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TNAU Agritech Portal :: Special Technology in Jasmine


Research at TNAU :

The experiment was undertaken by Centre for Development and Advanced Computing (C-DAC), Ministry of Communication and Information Technology, Government of India, Kolkata in collaboration with Department of Floriculture and Landscaping, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu during the year 2013-2014.

The experimental material consisted of flowers of widely and commercially cultivated species of Jasmine i.e., Jasminum sambac was used. Fresh flowers, Jasminum sambac which were collected from randomly selected plants and flowers were harvested in the early morning hours of around 5 am to 6 am during the entire period of study.

The matured unopened buds (Physiologically matured flower buds) were harvested from the randomly selected plants. The flower buds were continuously observed using Electronic Nose till it opens fully (i.e. from morning to late evening). Post harvest physiological parameters such as E-Nose generated Aroma Index (AI), CO2 rate and Ethylene Emission Rate were recorded at 10.00 am, 4.00 pm, 6.00 pm, 7.00 pm and 8.00 pm. The Electronic Nose generated Aroma Index (AI) values for the above parameters were analysed statistically and least significant difference was applied to compare the differences among different time intervals at 5% probability level. The Aroma Index values were compared with other physical and chemical quality parameters of the same samples at the same time intervals. Based on the comparison, the one Aroma index was fixed, which matches with desirable quality characters.
Conclusion :
The study of ideal harvesting stage for Jasminum sp. fresh flowers reveals that, the e nose instrument aids in identifying the ideal harvesting stage for fresh flower and suitable time for concrete extraction for enhanced post harvest longevity and quality concrete respectively. This ultimately helps in industrial utility to identify the perfect stage and time for higher concrete recovery. The identified constituents from jasmine concrete were responsible for their unique fragrance. Considering the bulk of the components eluted under these chromatographic conditions, and assuming these compounds possesses a response for fragrance exclusive for jasmine species


Updated on June, 2015

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