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All Journal Jurnal Teknologi & Industri Hasil Pertanian Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of People, Forest And Environment Jurnal Agroindustri Berkelanjutan Jurnal Agroindustri Halal
Udin Hasanudin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Engineering Environmental Science Industrial & Manufacturing Engineering

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POTENSI BIOGAS DARI PROSES REKAYASA AKLIMATISASI BIOREAKTOR AKIBAT PERUBAHAN SUBSTRAT PADA INDUSTRI BIOETHANOL Julfi Restu Amelia; Udin Hasanudin; Erdi Suroroso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 8, No 3 (2019): September
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1268.862 KB) | DOI: 10.23960/jtep-l.v8i3.224-233

Abstract

Produksi etanol (bioetanol) dari bahan baku biomassa merupakan salah satu cara mengurangi polusi lingkungan dan konsumsi terhadap minyak mentah.  Salah satu bahan bakar yang dapat diperbaharui yakni bioethanol yang merupakan produk turunan dari singkong dan tetes tebu dengan menggunakan teknik proses multiple feedstock system. Industri bioethanol tidak hanya memproduksi produk utama berupa etanol, tetapi juga menghasilkan air limbah dalam jumlah besar. Air limbah bioethanol berbahan baku singkong disebut dengan thinslop, sedangkan air limbah bioethanol berbahan baku tetes tebu disebut dengan vinasse. Adanya proses perubahan substrat dari thinslop ke vinasse akan menyebabkan perubahan beban mikroorganisme dalam penguraian bahan organik . Tujuan dari penelitian yakni  untuk mengukur potensi produksi biogas dari proses rekayasa aklimatisasi perubahan substrat. Penelitian menggunakan tiga bioreaktor CSTR dengan kapasitas 50 L. Perlakuan setiap bioreaktor yakni 50% thinslop dan 50% vinasse; 25% thinslop dan 75% Vinasse, dan 100% Vinasse, dengan laju pembebanan berbeda setiap minggu (0,5 g / L hari, 1,0 g / L hari, 1,5 g / L hari, dan 2,0 g / L hari). Hasil penelitian menunjukkan bahwa nilai potensial biogas dari bioreaktor pertama (50% thinslop: 50% vinasse), bioreaktor kedua (25% thinslop: 75% vinasse), dan bioreaktor ketiga (100% vinasse) berturut-turut yakni 39,39 L/hari, 38,97 L/hari 27,23 L/hari. Hasil penelitian juga menunjukkan bahwa kandungan gas metana secara berturut-turut dari bioreaktor pertama, bioreaktor kedua, dan bioreaktor ketiga (100% vinasse) sekitar 32,67-52,81%, 40,29-67,29%, 20,46-57,33%. Kata kunci : bioethanol, singkong, tetes tebu, bireaktor, aklimatisasi
ANALISIS SIKAP KONSUMEN TERHADAP ATRIBUT PRODUK KOPI RIGIS (Studi Kasus: BUMDES Kampung Kopi Rigis, Pekon Rigis Jaya, Kecamatan Air Hitam, Kabupaten Lampung Barat) Dimas Ferdian Arisandi; Harun Al Rasyid; Udin Hasanudin; Dewi Sartika
Jurnal Agroindustri Berkelanjutan Vol 2, No 2 (2023): Jurnal Agroindustri Berkelanjutan
Publisher : Jurusan Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jab.v2i2.8153

Abstract

Kampung Kopi is a company that runs in processing various types of coffee products, with the name of the product is Kopi Rigis. Kopi Rigis is a ground coffee product that is still developing with product distribution still limited to certain areas. Therefore, this research was conducted to determine consumer attitude towards the attributes of Kopi Rigis to be used as a consideration for product development strategy. This research was conducted using the Fishbein Multiattribute method to determine the level of consumer belief and evaluation, also the importance performance analysis method to determine the level of importance and performance level of consumers on the attributes of Kopi Rigis products. The results of the attitude scores for each attribute are; 16.20 for the taste, 17.34 for the aroma, 12.84 for the variant, 15.38 for the price, and 14.83 for the packaging. While the results of the importance performance analysis shows the attributes of Kopi Rigis obtained a total value of 20.57 for the importance level and 15.58 for the performance level. Consumer attitudes as a whole attribute of Kopi Rigis is neutral with a total attitude value of 76.59. The taste and aroma attributes were assessed positively with an attitude value of 16.20 for the taste attribute and 17.34 for the aroma attribute. Meanwhile, the variant, price, and packaging attributes showed a neutral attitude with an attitude value of 12.84 for the variant attribute, 15.38 for the price attribute, and 14.83 for the packaging attribute. Attributes of Kopi Rigis that included in Quadrant I are the price, because these attribute are considered important in influencing consumers to buy the products and it is requiring an adjustment. The taste and aroma are included in Quadrant II, while the variant and packaging are included in Quadrant III.
Pengaruh Biochar pada Simbiosis Rhizobium dan Akar Sengon Laut (Paraserianthes falcataria) dalam Media Tanam Aulia Asmara Loka Br Tarigan; Melya Riniarti; Hendra Prasetia; Wahyu Hidayat; Ainin Niswati; Irwan Sukri Banuwa; Udin Hasanudin
Journal of People, Forest and Environment Vol. 1 No. 1 (2021): Mei
Publisher : University of Lampung

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

Abstract

Sengon laut ( Paraserianthes falcataria) merupakan tanaman yang bersimbiosis secara mutualisme dengan Rhizobium. Rhizobium adalah bakteri yang menginfeksi akar tanaman yang berfungsi dalam fiksasi nitrogen. Adanya rhizobium yang ditunjukkan dengan timbulnya tonjolan berupa bintil pada akar. Perkembangan bintil terlihat oleh media tanam. Kondisi pada media tanam dapat dibenah dengan biochar untuk meningkatkan ruang tumbuh akar dan penyerapan unsur hara salah satunya nitrogen. Tujuan dalam penelitian ini adalah melihat pengaruh biochar pada media tanam bibit sengon laut ( Paraserianthes falcataria)) terhadap simbiosis rhizobium dan akar yang dilihat dari akar bintil (nodul). Penelitian menggunakan Rancangan Acak Lengkap (RAL) dilakukan selama 6 bulan. Perlakuan yang diteliti yaitu Kontrol atau 100% tanah (K), Meranti 5% atau penambahan biochar 5% (M5), dan Meranti 10% atau penambahan biochar 10% (M10). Parameter yang diamati adalah jumlah bintil root, persen bintil efektif dan warna daun. Hasil menunjukkan dibandingkan dengan kontrol peningkatan peningkatan pada jumlah bintil (61-75%), persen bintil efektif (527-2381%) dan warna daun (16-22%) dengan aplikasi biochar pada media tanam bibit sengon laut.
Karakteristik Kimia dan Fisik Beras Terserang Kutu (Sitophylus oryzae. sp): Chemical and physical characteristics of Rice Infested with lice (Sitophyllus oryzae. sp) Rani Juniarti; Samsu Udayana Nurdin; Siti Nurdjanah; Subeki; Udin Hasanudin
JURNAL AGROINDUSTRI HALAL Vol. 8 No. 2 (2022): Jurnal Agroindustri Halal 8(2)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jah.v8i2.6741

Abstract

Rice (Oryza sativa) is susceptible to damage during storage including quantity and quality. Rice during storage for a long time will experience a decrease in quality both chemically and physically. This study was aims to determine the chemical and physical properties of rice attacked by lice (Sitophyllus oryzae sp). The experiment was arranged in a Randomized Completely Block Design (RCBD) with treatments in the form of samples of commercial rice, rice free of lice, rice attacked by lice. and by product of lice-attacted rice. The study consisted of 4 treatments with 6 replications. The data will be statistically tested using the SPSS 25 application. All data are further processed with the Least Significant Difference Test (BNT/LSD) at the 5% level. The chemical properties of rice infested with lice cause an increase in moisture content, lower protein content and total starch content. The physical properties of rice attacked by lice caused a decrease in water absorption, oil absorption and whiteness. The results showed that rice that was attacked by pests with moisture content of 13.23%, crude protein content 4.90%, total starch content 73.82%, water absorption capacity of 2.09 g/g, oil absorption capacity of 1.93 g/g and whiteness of 80.23.
The Cavendish banana flour-based maltodextrin production: analysis of the effect of alpha-amylase enzyme use and study of industrial attitude Alfi Syahriyyah Majidah; Siti Nurdjanah; Wisnu Satyajaya; Udin Hasanudin; Erdi Suroso
Jurnal Teknologi & Industri Hasil Pertanian Vol. 31 No. 2 (2026): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v31i2.1-10

Abstract

In English: Cavendish banana (Musa acuminata Colla) is a banana that is easily damaged, but has a high starch content (70-80%) in raw conditions, so it can be used as a maltodextrin. The process of hydrolysis of maltodextrin with an α-amylase enzyme using different concentrations will affect the characteristics product. Maltodextrin from Cavendish banana flour is considered a new product on an industrial scale, so it needs to be analyzed by industry attitudes. The purpose of research was to determine the best concentration of α-amylase enzyme, analyze industry attitudes, and determine the level of importance of attributes. This research was arranged in a Completely Randomized Block Design (CRBD) with a single factor (concentration of α-amylase enzyme) and 4 repetitions. Cavendish banana flour is hydrolyzed using the α-amylase enzyme with concentrations of 0.2, 0.4, 0.6, 0.8, 1.0, 1.2%. Then, the best treatment is analyzed based on industrial attitudes by considering sensory attributes. The results of the research showed the best concentration of α-amylase enzyme was 1.2% treatment with yield (89.88%), water content (4.20%), ash content (1.06%), solubility (47.23%), viscosity (2.79mPas), pH (5.92), and DE value (18). The results of the industrial attitude analysis showed a positive attitude with the color attribute (1.79%) being the main attribute that influenced the level of importance of the industrial attitude analysis. Keywords: cavendish banana, maltodextrin, α-amylase enzyme, industrial attitude analysis, and product importance level. In Bahasa: Pisang Cavendish (Musa acuminata colla) merupakan pisang yang mudah rusak, namun memiliki kandungan pati tinggi (70-80%) pada kondisi mentah, sehingga dapat dimanfaatkan menjadi maltodekstrin. Proses hidrolisis maltodekstrin dengan enzim α-amilase menggunakan konsentrasi yang beragam akan mempengaruhi karakteristik produk. Maltodekstrin dari tepung pisang cavendish terbilang produk baru dalam skala industri, sehingga perlu di analisis sikap industri. Tujuan penelitian adalah menentukan konsentrasi enzim α-amilase terbaik, menganalisis sikap industri, dan menentukan tingkat kepentingan atribut. Penelitian ini disusun dalam Rancangan Acak Kelompok Lengkap (RAKL) dengan faktor tunggal (konsentrasi enzim α-amilase) dan 4 kali ulangan. Tepung pisang cavendish dihidrolisis menggunakan enzim α-amilase dengan konsentrasi 0,2, 0,4, 0,6, 0,8, 1,0, dan 1,2%. Kemudian, perlakuan terbaik di analisis sikap industri dengan mempertimbangkan atribut-atribut sensori. Hasil penelitian menunjukan konsentrasi enzim α-amilase terbaik adalah perlakuan 1,2% dengan rendemen (89,88%), kadar air (4,20%), kadar abu (1,06%), kelarutan (47,23%), viskositas (2,79mPas), pH (5,92), dan nilai DE (18). Hasil analisis sikap industri menunjukan sikap yang positif dengan atribut warna (1,79%) menjadi atribut utama yang berpengaruh terhadap tingkat kepentingan dari analisis sikap industri. Kata kunci: pisang cavendish, maltodekstrin, enzim α-amilase, analisis sikap Industri, dan tingkat kepentingan produk.
Co-Authors Ainin Niswati Alfi Syahriyyah Majidah Aulia Asmara Loka Br Tarigan DEWI SARTIKA Dimas Ferdian Arisandi Erdi Suroroso Erdi Suroso Harun Al Rasyid Hendra Prasetia Indra Gumay Febryano Irwan Sukri Banuwa Jiho Yoo Julfi Restu Amelia, Julfi Restu Melya Riniarti Rani Juniarti Samsu Udayana Nurdin Sangdo Kim Sihyun Lee Siti Nurdjanah Subeki Wahyu Hidayat Wisnu Satyajaya Yogi Sulistio