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Judul: Spectrum Analysis Near-Infrared Spectroscopy (NIRs) of Cajuput Oil
Penulis: Gian Kirana Efruan, Martanto Martosupono & Ferdy S. Rondonuwu  || email:
Jurnal: Prosiding FMIPA 2016 Vol. 1 no. 1 - hal. 146-152 Tahun 2016  [ Prosiding ]
Keywords:  Cajuput oil, GC-MS, NIRS, 1,8 Cineol.
Abstract: Cajuput oil is produced by the distillation of leaves and twigs of the Melaleuca leucadendra trees which grow wild and are cultivated in Indonesia. It is important to identify the substance of cajuput oil used, and it is conventionally measured using Gas Chromatography Mass Spectroscopy (GC-MS) method. This method is time consuming, leaves chemical residual, relatively expensive, and has not supported the need of quick measurement as well as provided online service in essential oil industry yet. One of potential methods to fulfill those needs is Near Infrared/NIR Spectroscopy. The result of this study shows specific NIRS spectrum pattern of cajuput oil, and the result of the overall identification shows that the cajuput oil consists of two major groups: the hydrocarbon and oxygenated hydrocarbon. The NIRs spectrum result is supported by the result of GC-MS which shows that the main compound of this oil is 1,8 Cineol which reach 72.11% of oxygenated hydrocarbon. Therefore, it can be concluded that the component compound in cajuput oil can be analyzed using NIRs method in a short period, accurate, and can be made as finger print in detecting the substance in cajuput oil products.
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