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Fajar Restuhadi

Fakultas Pertanian Universitas Riau Pekanbaru

Author-ID : 359693

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EVALUASI MUTU DAN DAYA SIMPAN ROTI MANIS YANG DIBUAT MELALUI SUBSTITUSI TEPUNG TERIGU DENGAN PATI SAGU DAN MOCAF Usman Pato; Fajar Restuhadi; Akhyar Ali; Rahmawati Ulfah; Mukmin '
Jurnal Sagu Vol 11, No 1 (2012)
Publisher : Universitas Riau

Sago starch has been long used as a staple food for making traditional foods such askapurung, pepeda, sagu bakar etc. especially for people living in the eastern part of Indonesia.Nowadays there is also a novel flour called Mocaf (Modified cassava flour) made from cassava. Thepurpose of the present study was to find out the best formulation in production of sweet bread madefrom wheat flour substituted with sago starch and Mocaf. The research was done by using CompletelyRandomized Design with six treatments. Parameters observed were contents of moisture, ash, andstarch as well as leavening power of dough, gelatinous filament, self life and organoleptic assessmentof sweet bread. The data obtained were analyzed by ANOVA and was continued with DNMRT test at5% level. Meanwhile the organoleptic data were analyzed by Friedman Test and data of gelatinousfilament, flavor and rancidity were presented by descriptive analysis. Results showed that substitutionof sago starch and mocaf significantly affected the contents of moisture, ash and starch as well asleavening power of dough, however they did not influence the organoleptic assessment of sweet bread.The treatment of TSM3 was the best substitution formula which produced sweet bread that meets theIndonesian quality standard of sweet bread (SNI 01-3840-1995). The self life of sweet bread in thetreatment TSM3 (wheat flour 70%, 15% sago starch and 15% mocaf) and commercial sweet breadwas the same.

HUBUNGAN ANTARA KADAR ETANOL, KADAR GULA REDUKSI DAN JUMLAH SEL DALAM PRODUKSI BIOETANOL DARI FERMENTASI AIR KELAPA DENGAN PENAMBAHAN PUPUK NPK OKTANIYA OKTANIYA; FAJAR RESTUHADI; RAHMAYUNI RAHMAYUNI
Jurnal Sagu Vol 16, No 1 (2017)
Publisher : Universitas Riau

Bioethanol is an energy source that can be obtained from the fermentation of plant material. This bioethanolproduction utilizes coconut water as a fermentation medium thickened. The purpose of this study was todetermine the concentration of NPK fertilizer in the manufacture of bioethanol from coconut water bySaccharomyces cerevisiae. This study with increasing the varying NPK fertilizer concentrations of this studyconducted an experiment with four treatments and measurement in duplicate. Concentration of NPK fertilizerwere N1 (0%), N2 (1%), N3 (2%) and N4 (3%). Observations were made every 24 hours; include ethanolcontent, sugar content, pH, and the number of cells. Data were analyzed descriptively by using a tabulationand graphs. The best treatment was a combination of N4 (NPK fertilizer 3%), which produces the largestethanol 9.50%.

ANALISIS TINGKAT KESUKAAN KONSUMEN TERHADAP NUGGET BELUT (Monopterus albus) DENGAN PENAMBAHAN TAPIOKA DAN PATI SAGU BUNGA RIA YULIANA SIAHAAN; FAJAR RESTUHADI; EVY ROSSI
Jurnal Sagu Vol 15, No 1 (2016)
Publisher : Universitas Riau

This research was carried out for to see the addition of tapioca and sago starch nutrient content nuggetaccording to SNI 01-6683-2002 and see the characteristics of sensory attributes preferred by consumers andget the best position for five products nugget from the consumer side. This study was conducted experimentswith five treatments and three replications. The combination of these treatments is TSB1 (15% tapioca, sago0%), TSB2 (10% tapioca, sago 5%), TSB3 (7,5% tapioca, sago 7,5%), TSB4 (5% tapioca, sago 10 %) andTSB5 (0% tapioca, sago 15%). Sensory analysis was performed hedonic test (consumer acceptance) anddescriptive test. The addition of tapioca and sago starch in the manufacture nugget eel meet the qualityrequirements contained in SNI 01-6683-2002 as the water content is 36,76-38,49%; protein 13,54-13,98%fat and 16,93-17,38%. However, the carbohydrate content has not fulfilled SNI namely 28,64-30,20% andash content was obtained 1,95-2,12% of unknown quality standard in SNI 01-6683-2002. The level ofconsumer preferences towards nuggets eel preferred by preference mapping is treated TSB1 (tapioca 15%;sago 0%) and TSB2 (tapioca 10%; sago 5%) with the quality attributes of texture (hardness), taste pepper,brown color and flavor sweet nuggets while most preferred is the treatment TSB3 (tapioca 7,5%; sago 7,5%)with the quality attributes onion aroma, the smell of garlic, pepper aroma, the scent of fish, fish flavor, garlicflavor and taste of onion.

KINETIKA PERTUMBUHAN SELULOSA MIKROBIAL TERHADAP PEMBUATAN NATA DE PINA DENGAN PENAMBAHAN SUKROSA Tika Fadilah; Fajar Restuhadi; Usman Pato
Jurnal Sagu Vol 20, No 2 (2021)
Publisher : Universitas Riau

Produk nata yang berasal dari kulit nanas dikenal dengan nata de pina. Pertumbuhan mikroba secara kuantitatif dengan studi kinetika fermentasi berguna untuk mengetahui pertumbuhan selulosa dengan kecepatan maksimum (Vmaks) dan tetapan Michaelis-Menten (KM). Penelitian ini bertujuan untuk menentukan konsentrasi sukrosa yang optimum terhadap produksi, rendemen, dan nilai kecepatan maksimum (Vmaks) serta tetapan Michaelis-Menten (KM) pada selulosa mikrobial yang dihasilkan. Penelitian ini dilakukan secara eksperimen menggunakan rancangan acak lengkap dengan empat perlakuan dan empat ulangan sehingga diperoleh 16 unit percobaan. Perlakuan dalam penelitian ini adalah S1 (sukrosa 1%), S2 (sukrosa 3%), S3 (sukrosa 6%), dan S4 (sukrosa 9%). Data yang diperoleh dianalisis dengan analisis sidik ragam (ANOVA). Jika Fhitung ≥ dari Ftabel maka akan dilanjutkan dengan uji DMRT pada taraf 5%. Hasil sidik ragam menunjukkan bahwa penambahan sukrosa dengan berbagai konsentrasi berpengaruh nyata terhadap ketebalan nata, berat basah nata, berat kering nata, rendemen, namun tidak berpengaruh nyata terhadap kadar gula total. Konsentrasi sukrosa yang optimum pada penelitian ini adalah perlakuan S3 (sukrosa 6%) yang memiliki ketebalan nata 0,81 cm, berat basah nata 15,92 g, berat kering nata 12,92 g, rendemen 3,32%, dan kadar gula totalnya 7,04%. Nilai Vmaks yang didapatkan adalah 1,4708 µM/mL menit dan nilai KM 3,7341 µM

RANCANG BANGUN ROTARY DRUM BIOREACTOR UNTUK PRODUKSI MICROBIAL CELLULOSE HARUN SIANTURI; FAJAR RESTUHADI; EVY ROSSI
Jurnal Sagu Vol 15, No 2 (2016)
Publisher : Universitas Riau

Microbial cellulose is the result of bacterial metabolism of Acetobacter xylinum in a liquid medium used. Togrow and produce optimal microbial cellulose, Acetobacter xylinum bacteria requires oxygen for metabolismof glucose. Several studies conducted to obtain optimal results as a static method, RDR, bioreactor dye andspin reactor still has weakness in the tools design. To overcome this weakness a new tool called Rotary DrumBioreactor (RDB) has been created. The design of Rotary Drum Bioreactor particularly aimed to overcomethe weaknesses of the previous studies and to determine the best treatment using RDB in better producing ofmicrobial cellulose. The study started on the selection tools and materials that will be used in designing theRDB tools, then proceed to design the tools to be able to work with four tools simultaneously that havedifferent speeds in each fermentor including 2, 4,6 and 8 rpm, as the treatment with three replications anduntreated comparison is static fermentation. The third phase was testing tools in producing microbialcellulose and then the data were analyzed statistically using analysis of variance followed by further test ofDuncan’s New Multiple Range Test (DNMRT) at 5% level. The analysis showed that the speed of 2 rpm for 6days of fermentation gave the best results including 95.02% moisture content, wet weight of 0.62 gr/ cm2 andyield 9.92%.

OPTIMASI PRODUKSI MICROBIAL-CELLULOSE DALAM BIOREAKTOR DRUM BERPUTAR (Rotary Drum Bioreactor) PARLUHUTAN PARLUHUTAN; FAJAR RESTUHADI; NOVIAR HARUN
Jurnal Sagu Vol 15, No 2 (2016)
Publisher : Universitas Riau

The purpose of this study is to design an innovative bioreactors drum that potentially obtain the maximum ofmicrobial cellulose and to determine the drum rotation on contact time of Acetobacter xylinum with nutrientsand air by slowly rotation. The tools designed on 5,10, 15, 20, and 25 rpm to obtain the best optimization ofmicrobial cellulose by comparing with a static culture. The best result of descriptive analysis andexperimentation ware at a speed of 5 rpm with wet weight of 981 gr, dry weight 68,86 gr, the thickness 5,31mm, 44,42% of yield, 92,89% of water content, total of sugars before fermented was 13.66% and after fermentedfor 5 days is 6,69%, with the percentage of reduction of 6,67% sugar synthesized by Acetobacterxylinum cell.

KAJIAN PEMANFAATAN BIOMASSA LIMBAH INDUSTRI MINYAK PICUNG (Pangium Edule Reinw) UNTUK BIOBRIKET SUMBER ENERGI ALTERNATIF DI DESA PULAU PICUNG, KAMPAR Akhyar Ali; Dewi Fortuna Ayu; Fajar Restuhadi
Jurnal Sagu Vol 11, No 1 (2012)
Publisher : Universitas Riau

Seed of picung (Pangium edule Reinw) contains 70 % kernel (weight) and 40 % husk (weight). Itsnucleus’s seeds contain 21-27 % oils that can be extracted. More than its 70 % component is an oil cake.The huge amount of oil cake can be used as a solid fuel such as Biomass Briket (Baiobriket). Biobriket hasweight 23,046 gram,long 3,469 cm, wide 2,804 cm and high 2,277 cm. Biobriket picung is produced bymanual process inlet dry materials that is pushed and pressed by hydroulic press. The pressing processproduces solid materials that will be piece into specific size. Picung oil cakes have a weakness as a solidfuel. It has no high heating value and its physic characteristic that has low binder. To increasing heatingvalue, glycerol is added. Because glycerol has a heating value equal to 1353 kcal/ kg. Glycerol can beused as an alternative heating resource. Binding problems can be solved by adding tapioca. Optimumadding of tapioca is not more than 5%. The final step of this research is found the comparison of qualitybetween optimal biobriket picung oil cake. This research used central composit design. The first factorwas quantity of glycerol (X1) and the second factor was quantity of tapioca (X2). Picung oil cake usedwas 200 gram. First factor’s range was between 1 – 5,5 % weight of oil seed or at 1,76-9,69 ml (densityglycerol was 1,13 g/ml). The seconds factor range was 1 – 5 % weight of oil cake or at 2-10 gram.Optimation response used was heating value (Y). Analysis with response surface method shows thataddition of glycerol had a positive influence to the heating value of biobriket with desirability 94 %. Theoptimum value for heating calor biobriket was 6243,62 kcal/kg.

PEMANFAATAN SIMBIOSIS MIKROALGA Chlorella sp DAN AGROBOST UNTUK MENURUNKAN KADAR POLUTAN LIMBAH CAIR SAGU FADLA B. SYARIF; FAJAR RESTUHADI; YELMIRA ZALFIATRI
Jurnal Sagu Vol 18, No 1 (2019)
Publisher : Universitas Riau

The purpose of this research was to get the best treatment addition of Agrobost microorganisms as a reducingagent of pollutant from sago liquid waste with the addition of microalgae Chlorella sp. This research used aCompletely Randomized Design (CRD) with 5 treatments and 3 replications. The treatments in this additionwas microalgae Chlorella sp. as much 800 ml/L (6.292.000 cell/ml) of sago liquid waste with some variousconcentrations of Agrobost (0% v/v, 1% v/v, 2% v/v, 3% v/v, dan 4% v/v). The data obtained were analyzedstatistically using ANOVA and DNMRT at 5 % level. The result showed that the addition of Agrobostmicroorganisms significantly affected COD, BOD, TSS, nitrate, phosphate, DO and pH of sago liquid waste.The chosen treatment from the result of this research was the P2 treatment showing the best level of reductionof COD 88,65%, BOD of 91,41%, TSS of 63,96% and the increase in the pH of 92,50%, DO of 56,51%.

OPTIMASI PEMBUATAN BIOPELLETS DARI BUNGLCII PICUNG ( PANGIUM EDULE REINW) DENGAN PENAMBALIAN SOLAR DAN PERELCATTAPIOLIA Akhyarali '; Fajar Restuhadi
Jurnal Sagu Vol 9, No 01 (2010)
Publisher : Universitas Riau

Picung seeds {Pangium edule Reinw; contain 70% kernel (ireight) and 40% Imsk (weight). Itsnucleus seeds contain 21-27% oib that can be extracted. More than iia 70% cmqionait is oil cake. The hugeamount of oil cake can be used as a solid fuel sucb as biopellets. Picung biopelleis are produced by usinghydraulic press hi the form of solid pieces with a specific size. Picung oil cakes need to be unifDnidy distributedas a soUd piece. Therefore, it needs to be bound and unified as a solid piece. Bhiding problems can be solvedby adding tapkxs. Optunum addition of tapioca is not more than 5%. However, adding tapioca wiU reduce theburning caloric properties of the bio-pellets. To increaM the caloric properties, diesel-oil can be added,because diesel oil has high caloric value equal to 7020 kcaVkg. Thefinalstep of this research was to optimizethe composition of tapioca and bio-diesel blends to produce the bio-pellets which satisfies the IndonesianNational Standard (SNI) with the highest caloric value. The cntral composit des^ w » used ftr the experiment.Thefirstfactor (X,) was quantity of solar (ml) and the second factor (X,) was quantity of tapioai (gran^. Firstfactor's range were between 1 to 53 % (l/w) diesel oil over picung cake or 2,<i9-17,33 ml diesel oH. Thesecond factor range was I to 5 % (w/w) diesel oil over picung cake. Optimization response used b heatingcaloric value of the bk>-pellcts (Y). Analysis with response surface method shows that bio-diesel addition haspositive influence to the heating caloric value of biopellets with desirability of0,840. The optimum value forheating calor biopellets is 6117,78 kril/kg.

PENGARUH PENAMBAHAN SUSU SKIM DALAM PEMBUATAN MINUMAN PROBIOTIK SUSU JAGUNG (Zea mays L.) MENGGUNAKAN KULTUR Lactobacillus acidophilus FADRO '; RASWEN EFENDI '; FAJAR RESTUHADI '
Jurnal Sagu Vol 14, No 2 (2015)
Publisher : Universitas Riau

ABSTRACTCorn milk is a local food that can be made to probiotic drink. Probiotic drink is a functional food that isprocessed through a fermentation. The production of corn milk probiotic drink using lactic acid bacteria(LAB). Lactic acid bacteria (LAB) requires nutrients for its growth. This research using skim milk as a sourceof nutrients for the lactic acid bacteria (LAB). The purpose of this research is to obtain the skim milkconcentration to produce best quality of corn milk probiotic drink. This research using a completelyrandomized design (CRD) with skim milk concentration (5 , 7, 9, 11 dan 13 % (w/v)). Analysis of variance(ANOVA) showed the skim milk concentration had a significant effect on the degree of acidity (pH), total oflactic acids, total of lactic acid bacteria (LAB), content of protein and total of solids. The best corn milkprobiotic drink is produced by addition of skim milk amount 7% (w/v), pH 4,88 , total of lactit acid 0,31%,total of lactic acid bacteria (LAB) 9.55 log CFU/ml, content of protein 2,12% and total of solids 18,42 %.Key words: lactic acid bacteria (LAB), skim milk and corn milk probiotic drink

Co-Authors ', AKHYAR ALI ', Akhyarali ', Eliza ', FADRO ', Mukmin ', Rahmayuni ' ', RASWEN EFENDI ', RIGUAN EPENDI ', RIKO PAMORI Abid, Hussein Rasool Adi Ruslan Agung Setiawan Framadya Agus Ika Putra Ahmad Fadli Ahmad Ibrahim Ahmad Ibrahim Roni Surya Hasibuan Ahmad Rifai Ahmad Rifai Ahmad Rifai Akhmad Ibrahim R. S. Hasibuan Akhyar Ali AKHYAR ALI ' Akhyarali ' Alexander Hutagaol Alfi Mawaddah Almira Nugroho Amun Amri Andri Gunawan Purba Andriani, Yulia Andriyani Fadmi Angelia Angelia Angga Pramana Angga Pramana Angraini, Elisya Anjelia, Yuni Annisa Rahma Ari Sandhyavitri Arifudin Arifudin Arifudin Arifudin Arifudin arifudin Ariyanda Putra Arvin Arvin Azhar, Muhammad Rizwan Beltaser Tuahta Benhard F Situmorang BUNGA RIA YULIANA SIAHAAN Carles Pernando Cepriadi Chairul ' Ciary Jannah Mangkay Conni Simarmata, Conni Dahliyusmanto, Dahliyusmanto Debby Anggina Dede putra pranata Delvi Andika Derita Lamtiar Pasaribu Desi Heltina Desy Tri Artika Devinda Desi Indra Murti Dewi Fortuna Ayu Dewi, Yossie Kharisma Dian Martha Darman Dian Martha Darman Didi Muwardi Dini Aji Pringgondani Diyah Suriani Djaimi Bakce Djaimi Bakce Djaimi Bakce Dodi Saputra Dodi Saputra Duafrizal Joycorleon Manik Edo Saputra Eka Ramadhansyah Eliza ' Eliza Eliza Elka Roza Elsa Novitasari Elsyintia Dwi Putri Eri Sayamar Erick Gunawan Bahar Et, Elfa Azani Evy Maharani Fadel Al Barra FADLA B. SYARIF FADRO ' Faizah ' Hamzah Faizah Hamzah Faizah Hamzah Fajar Yuliandri Febrianto, Wegi Eko Febrina Ayuningtyas Febrizal Ujang Fitri Santi Fitri, Mozhalita Desta Gervilon Darvis Gustrinazul Hadi , Syaiful Hamidi, Muhammad Rasyid Hamzah, Farida Hanum Hanifaturrahmi Hanifaturrahmi Hartini, Fitri HARUN SIANTURI Hendri Winardo Ikhsan, Muhammad Ikhsan Ilham Apandi Imam Hidayat Imam S. Dalimunthe, Imam S. Imanuel ' Sianipar Indra Budiman Indradewa, Rhian indriana, fitrisya Irwandi Jaswir Ismail Haridsyah Iva Ancewita Saragih Jayawarsa, A.A. Ketut Jonrio Canway Juliati Samosir Juliati Samosir Jumatri Yusri Jumatri Yusri Jumatri Yusri Yusri Jum’atri Yusri Kausar ' Kausar Kausar Khairunnisa Amanda Kurnia, Deby Kurnia, Deby Lela Natalia Lena Marjelita Lukmanasari, Putri M. Bayu Purwanto M. Rasyid Hamidi Manik, Marjohan ' Matius Teddy Ginting Megawati Megawati Meisela, Elsy ' Meki Herlon MITA SAPUTRI Monica Valentina Therescova Simbolon, Monica Valentina Therescova Muhammad Akbar Hasibuan Muhammad Luthfi Mukmin ' Mustaqim Mustaqim Nadia Novianti Tamba Ningsih, Arum Rovarti Novia Dewi Novia Dewi Novia Dewi Novian Novian, Novian Noviar Harun Novrianto ' Nuke Fatmasari Nuke Fatmasari Nuratika, Nuratika Nurfitasari, Mimi Nurwijayanti OKTANIYA OKTANIYA OKTANIYA, OKTANIYA Pangestu, Dio Ajie PARLUHUTAN PARLUHUTAN PARLUHUTAN, PARLUHUTAN Pasaribu, Jekson Pradita Arnandasari Prawiranegara, Barata Aditya Quan Paulus Giovan Rahmawati Ulfah Rahmayuni Rahmayuni Rahmayuni Rahmayuni, Rahmayuni Rano Raswen Efendi RASWEN EFENDI ' Ratih Ardia Sari Rezita Azizah Rici ' Mainaki Ricki Mustapa Ridanil Hanif Rifai, Ahmad Riftyan, Emma RIGUAN EPENDI ' Rika Afrianto RIKO PAMORI ' Rizki Ananda Rizky Zulhardi Rizza ' Novita Rosma, Iswadi Hasyim Rosnita Rosnita Rosnita Rosnita Rosnita Rosnita Rosnita Rossi, Evy Royyan Firdaus Roza Yulida Roza Yulida Roza Yulida Roza Yulida Ryan E Syahrial Sabam Mael Beri M Sadzvirani, Sastiana Sakti Hutabarat Santi Andriani Putri, Santi Andriani SAPUTRI, MITA Sari, Manja Sebayang, Aulia Shafira Septya, Fanny Shorea Khaswarina SIANTURI, HARUN Simatupang, Dewi SISPA PEBRIAN Soewignjo Agus Nugroho Sri Haryati Sugiono Sugiono Sujantara, Defri Aire Sukri Rizki Ilahi Syafrini Rizki Rahmah SYAIFUL BAHRI Syaiful Hadi Taufik Setiawan Taufiq Maulana Taufiq Maulana Tengku Dahril, Tengku Teresia, Yossi Tika Fadilah Tri Azrul Disyamto Turnip, Titus T Ulfa Rizki Pradini Ulfah, Fatia USMAN PATO Utama, Panca Setia Vina Octavia Vonny Setiaries Johan Wahyu Sartika Wasisso Tunggul Pawenang Winda Kusuma Dewi Wiranata, Leo Candra Yelmira ' Zalfiatri Yelmira Zalfiatri Yeni Kusumawaty Yulia Andriani Yulia Andriani Yulia Andriani, Yulia YULIANA SIAHAAN, BUNGA RIA Yuliandri, Fajar Yunita Ariani Zebua Yunita Ariani Zebua Yusmarini Yusmarini Yusri , Jum'atri Yusri, Jum'atri Zulhamid Ridho Zulhardi, Rizky Zulkifli

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