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Composition of the Essential Oil of a New Isomenthone-Rich Variant of Geranium Obtained from Geraniol-Rich Cultivar of Pelargonium Species

Published on Mar 1, 2004in Journal of Essential Oil Research1.233
· DOI :10.1080/10412905.2004.9698658
Gauri Saxena10
Estimated H-index: 10
(Central Institute of Medicinal and Aromatic Plants),
Suchitra Banerjee20
Estimated H-index: 20
(Central Institute of Medicinal and Aromatic Plants)
+ 5 AuthorsS. Ramesh15
Estimated H-index: 15
(Central Institute of Medicinal and Aromatic Plants)
Abstract
Abstract The hydrodistilled essential oil of the shoots of the geranium variant K-99 derived from the Pelargonium species ‘Kunti,’ a geraniol-rich cultivar that was found to be rich in isomenthone. The oil of this variant was found by GC and GC/MS analyses to have the major constituents menthone (2.7%), isomenthone (63.7%), decanoic acid (5.8%), 2-phenylethyl tiglate (2.1%) and 10-epi-γ-eudesmol (5.0%). The oil of the parent ‘Kunti’ contained linalool (5.1%), isomenthone (8.2%), citronellol (13%), geraniol (31.9%), geranial (3.0%), decanoic acid (2.4%), geranyl propionate (2.3%), geranyl butyrate (3.2%), 10-epi-γ-eudesmol (5.2%), citronellyl tiglate (2.4%) and geranyl tiglate (2.8%). The composition of the oil of K-99 differs from that of the oils of other isomenthone-rich strains of geranium reported earlier in that decanoic acid and an isomer of undecanoic acid were not reported in these oils.
  • References (21)
  • Citations (6)
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References21
Newest
Composition chimique detaillee en composes aromatiques, dans differentes huiles essentielles existant en Inde, comparaison avec les memes huiles extraites dans d'autres pays, quand elles existent (cardamone, sauge, huile de gomme de galbanum et d'huile de palmarosa extraite d'une graminee)
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#1Gauri Saxena (Central Institute of Medicinal and Aromatic Plants)H-Index: 10
#2Suchitra Banerjee (Central Institute of Medicinal and Aromatic Plants)H-Index: 20
Last. Sunil Kumar (Central Institute of Medicinal and Aromatic Plants)H-Index: 13
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Abstract Efficient protocols have been established for both direct and indirect regeneration of plants in Pelargonium graveolens Indian cultivar Hemanti (Algerian type). Murashige and Skoog's (MS) medium [T. Murashige, F. Skoog, A revised medium for rapid growth and bioassays with tobacco tissue cultures. Physiol. Plant. 15 (1962) 473–497] supplemented with 5.0 mg/l kinetin and 1.0 mg/l NAA was optimal for direct regeneration of plants from leaf explants while 8.0 mg/l kinetin and 1.0 mg/l NAA p...
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Deuterium-labeled citronellyl diphosphate and citronellyl β-d-glucoside were fed to Pelargonium graveolens. Both precursors were converted into cis-/trans-rose oxide. Citronellyl diphosphate is more effectively converted into rose oxide. The phloem exudate of P. graveolens was analyzed after enzymatic cleavage of the glucosidated and phosphorylated volatiles. It could be shown that glucosidically bound citronellol is translocated in the plant. Phosphorylated citronellol could not be detected. Ke...
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#1Luigino Doimo (UQ: University of Queensland)H-Index: 4
#2R. J. Fletcher (UQ: University of Queensland)H-Index: 5
Last. Bruce R. D'Arcy (UQ: University of Queensland)H-Index: 30
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This paper is the first detailed report of straight chain and branched esters in Australian geranium oil. Hydrodistillation of 41 samples of Australian-grown rose geranium (Pelargoniun hybrid) produced oils containing four detectable parent alcohols; 2-phenylethanol (0.9%), citronellol (16.9%), nerol (0.9%) and geraniol (11.3%) and 47 of their esters. The esters present were formates (19.7%), tiglates (4.0%), propanoates (2.4%), butyrates (1.6%), iso-esters (1.2%), acetates (0.8%) and other este...
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#1M. Lis-Balchin (LSBU: London South Bank University)H-Index: 16
#2G. Roth (University of Vienna)H-Index: 2
Abstract The leaf oils of the leaves of two Pelargonium species, P. papilionaceum L. L'Herit. and P. vitifolium L. L'Herit. (Geraniaceae) and a cultivar ‘Sweet Rosina,’ were found to contain citronellic acid, ranging from 27.9% to 89.3%. The essential oils were obtained by both steam distillation and using solvent extraction in both hexane and petroleum spirit and the citronellic acid was identified by comparison with a standard using GC and also GC/MS. The presence of citronellic acid has not b...
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Abstract Hydrodistilled essential oil from Pelargonium tomentosum Jacq. cultivated at the Reunion was analyzed by GC/MS. Menthone (33%) and isomenthone (59%) were the two main components among 30 separated compounds. Other components, in trace amounts, were usual monoterpene hydrocarbons, alcohols (menthols, terpineols, borneol), ketones (piperitone and veloutone, an unusual ketone). Seven compounds remain unidentified. Mass spectra of veloutone and those of four unidentified compounds are repor...
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#1R. N. Kulkarni (Central Institute of Medicinal and Aromatic Plants)H-Index: 11
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By feeding experiments with labeled [1,1- 2 H 2 , 18 O]citronellol, it could be shown that Pelargonium graveolens is able to convert the fed precursor into cis-/trans-rose oxide. The labeling pattern and diastereomeric ratio of the resulting cis-/trans-rose oxides are in agreement with a mechanism which includes the enzymatic oxidation of citronellol in the allylic position and subsequent cyclization of the resulting diol to cis-/trans-rose oxide with retention of the oxygen of [1,1- 2 H 2 , 18 ...
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Pelargonium is one of the seven genera belonging to the Geraniaceae family, and includes almost 280 species mainly coming from South Africa. Some of these species have a strong rose scent mostly due to geraniol and citronellol. For a long time, hybrids between P. graveolens or P. radens and P. capitatum, have been used for essential oil (EO) production. Nowadays, EOs of Pelargonium species are produced mainly in China and Egypt. Hybrids are male sterile and propagated through cuttings. Their ada...
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Abstract The aim of this study was to analyse the chemical composition of essential oil of rose-scented geranium ( Pelargonium graveolens L.) growing in Algeria and to test the efficacy of the oil against food spoilage and food-borne pathogens. The chemical composition of the oil was analysed by Gas Chromatography-Mass Spectrometry (GC–MS). A total of 45 compounds representing 94.2% of the essential oil were identified. The main constituents were citronellol (30.2%), citronellyl formate (9.3%) a...
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