Risfaheri Risfaheri
Indonesian Agency of Agricultural Research and Development, Indonesian Ministry of Agriculture

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EKSTRAKSI MINYAK NILAM (Pogostemon Cablin BENTH) DENGAN TEKNIK HIDRODIFUSI PADA TEKANAN 1 – 3 BAR Harimurti, Niken; Soerawidjaja, Tatang H; Sumangat, Djajeng; Risfaheri, Risfaheri
Jurnal Pascapanen Pertanian Vol 9, No 1 (2012): Jurnal Pascapanen Pertanian
Publisher : Jurnal Pascapanen Pertanian

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Abstract

ABSTRACT. Niken Harimurti, Tatang H Soerawidjaja, Djajeng Sumangat and Risfaheri. 2012. Patchouly oil extraction with hydrodiffusiontechnique at 1 – 3 bar pressure. Patchouli oil is a type of essential oil which was obtained by pressured steam or water distillation of Pogostemoncablin Benth dried leaves. Key components of patchouli oil are patchouli alcohol and norpatchoulenol which become indicators in determiningpatchouli oil quality. This research was objected to evaluate patchouli oil extraction with hydrodiffusion technique at 1-3 bar pressure. This experimentwas designed with response surface method, with pressure (Low level 1 bar, high level 3 bars) and time (low level 3 hours, high level 12 hours) asvariables. Yield, density, refractive index, optical polarization, solubility in ethanol 90%, acid number and ester number were evaluated as the responsof the two variables. Analysis of respons surface method showed that increasing extraction pressure significantly influence in acid number while theyield of patchouli oil was influenced by pressure, time and interaction of both. Results of qualitative analysis by GC / MS showed that oil samples atno 11 (pressure 3 bar for 3 hours) contained patchouli alcohol 29.66% and norpatchoulenol 0.68%. Microhistology identification of patchouli leavesbefore and after extraction showed reduction of glandular trichomas diameter about 61.2%. Based on quality parameters values, statistical and GC /MS analysis results, the best condition for hydrodiffusion process was at 3 bar pressure for 3 hours.Keywords: patchouli oil, hydrodiffusion, patchouli alcohol, norpatchoulenol
EKSTRAKSI MINYAK NILAM (Pogostemon Cablin BENTH) DENGAN TEKNIK HIDRODIFUSI PADA TEKANAN 1 – 3 BAR Harimurti, Niken; Soerawidjaja, Tatang H; Sumangat, Djajeng; Risfaheri, Risfaheri
Jurnal Pascapanen Pertanian Vol 9, No 1 (2012): Jurnal Pascapanen Pertanian
Publisher : Jurnal Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACT. Niken Harimurti, Tatang H Soerawidjaja, Djajeng Sumangat and Risfaheri. 2012. Patchouly oil extraction with hydrodiffusiontechnique at 1 – 3 bar pressure. Patchouli oil is a type of essential oil which was obtained by pressured steam or water distillation of Pogostemoncablin Benth dried leaves. Key components of patchouli oil are patchouli alcohol and norpatchoulenol which become indicators in determiningpatchouli oil quality. This research was objected to evaluate patchouli oil extraction with hydrodiffusion technique at 1-3 bar pressure. This experimentwas designed with response surface method, with pressure (Low level 1 bar, high level 3 bars) and time (low level 3 hours, high level 12 hours) asvariables. Yield, density, refractive index, optical polarization, solubility in ethanol 90%, acid number and ester number were evaluated as the responsof the two variables. Analysis of respons surface method showed that increasing extraction pressure significantly influence in acid number while theyield of patchouli oil was influenced by pressure, time and interaction of both. Results of qualitative analysis by GC / MS showed that oil samples atno 11 (pressure 3 bar for 3 hours) contained patchouli alcohol 29.66% and norpatchoulenol 0.68%. Microhistology identification of patchouli leavesbefore and after extraction showed reduction of glandular trichomas diameter about 61.2%. Based on quality parameters values, statistical and GC /MS analysis results, the best condition for hydrodiffusion process was at 3 bar pressure for 3 hours.Keywords: patchouli oil, hydrodiffusion, patchouli alcohol, norpatchoulenol
FAKTOR SOSIAL EKONOMI PENENTU ADOPSI PENGELOLAAN TANAMAN TERPADU (PTT) PADI SAWAH DI BANGKA BELITUNG Fachrista, Irma Audiah; Hendayana, Rachmat; Risfaheri, Risfaheri
Informatika Pertanian Vol 22, No 2 (2013): DESEMBER, 2013
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.943 KB) | DOI: 10.21082/ip.v22n2.2013.p113-120

Abstract

Usahatani padi sawah di Bangka Belitung dikategorikan baru berkembang dan produktivitas padi sawah hanya mencapai 3,54 t/ha. Peningkatan produktivitas padi sawah dapat dilakukan melalui penerapan inovasi teknologi Pengelolaan Tanaman Terpadu (PTT). Percepatan arus informasi dan adopsi inovasi teknologi PTT padi sawah telah dilakukan melalui Pendampingan Sekolah Lapang Pengelolaan Tanaman Terpadu sejak tahun 2009. Penelitian ini bertujuan untuk mengetahui (1). tingkat adopsi petani terhadap komponen PTT padi sawah; (2). faktor sosial ekonomi penentu keputusan petani dalam mengimplementasikan PTT padi sawah. Penelitian dilaksanakan pada Maret - Desember 2011 dengan metode survei. Jumlah responden 54 orang peserta SL-PTT di Kabupaten Bangka dan Kabupaten Bangka Selatan. Tingkat adopsi petani terhadap komponen PTT dianalisis secara deskriptif, sedangkan faktor-faktor yang mempengaruhinya dianalisis dengan menggunakan model regresi logit. Hasil penelitian menunjukkan bahwa (1). komponen PTT yang tingkat adopsinya tinggi yaitu varietas unggul, penanganan panen dan pascapanen, tanam bibit muda dan cara pengolahan lahan sesuai musim; (2). faktor-faktor sosial ekonomi yang menjadi penentu bagi petani dalam mengadopsi PTT padi sawah yaitu pendidikan, luas lahan, jarak pemukiman ke usahatani padi, jalan raya, pasar input, dan sumber teknologi.