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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia Jurnal Fitopatologi Indonesia MANAJEMEN IKM: Jurnal Manajemen Pengembangan Industri Kecil Menengah JURNAL BISNIS STRATEGI Jurnal Keteknikan Pertanian Jurnal Penelitian Hasil Hutan Jurnal Penelitian Pascapanen Pertanian Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Jurnal Penelitian Tanaman Industri Buletin Teknologi Pasca Panen Indonesian Journal of Business and Entrepreneurship (IJBE) agriTECH Jurnal Aplikasi Bisnis dan Manajemen (JABM) E-Journal Jurnal Agroindustri Jurnal REKOMEN (Riset Ekonomi Manajemen) IJBE (Integrated Journal of Business and Economics) Jurnal Penelitian Pertanian Tanaman Pangan Jurnal Teknologi & Industri Hasil Pertanian Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) JURNAL PANGAN Jurnal Penelitian Hasil Hutan Jurnal Penelitian Tanaman Industri (Littri) Jurnal Penelitian Hasil Hutan

Rokhani Hasbullah

Departemen Teknik Mesin Dan Biosistem , IPB University

Author-ID : 277989

Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences

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Pengaruh Perlakuan Air Panas terhadap Mutu Buah Jambu Biji (Psidium guajava L.) Selama Penyimpanan Lista Eka Yulianti; Rokhani Hasbullah; Nanik Purwanti
Jurnal Keteknikan Pertanian Vol. 4 No. 2 (2016): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractGuava (Psidium guajava L.) is one of the potential tropical fruits in Indonesia. Guava productivity can decrease because of pest attacks. Fruit fly (Bactrocera carambolae) is one of guava major pests. It’s needed a treatment that can annihilate fruit fly without affecting the fruit quality. Hot water treatment (HWT) is known as one of popular method for fruit fly disinfestation. HWT at 46oC for a minimum of 15 min is known as a method for B. carambolae disinfestation.This research aimed to observe temperature development during HWT and to study the effects of HWT and storage temperature on guava quality. Red guava was treated by hot water at 46oC for 10, 20, 30 min and then stored at two temperatures, 10oC and 28 ± 2oC. Respiration rate and fruit quality were observed during storage.Respiration rate, weight losses, hardness, moisture content, total soluble solid, and color of guava aren’t affected by HWT at 46oC for 10 - 30 min. Low temperature significantly decreased the respiration rate and weight losses during storage. It’s also maintained moisture content and color of guava.AbstrakBuah jambu biji (Psidium guajava L.) merupakan salah satu buah tropis berpotensi di Indonesia. Produktifitas jambu biji dapat mengalami penurunan karena adanya serangan hama. Salah satu hama utama jambu biji adalah lalat buah dengan spesies Bactrocera carambolae. Diperlukan suatu perlakuan yang dapat membunuh lalat buah tersebut dengan tidak mempengaruhi mutu buah. Perlakuan air panas diketahui sebagai salah satu metode yang banyak digunakan untuk disinfestasi lalat buah. Perlakuan air panas pada suhu 46oC selama minimal 15 menit diketahui dapat membunuh B. Carambolae. Penelitian ini bertujuan untuk mengamati perkembangan suhu selama proses perlakuan air panas dan mempelajari pengaruh suhu dan lama perlakuan air panas terhadap mutu buah jambu biji selama penyimpanan. Buah jambu biji merah diberi perlakuan air panas dengan suhu pusat 46oC selama 10, 20, 30 menit dan kontrol kemudian disimpan pada dua taraf suhu berbeda, yaitu suhu 10oC dan 28 ± 2oC. Selama penyimpanan dilakukan pengamatan laju respirasi dan perubahan mutu buah. Perlakuan air panas pada suhu pusat buah 46oC selama 10 - 30 menit tidak berpengaruh terhadap laju respirasi, susut bobot, kekerasan, kadar air, total padatan terlarut, dan warna buah jambu biji. Suhu rendah dapat menekan laju respirasi dan susut bobot buah selama penyimpanan. Selain itu, suhu rendah juga dapat mempertahankan kadar air dan warna buah jambu biji.

Pengaruh Lama Pengukusan terhadap Mutu Fisik Beras Pratanak pada Beberapa Varietas Gabah Esa Ghanim Fadhallah; Rokhani Hasbullah; Lilik Pujantoro Eko Nugroho
Jurnal Keteknikan Pertanian Vol. 4 No. 2 (2016): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractParboiled rice processing begins with a process of paddy soaking and steaming. These processes are intended to improve physical quality and lower the glycemic index so it fits for diabetic and diet purposes. Objective of this study was to assess the effect of soaking time and temperature on paddy moisture content and effect of steaming time on milling yield and physical quality of parboiled rice in some paddy varieties. The stages of the research was determination of soaking time and temperature, processing of parboiled rice, milling yield analysis, and physical properties analysis. The result showed that paddy soaking at 60oC takes 3 - 5 hours to reach moisture content of 25 – 30%, whereas at 30oC takes more than 7 hours. Steaming of Ciherang paddy for 20 minutes resulted the highest head rice yield (72.52 ± 5.00%). Parboiling condition that recommended was soaking paddy on 60oC for 4 hours and steaming for 20 minutes using Ciherang paddy variety.AbstrakPengolahan beras pratanak diawali dengan proses perendaman dan pengukusan gabah. Proses tersebut dimaksudkan untuk meningkatkan mutu fisik dan menurunkan nilai indeks glikemik dari beras yang dihasilkan sehingga cocok dikonsumsi penderita diabetes dan untuk keperluan diet. Penelitian ini bertujuan mengkaji pengaruh suhu dan waktu perendaman terhadap kadar air gabah dan mengkaji pengaruh lama pengukusan terhadap rendemen giling dan mutu fisik beras pratanak pada beberapa varietas gabah. Tahapan penelitian meliputi penentuan suhu dan waktu perendaman, pembuatan beras pratanak, analisis rendemen giling dan analisis mutu fisik beras pratanak. Hasil penelitian menunjukkan bahwa perendaman pada suhu 60oC membutuhkan waktu 3 - 5 jam untuk mencapai kadar air gabah 25 – 30%, sedangkan pada suhu 30oC membutuhkan waktu lebih dari 7 jam. Pengukusan 20 menit pada gabah varietas Ciherang menghasilkan rendemen beras kepala tertinggi, yaitu 72.52 ± 5.00%. Kondisi proses pratanak yang direkomendasikan adalah perendaman gabah pada suhu 60oC selama 4 jam dan pengukusan selama 20 menit menggunakan gabah varietas Ciherang.

Kajian Perlakuan Dingin Untuk Pengendalian Lalat Buah Pada Jeruk Mandarin Rofika Rochmawati; Rizal Syarief; Budi Nurtama; Rokhani Hasbullah
Jurnal Keteknikan Pertanian Vol. 5 No. 2 (2017): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractIndonesia has a high volume of import fruit especially Mandarin orange. This fact is highly asociate with the spread of new pests and diseases from their original countries to the plants in Indonesia. Therefore, quarantine treatment is important activity that must be done. This research aims to determine the effectiveness of cold treatment as a quarantine method for controlling fruit fly of Mandarin orange and to ensure the best quality of the fruit. The methods are contain from several step. First, was determine the most tolerant stage in cold temperature (2 oC and 3 oC for 18 days), then large scale trial, physical and sensory quality test. The result of pest control showed that the second instar of Bactrocera cucurbitae was the most resistant of cold treatment. Large scale trial at 3oC for 18 days has reached 100% mortality. For comparing before and after cold treatment, it was a significant difference of hardness parameter. While resulted in hedonic test showed that no significant difference of consumer preference to the fruit in different retail storage system for 15 days. Thus, it can be concluded that different temperature has no effect to consumer preference to overall quality of Mandarin orange fruit. AbstrakIndonesia memiliki nilai impor buah yang tinggi terutama jeruk Mandarin. Hal ini berdampak pada meningkatnya resiko penyebaran hama dan penyakit baru dari Negara pengekspor ke tanaman di Indonesia. Sehingga perlakuan karantina merupakan hal sangat penting untuk dilakukan. Tujuan dari penelitian ini adalah menentukan efektivitas dari perlakuan dingin sebagai metode karantina untuk mengontrol Bactrocera cucurbitae pada jeruk Mandarin dan memastikan kualitas buah masih dalam keadaan baik. Metode penelitian ini terdiri dari beebrapa tahap. Tahap pertama adalah penentuan spesies yang paling resisten pada suhu rendah (2 oC dan 3 oC selama 18 hari), kemudian dilanjutkan dengan uji skala besar, uji kualitas fisik dan sensori buah. Hasil perlakuan dingin menyatakan bahwa stadia instar kedua dari Bactrocera cucurbitae merupakan yang paling tahan terhadap perlakuan dingin. Uji skala besar pada 3oC selama 18 hari mampu mematikan stadia yang paling tahan hingga tingkat mortalitas 100%. Uji kualitas sebelum dan sesudah perlakuan menunjukkan bahwa perlakuan ini mempengaruhi kekerasan buah, sedangkan hasil uji hedonik menunjukkan perbedaan yang tidak signifikan pada tingkat kesukaan konsumen terhadap buah hasil perlakuan yang disimpan dengan perbedaan suhu di tingkat pengecer selama 15 hari. Dengan demikian, dapat dikatakan bahwa perbedaan suhu tidak berpengaruh pada tingkat kesukaan konsumen terhadap kualitas secara keseluruhan jeruk Mandarin.

Kajian Pengeringan dan Pendugaan Umur Simpan Seledri pada Berbagai Bahan Kemasan Fleksibel Tri Yulni; Rokhani Hasbullah; Leopold Oscar Nelwan
Jurnal Keteknikan Pertanian Vol. 5 No. 2 (2017): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractCelery is a perishable horticultural product due to its high water content. This condition leads to a short durability of the celery, thus efforts to prolong its shelf life are required. This study aimed at studying the effects of immersion in sodium metabisulphite and drying temperature on the quality of dried celery leaves, and determining its shelf life using acceleration method based on critical moisture content approach. The results showed that soaking treatment using solution of sodium metabisulphite prior to drying process was able to maintain the dried celery leaves qualities, which resulted in higher chlorophyll content, lower apparent density, higher rehydration ratio, and higher VRS (volatile reducing substance) in comparison without soaking treatment. Moreover chlorophyll content, apparent density, volatile reducing substance (VRS), and rehydration behaviours were affected by the drying temperature. Shelf life of dried celery leaves based on critical moisture content approach represented in linear low density polyethylene (LLDPE) plastic, polypropylene (PP), and aluminium foil oriented polypropylene (OPP) were 30, 51, and 790 days, respectively. AbstrakSeledri merupakan produk hortikultura yang mudah rusak karena memiliki kandungan air yang tinggi. Kondisi ini menyebabkan seledri tidak tahan lama disimpan sehingga diperlukan penanganan untuk memperpanjang umur simpannya. Tujuan penelitian ini adalah mengkaji pengaruh perendaman dalam larutan natrium metabisulfit dan suhu pengeringan terhadap mutu daun seledri kering dan menentukan umur simpan daun seledri kering berdasarkan metode akselerasi dengan pendekatan kadar air kritis. Hasil penelitian menunjukkan perendaman dalam larutan natrium metabisulfit sebelum pengeringan mampu mempertahankan mutu daun seledri kering, dimana dihasilkan kandungan klorofil lebih tinggi, densitas kamba lebih rendah, rasio rehidrasi lebih tinggi, serta kandungan VRS lebih tinggi dibandingkan seledri tanpa perlakuan perendaman. Selain kandungan klorofil, nilai densitas kamba, VRS, dan rasio rehidrasi dipengaruhi oleh suhu pengeringan. Umur simpan seledri berdasarkan metode akselerasi dengan pendekatan kadar air kritis didapat dalam kemasan LLDPE, PP, dan aluminium foil OPP berturut-turut adalah 30, 51, dan 790 hari.

Perlakuan Uap Panas dan Suhu Penyimpanan untuk Mempertahankan Mutu Buah Mangga Arumanis (Mangifera indica L.) Rimba Lestari; Rokhani Hasbullah; Idham Sakti Harahap
Jurnal Keteknikan Pertanian Vol. 5 No. 2 (2017): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractPests fruit fly attacks could be an obstacles to the export of fruits. Heat treatment is needed to disinfest the fruit fly without affecting the fruit quality and safe for health. The objectives of this research were (1) to analyze the mortality of Bactrocera papayae fruit flies by in-vitro and by in-vivo, and (2) to analyze theeffect of vapor heat treatment (VHT) and storage temperature on quality of Arumanis mango. The results showed that the 100% mortality in-vitro of fruit fly B. papayae at temperature 46 oC was 10 minutes. While 100% mortality in-vivo at temperature 47 oC was 20 minutes. Exposure time of VHT, storage temperature,and their interaction didn’t significantly afffect weight loss, total soluble solid, hardness, but significantly affected vitamin C. VHT didn’t cause physiological damage which the fruit is still undergoing a process of normal respiration. The fruits on storage temperature of 13±2 oC can last for 18 and 28±2 °C just can last for9 days. VHT at temperature of 47 °C for 25-30 minutes was effective to disinfestation of fruit flies infested inside the Arumanis mango and VHT followed by low temperature storage (13±2 oC) was able to maintain mango quality during storage. AbstrakSerangan hama lalat buah dapat menjadi kendala dalam ekspor buah-buahan. Perlakuan panas dibutuhkan untuk mendisinfestasikan lalat buah tanpa menurunkan mutu buah dan aman bagi kesehatan. Tujuan penelitian ini adalah (1) mengkaji tingkat mortalitas telur lalat buah Bactrocera papayae secara invitrodan in-vivo, dan (2) menganalisa pengaruh lama perlakuan uap panas (vapor heat treatment/VHT) dan suhu penyimpanan terhadap mutu mangga Arumanis. Hasil pengamatan menunjukkan bahwa 100% mortalitas lalat buah B. papayae secara in-vitro pada suhu 46 oC adalah selama 10 menit. Sedangkan 100% mortalitas secara in-vivo pada suhu 47 oC adalah selama 20 menit. Lama VHT dan suhu penyimpanan serta interaksinya tidak berpengaruh signifikan terhadap susut bobot, total padatan terlarut, dan kekerasan, tetapi berpengaruh signifikan terhadap vitamin C. Perlakuan panas tidak menyebabkan kerusakan fisiologisdi mana buah masih mengalami proses respirasi secara normal. Buah pada penyimpanan suhu 13±2 oC buah dapat bertahan selama 18 hari dan pada suhu 28±2 oC hanya bertahan selama 9 hari. VHT pada suhu 47 oC selama 25-30 menit efektif untuk membunuh lalat buah yang terinfestasi dalam manggaArumanis dan VHT yang diikuti oleh penyimpanan suhu rendah (13±2 oC) dapat mempertahankan mutu buah selama penyimpanan.

Pemodelan Sorpsi Isotermi dan Pendugaan Umur Simpan Beras Pratanak pada Kemasan Plastik Film Hasniar .; Rokhani Hasbullah; I Wayan Astika
Jurnal Keteknikan Pertanian Vol. 7 No. 1 (2019): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

AbstractMoisture sorption isotherms have an important role in the quantitative approach to predict shelf life of the food due to their sensitivity to moisture changes. The objectives of this research were to determine the equilibrium moisturecontent ofparboiled rice,to findthe bestmodel todescribe thesorption isotherm curve ofparboiled rice, and to predict shelf-life of the parboiled rice during storage. Moisture sorption isotherms of parboiled rice were determined using the standard gravimetric static methodat temperature of 30o, which involves the use saturated salt solution to maintain a fixed equilibrium relative humidity. To achieve different relative humidity environments, aqueous solutions of NaOH, MgCl2, Mg(NO3)2, KI, NaCl, KCl, Na2SO4, and NH4H2PO4 to have relative humidity of 7%, 33%, 52%, 69%, 75%, 84%, 87% dan 92%. Five gram samples of parboiled rice were stored in dessicators. The samples were weighed periodically until they constant. The Hasley, Oswin, Henderson, Chen-Clayton and Caurie models were applied to describe the relationship between equilibrium moisture content and relative humidity. The mean relative deviation was used to evaluate the goodness of each models. The result showed that equilibrium moisture content of parboiled rice fromrelative humidity of 7%, 33%,52%,69%, 75%, 84%, 87% dan 92% respective of 6.93% dry basis (db), 11.09%db, 14.22% db, 15.86% db, 17.05% db, 19.68% db, 23.92% db, dan 25.59% db. Water sorption isotherm parboiled rice had sigmoid shape. The Oswin model was found to be the best model to describe the experimental sorption data for parboiled rice was the value MRD is 3.85 and R2 is 0.98. Parboiled rice packaged with HDPE, LDPE, and PP have a predict shelf-life respective of 2.2, 2.3 and 8.8 year.AbstrakSorpsi isotermi memiliki peran penting dalam pendekatan kuantitatif untuk menduga umur simpan bahan yang rentan terhadap perubahan kelembaban. Tujuan dari penelitian ini adalah untuk menentukan kadar air kesetimbangan beras pratanak, menentukan model yang tepat dalam mendeskripsikan pola kurva sorpsi isotermi beras pratanak, dan memprediksikan umur simpan beras pratanak dengan metode kadar air kritis. Sorpsi isotermi beras pratanak ditentukan dengan menggunakan metode gravimetri statis pada suhu 30o, dengan menggunakan larutan garam jenuh untuk mengatur kelembapan relatif. Untuk mencapai lingkungan kelembaban relatif yang berbeda, larutan NaOH, MgCl2, Mg(NO3)2, KI, NaCl, KCl, Na2SO4, dan NH4H2PO4 dengan kelembaban relatif berturut turut7%,33%,52%,69%,75%,84%, 87%dan92%.Limagramsampel beraspratanakdisimpandalam desikator. Sampel ditimbang secara berkala hingga mencapai berat konstan.Model Hasley, Oswin, Henderson, Chen-Clayton dan Caurie diterapkan untuk menggambarkan hubungan antara kadar air kesetimbangan dan kelembaban relatif. Mean Relative Determination digunakan untuk mengevaluasi ketepatan masing-masing model. Hasil penelitian menunjukkan bahwa kadar air kesetimbangan beras pratanak pada RH 7%, 33%, 52%, 69%, 75%, 84%, 87% dan 92% berturut-turut adalah 6.93% bk, 11.09% bk, 14.22% bk, 15.86%bk, 17.05% bk, 19.68% bk, 23.92% bk, dan 25.59% bk. Kurva sorpsi isotermi beras pratanak memiliki bentuk sigmoid. Model Oswinadalah model yang paling tepat dalam menggambarkan sorpsi isotermi beras pratanak dengan nilai MRD sebesar 3.85 dan R2sebesar 0.98. Beras pratanak yang dikemas dengan HDPE, LDPE, dan PP memiliki umur simpan berturut 2.2 tahun, 2.3 tahun dan 8.8 tahun.

Kajian Pengeringan Bak Gabah Secara Intermittent Terhadap Mutu Beras Achmad Fitrah Maulidin; Leopold Oscar Nelwan; Rokhani Hasbullah
Jurnal Keteknikan Pertanian Vol. 7 No. 3 (2019): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Grain drying with bed dryer is generally effective with high temperatures, but this can increase fissured rice percentage. This can be overcome by combining drying method with tempering. These study were aim to examine drying temperature and duration on bed dryer using intermittent high temperature dryer, and its effect on quality variety of Ciherang with 20-22% moisture content. These research method consists of drying treatment without tempering using 35°C, 60°C and 80°C temperatures to 14% moisture content. Drying treatment with tempering consists of initial drying process-initial tempering-second drying- second tempering or without tempering, where the first drying temperature were 80°C for 20 minutes, 60°C for 30 minutes and second drying temperature were 60 °C and 35°C to 14% moisture content. The tempering duration used was 90 minutes. Results showed the grain drying method without tempering 35°C gave the highest percentage of head rice. However, the use of tempering had significantly reduced cracking and increased head rice percentage compared without tempering at the same temperature. Initial drying of 60°C for 30 minutes-tempering for 90 minutes-drying both temperatures of 35°C to 14% moisture content had been able to produce high head rice and low fissured rice percentage respectively 81.41% and 10%.

Evaluasi Mutu Beras dengan Kesesuaian Good Handling Practices dan Good Manufacturing Practices di Kabupaten Bogor Dwi Zuwarman; Sutrisno Suro Mardjan; Rokhani Hasbullah
Jurnal Keteknikan Pertanian Vol. 8 No. 1 (2020): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.08.1.1-8

Milled rice is one of the most important agricultural commodities for Indonesian people as staple food. Consumers tend to not know how to differentiate good or low quality of rice. Rice mill (RMU) in Bogor Regency mostly do not have quality standard comply with Indonesian National Standard (SNI). The purpose of this study was to identify the quality of rice and milled rice produced by RMU in Bogor Regency and evaluate the suitability of the application of rice and milled rice handling in RMU to Good Handling Practices (GHP) and Good Manufacturing Practices (GMP). The parameters measured were analysis of rice and milled rice quality and data analysis. The data resulted from measuring the quality of grain and rice was obtained from interview and observation. The results showed that four RMU rice samples not included in the class category SNI 6128: 2015 and two samples included in Medium III (M-3). On the postharvest handling conformity level was 44.92 percent for GHP and 60.25 percent for GMP. GHP and GMP guidelines were not yet fully applied by rice milling unit (RMU).

Models of Moisture Sorption Isotherm and The Estimation of Red Ginger Powder Shelf Life in Various Packaging Materials Riska Juliana; Rokhani Hasbullah; Sutrisno Suro Mardjan
Jurnal Keteknikan Pertanian Vol. 8 No. 1 (2020): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.08.1.23-28

Abstract In the processing, the red ginger powder was dried at 50°C. Red ginger powder is hygroscopic, so it is easy to absorb moisture. This research aims to determine (i) the isothermic absorption curve model in red ginger powder with different fineness modulus and (ii) the expiration date using the critical moisture content method in various types of packaging materials. Moisture sorption isotherm of red ginger powder was determined by the static gravimetric method at 300C. The relationship equilibrium moisture content between relative humidity (RH) is described by the Hasley, Chen-Clayton, Henderson, Caurie, and Oswin Models. The Estimated shelf life is determined using the ASLT (accelerated shelf-life testing) method and calculated using the Labuza model with a critical water content approach. The results obtained that moisture sorption isotherm red ginger powder has sigmoid shape a type II. Henderson is the model that illustrates the accuracy of the ISA curve of red ginger powder of 60 mesh particle size while the Chen-Clayton Model illustrates the accuracy of the ISA curve of red ginger powder of particle size of 80 mesh. The shelf life of red ginger powder is 60 mesh particle size and using HDPE, PP, and aluminum foil packaging which is stored at 75% RH and 300C temperature is 118.85 days, 467.63, and 609.26 days, respectively. The shelf life of red ginger powder 80 particle size is 148.17 days, 582.98 days and 759.54 days.

Application of Microwave-Assisted Extraction Method to Improve Yield and Qualityof White Pepper (Piper Nigrum L) Oleoresin. Annisa Purnamasari Damanik; Edy Hartulistiyoso; Rokhani Hasbullah
Jurnal Keteknikan Pertanian Vol. 10 No. 1 (2022): April 2022
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.010.1.21-28

Oleoresin extraction is generally carried out by conventional maceration method, which takes up to 7 hours. Microwave-assisted maceration extraction method has the potential to reduce extraction time and solvent consumption. This study aims to examine the effect of applying the microwave-assisted extraction method on the yield and quality of oleoresin. The material used in this study was white pepper. Microwave maceration extraction as the main treatment was carried out by dissolving 200 grams of white pepper powder (60 mesh) with 800 mL ethanol (1:4), at a power of 100 watts, a maximum temperature of 50 oC, with 4 extraction times (30 minutes, 60 minutes, 90 minutes, and 120 minutes). Extraction by conventional maceration (7 hours) was performed as a comparison. The results of this study indicate that the microwave maceration extraction method produces a higher yield than the conventional maceration method. The average yield of microwave maceration extraction for 30, 60, 90, and 120 minutes were 8.76 %, 8.32 %, 9.46 %, and 10.37 %, respectively, higher than conventional maceration (8.61 %). The quality of white pepper oleoresin extracted by microwave maceration is different from conventional maceration in terms of the type and amount of oleoresin components. It can be concluded that the microwave maceration extraction method is effective in increasing the yield and quality of white pepper oleoresin compared to conventional maceration.

Co-Authors . Setiadjit . Sukarno . Sutrisno Abdul Waries Patiwiri Achmad Fitrah Maulidin Addiena Syahvina Nasution Adhitya Yudha Pradhana Agus Ghautsun Niam Agus Sutejo Ahmad Yani Ahmad Yani Alhori Alhori Ali Parjito Amzul Rifin Andi Suryadi Anggitha Ratri Dewi Arief Daryanto Arif Imam Suroso Arif Suroso Aris Purwanto Astu Unadi Budi Nurtama Budi Rahardjo Cicih Sugianti Dadang . Damanik, Annisa Purnamasari Deasy Fitriani Desy Nofriati Desy Nofriati Deva Primadia Almada Dikky Indrawan Dondy A Setyabudi Dondy A Setyabudi DS Priyarsono Dwi Zuwarman Edi Suryanto Edy Hartulistiyoso Eka Priyana Elisa Nur Faizaty Elpodesy Marlisa Emmy Darmawati Erniati Erniati Erniati Esa Ghanim Fadhallah Eti Rohaeti Fahim M Taqi Firdaus, Jonni Graita Gaiety Jatmiko Harli Prawaningrum Hartoyo Hasniar . Hayatri Sali Setia Heriyanto S Soba Herry Suhardiyanto I Wayan Astika I Wayan Budiastra Idham Sakti Harahap Indrawan, Raden Dikky Indrawan Iriando Wijaya Ita Zuraida Iyus Hendrawan Iyus Hendrawan Jayawarsa, A.A. Ketut Jeffrey Fransiscus Juniska Muria Sariningpuri Kaltika Setya Utami Sumariana Khoirul Mukhtarom Khoirul Umam Kristianingsih, - Latief, Prori Vitaliano Lidya Susanti Lilik Pujantoro Lilik Pujantoro Eko Nugroho Lista Eka Yulianti Lydia Ariani Machfud Machfud Machfud Machfud Mahasin, M. Zaenal Mahdania, Nadya Fazira Islah Maya Wulan Arini Memen Surahman Michael Alexander Hutabarat Mohamad Rahmad Suhartanto Mohamad Solahudin MUHAMMAD YUSUF ANTU Muhammad Yusuf Antu Nanik Purwanti Nelwan, Leopold Oscar nFN Setyadjit nFN Sukarno Nunung Nuryartono Nurfadhillah, Salsa Nurhayati Nurhayati Nurman Susilo Nurul Imamah Nuzul Syah Putra Okky Setyawati Dharmaputra Parlaungan Adil Rangkuti Patiwiri, Abdul Waries Pramita Riskia D. P Purwiyatno Hariyadi Renny Anggraini Ridwan Rachmat Rimba Lestari Rio Viryawan Riska Indaryani Riska Juliana Rizal Syarief Rizal Syarief RIZAL SYARIEF Rofika Rochmawati Rozana - Ruri Wijayanti Salsa Nurfadhillah Selvi Marcellia Setiadjit Setiadjit Setyo Pertiwi Sidiq, Fajar Slamet Budijanto Sugiyono Sugiyono Sugiyono Sugiyono Sukarno Sukarno Sukmawati, Elya Sulusi Prabawati Sunandar, Muhammad Prayoga Supriyanto Supriyanto Supriyanto Suroso . Suroso Suroso Susi Lesmayati Susilo, Nurman SUTRISNO Sutrisno , Sutrisno - Sutrisno Mardjan Sutrisno Sutrisno Sutrisno Sutrisno Tajuddin Bantacut Tjahja Muhandri Tri Yulni Ujang Sumarwan Usman Ahmad Warji Warji Yudha Heryawan Asnawi

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Journal : Jurnal Keteknikan Pertanian