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Essential oil composition of two unique ginger (Zingiber officinale Roscoe) cultivars from Sikkim
Indu Sasidharan1, V V Venugopal, A Nirmala Menon
1Agroprocessing Division, National Institute for Interdisciplinary Science and Technology-CSIR, Trivandrum, Kerala, India.
Abstract:
Volatile oils from two most popular cultivars from Sikkim namely, Bhaisa and Majulay, were isolated, characterised by analytical GC and GC-MS. Sixty constituents accounting for 94.9% and 92.6% of the Bhaisa and Majulay oils were identified. The major compounds of Bhaisa oil were geranyl acetate (18.8%), zingiberene (16.3%) and geranial (8.2%) and those of Majulay oil were zingiberene (19.8%) and geranial (16.5%). Compared to other ginger cultivar oils, the Bhaisa oil had higher content of oxygenated compounds (43.1%). This is the first report on the essential oils from Sikkim ginger cultivars.
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