sesquiterpenoids and phenylpropanoids were identified, the major components (more than 20% of the total essential oil composition in one or more accessions) being geranial and neral in O. x citriodorum, and linalool, methyl chavicol, eugenol, methyl eugenol and geraniol in O. basilicum. Based on a combination of the latter compounds, five major essential oil profiles could be distinguished in the accessions studied for O. basilicum. These profiles were largely the same for fresh and freeze- dried material of the same plant, although in dried leaves, methyl chavicol and eugenol concentrations had generally declined in comparison to those of linalool. There appeared to be little correlation between essential oil patterns and varietal classification within O. basilicum. In view of the chemical heterogeneity of O. basilicum and its use as an essential oil- producing crop, culinary herb, medicinal plant and insect-controlling agent, in all of which chemicals play an important role, the infraspecific classification of this taxon should take chemical characters into consideration. A system for the classification of essential oil chemotypes in O. basilicum is proposed.
Note:
Related Files :
Basil
chemistry
chemotaxonomy
essential oils
Insecta
Ocimum basilicum
Oils, Volatile
Phytochemistry
Show More
Related Content
More details
DOI :
10.1016/S0031-9422(96)00429-3
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28349
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:38
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Scientific Publication
Infraspecific taxonomy and essential oil chemotypes in sweet basil, Ocimum basilicum
43
Grayer, R.J., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Kite, G.C., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Goldstone, F.J., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Bryan, S.E., Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
Paton, A., Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, United Kingdom
Putievsky, E., Division of Aromatic Plants, Agricultural Research Organisation, Newe Ya'ar Research Centre, P.O. Box 9000, Haifa 31900, Israel
Infraspecific taxonomy and essential oil chemotypes in sweet basil, Ocimum basilicum
Essential oil compositions of fresh and freeze-dried leaves were determined for 16 accessions of Ocimum basilicum belonging to different varieties to see whether they could be used as infraspecific taxonomic characters. One accession of O. x citriodorum was also studied. Some 30 monoterpenoids, sesquiterpenoids and phenylpropanoids were identified, the major components (more than 20% of the total essential oil composition in one or more accessions) being geranial and neral in O. x citriodorum, and linalool, methyl chavicol, eugenol, methyl eugenol and geraniol in O. basilicum. Based on a combination of the latter compounds, five major essential oil profiles could be distinguished in the accessions studied for O. basilicum. These profiles were largely the same for fresh and freeze- dried material of the same plant, although in dried leaves, methyl chavicol and eugenol concentrations had generally declined in comparison to those of linalool. There appeared to be little correlation between essential oil patterns and varietal classification within O. basilicum. In view of the chemical heterogeneity of O. basilicum and its use as an essential oil- producing crop, culinary herb, medicinal plant and insect-controlling agent, in all of which chemicals play an important role, the infraspecific classification of this taxon should take chemical characters into consideration. A system for the classification of essential oil chemotypes in O. basilicum is proposed.
Scientific Publication
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