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All Journal VALENSI Jurnal Pangan dan Gizi Teknotan: Jurnal Industri Teknologi Pertanian Jurnal AGROTEKNOLOGI Abdimas JURNAL ILMU PERTANIAN Agrointek Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Pangan dan Agroindustri Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Teknologi Pertanian Prosiding Semnastek REKAYASA Jurnal Agroindustri Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian Jurnal Sains Teh dan Kina INDONESIAN JOURNAL OF ESSENTIAL OIL Chimica et Natura Acta ALCHEMY Jurnal Penelitian Kimia Jurnal Aplikasi Teknologi Pangan EDUFORTECH Empowerment : Jurnal Pengabdian Masyarakat Jurnal Teknologi Agro-Industri Agrin : Jurnal Penelitian Pertanian Agroindustrial Technology Journal Journal of Applied Agricultural Science and Technology Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Aplikasi Teknologi Pangan JURNAL ILMIAH MAHASISWA AGROINFO GALUH JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Teknologi Pertanian Andalas Journal of Industrial and Information Technology in Agriculture Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT Abdimasku : Jurnal Pengabdian Masyarakat BERNAS: Jurnal Pengabdian Kepada Masyarakat Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat Proceedings Series on Physical & Formal Sciences Industrial Research Workshop and National Seminar Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Jurnal Material dan Energi Indonesia Teknologi dan Industri Pertanian Indonesia DEDIKASI : Jurnal Pengabdian Kepada Masyarakat Jurnal Kajian Budaya dan Humaniora (JKBH) Journal of Community Empowerment Kimia Padjadjaran
Asri Widyasanti
Departemen Teknik Pertanian Dan Biosistem, Fakultas Teknologi Industri Pertanian, Universitas Padjadjaran
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Journal : Jurnal Ilmiah Rekayasa Pertanian dan Biosistem

 1 
UJI KINERJA DAN ANALISIS EKONOMI MESIN PENGUPAS BAWANG MERAH (MPB TEP-0315) [Test Performance and Economical Analysis of Shallot Skin Sheller Machine (MBP TEP-0315)] Wahyu Kristian Sugandi; M. Ade Moetangad Kramadibrata; Asri Widyasanti; Andhini Rosyana Putri
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 5 No 2 (2017): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (699.611 KB) | DOI: 10.29303/jrpb.v5i2.59

Abstract

The vacuum-pneumatic type of the modified shallot skin sheller (MPB TEP-0315) has to be specified its technical and economical feasibility. An explanatory descriptive analysis has been employed to observe, measure, and re-account the details. Results from performance test showed that its theoretical and actual capacities were 52.48 kg/h and 31.24 kg/h, respectively at a machine efficiency of 59.60 percent at a required power (for compressor and decompressor) of 2092.6 W and at a shelling yield of 70.20 percent. The average level of noissiness was 69.25 dBA. Whilst the average machine vibration with or without load were 0.67 mm/s and 1.67 mm/s, respectively. Based on economic analysis this shelling business would be reasonable at a net present value (NPV) of Rp 30.618.320,- at an internal rate of return (IRR) of 68.83%, where the benefit cost ratio (BCR) would be 1.20. While the pay back period (PBP) would be reached in the 2nd year of investation. Keywords: economic analysis, shelling machine, performance test ABSTRAK Mesin pengupas kulit bawang Tipe Vakum-Pneumatik (MPB TEP-0315) hasil modifikasi perlu dideskripsikan spesifikasi dan kelayakan ekonominya. Metode analisis deskriptif eksplanatori digunakan untuk mengamati mengukur, dan menghitung kinerja mesin serta kinerja ekonomi. Hasil uji kinerja menunjukkan bahwa kapasitas teoritis dan aktual mesin berturut-turut adalah 14,57 g/detik, dan 8,67 g/detik dengan efisiensi mesin 59,60%, dan pada kebutuhan daya (untuk kompresor dan dekompresor) 2092,6 W rendemen pengupasan 70,20%. Tingkat kebisingan mesin rata-rata 69,25 dBA. Sementara getaran mesin rata-rata dengan dan tanpa beban beruturut-turut adalah 0,67 mm/s dan 1,67 mm/s. Berdasarkan analisis ekonomi usaha pengupasan bawang merah memenuhi syarat pada nilai bersih sekarang (net present value, NPV) Rp 30.618.320,- , laju pengembalian modal (internal rate of return, IRR) 68,83%, rasio laba-biaya (benefit cost ratio, BCR) 1,20. Sedangkan periode pengembalian modal (pay back period, PBP) investasi tercapai pada tahun ke-2. Kata kunci: analisis ekonomi, mesin pengupas, uji kinerja
KARAKTERISTIK FISIKOKIMIA ANTOSIANIN EKSTRAK KULIT BUAH NAGA MERAH MENGGUNAKAN METODE UAE (Physicochemical Characteristics of Red Dragon Fruit Skin Anthocyanin Extracts using UAE Method): Physicochemical Characteristics of Dragon Fruit Peels (Hylocereus polyrhizus) Anthocyanin Extracts using UAE (Ultrasound Assisted Extraction) Method Asri Widyasanti; Novira Nurlaily; Endah Wulandari
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 6 No 1 (2018): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (666.45 KB) | DOI: 10.29303/jrpb.v6i1.63

Abstract

Dragon fruit peel (Hylocereus polyrhizus) contains anthocyanin which can be used as a potential natural colorant. Anthocyanins can be taken through the extraction process. The extraction of anthocyanin was performed by UAE (Ultrasound Assisted Extraction) method. UAE was chosen because it can result greater extraction efficiency and shorter operating times compared to conventional method. This study aims was to determine the effects of different amplitude and extraction times on the characteristics of dragron fruit peels extract using UAE. The control used was maceration method. The operating amplitude were evaluated at two levels 65% and 95%. Ultrasonic processor of 500 W output with frequency 20 kHz, solid-solvent ratio 1: 20, 60 mesh particle size with 15 minutes, 30 minutes and 45 minutes extraction times. The solvent used was aquadest with citric acid 10%. The method used was laboratory experiments using descriptive analysis. Characteristics of dragron fruit peel extracts investigated were total yield, residual solvent content, specific gravity, total anthocyanin, pH, and colour characteristics. The results showed that the dragon fruit peel extracts with amplitude 65% and extraction time of 45 minutes was the best treatment with total yield 10.62%, residual solvent content 37.50%, spesific gravity 1.2198, total anthocyanin content 29.640 ppm, pH 2.80, respectively. Based on hue angle (23.42o) the dragon fruit peel extracts obtained was resulting in red colour. Meanwhile, control treatment revealed that total yield was 9.44%, residual solvent content was 52.67%, spesific gravity 1.0609, total anthocyanin content 24.074 ppm, pH 3.06, and hue angle 33.16 o. It proven that UAE could increase the effectiveness of anthocyanin extraction and reduce residual solvent content of dragon fruit peel extracts compared to maceration. Hence, the present study makes influences of ultrasound technique on physico-chemical characteristics during extraction.
KAJIAN PROSES DAN KARAKTERISTIK KAIN TENUN SERAT ALAMI TANAMAN LIDAH MERTUA (Sansevieria trifasciata P.) Lisa Oktavia Br Napitupulu; Asri Widyasanti; Ahmad Thoriq; Asep Yusuf
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 7 No 2 (2019): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.599 KB) | DOI: 10.29303/jrpb.v7i2.137

Abstract

Sansevieria or known as tongue-in-law plant is an ornamental plant that is quite popular in Indonesia. This plant is very easily cultivated, easy to grow in areas with less water and sunlight. This plant contains potential natural fibers used as raw material requirements for textile industry, specifically in fabric making. The aims of this research were to determine the production process consisting and analyzing the characteristics of woven fabrics from the leaves of the tongue-in-law plant. The method of fibers extraction used the mechanical decortication process and making woven fabric is done using ATBM. The research method used is descriptive method. Based on the results of the study, it is known that the woven cloth of tongue-in-law has color characteristics with a value of L* 69.73; a* 1.86; b* 17,38; H 83,88. Besides that, it is known the mechanical characteristics of the tongue-in-law woven fabric, the tensile strength of the fabric, the weft direction of 46.05 kg and the warp direction of 19.96 kg; weft direction stretch 22% and stretch direction of the warp of 55.20%; weft direction tear strength 19.17% and wrap direction 4.60%; and air penetrating power 116.2 cm3/cm2/s.The value of the tensile strength of the tongue-in-law woven fabric produced in the warp direction does not meet the standards of SNI 08-0056-2006 woven fabric quality requirements for suit.Therefore, woven fabric produced is intended as a craft material.
PENGARUH PERBANDINGAN VOLUME PELARUT PADA KRISTALISASI PATCHOULI ALCOHOL DARI MINYAK NILAM (Pogostemon cablin Benth) DENGAN METODE COOLING CRYSTALLIZATION Laily Rizki Safira; Asri Widyasanti; Sarifah Nurjanah
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 7 No 2 (2019): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (693.462 KB) | DOI: 10.29303/jrpb.v7i2.142

Abstract

Minyak nilam merupakan salah satu komoditas minyak atsiri andalan Indonesia yang sangat prospektif di pasaran. Untuk meningkatkan mutu minyak nilam yaitu dengan menghasilkan kandungan patchouli alcohol yang tinggi. Pada proses kristalisasi patchouli alcohol perlu dilakukan optimalisasi untuk mendapatkan rendemen dan mutu patchouli alcohol yaitu dengan menggunakan pelarut. Penelitian ini bertujuan untuk mengetahui pengaruh perbandingan pelarut dalam proses kristalisasi patchouli alcohol terhadap rendemen dan mutu kristal yang dihasilkan. Metode penelitian yang digunakan adalah metode deskriptif dengan analisis korelasi-regresi. Penelitian ini diawali dengan proses distilasi fraksinasi vakum minyak nilam untuk meningkatkan kadar patchouli alcohol dalam distilat. Pada proses kristalisasi digunakan lima kondisi variabel pelarut yaitu 10%, 20%, 30%, 40%, dan 50% dan satu perlakuan kontrol. Pengamatan yang dilakukan yaitu rendemen dan mutu kristal patchouli alcohol meliputi uji warna, bulk density dan partikel density, dan melting point. Nilai rendemen kristal dan yield terbesar pada perlakuan volume pelarut 10% yaitu 52,77% dan 87,93%. Perolehan mutu yang terbaik yaitu uji warna pada perlakuan volume pelarut 50% sebesar 100,0533, bulk density pada perlakuan volume pelarut 10% sebesar 0,4351 g/mL, true density pada perlakuan 30% sebesar 1,0011 g/mL, melting point pada perlakuan 40% sebesar 57℃.
Co-Authors Abdurrahman Hanif Abdurrahman Hanif Abdurrahman Hanif Ade Moetangad Kramadibrata Ade Moetangad Kramadibrata Ade Moetangad Kramadibrata Adryani Tresna Winaya Afifah Tri Novita Agnes Klarasitadewi Ahmad Thoriq AHMAD THORIQ Ainina, Nurul Akbar Nashrullah, Irsyad Ali Ali Asgar Andhini Rosyana Putri Andita Mega Priantiwi Andita Mega Priantiwi, Andita Mega Anditya Husnul Hasna Anditya Husnul Hasna, Anditya Husnul Angela A. Lasut Angelina Batubara Anisa Yanthy Rahayu Arinda Nur Ariva Arinda Nur Ariva Ariq Helmi Naufal Artta Gracia Malau Asep Slamet Septianur Asep Yusuf Aulia, Shofia Az Zahra Azahra Dewanti Galuh Azara, Widya Nugrahani Bambang Nurhadi Boy Macklin Pareira Prawiranegara Budi Rahardjo Chay Asdak Cindy Almas Ramadha Cursor Fadila Dadan Rohdiana David S. Marpaung Devi M Rahmah Devi Maulida Rahmah Dewi, Sinta Ramanda Dhur Rohma Dinda Nuraini Maulfida Dwi Rahayu Dwi Rustam Kendarto Dwiyan Nugraha Efri Mardawati Eka Desti Ramadhanita Ekatama, Novriana Elazmanawati Lembong Endah Wulandari Endah Wulandari Esti Tri Pusparini Fachry Riezqiaputra Ernawan Fajri, Indra Nabil Julian Fani R. Rahmani Farah Sabilla Febriany Farddani, Chintya Listiarsi Fathiyah, Layyina Fauziyah, Rizka Fawaiz, Husni Syamil Febrianti Febrianti Febrianti Febrianti Febriyanti Utami, Elsa Fenty Nur Aisyah Fikriansyah, Irgi Fina Aryadila Fitry Filianty Fitry Filianty Fitry Fillianty Fridyana Klise Hermiati Gefalro, Khalish Gunawan, Fadia Hafizah Hafidz, Athar Zaidan Hafsah Hamidah Hafyyan, Muhammad Harnesa, Selly Haya, Faiza Nasywa Heri Aryadi Herlina Marta Hilman Syaeful Alam Hilmi Lisan Shidqi Huda Nurul Quddus Isthafa Harits Utami Isti Sulistiani Jayanti Mega Rohani Jayanti Mega Rohani, Jayanti Mega Jeremia Kristian Kaaffah, Hafshah Shihah Kurnia, Ina Laily Rizki Safira Lisa Oktavia Br Napitupulu Lita Fitriyani Khairunisa Lubis, Jessie Diorito M. Ade Moetangad Kramadibrata M. Ridwan Rais Maharani, Shintya Devita Maya Irmayanti Melly Indriyani Mimin Muhaemin Muhammad Luthfi Mukhlisin Muhammad Rizky Ramanda Muhammad Ziauddin Arsyad Muharram, Alifiansyah N.P., Sophia Dwiratna Nabila Putri, Sintia Nada Fauziyah Nadiya Sulistiyani Nadya Shita Kemala Najwa Alifah Namira, Tiara Nanda, Muhammad Achirul Naura Lathifah Jayadi Nedia Cahyati Muchtarina Nedia Cahyati Muchtarina Novira Nurlaily Nugroho, Chrismaria Putri Nunung Nurhaijah Hudairiah Nur Oktavia Benedicta Nuranjani, Farah Nurhanifah Puspitadewi Nurul Ainina Prisilia Ratna Setyaningrum Pusponegoro, Annisa Putri, Farinissa Deliana Qurratu’ain, Yona Rachma, Danisa Fathiya Rachma, Dannisa Fathiya Rahmah, Devi M Rangga Novandra Renata Marintan Olivia Rifki Amrullah Rini Azharini Rini Nurul Fauziyah Rini Nurul Fauziyah Rizal Anwar Fauzi Rizika Wulandari Rizka Fauziyah Rizky Arini Rizqita Thifal Shalsabilla Rosalinda, s Ruth Anggia Assyera S Rosalinda S Rosalinda S. Rosalinda S. Rosalinda, S. Safira Nurjanah Saniyya Rhomadina Purwanto Sarifah Nurjanah Sarifah Nurjanah Sarinarulita Rosalinda Selaraswati Fajrin Selly Harnesa Putri Septianti, Nur Alifa Shayana Junita Sheila Rizky Nur Hermawan Shintya Devita Maharani Silvianur Silvianur Sita Halimatus Sa’diyah Siti Hajar Siti Hajar Siti Nurhasanah Sophia Dwiratna Sophia Dwiratna N.P. Sophia Dwiratna Nur Perwitasari Sophia Dwiratna, Sophia Souvia Rahimah Sudaryanto Sudaryanto Sudaryanto Zain Sudaryanto Zain Sudaryanto Zein Syifa Henri Azzahra Syifa Unawahi Tati Sukarti Thahira, Aliya Zahra Tita Rialita Totok Herwanto Tri Halimah Unawahi, Syifa Uswah, Umaya Nur Vibi Ledianti Vika Nurafni Handayani Wahyu Kristian Sugandi Yona Qurratu’ain Yudha, Welly Kusuma Yudi Sutresna Zahra Dwiandra Arbuana Zahrah Eza Arpima Zulkarnain, Ellysa Madina Putri Zumi Saidah ‪Irna Dwi Destiana