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PEMILIHAN STARTER CAIR UNGGUL UNTUK FERMENTASI BIJI KAKAO nFN Misgiyarta; Anas Miftah Fauzi; Khaswar Syamsu; S Joni Munarso
Jurnal Penelitian Pascapanen Pertanian Vol 16, No 1 (2019): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v16n1.2019.19-27

Abstract

Kualitas biji kakao fermentasi rendah  karena kualitas starter mikroba untuk fermentasi biji kakao rendah. Seleksi starter mikroba diperlukan untuk mendapatkan starter yang unggul. Ada dua jenis starter, yaitu starter cair dan starter kering. Starter cair banyak digunakan untuk fermentasi biji kakao. Starter yang diuji adalah starter cair, yaitu starter Inoka, starter cair BB-Pasca, dan starter yoghurt. Seleksi starter mikroba dilakukan dengan memfermentasi pulp biji kakao selama 24 jam pada berbagai suhu fermentasi (20oC, 30oC, dan 40oC). Parameter yang diamati adalah jumlah total mikroba, laju pertumbuhan mikroba starter, tingkat konsumsi gula pereduksi oleh mikroba starter, total asam yang diproduksi, tingkat penurunan pH, dan peningkatan suhu fermentasi serta korelasi antara parameter pengamatan penelitian. Starter cair unggul yang terpilih adalah starter cair Inoka. Karakteristik starter Inoka adalah memiliki tingkat laju pertumbuhan μ = 0.470, konsumsi gula pereduksi oleh mikroba starter 12%, peningkatan asam total 7%, penurunan pH 5,2, dan peningkatan suhu fermentasi 1,56oC  serta korelasi antara parameter penelitian di atas 0,61. Selection of Superior Liquid Starters for Cocoa Beans FermentationThe quality of fermented cocoa beans varies because the microbial starter for fermented cocoa beans varies. The selection of starter is needed to get a superior starter. The starter tested is a liquid starter, that is the Inoka starter, the BB-Pasca liquid starter, the yoghurt. The selection of starter is done by fermenting cocoa bean pulp for 24 hours at various fermentation temperatures (20oC, 30oC and 40oC). The parameters observed were total microbial count, microbial growth rate of starter, consumption of reducing sugars by starter microbes, total acid produced, decrease of pH, and increase of fermentation temperature and the correlation between the parameters of the study. The selected superior liquid starter is the Inoka liquid starter. The characteristics of Inoka starter are to have a growth rate of μ = 0.470, consumption of reducing sugars by starter microbes 12%, total acid increase of 7%, decrease in pH 5.2, and increase in fermentation temperature of 1.56oC and correlation between research parameters above 0.61.
ANALISIS KEKUATAN KEUNGGULAN KOMPARATIF DAN KOMPETITIF INDONESIA DALAM MENINGKATKAN DAYA SAING AGROINDUSTRI HALAL Dwi Purnomo; E. Gumbira-Sa’id; Anas M. Fauzi; Khaswar Syamsu; Muhammad Tasrif
Teknotan: Jurnal Industri Teknologi Pertanian Vol 5, No 3 (2011)
Publisher : Fakultas Teknologi Industri Pertanian

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

Abstract

Pemetaan keunggulan daya saring komparatif dan kompetitif agro-industri dan bisnis halal Indonesia diperlukan untuk menjamin keberhasilan bisnis halal di pasar internasional, terutama di negara-negara anggota ASEAN. Analisis SWOT- kuantitatif digunakan sebagai metode perencanaan strategis dan untuk mengevaluasi kekuatan,kelemahan, peluang dan ancaman yang terjadi pada agroindustri halal eksisting Indonesia. Lima faktor yang dikelompokkan dianalisa dengan dua belas faktor daya saing yang dinilai untuk mengubah keunggulan komparatif menjadi keunggulan kompetitif.  Penilaian dilakukan oleh tujuh belas responden pelaku agroindustri halal nasional yang terdiri atas pengambil kebijakan, industri pakar dan pengamat. Hasil penelitian menunjukkan bahwa Agroindustri halal dapat menjadi altrenatif kebijakan yang sangat baik (skor kekuatan 4,19 dan skor kelemahan -2,25), mengingat kemampuannya melibatkan keterkaitan antara pengembangan industri hulu pertanian, industri hilir pertanian serta jasa-jasa pendukung secara harmonis dan simultan Kata kunci : Analisis SWOT kuantitatif, Halal, Agroindustri, Komparatif, Kompetitif
THE EFFECT OF PRETREATMENT OF MICROWAVE HEATING ON EFFICIENCY OF HYDROLYSIS TIME AND α-CELLULOSIC CHARACTERISTICS OF PALM OIL WASTE BIOMASS Fitriani Kasim; Khaswar Syamsu; Dwi Setyaningsih; Prayoga Suryadarma; Sudirman Sudirman
Jurnal Sains Materi Indonesia Vol 20, No 1: OCTOBER 2018
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/jsmi.2018.20.1.5408

Abstract

THE EFFECT OF PRETREATMENT OF MICROWAVE HEATING ON EFFICIENCY OF HYDROLYSIS TIME AND α-CELLULOSIC CHARACTERISTICS OF PALM OIL WASTE BIOMASS. This research is underlied by the needs of various industries for alpha cellulose, especially for the needs of raw material for cellulose nanocristalline, from fiber derived from the most potential waste biomass in Indonesia, namely oil palm empty fruit bunches (OPEFB) and mesocarp fibers. This study aims to find out the effect of pretreatment by microwave heating on the efficiency of hydrolysis time and alpha cellulose characteristics from palm oil waste biomass. To produce alpha cellulose, acid hydrolysis is commonly used with the multistage pulping process method, where the fiber is dissolved into HNO3 mixed acid, 3.5% and NaNO2, heated at a temperature of 90 oC for 2 hours, hydrolyzed and delignified to remove lignin and bleached, then separated from betha and gamma cellulose by dissolving it with NaOH 17.5%. In this study, a preliminary treatment (pretreatment) with microwave heating was carried out before the fiber was hydrolyzed so that the hydrolysis process was more efficient without reducing the characteristics of the alpha cellulose produced. The research results showed that pretreatment with microwave heating can streamline the hydrolysis time from 2 hours to 1 hour, without reducing its characteristics, where the degree of fiber crystallinity (XRD) and the yield of alpha cellulose remain high. Microwave heating with 450 watts for 5 minutes (treatment A) is better than 300 watts of heating for 10 minutes (treatment B). From the results of the study, it can be concluded that the pretreatment with microwave heating can streamline the hydrolysis time of the fiber to obtain alpha cellulose and increase the yield of the produced alpha cellulose.
Isolation and Fermentation of Lactobacillus plantarum JR64 as an Omega 6 Probiotic Producer Lanjar Sumarno; Djumali Mangunwidjaja; Anas M. Fauzi; Khaswar Syamsu; Nastiti Siswi Indrasti; Bambang Prasetya
International Journal of Science and Engineering Vol 2, No 2 (2011)
Publisher : Chemical Engineering Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (596.963 KB) | DOI: 10.12777/ijse.2.2.42-47

Abstract

Application of lactic acid probiotic bacteria in health food diversification currently is progressing rapidly.  It is encouraged the study of searching the potential strains from local resources (Ponorogo Residence) namely noni fruits (badeg pace) and noni wine.  Aims of this study were to perform the isolation, identification, and production of  probiotic Lactobacillus sp. JR64 fermentation process as a producer of Omega-6 (ω-6) lowering cholesterol and design of probiotic creamy product.   Beginning stages of research was strains isolating and in-vitro testing, the best result were used in  molecular  identification technology development for the production of metabolites through the manipulation of environmental variation  of glucose 20 g / l, 30 g / l and 40 g / l that influenced the substrate concentration of linoleic acid productivity. The result of new isolates isolation showed that isolates that obtained from noni wine, Lactobacillus plantarum JR64, was potential as probiotic condidate.   The effieciency of fermentation  substrates using  Yx/s and Yp /s  in the exponential phase was the highest value for the fermentation of 24 hours of  Yx/ s; 17.03% and Y p/s; 74.72%, while the results of design and the best formulation for viability cells of lactobacillus  plantarum probiotics JR64 was composed of 15 g and 50g butter 15 g icing sugar as well as during storage of the refrigerant temperature was 8.92 x 108 CFU / ml.  [Key Words : Omega-6,  Lactobacillus plantarum JR64, fermentation]
Ability of Lactobacillus plantarum JR64 isolated from noni juice in lowering Cholesterol in vivo Lanjar Sumarno; Djumali Mangunwidjaja; Anas M. Fauzi; Khaswar Syamsu; Nastiti Siswi Indrasti; Bambang Prasetya
International Journal of Science and Engineering Vol 2, No 1 (2011)
Publisher : Chemical Engineering Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (919.313 KB) | DOI: 10.12777/ijse.2.1.17-21

Abstract

Recently public’s attention to the importance of healthy food increases rapidly. Probiotic based food exploiting lactic acid bacteria is among the healthy food. Lactobacillus plantarum JR64 isolate from Morinda citrifolia fruit was assessed for its probiotic in-vivo by using Wistar  Rat. The purpose of this research was to study the ability of probiotic Lactobacillus plantarum JR64 in lowering serum LDL (Low Density Lipoprotein) of Wistar Rat. Twenty Rats were grouped into 4, each group consisted of 5 Rats. First Group was a negative control  given standard normal diet of 20 gr/day plus aquadest. Second Grup was a positive control given cholesterol normal diet 20 gr /day plus Propil Tio Urasil (PTU) 60 mg/kg body weight/day. Third Group was supplemented with normal diet 20 gr /day plus Propil Tio Urasil (PTU) 60 mg  kg body weight /day and  1012 CFU Lactobacillus plantarum JR64. Fourth Group was the same as third Group unless the probiotic using commercial probiotic Lactobacillus bulgariccus at 1012 CFU. Blood samples were withdrawn for measurement of total cholesterol, triglyceride, High Density Lipoprotein (HDL), and Low Density Lipoprotein (LDL) cholesterol every week and measured by using spectrophotometer with 546 nanometers wavelength. The results show that probiotic Lactobacillus plantarum JR64 isolated from noni juice significantly (p < 0,01) reduce Low Density Lipoprotein (LDL) and Triglyceride in vivo  and tend to reduce High Density Lipoprotein (HDL) and total cholesterol.
Penentuan Kondisi Terbaik Ekstraksi Antioksidan dari Gambir Menggunakan Metode Permukaan Respon Gustri Yeni; E. Gumbira Sa’id; Khaswar Syamsu; Etik Mardliyati
Jurnal Litbang Industri Vol 4, No 1 (2014)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v4i1.637.39-48

Abstract

Extract of Uncaria gambier contains phenolic compounds that have function as an antioxidants. Antioxidant content depends on the extraction conditions. To obtain high antioxidant activity of the phenolic compounds, the optimization process was carried out using response surface methodology (RSM) with three variables namely  the ratio of solvent (ethyl acetat : ethanol), the ratio of sample : solvent and time of extraction with the antioxidant activity DPPH (IC50) as response. Optimization result showed a quadratic polynomial regression equation of Y = 137.25 + 5.18 (R.solvent) + 24.75 (R.sample) + 11.53 (Time of.extrac) + 6.17 (R.solvent x sample) + 3.14 (Rsolvent x Time of.extrac) + 13.79 (R.sample x Time of.extrac) – 5.44 (R.solvent2) – 15.33 (R.sample2) – 5.42 (Time of.extrac2). The optimum response was achieved at the solvent ratio of ethyl acetat : ethanol = 0,37 : 0,55, ratio of sample : solvent = 1:2 and time of extraction 20 hours.  Validation result revealed that the predicted value (IC50 = 82.89 mg/mL) of this model was reasonably close to the experimental result (IC50 = 82,735 ± 0,362 mg/mL). Visual characterization of the extracts indicated that the extracts have different colour in each treatment, depending on the ratio of the solvent used.ABSTRAK Ekstrak dari Uncaria gambir mengandung senyawa fenolik katekin yang berfungsi sebagai antioksidan. Kandungannya pada hasil ekstrak bergantung pada kondisi ekstraksi yang digunakan. Untuk mendapatkan kondisi ekstraksi terbaik senyawa fenolik dari gambir dengan aktivitas antioksidan yang tinggi dilakukan proses optimasi menggunakan metode permukaan respon (RSM) pada tiga variabel yaitu rasio pelarut, rasio sampel dengan pelarut dan lama ekstraksi dengan respons aktivitas antioksidan terhadap antiradikal DPPH (IC50). Hasil optimasi menunjukkan persamaan kuadrat polinomial regresi yaitu Y = 137,25 + 5,18 (Rpelarut) + 24,75 (Rsampel) + 11,53 (Lamaeks) + 6,17 (Rpelarut x sampel) + 3,14 (Rpelarut x lamaeks) + 13,79 (Rsampel x lamaeks) - 5,44 (Rpelarut2) - 15,33 (Rsampel2) - 5,42 (Lamaeks2). Kondisi optimum dicapai pada rasio etil asetat dengan etanol  0,37:0,55, rasio sampel dengan pelarut 1:2 dan lama ekstraksi 20 jam. Hasil validasi menunjukkan nilai prediksi (IC50 = 82.89 mg/ml) dari model tidak berbeda signifikan dengan nilai hasil validasi (IC50= 82,735 ± 0,362 mg/ml). Karakteristik produk hasil ekstraksi secara visual menunjukkan warna yang berbeda dari setiap perlakuan dan tergantung dari rasio pelarut yang digunakan.
Penentuan Teknologi Proses Pembuatan Gambir Murni dan Katekin Terstandar dari Gambir Asalan Gustri Yeni; Khaswar Syamsu; Etik Mardliyati; Hendri Muchtar
Jurnal Litbang Industri Vol 7, No 1 (2017)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v7i1.2846.1-10

Abstract

Uncaria gambir Roxb. is an industrial crop commodity that has a high economic value and good prospect for farmers and exporter. Gambier of traditional processed products (raw gambier) generally have various catechin content, so it is required further handling to increase the purity of catechins from raw gambier. The research was aimed to get a process technology on the making of pure gambier and standardized catechins. Sources of raw materials was obtained from extraction process through steaming leaves and twigs of gambier (KA) using equipment from aluminum (RA) and from iron (RF). Purification of raw gambier through repeated extraction with water could decrease tannin content from 24% to 2.4% and increase catechin levels between 40% to 74%. Gambier with a low tannin content (catechin KA) through re-extraction using water had the highest increase of catechin content with a color of yellowish white product. The iron-containing equipment affected the color of the pure gambier produced, which was reddish-brown. The effect of solvent on further extraction using ethyl acetate solvent resulted in higher catechin content (up to 99%) compare to ethanol (95%). The catechin purity of KA samples was tested by looking at its stability at varying levels of acidity, showing catechins of gambier was stabile at pH 6.ABSTRAK Uncaria gambir Roxb. merupakan komoditas tanaman industri yang memiliki nilai ekonomi tinggi serta mempunyai prospek cukup baik bagi petani dan pemasok negara-negara asing. Gambir hasil olahan tradisional (gambir asalan), umumnya memiliki kandungan katekin yang beragam, sehingga diperlukan penanganan lebih lanjut untuk meningkatkan kemurnian katekin dari gambir asalan. Tujuan penelitian adalah untuk mendapatkan teknologi proses pembuatan gambir murni dan katekin terstandar. Sumber bahan baku diperoleh dari proses ekstraksi melalui pengukusan daun dan ranting tanaman gambir (KA) menggunakan peralatan dari aluminium (RA) dan dari besi (RF). Pemurnian gambir asalan melalui ekstraksi berulang dengan air dapat menurunkan kadar tanin, yaitu dari 24% sampai 2,4% dan meningkatkan kadar katekin, yaitu antara 40% sampai 74%. Gambir dengan kandungan tanin rendah (katekin KA) melalui ekstraksi ulang menggunakan air memiliki peningkatan kadar katekin tertinggi dengan warna produk putih kekuningan. Peralatan mengandung besi berpengaruh terhadap warna dari gambir murni yang dihasilkan, yaitu berwarna coklat kemerahan. Pengaruh pelarut terhadap ekstraksi lanjut menggunakan pelarut etil asetat menghasilkan kadar katekin lebih tinggi (sampai 98%) dibandingkan etanol (95%). Kemurnian katekin sampel KA diuji dengan melihat stabilitasnya pada berbagai tingkat keasaman, menunjukkan katekin dari gambir stabil pada pH 6.
Isolasi Identifikasi Bakteri Penghasil Xilanase serta Karakterisasi Enzimnya Nur Richana; Tun T. Irawadi; Anwar Nur; Khaswar Syamsu
Jurnal AgroBiogen Vol 4, No 1 (2008): April
Publisher : Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumber Daya Genetik Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jbio.v4n1.2008.p24-34

Abstract

Xylanase is an extracellular enzyme produced bymicroorganisms. This enzyme is able to hydrolise xylane(hemicellulose) to produce xylooligosaccharide and xylose.Thermoalkaliphilic xylanase is an agent that can be used asa substitute in the pulp whitening process instead of chlorine.A study was done to isolate, identificate of bacteria andcharacterize xylanase. The isolation of xylanase producingbacteria has been done from soil and waste of starch industry.Colonies which produced clearing zone were presumedas xylanolytic bacteria and chosen for further screening.Identification of potential isolate in xylanase production wasdone using 16S ribosomal RNA sequencing. Isolate Bacilluspumilus RXA-III5 originated from lime or alkaline soil wasmore potential isolate in xylanase production than other 24isolates. Precipitation of xylanase, that was done usingammonium sulphate followed by dialyzes produced xylanaseof a higher specific activity (267.1 U.mg-1) than that usingacetone (131.1 U.mg-1) and ethanol (186.65 U.mg-1). Xylanasewas done at purification produced three fractions of xylanase.Xylanase characteristics consist of pH and temperature(9 and 50oC), Km and Vmaks value 6 mg.ml-1 and 0.2mol.minute-1, respectively. The Fe2+ was the strongest activetorand Mg2+ was the strongest inhibitor activity. This enzymewas detected as a cellulose-free xylanase. Xylanase is aprospective agent for bio-bleaching of paper.
Ekstraksi Xilan dari Tongkol Jagung Nur Richana; Tun Tedja Irawadi; M. Anwar Nur; Illah Sailah; Khaswar Syamsu; Yandra Arkenan
Jurnal Penelitian Pascapanen Pertanian Vol 4, No 1 (2007): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v4n1.2007.38-43

Abstract

Tongkol jagung merupakan limbah jagung terbesar (45%) yang mengandung xilan sekitar 12% dan belum banyak dimanfaatkan. Tongkol jagung mempunyai prospek untuk bahan baku industri xilan, yang merupakan bahan baku industri furfural, gula xilitol, dan bahan baku untuk media pertumbuhan bakteri xilanase. Penelitian ini bertujuan untuk mendapatkan metode ekatraksi xilan dari tongkol jagung dan karakterisasi xilan yang dihasilkan. Ekstraksi xilan dari tongkol jagung dilakukan dengan dua tahap yaitu proses delignifikasi menggunakan NaOCl (0,5; 1,0; 2,5; 5 dan 7,5%) kemudian pengendapan xilan dengan perlakuan rasio supernatan dan etanol 1:1; 1:2; 1:3; dan 1:4. Ekstrak xilan selanjutnya diuji kelarutan pada pelarut organik, asam, alkali, air panas dan dingin. Analisis kualitatif dan kuantitatif xilan dilakukan dengan Khromatografi Cair Kinerja Tinggi . Hasi l penelit ian menunjukkan kombinasi perlakuan konsentrasi NaOCl 0,5% dan perbandingan supernatan:etanol 1:3 (v/v), menghasilkan rendemen xilan tertinggi (12,95%). Analisis dengan Khromatografi Cair Kinerja Tinggi menghasilkan khromatogram xilan dengan kemurnian 97,47%. Xilan yang dihasilkan sangat larut dalam alkali (NaOH 1%), larut dalam air panas dan dingin.Extraction Of Xylan From Corn CobCorn cob is the biggest part of corn waste (45%) which contain about 12% xylan which has not been utilized. Corn cob can be used as raw material of production of xylan. Xylan is the raw material for furfural, xylitol industry, and growth medium for microorganism producing xylanase.The objectives of this research was to find out the method of extracting the xylan, and characterization of xylan produced. The extraction procedure were done in two steps, firstly delignification using NaOCI (0.5; 1.0; 2.5; 5 and 7.5%) and then precipitation using ethanol with the ratio of ethanol and supernatant (I: I; 1:2; 1:3; and 1:4). The solubility of xylan produced in organicsolvent, acid, alkaline solvent and in cold and hot water was observed. Quantitative and qualitative analysis of xylan were done using High Performance Liquid Chromatography. The research result showed that the highest yield (12.95%) whith purity (97.47%) was produced by 0.5% NaOCI and 1 : 3 ratio of ethanol and supernathant combination treatment. The highest solubility of xylan was in alkaline solvent (NaOH 1%), and soluble in hot and cool water.
The Process of Xylanase Production from Bacillus pumilus RXAIII-5 NUR RICHANA; TUN TEDJA IRAWADI; M. ANWAR NUR; ILLAH SAILAH; KHASWAR SYAMSU
Microbiology Indonesia Vol. 1 No. 2 (2007): August 2007
Publisher : Indonesian Society for microbiology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.944 KB) | DOI: 10.5454/mi.1.2.6

Abstract

The optimum conditions for the growth of Bacillus pumilus RXAIII-5 (a potential xylanase producer) were sought, these included temperature, pH, aeration, and agitation of the culture batch. Afterwards a mathematical model based on the parameter of cultivation kinetics was formulated. At the same time, the rheology of the fluid used for bacterial cultivation in a bioreactor was studied. The data obtained was used for estimating the ‘scaling up’ of enzyme production. The results of the study indicate that the optimum condition for processing in 50 ml Erlenmeyer flask are used temperature of 35 oC (308oK), pH 7, and an agitation rate of 140 rpm. The highest xylanase activity and its specific activity are 297.132 U.ml-1 and 655.32 U.g-1protein, respectively. Subsequent experiments in a bioreactor using all of the experiment parameters mentioned above, except for the agitation rate, shows that the results are as follows. The highest specific growth was at 0.082 hour-1 at an aeration and agitation rate of 0.5 vvm and 150 rpm, respectively. Based on the data of the cultivation kinetics, the optimum conditions for the fermentation in Biostat 2L-bioreactor is 1 vvm and 200 rpm of aeration and agitation, respectively . The efficiency of substrate (Yp/s) and of cell biomass (Yp/x) to produce xylanase is 50.744 U.g-1 and 43.906 U.g-1, respectively. The efficiency of substrate to cell production (Yx/s) is 1.178g.g-1. The liquid cultivation-medium has non-Newtonian properties. Based on a mathematical model it is found that the consistency index (k constant) and index of liquid behavior (n value) are 0.179 g.cm-1.second-1 and 0.3212, respectively. Becouse the value of 0
Co-Authors . Gunawan . Gunawan A. Aziz Darwis A. Herryandie Abdul Aziz Darwis Adhi Kusnadi Adhi Kusnadi Akhmad Endang Zainal Hasan Anas Miftah Fauzi Anggun Rahman Rahman Ani Suryani Ani Suryani Aninda Sekar ZAHRA Anwar Nur Anwar Nur Ardani Lukman ASEP RISWOKO ASTUTIATI NURHASANAH Bambang Prasetya Bambang Prasetya Bambang Prasetya Bambang Prasetya Bustomi - Bustomi Darwis, Abdul Aziz Dede Rais Diana Dewi Diana Dewi, Diana Diana Nurani Djumali Mangunwidjaja Djumali Mangunwidjaja Djumali Mangunwidjaja Dwi - Susilaningsih Dwi Purnomo Dwi Purnomo Dwi Setyaningsih DYAH NOOR HIDAYATI Dyah Noor Hidayati E. Gumbira Sa’id E. Gumbira-Sa’id E. Mardliyati Elisa Julianti Endang Gumbira Said Endang Warsiki Endang Warsiki dan Citra Dewi Wahyono Putri (E-Jurnal Agro-Industri Indonesia) Eni Dwi Islamiati Eni Dwi Islamiati Eni Dwi Islamiati, Eni Dwi Erwahyuni E Prabandani ERWAHYUNI ENDANG PRABANDARI ERWAHYUNI ENDANG PRABANDARI Erwahyuni Prabandari Erwahyuni Prabandari, Erwahyuni Essa Annisa Syadiah Etik Mardliyati Etik Mardliyati Etik Mardliyati, Etik Etty Riani FARAH FAHMA FENTRI PARAMITHA PUTRI Fitriani Kasim Gamma Irca Pradikta Griselda Happy Ramadhani Gumbira-Sa'id, E Gustri Yeni Gustri Yeni Han Roliadi Hanifah FUADI Hanny Hafiar Hendri Muchtar Hendri Muchtar, Hendri Herastuti Sri I Nyoman Jaya Wistara Iftachul Farida Ika Amalia Kartika Ike Sitoresmi M Purbowati Illah Sailah Irawadi Jamaran Irvan Setiadi Kartawiria IS HELIANTI Isroi Isroi Isroi Jayawarsa, A.A. Ketut Joko Santoso Kasid, Sri Kaidah Lanjar Sumarno Lanjar Sumarno Lestari, Puji Liesbetini Haditjaroko Liesbetini Hartoto Lucky Risanto M Irfani ABDULLAH M. ANWAR NUR M. Daud Mala Nurilmala Manalu, Lamhot Mardliyati, Etik Muhammad Arif Darmawan Muhammad Daud Muhammad Rasyid RAMADHAN Muhammad Tasrif Muhammad Tasrif Mulyorini Rahayuningsih Murdiyatmo, Untung Muslich Muslich, Muslich N. A. Evalia Nabilah, Siti Nadia STEPANI Nastiti Siswi Indrasti nFN Misgiyarta NIKNIK NURHAYATI Ninik Purbosari Nur Atifah Nur Richana Nurika Asih SETIYANI Nusaibah - Nusaibah Prayoga SURYADARMA Ridwansyah Ridwansyah Rini Purnawati Rofiq Sunaryanto Rofiq Sunaryanto S Heris Anita S Joni Munarso Sa’id, E. Gumbira Sapta Raharja Sarifah Nurjanah Selvia Mahilda RIDHOHA Shinta PERMATASARI Siti Nabilah Sony Hartono Wijaya Sony Hartono Wijaya Sudirman Sudirman Suharyanto Suprihatin Suprihatin Surono SURONO Tajuddin Bantacut Taufik Hidayat Titi Candra Sunarti Tri Panji Tun T. Irawadi Tun Tedja Irawadi Tun Tedja Irawadi Wahono Sumaryono Wasrin Safii Wasrin Syafii Widya Fatriasari Widya FATRIASARI Widya Fatriasari Yandra Arkeman Yandra Arkeman Yandra Arkenan Yeni, Gustri Yeni, Gustri