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Characterization of Essential Oils from Tuberose Flowers Waste (<i>Polianthes tuberosa</i> L.)

Arita D. Nugrahini, Aisyah L. Ristanti, and Jumeri
Department of Agroindustrial Technology, Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia
Abstract—Tuberose flower (Polianthes tuberosa L.) is known widely as fresh cut flower and perfume raw material. The purposes of this research were to find out whether waste of the tuberose flowers still contain valuable essential oil when extracted by maceration method, and also to determine the characteristics and antioxidant activities of produced essential oil. Maceration used hexane and petroleum ether as solvent to extract volatile compound from tuberose flower. The solvent and flower petals were soaked with ratio of 1:2. Maceration process carried out at ambient temperature for 24 hours. The solvent and flower petals were separated by filtration. The solvent was evaporated to obtain the extract and then measured the yield and checked the characteristics of the oil. It consist of color, refractive index, specific gravity, acid value, and the ester value. Examination of antioxidant activity used DPPH as free radicals. Yield of maceration with hexane (0,12%) is higher than petroleum ether (0,08%). Based on statistical test with 95% of confidence level indicates that characteristics of tuberose essential oil with hexane and petroleum ether was not different. Percentage of antioxidant showed that the yield by extraction with hexane solvent (13,13%) is higher than petroleum ether (9,27%).
 
Index Terms—tuberose flower wastes, essential oils, maseration, antioxidant

Cite: Arita D. Nugrahini, Aisyah L. Ristanti, and Jumeri, "Characterization of Essential Oils from Tuberose Flowers Waste (Polianthes tuberosa L.)," Journal of Advanced Agricultural Technologies, Vol. 4, No. 1, pp. 53-56, March 2017. Doi: 10.18178/joaat.4.1.53-56
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