Nur Karima, Noval Kurniawati, B. Fachri, I. Rahmawati, B. Palupi, M. Mahfud, Ditta Kharisma Yolanda, A. Rahmawati, Badril Azhar, M. Muharja
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引用次数: 1
Abstract
Beluntas (Pluchea Indica L.) yang biasa digunakan sebagai astringent dan antipiretik memiliki potensi yang tinggi sebagai bahan baku produksi minyak atsiri. Tujuan dari penelitian ini adalah untuk mengoptimalkan solvent-free microwave extraction (SFME) dari daun beluntas menggunakan response surface metodology (RSM). Desain Box-Behnken dengan variasi waktu ekstraksi (60-120 menit), rasio bahan/labu distilat (0,06-0,1 g/ml), dan daya pemanas (150-450 Watt) digunakan untuk mengoptimalkan produksi minyak atsiri. Faktor rasio bahan/penyuling memiliki pengaruh signifikan paling tinggi terhadap rendemen minyak atsiri (P<0,05). Rendemen minyak atsiri meningkat seiring dengan meningkatnya daya pemanasan minyak dan waktu ekstraksi, dan sebaliknya. Di sisi lain, peningkatan rasio bahan/labu distilat memberikan dampak negatif terhadap rendemen minyak atsiri. Hasil minyak atsiri maksimum menggunakan metode SFME sebesar 0,2728 b/b% diperoleh untuk kondisi optimal waktu ekstraksi 90 menit, daya pemanasan 450 W, dan rasio bahan/labu distilat 0,06.Beluntas (Pluchea Indica L.) which commonly used as astringent and antipyretic has a high potential for the feedstock of essential oil production. The objective of this work is to optimize solvent-free microwave extraction (SFME) of Beluntas leaves by using response surface methodology (RSM). Box-Behnken Design with the variations of extraction time (60-120 min), feed/distiller ratio (0.06-0.1 g/ml), and heating power (150-450 W) was utilized to optimize essential oil yield. The feed/distiller ratio factor had the highest significant effect on the essential oil yield (P<0.05). Essential oil yield increased as the increase of oil heating power and time extraction, and vice versa. On the other hand, the increase in the feed/distiller ratio gave a negative impact on the essential oil yield. The maximum essential oil yield using SFME method of 0.2728 b/b% was obtained for the optimized condition of extraction time of 90 min, microwave heating power of 450 W, and feed/distiller ratio of 0.06.
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