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Intraspecific chemical variability in essential oil of <em>Cymbopogon distans </em>(Nees ex Steud.) W.Watson from Uttarakhand Himalaya (India)

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Title Statement Intraspecific chemical variability in essential oil of <em>Cymbopogon distans </em>(Nees ex Steud.) W.Watson from Uttarakhand Himalaya (India)
 
Added Entry - Uncontrolled Name Lohani, Hema ; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
Bhandari, Ujjwal ; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
Gwari, Garima ; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
Haider, S Zafar; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
Sah, Sunil ; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
Chauhan, Nirpendra K; Centre for Aromatic Plants (CAP), Selaqui-248197, Dehradun (Uttarakhand) India
 
Uncontrolled Index Term Natural products;essential oils;GC-MS;medicinal and aromatic plant
Cymbopogon distans, essential oil, piperitone, p-menth-2-en-1-ol, bornyl acetate, GC-MS.
 
Summary, etc. The essential oil composition of ten populations of <em>Cymbopogon distans</em> (Nees ex Steud.) W. Watson (Family Poaceae) growing wild in Himalayan region of Uttarakhand (India) has been studied to find out possible chemotypes. Oils were analyzed using gas chromatography and gas chromatography–mass spectrometry techniques to determine the intraspecific chemical variability. Altogether, 42 constituents were identified, representing 85.54-95.72 % of the oil composition. The main constituents in the essential oils of most of the populations were piperitone (1.05-48.78 %), cis- and trans -p-menth-2-en-1-ol (0.26-39.52 %), α-terpinene (0.52-24.86 %), cis and trans -piperitol (0.52-23.19 %), limonene (2.44-12.59 %) and camphene (0.01-6.22 %). Bornyl acetate (15.52-27.87 %), β-selinene (0.24-11.45 %), β-terpineol (5.45-6.16 %) and borneol (4.78-5.72 %) were also detected in some of the populations. The results from the chemical analysis of the essential oils were subjected to chemometric cluster analysis in order to identify the marker compounds, which differentiate the groups of individuals. Based on major compounds, the populations were represented by p-menth-2-en-1-ol, piperitol, α-terpinene (chemotype I), bornyl acetate, limonene, borneol (chemotype II), piperitone and α-terpinene (chemotype III). The present analysis revealed a new chemotype, containing bornyl acetate as the major component in the essential oil of <em>C. distans </em>from Uttarakhand, which was not reported earlier as a chief constituent.
 
Publication, Distribution, Etc. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]
2015-12-14 15:51:40
 
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http://op.niscair.res.in/index.php/IJNPR/article/view/6017
 
Data Source Entry Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)]; ##issue.vol## 6, ##issue.no## 2 (2015): June 2015
 
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