Adian Rindang
Program Studi Keteknikan Pertanian Fakultas Pertanian USU

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Food crops information systems in Kabupaten Karo (rice and pulses) Gunawan Simon Purba; Saipun Bahri Daulay; Adian Rindang; Riswanti Sigalingging
Jurnal Rekayasa Pangan dan Pertanian Vol 1, No 1 (2013): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Food crops information systems in Kabupaten Karo (rice and pulses), still manual/conventional and still less effective and in efficient. To overcome the inferiority, we need a system that can deliver the information in a timely and accurately. Information systems in food crops (rice and pulses) web-based solution that is right. Information systems web-based food commodities was containing information about the condition and potential of  food crops. The system was designed based on the  user needs using the PHP programming language, MySQL database and the web Apache web server using rapid application development (RAD), which was a very short development method with quick application technique
Test of Fruit Picker Tool on Different Types fruit trees Yuki Febrina Sirait; Saipul Bahri Daulay; Adian Rindang; Edi Susanto
Jurnal Rekayasa Pangan dan Pertanian Vol 1, No 1 (2013): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

This research is about fruit picker tool on different type of fruit trees. This research was conducted to test the fruit picker tool on various type of fruit trees i.e melinjo, tamarind and rambutan to determine the effective capacity of the tool, the percentage of defects and field capacity of the tool. The research was conducted in Tridharma, A. H. Nasution and Bunga Mawar Roads from February to August 2012 using non-factorial completely randomized design with melinjo, tamarind and rambutan trees. The parameters measured were the effective capacity of the tool, the percentage of defect and tool field capacity tool. The results Showed various types of fruit trees had highly significant effect on the effective capacity of the tool and the percentage of defect had no significant effect on the capacity of the field. The best result was on rambutan fruit i.e 30.54 kg h-1 with the percentage of defects of 7.3%.
Test of Different Mesh Size on The Quality of Coffee Bean in Multifucer Grinder Johanes Panggabean; Ainun Rohana; Adian Rindang; Edi Susanto
Jurnal Rekayasa Pangan dan Pertanian Vol 1, No 2 (2013): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

This research was aimed to test the effect of different mesh sizes on the quality of coffee beans in the multifucer grinder using roasted arabica and robusta coffee beans. The parameters measured were the effective capacity of the equipment, the percentage of material that passed the sieve, coffee powder moisture content, percentage of soluble coffee powder in water and organoleptic tests. The results showed that the best effective capacity was 35.56 kg/hour for the treatment of robusta coffee with 250 mesh sieve, the percentage of material that passed the sieved was 93.33% for Arabica coffee at 150 mesh sieve. The best coffee powder water content was 2.43% for Arabica coffee at treatment with 250 mesh sieve. The best percentage of soluble coffee powder was 33% at 250 mesh sieve. The best aroma was 3.9, which means that the aroma was very typical for treatment of 250 mesh sieve. The best taste was 3.46, which means the taste was typical for Arabica coffee at 250 mesh sieve. The quality of coffee powder produced from the grinding was in compliance with the quality standards of Indonesia. Key words: multifucer, sieve, mesh, robusta coffee, arabica coffee.
Design and Construction of Mechanical Equipment Coffee Roasters Rotary Type A Wawan Ginting; Achwil Putra Munir; Adian Rindang; Edi Susanto
Jurnal Rekayasa Pangan dan Pertanian Vol 1, No 2 (2013): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Roasting is an important step in the production of coffee powder, wherein the formation of aroma and distinctive flavor of coffee is determined at this stage. Of the national production of coffee beans, only 20% are processed and marketed in the form of secondary products such as roasted coffee, ground coffee and instant coffee. This study was plan to build a rotary mechanical device of coffee roasters. The study was conducted with literature study, experiment, observation and testing of the tool. The parameters measured were the effective capacity of the tool. The results showed that the effective capacity of the coffee roasters was 2.151 kg.hour-1. Key words: postharvest equipment, coffee, roasting, effective capacity.
Review Old Effect Study On Quality of Irrigation Water and Physical Properties Andosol Soil And Plant Growth Soybean (Glycine max) Siti Alfi Syahrin; Sumono Sumono; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 1, No 3 (2013): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Soybean plants were flooded for a long time will inhibit the growth and yield of soybean. For that, there should be proper drainage, in order to cope with flooding due to decreased plant productivity. This study aimed to assess the effect of long inundation on the growth of soybean plants using Andosol soil. Measure variable is water quality, physical properties soil and soybean production. The results indicate that water quality parameters waterlogged conditions 3 days whereas the dissolved oxygen, in the affect the physical properties of soil is the pH of the soil, with soybean production (2 plants / pot) 96 pods. On the waterlogged conditions until wilted/dead water quality parameters  affect the dissolved oxygen and pH of the water, in the affect the physical properties of soil is the pH of the soil, with soybean production 36 pods. On the condition of field capacity water quality parameters and physical properties of soil in accordance with the terms optimal growth of soybean plants, with soybean production 241 pods. Keywords: water quality, soil physical properties of Andosol, the growth of soybean plants
Waste Oil Processing to Soap Bar With Extract of Turmeric, Aloe vera , and Papaya Julianto Wijaya; Ainun Rohana; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 4 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Waste Oil is the remains of frying oil that can not be reused. Therefore further processing is needed, one of them is being bar soap. The study was aimed to use waste oil into bar soap with extract of turmeric, aloe vera and papaya. The study was conducted at the Laboratory of Agricultural Engineering and Analysis of was done in Food Chemical Analysis Laboratorium Faculty of Agricultural in May 2014 to July 2014  by using a non-factorial completely randomized design. Parameters measured were water content, free fatty acid(FFA), alcohol insoluble part, and organoleptic test. The results show that turmeric, aloe vera, and papaya extract had no significant effect on water content, free fatty acid(FFA) and alcohol insoluble part. Keywords: Aloe vera, bar soap ,papaya, turmeric, waste oil
KARAKTERISTIK KERTAS BERBAHAN BAKU AMPAS TEBU DAN SAMPAH KERTAS (Characteristics of Paper From Sugar Cane Biomass and Waste Paper) Adita Vitaloka; Ainun Rohanah; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 5, No 1 (2017): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

ABSTRACT Medan produce many sugarcane biomass everyday. To reduce environment contamination caused by sugarcane biomass, a countermeasures is needed, one of them is making recycle paper from sugarcane biomass and waste paper. The research was aimed to find the characteristics of paper based on sugarcane biomass and waste paper use with difference NaOH concentration. The research used randomized block design with sugarcane biomass concentration (0%, 50%, and 100%). Parameters measured were grammage, tensile and tearing strength. The resulting paper can be categorized as an art paper and the optimum condition to achieve best quality paper prepared from concentration of 100% pulp with grammage of 0,1456 g/m2, tensile strength of  0,1641 Mpa, and tear strength of  4,6888 N/mm. Keywords : sugarcane biomass, waste paper, pulp composition, paper. ABSTRAK Kota Medan menghasilkan banyak limbah ampas tebu setiap harinya. Untuk mengurangi pencemaran lingkungan oleh ampas tebu tersebut maka dibutuhkan usaha untuk menanggulanginya, salah satunya dengan pembuatan kertas daur ulang dengan bahan baku ampas tebu dan sampah kertas. Penelitian ini bertujuan untuk mempelajari karakteristik kertas yang dibuat dari pulp ampas tebu dan pulp sampah kertas.Penelitian ini menggunakan rancangan acak lengkap faktorial yaitu komposisi ampas tebu (0%, 50% dan 100%).Parameter yang diamati gramatur, kekuatan tarik dan ketahanan sobek.Hasil penelitian ini menunjukkan bahwa konsentrasi NaOH tidak berpengaruh nyata. Kertas yang  dihasilkan dapat dikatagorikan sebagai kertas seni dengan hasil terbaik diperoleh pada konsentrasi kertas 100% (200 gr sampah kertas) dengan gramatur sebesar 0,1456 g/m2, kekuatan tarik sebesar 0,1641Mpa dan nilai ketahanan sobek sebesar 4,6888 N/mm.   Kata kunci : ampas tebu, sampah kertas, komposisi pulp, kertas
UJI BERBAGAI KOMODITAS PERTANIAN MENGGUNAKAN ALAT PENGIRIS KENTANG MEKANIS TIPE SPIRAL (Various Agricultural Commodities Test Using Mechanically Spiral Potato Slicer) Desmon Putra Sianturi; Ainun Rohanah; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 5, No 1 (2017): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

ABSTRACT Post-harvest processing is useful to increase the production of agricultural produce into products which have a higher economic value compare to before processing. This study was aimed to calculate the effective capacity of the tool, uncut the material, the material that left in the appliance, and organoleptic value of chips produced by mechanical spiral slicer from some agricultural commodities, namely potatoes, cassava, yams and taro. Parameter observed were the effective capacity of the tool, the uncut material, the material that was left in the device, and organoleptic test. The results showed that the four commodities, had no significant  effect on the effective capacity of the tools and tools and organoleptic values ( crispness and aroma) but the four commodities had significant effect on the material cut, the left material and value of organoleptic taste. Key words: potato, cassava, yams, taro. ABSTRAK   Pengolahan pasca panen berguna untuk meningkatkan produksi pengolahan hasil pertanian menjadi produk  olahan yang memiliki nilai ekonomis yang lebih tinggi dibandingkan dengan sebelum dilakukan pengolahan. Penelitian ini bertujuan untuk menghitung kapasitas efektif alat, bahan yang tidak teriris, bahan yang tertinggal di dalam alat, dan nilai organoleptik keripik yang di  hasilkan alat pengiris spiral mekanis pada beberapa komoditas pertanian yaitu kentang, singkong , ubi rambat dan talas. Parameter yang diamati adalah kapasitas efektif alat, bahan yang tidak teriris, bahan yang tertinggal di dalam alat, dan uji organoleptik. Hasil penelitian menunjukan bahwa keempat bahan memberikan pengaruh yang tidak nyata terhadap kapasitas efektif alat dan nilai organoleptik  kerenyahan dan organoleptik aroma namun  Perlakuan keempat bahan memberikan pengaruh yang sangat nyata terhadap bahan yang tidak teriris, bahan yang tertinggal di alat dan nilai organoleptik rasa.   Kata kunci : kentang, singkong, ubi rambat, talas.
UJI KOMPOSISI BAHAN BAKU TERASI DENGAN MENGGUNAKAN ALAT PENCETAK TERASI (Shrimp Paste Composition Test Using Shrimp Paste Molder) Suwandi Suwandi; Ainun Rohanah; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 5, No 1 (2017): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

ABSTRACT Shrimp paste is one kind of fermented fish or shrimp that only have salting treatment and then left for several days in order to allow fermentation process happened. This research was purposed to test the composition of shrimp paste using shrimp paste molder and the shrimp paste quality produced. Parameters observed were percentage of remained material inside equipment, acid insoluble ash content, protein content, number of E.coli, water content, and organoleptic tests. The results showed that the combination of shrimp paste raw material had significant effect on percentage of remained material inside equipment, acid insoluble ash content, water content, and organoleptics test but had no significant effect on protein content and number of E.coli. Salt ratio had significant effect on percentage of remained material inside equipment, acid insoluble ash content, water content, and organoleptics test but had no significant effect on protein content and number of E.coli. Key words: shrimp paste, composition, shrimp, fish, salt. ABSTRAK   Terasi adalah salah satu produk hasil fermentasi ikan atau udang yang hanya mengalami perlakuan penggaraman, kemudian dibiarkan beberapa hari agar terjadi proses fermentasi. Penelitian ini bertujuan untuk menguji komposisi bahan baku terasi dengan menggunakan alat pencetak terasi dan kualitas terasi yang dihasilkan. Parameter yang diamati adalah persentase bahan tertinggal dalam alat, kadar abu tak larut dalam asam, kadar protein, jumlah bakteri E.coli, kadar air, dan uji organoleptik. Hasil penelitian menunjukkan bahwa kombinasi bahan baku terasi berpengaruh nyata terhadap persentase bahan tertinggal dalam alat, kadar abu tidak larut dalam asam, kadar air, dan uji organoleptik namun berpengaruh tidak nyata terhadap kadar protein dan kadar bakteri E. coli. Kadar garam berpengaruh nyata terhadap persentase bahan tertinggal dalam alat, kadar abu tidak larut dalam asam, kadar air, dan uji organoleptik namun berpengaruh tidak nyata terhadap kadar protein dan kadar bakteri E. coli.   Kata kunci: terasi, komposisi, udang, ikan, garam.
RANCANG BANGUN MATA PISAU PADA ALAT PEMBUAT SARI KEDELAI (Test of Blades on The Soymilk Maker (Glycine Max) Mhd Fadil; Saipul Bahri Daulay; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 5, No 2 (2017): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

ABSTRACT Soybean is a shrubs crop that grow upright. In the form of soy protein, it can be used as an industrial material that is processed into foods, such as: milk, MSG, pastries, candies and edible meat industry. Crusher knife is one of the main components in the soymilk maker, which plays as crusher that crush soybeans into perfect soymilk. This research  was aimed to design, test, analyze and compare the effectiveness between  two types of crusher knives with blades of different shapes to be applied on soymilk maker. The parameters observed were the effective capacity of the tool, yield, economic analysis, cost of digestion of soy beans, Break Even Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR). The results showed the capacity of the equipment are 6.14 kg/h, the yield obtained in making the soymilk using a non serrated knife was 64.4%, while using a serrated knife was 61.84%, cost of manufacture of soymilk was Rp. 1903.18/kg in the  year 1, Rp. 1813.04/kg in year 2, Rp. 1783.02/kg in year 3, Rp. 1724.18/kg in year 4, and Rp. 1722.72/kg in year 5, break even point it was 31.860 kg/year, Net present value of this equipment with an interest rate of 8% was Rp. 189.285.7881,7 and its internal rate of return was 47%, then the equipment was worth to used. Keywords: blade, soymilk maker. ABSTRAK Kedelai merupakan tanaman pangan berupa semak yang tumbuh tegak. Dalam bentuk protein kedelai dapat digunakan sebagai bahan industri makanan yang diolah menjadi: susu, vetsin, kue-kue, permen dan daging nabati. Pisau penghancur merupakan salah satu komponen utama pada alat pembuat sari kedelai, dimana pisau penghancur berperan sabagai penghancur kedelai sehingga menjadi sari kedelai yang sempurna. Penelitian ini bertujuan untuk mendesain, menguji, menganalisis serta membandingkan tingkat efektivitas antara dua jenis pisau penghancur dengan bentuk mata pisau yang berbeda terhadap penggunaannya pada alat pembuat sari kedelai. Parameter yang diamati adalah Kapasitas efektif alat, Rendemen, Analisis ekonomi, Biaya pelumatan biji kedelai, Break Even Point (Perhitungan Titik Impas), Net Present Value (NPV), Internal Rate of Return (IRR). Hasil penelitian menunjukkan kapasitas alat  6,14 kg/jam, Rendemen yang didapat pada alat pembuat sari kacang kedelai dengan menggunakan pisau tidak bergerigi adalah sebesar 64,4%, sedangkan menggunakan pisau bergerigi adalah 61,84%, biaya pembuatan sari kedelai sebesar Rp. 1.903,18/kg pada tahun pertama, Rp. 1.813,04/kg pada tahun ke-2, Rp. 1.783,02/kg pada tahun ke-3, Rp. 1.724,18/kg pada tahun ke-4, dan Rp. 1.722,72/kg tahun ke-5, break even point apabila telah menghasilkan sari kedelai dengan memproses kedelai sebanyak 31.860 kg/tahun, Net present value alat ini dengan suku bunga 8% adalah Rp. 189.285.7881,7 dan Internal rate of return pada alat ini adalah sebesar 47%, berarti alat ini layak untuk diusahakan. Kata kunci : mata pisau, alat pembuat sari kedelai.