Comparative analysis of essential oil contents in Jasminum auriculatum ecotypes Muthu Mullai and CO 1 Mullai

Jasminum auriculatum have a wide genetic diversity due to their adaptability to different environment conditions. The present study was carried out in the year 2022 to identify the essential oil content from the fresh flowers of the new ecotype Muthu Mullai commercially grown in Coimbatore District of Tamil Nadu. The flowers were subjected to steam distillation by soxhlet apparatus and was compared with the existing variety CO 1 Mullai by Gas Chromatography-Mass Spectrometry (GCMS) analysis and differences were analysed via. Heat map. The volatile compounds responsible for the Jasmine fragrance are alpha Farnesene, Linalool, Indole, Oleic acid and Phytol which are present in Muthu Mullai in a higher amount where the peak area percent is 0.67, 0.47, 4.747, 0.551 and 2.813% whereas in CO 1 mullai, minimum area percent of the 0.356% alpha Farnesene, 0.42% of Linalool, 2.678% of Indole, 0.344% of oleic acid were present and phytol was found to be absent.