Nur Hidayat

University of Brawijaya · Department of Agriculture Industry Technology

Hermetia illucens larvae have a high potential for treating waste as a feed ingredient rich in protein and fat. This research aims to determine the optimum temperature and drying time conditions to produce optimal yield, fat, and protein content. This research used the Response Surface Methodology (RSM) method with a Central Composite Design (CCD)...

Ammonia is a harmful organic substance for aquaculture existence coming from high-protein foods that significantly enhances the growth of white-shrimp. The cultivation rate of artificial feed production increases the water-soluble ammonia load. Unfortunately, not all regional regulations adopt the Minister of Environment Regulation to limit ammonia...

Sumbersekar merupakan bagian dari Kabupaten Dau yang merupakan wilayah yang terkenal dengan produksi buah-buahan, sayuran dan bunga karena terletak di daerah yang tinggi dengan iklim dingin. Wilayah Sumbersekar memiliki berbagai hasil pertanian dari sayuran dan buah-buahan unggulan, salah satu produk utamanya adalah jeruk siam (Citrus nobilis). Mas...

In this study, bioethanol production was carried out at a high temperature (40 0C) using Kluyveromyces marxianus in sugar cane molasses media with a study of combinations in fermentation conditions in the form of inoculum concentration and agitation speed. This study investigated the effect of inoculum concentration and agitation speed on bioethano...

Gracilaria verrucose seaweed is a type of seaweed rich in polysaccharides, protein, essential fatty acids, antioxidants and other bioactive content. Generally the use of seaweed flour in the form of carrageenan as an emulsifier in food, cosmetics, animal feed and other industrial uses. Various treatments have an effect on nutritional stability and...

Macroalgae as the marine renewable biomass has great potential for production of bioenergy and bioproduct with integrated biorefinery concept. However, high lignin content may hinder the valorization. Same conditions applied for the macroalgae in Indonesia which has the great opportunity to explore more in the bioenergy field. This study aimed to i...

Indonesia has abundant oil palm empty fruit bunches (OPEFBs). However, high lignin content in OPEFBs may hinder their valorisation to bioenergy resources, as its degradation by microorganisms is rate-limiting. This paper aims to review OPEFB as feedstock in anaerobic digestion (AD) systems and sustainable strategies to enhance methane yield. This p...

Marine biomass (such as wild seaweed Gracilaria verrucosa) is highly abundant in Indonesia and has been highlighted as a potential biomass resource for bioenergy production. Furthermore, agro-industrial waste (such as tofu dregs/TD which arises from large-scale production in the country) is rich in carbohydrates and proteins, and is therefore consi...

Indonesia has an intensive agro-industrial sector which evolves large volumes of residues each year. Currently, these residues are under-utilized and have a deleterious impact on the environment, Oil Palm Empty Fruit Bunches (OPEFBs) in particular are highly abundant and offer good potential for conversion to bioenergy and bio-based products, in pa...

Batik merupakan salah satu produk kebanggaan bangsa Indonesia, yang umumnya diproduksi oleh usaha kecil menengah (UKM). Peningkatan permintaan batik mendorong adanya peningkatan jumlah UKM batik serta jumlah limbah cair batik yang dihasilkan. Masih banyak UKM batik yang membuang limbah cairnya langsung ke lingkungan yang berpotensi menimbulkan penc...

The sustainability integration to achieve circular economy pressures the development of renewable raw material and bioenergy sources, including marine biomass such as macroalgae. The consideration of sustainable conversion technology for bioenergy from macroalgae is critically highlighted. Various studies have been emphasized that life cycle assess...

Earthworms ( Lumbricus rubellus ) can be used as an alternative to meet protein needs. This study aimed to obtain optimal N-Amino and Total Soluble Solid (TSS) results in earthworm extract. Efforts to improve the results of N-Amino and TDS (Total Dissolved Solids) in earthworm extract can be done by hydrolyzing the juice of earthworms with the help...

Industri susu merupakan salah satu industri penghasil limbah cair yang cukup besar. Pengolahan produk susu untuk setiap produk yang berbeda menghasilkan limbah cair dengan karakteristik yang berbeda pula dan berdampak pada lingkungan. Hal tersebut membutuhkan perhatian lebih terkait penanganan limbah cair yang sesuai. Tujuan dari naskah ini adalah...

Saat ini banyak penelitian mengenai penggunaan PHA (salah satu bahan baku pembuatan bioplastik) sebagai pengganti dari produksi plastik konvensional. Namun, produksi PHA masih sangat kecil dan terbatas. Hal ini disebabkan karena tingginya biaya produksi PHA. Pemanfaatan crude glycerol dan lumpur aktif sebagai sumber substrat/ sumber karbon dan bakt...

Agro-industries generate a high amount of solid waste, wastewater and emissions. In Indonesia’s case, many small and medium-scale agro-industries have problems in treating or in valorising their wastes. Specific to wastewater, due to lack of waste treatment facilities or financial support, as well as lack of policies enforcement, many agro-industri...

In Indonesia, energy needs are mostly fulfilled by non-renewable fuels. In the longer term, such practices may lead to an energy crisis due to problems of resource continuity and availability. Therefore, the development of renewable energy remains a priority for the Indonesian Government, one of which is from biomass sources. Indonesia has vast and...

Buku ini berjudul Book Chapter Rumah Kita Dosen Indonesia (Inovasi Pembelajaran) karena kami ingin menunjukkan bahwa rumah adalah tempat yang paling nyaman dan aman bagi kita semua. Di rumah semua kebutuhan kita tercukupi. Harapan kami, proses belajar mengajar di kampus kita juga senyaman rumah kita dalam mentransfer knowledge dan mendidik para mah...

Oil palm empty fruit bunches (OPEFB) is one of the abundant lignocellulosic biomass in Indonesia. However, high lignin content in EFOB has becoming one of the obstacles in valorising it as bioenergy resources, as it is hardly broken down by the microorganisms. Therefore, pre-treatment is often needed to enhance the biodegradation process of organic...

Macroalgae is one of renewable marine biomass feedstocks for substituting land biomass. With the use of anaerobic digestion (AD) technology, macroalgae has been greatly acknowledged for bioenergy production resources, including biogas. On the other hand, Batik wastewater contains chemical dyes and organic pollutants, which potentially cause environ...

Indonesia experiences an increasing demand for energy, triggering the development of renewable energy, particularly from biomass resources. Empty fruit oil palm bunches (EFOB) residue is one of the potential lignocellulosic biomass highly abundant for further application in bioenergy generation such as biogas. This study was aimed to investigate an...

Introduction. This study aimed to obtain agarose product with market standard quality which could be applied for electrophoresis. Methods. The material used in agarose extraction process was dried agar – agar bar extracted using dimethyl sulfide and soaked in isopropanol solution with 85%, 90%, and 95% of isopropanol concentration. The parameter wh...

Textile wastewater, mainly generated from batik small and medium-sized enterprises (SMEs), is still becoming a serious problem to be tackled. Due to lack of treatment facilities and adequate knowledge and skill, many batik SMEs are disposing their wastewater directly to environment, include river, ditch, etc. "Batik Blimbing" Malang SMEs also has t...

Glucosamine is an amino-sugar compound that is a precursor in synthesis repairment of cartilage and joints in human body. Glucosamine can be produced in the body as well as obtained from animal and plant sources. One of the plant sources that contain glucosamine is the seed of palmyrah. To obtain glucosamine from palmyrah seeds is required extracti...

Earthworm (Lumbricus rubellus) is known to contain proteins making it suitable for alternative high-protein resources for feed or animal food. Exctraction of proteins from earthworms is not an easy task and it requires multiple steps for purifying the protein extract. Furthermore, the extraction of earthworm protein is considered as uneconomical du...

Kulit coklat merupakan sumber lignoselulosa dari limbah pertanian dengan kandungan lignin mencapai 14.7 ± 0.35% (w/w). Lignin merupakan senyawa aromatik kompleks heteropolymer yang tidak mudah dipecah secara hidrolitik, sehingga jamur pelapuk seringkali digunakan untuk mempermudah proses degradasi lignin. Pada penelitian ini digunakan jamur pelapuk...

This study aimed to obtain N-Amino and Total Soluble Solids (TSS) in the extract earthworms. The material used is earthworm type Lumbricus rubellus with age about 40 days. The design used in this study was Response Surface Methods (RSM) with the Central Composite Design, consisting of two factors: the incubation time (2, 4, and 6 days) and the perc...

p>Activity tests of essential lime oil ( Citrus hystrix DC ) from its leaves, twigs, and rinds on the growth of gram-negative bacteria E. coli and gram-positive B. cereus have been conducted. Essential lime oil was obtained by steam distillation of leaves, twigs and rind for 5 h. GC-MS was used to analyze the composition of essential lime oil. Well...

Saccharomyces cerevisiae is one of the commonly used yeast for bioethanol production. It can be produced by growing it in a culture medium containing nitrogen and carbon. Earthworms (Lumbricus rubellus) are high in protein and have a relatively low price that can be used as a source of nitrogen for S. cerevisiae FNCC 3012. Dextrose is used as a car...

Abstrak Penelitian ini bertujuan untuk mengetahui pertumbuhan dan produktivitas jamur tiram putih dari medium tanam campuran sengon, ampas tebu dan jerami padi. Metode penelitian menggunakan Rancangan Acak Lengkap (RAL)tersarang dimana perbedaan komposisi medium tanam sebagai faktor utama dan waktu panen (panen pertama, kedua, ketiga) merupakan fa...

ABSTRACT The aim of this research is to determine the effect of FeCl 3 affected to lignocelullosic degradation of Sengon and Pine wood residue by Serpula lacrymans during incubation. which was showed by the changing value of Total Soluble Phenols (TSP), Total Reducing Sugar (TRS), weight loss and pH extract. The experimental design used is a Factor...

The objective of this research is to identify the potential of several agriculture wastes for the cultivation of white oyster mushroom (Pleurotus ostreatus) in order to be used efficiently. The design used in this research is a completely randomized design consisting of four factors which are A (sengon sawdust), B (a mixture of sengon sawdust and t...

The objective of this research is to identify the effect of earthworm percentage towards bacterial growth. The method used is by blending the earthworm with water, then filtered by whatman paper no. 41 and sterilized. Thenceforth, the medium is innoculated with Lactobacillus burgaricus FNCC 0041 and Pediococcus acidilactici. The result shows that e...

Abstrak Tujuan dari penelitian ini adalah mengetahui pegaruh konsentrasi asam dan waktu hidrolisis terhadap kadar gula total serta kadar gula reduksi. Metode penelitian yang digunakan adalah Rancang Acak Kelompok (RAK) faktorial 2 faktor yaitu konsentrasi H2SO4 dan lama waktu hidrolisis. Faktor pertama terdiri dari tiga level yaitu 0,4M, 0,6M dan...

Abstrak Penelitian ini bertujuan mengetahui pengaruh suhu fermentasi dan penambahan suplemen metal ion terhadap pertumbuhan Z.mobilis serta mengukur kemampuannya dalam menghasilkan etanol. Penelitian ini dilaksanakan dengan menggunakan Rancangan Acak Kelompok dengan dua faktor, yaitu suhu fermentasi (30, 34, dan 38 °C) dan penambahan ion logam dar...

Tujuan yang ingin dicapai dalam penelitian ini adalah merancang desain visual kemasan sekunder transportasi telur ayam ras yang lebih tepat dan lebih baik. Penelitian dilakukan dengan menggunakan metode Quality Function Deployment (QFD). Hasil yang dicapai adalah terdapat enam atribut yang dianggap penting oleh perusahaan dan dapat digunakan untuk...

The purpose of this research was to attain the best combination from canna edulis starch (Pati Ganyong) and glycerol from the process of edible coating, and to identify its effect on the quality of the apples. This research applies randomized block design within 2 factors that were 1%, 1,5% and 2% (w/v) of canna edulis starch concentrate and 4%, 5%...

This research aims to get the optimum combination of Hydraulic Retention Time and addition of inoculums in tofu's wastewater treatment using anaerobic system. Research was done using Central Composite Design (CCD) with two factors, which were Hydraulic Retention Time (12; 18; and 24 hours) and addition of inoculums (5%; 10%; and 15%). The desired r...

The aim of study was to identify the impact of concentration and acid types on reduction of Lead concentration as well as to identify the best result in lowest reduction of Lead concentration between both acids. The design of study applied Nested Random Design with 2 factors are various acids and concentration. Citric acids were 0.11 M, 0.18 M and...

The aim of this research is to find out the best immersion time in liquid nitrogen and the thickness of the packaging plastic to minimize the antioxidant damage of purple sweet potato during storage process. This research is conducted by using a factorial experiment in a randomized block design with two factors. In this research, first factor is th...

We aimed to evaluate the dextrose equivalent and the dynamic rheological parameters of dextrin obtained by hydrolysis of edible canna starch by using α-amylase enzyme. We found that the dextrose equivalent value and dynamic rheological properties, as presented by storage and loss modulus (G and G″) values, varied with the incubation time (1, 3, and...

The aim of this research is to characterize of Lactobacillus spp. from natural Ethawah goat milk-fermented were using 16SrDNA by denaturation gradient gel electrophoresis (DGGE) analysis. Goat and bovine (as negative control) milk naturally fermented among 24hour until 6 days. Morphological and biochemistry of bacteria were characterized by standar...

Purpose: The aim of this research is to analysis 16S rRNA gene sequence of Lactobacillus spp. from natural fermented milk. Material and Methods: The methods that used in this study are total DNA isolation using alkaline lysis, PCR amplification carried out using of specific primers, and identification of amplified DNA using sequencing. The result o...

Moringa oleifera tree is indigenous and highly abundant in Indonesia and its seeds are widely known to be used as a natural coagulant for treating wastewater. Wastewater from tapioca starch industry, particularly in Indonesia, which contains high organic matters, was revealed by high biochemical oxygen demand (BOD) and chemical oxygen demand (COD)...

Purpose: The aim of this research is to analysis 16S rRNA gene sequence of Lactobacillus spp. from natural fermented milk. Material and Methods: The methods that used in this study are total DNA isolation using alkaline lysis, PCR amplification carried out using of specific primers, and identification of amplified DNA using sequencing. The result o...

Penelitian ini bertujuan untuk mengetahui pengaruh waktu dan gaya tekan terhadap kekerasan dan waktu larut tablet effervescent dari serbuk wortel. Penelitian dilakukan menggunakan rancangan acak kelompok yang disusun faktorial dengan dua faktor, yaitu gaya tekan (F) dan waktu (T). Parameter yang diuji adalah kekerasan, waktu larut dan total karoten...

The aim of this research was to analyse the use of different filter media at laboratory scale under a horizontal biofilter system treating tapioca starch wastewater (TSW) to improve the effluent quality that met the national standard. The completely randomized design was used in this study. A horizontal biofilter system was designed and filled with...

Study to obtain the optimum condition for the production of PHAs by Alcaligenes latus was carried using liquid bean curd waste as low cost carbon source. A Response surface method with two factors i.e. the initial sucrose concentration (15 g/L, 20 g/L, and 25 g/L) and time of incubation (48 hours, 60 hours, and 72 hours) was employed. The yield was...

Fish industry is one of the most strategic industry in Indonesia, this fact supported by the geographic location that caused plentiful materials available for this industry. Freezing is the well know way to keep the fresh quality of the materials, specifically for food materials. One kind of frozen product in fish industry is WGGS (Whole Gilled Gut...

Study of Canna edulis starch production technology improvement is needed to produce high quality processed product. Three level of number washing treatment (2 times, 3 times, and 4 times) and duration of precipitation (1 hour, 2 hours, and 3 hours) were applied following in a randomized complete block design with 3 replicates. Result indicated that...