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Growth, Yield, Oil Content and Composition of Cymbopogon Jwarencusa in Bangladesh

Jasim Uddin Chowdhury
BCSIR Laboratories, P. O. Chittagong Cantonment, Chittagong-4220, Bangladesh

Nemai Chandra Nandi
BCSIR Laboratories, P. O. Chittagong Cantonment, Chittagong-4220, Bangladesh

Minhaj Uddin
BCSIR Laboratories, P. O. Chittagong Cantonment, Chittagong-4220, Bangladesh

Majibur Rahman
BCSIR Laboratories, P. O. Chittagong Cantonment, Chittagong-4220, Bangladesh

Mir Ezharul Hosain
BCSIR Laboratories, P. O. Chittagong Cantonment, Chittagong-4220, Bangladesh

Abstract/ Executive Summary:

Cymbopogon jwarencusa, an aromatic grass recently introduced in Bangladesh was studied for its growth, yield, oil content and composition of the oil. The herbage yield and oil content were highest in 2nd and 1st cutting respectively. Among the thirty three compounds identified by GC- MS, piperitone (85%) was the single major compound in the oil. Among others, eucalyptol (2.2%), camphene (2 %) and β-elemene (1.4%) are mentionable.

Keywords: Growth, Yield, Oil Content, Cymbopogon Jwarencusa

Location: Experimental field of BCSIR Laboratories, Chittagong.

Start Date:

End Date:

Program Area: Development of Host and Medicinal Plants

Non-commodity: Performance

Objectives:

This plant is not available in Bangladesh and introduced in 2001. Its growth and yield performances along with the chemical constituents of the essential oil were studied.

Methodology:

The herbs were collected from the experimental field of BCSIR Laboratories, Chittagong. Data on plant height and herb yield were recorded and the essential oils were isolated by hydro-distillation using Clevenger apparatus for four hrs. The oil obtained was dried over anhydrous sodium sulphate. GC-MS analysis: The oil of Cymbopogon jawarencusa was analyzed by GC-MS Electron Impact Ionization (El) method on GC-17A gas chromatograph (Shimadzu) coupled to a GC/MS QP 5050A Mass Spectrometer (Shimadzu); fused silica capillary column (30m x 2.5mm; 0.25 μm film thickness), coated with DB-1 (J&W); column temperature 40^OC (2 min) to 170^OC at the rate of 30 C/min; carrier gas, helium at constant pressure of 90 Kpa. Acquisition parameters full scan; scan range 40-350 amu. The compounds were identified from the NIST library data.

Source of Information: Bangladesh J. Sci. Ind. Res. 41(1-2), 97-100, 2006

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It was found that C. jwarencusa grows comparatively well in upper lands and can not tolerate water logging. It can be cultivated commercially as a source of piperitone in Bangladesh.

Knowledge Management: Journal