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Journal : METANA

PROSES PENGKELATAN MINYAK CENGKEH DENGAN ASAM SITRAT Silviana, Silviana
METANA Vol 5, No 2 (2007): Desember 2007
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2612.929 KB) | DOI: 10.14710/metana.v5i2.1907

Abstract

Abstract   Clove leaf oil is essential oil produced by distillation of clove leaf. The oil is still dark color and low eugenol content, generally. It was caused by Fe content in the oil, so the oil has dark color. Furthermore, it needs to improve the value of clove leaf oil through chelating process with citric acid. The objective of research is to obtain the significant variable for content and volum response. The research conducts with initial Fe content, chelating process, and final analysis of Fe content. Analysis of Fe content uses Spectrofotometry. The research uses design of experiment: factorial design 24 with variables: citric acid concentration (1- 2%b), temperature (50oC – 70oC), time (l - 2 hours) and stirring speed (300-600 rpm). Data treatment obtained using Design Expert software. The result shows that temperature and time are significant variable for decreasing Fe content. Decreasing of Fe content from initial content 22,98mg/L down to l,86 - 2l,26mg/L. Regresion model obtained is Eugenol =74,45 + 0,10325 temperature. However, absorbent concentration and stirring speed variables have significant influent for decreasing volume. The regresion model obtained is Fe content = 34,6075-(0,54775T)-29,0551+0,548Tt, where T  is temperature and t is time of chelating process.   Key word: clove leaf oi;  chelaling;  citric acid; Fe  content  
Co-Authors . Widayat A Halim Abdul Karim Adi Darmawan Afriyanti, Kurnia Afriza Ni'matus Sa'adah Agung Hari Wibowo Agus Subagio Ahmad Ahmad Ahmad Alvinal Azmi Akbar, Rizali Alfajar, Difa Wahyu Alfariji, Moh Anandhari, Mailinda Utami Anang M Legowo Andri Cahyo Kumoro Andy Hardianto Anggadanta, Rullyansyah Anggraini, Delvia Putri Angraini, Dwi Ayu Anisa Widia Utami Anugrah Aditya Budiarsa, Anugrah Aprilia, Dita Aprilina Purbasari Apriliyani, Vivi Arie Restu Wardhani Arief Rizki Fadhillah Aries Susanty Arif, Dwi Muhammad Arjula, Jus Armansyah Matondang, Armansyah Aulia, Dwyky Hizbul Ayu Wulandari Badrus Zaman Baskara, Andika Bella Ayu Silawanda Cahyo, Agung Dwi Candra Aditya Cantika Aulia Salsabila Dadang Hermawan Dessy Ariyanti Destia, Sella Dewi, Ririn Sari Dharma Saputra, Dharma Diana Sari Diana, Asna Didi Dwi Anggoro Edy Purwanto Eka Wulandari Elmo, Rifaldi Endah Lestari Eryati, Ristiana Fadjar, Achmad Fadjar, Ahmad Fahmi Arifan Farida Yuliani Febio Dalanta Febio Dalanta Ferry Hermawan Firdawsyi Nuzula Firman Firman Firnanda, Irma Fitri Sukmawati, Fitri Gito Sugiyanto Grace, Viona H Hadiyanto H. Hadiyanto Hakim, M Rouful Hamzah, Fazlena Hapsari, Farida Diyah Harusda, Dadhan Helga, Patricia Helmy, Arif Hidayat, Asnam I Nyoman Widiasa Ikhtisholiyah, Ikhtisholiyah Irwan Ramadhan Ritonga Ismael Saleh Istiqomah Muryaningsih Kevin Aprilio Kevin Ryo Pratama Kristy, Ellena Laeli, Sobrul Lia, Rahma Lilik Rochmah, Lilik Rochmah Limbang Kustiawan Nuswantara Lovela, Adelia Luqman Buchori M. Fendy Kussuma Hadi Sufyan Mahanani Tri Asri Main, Aminullah Aminul Marlina Marlina Mastiah Mastiah, Mastiah Melati, Emilla merliyana, Merliyana Morin, Stefania Muhamad Arifin, Muhamad Muhammad Aswar Limi Muslimin, M. Nabilla, Salsa Nadiroh, Siti Novia, Rani Nugraha, Akhbar Nurmaliza, Zilha NURUL HIDAYAH Nurwantoro Nurwantoro Nuryaman Nuryaman Ogy Gugesby, Raden Pamungkas, Prihantoro Pancaputri, Arimbi Piontek Benedictus Brandon Prakarsah, Sandy Pramesthi, Rahajeng Diah Puji Rahayu Purbo Suwandono Purnama Putra, Purnama Putri, Avira Maresa Rafi’i, Ahmad Rafi’i, Ahmad Rahmah Hastuti Rahmansyah, Agie Ahadian Rahmawati, Eko Ratna Purwaningsih Rosnawaty, Rini Rusipah, Ica Rusmawan, Wedi S Suherman Sabirin, Wahyu Saepul Hayat, Usep salamah salamah Saleh, Khaerul Saputra, Halent Alditya Sari, Maria Anita Satiti, Nantiya Sa’adah, Niltis Septiani, Venny Riska Setiabudi, Herma Dina Siagian, Erol Pancamotan Siti Rahmawati Siti Susanti Soenarih, Asih Sukoco, Rizki Anggara Sulardjaka Sulardjaka Sumardi . Suprastiyo, Suprastiyo Surbakti, RA Sasqia Maharani Susanti, Wilda Maya Syafrudin Syafrudin Syifa, Viona Syuraini, Syuraini Taufik Wal Hidayat, Taufik Wal Taufik, Ikhwan Teguh Prasetyo Tivani, Ernia Tobing, Binto Iskandar Hasibuan Tricahyo, Vion Age Tumanggor, Raja Oloan Tuti Alawiyah Utama, Nabila Putri Vebrina Hania Cholily Wahyuni, Titik Wardhani, Hutami Kusuma Wiedilaksono, Ardian Wijanarko, Aji Wisuda, Nova Laili Yelta Okta Dina Yulianty, Dhea Yulita Arni Priastiwi Yuniarti, Rita