A5026927650- Biofuel production and bioconversion
- Microbial Metabolic Engineering and Bioproduction
- Enzyme Production and Characterization
- Food composition and properties
- Advanced Cellulose Research Studies
- Enzyme Catalysis and Immobilization
- biodegradable polymer synthesis and properties
- Biodiesel Production and Applications
- Anaerobic Digestion and Biogas Production
- Food and Agricultural Sciences
- Cassava research and cyanide
- Catalysis for Biomass Conversion
- Microbial Metabolites in Food Biotechnology
- Carbon dioxide utilization in catalysis
- Carbon Dioxide Capture Technologies
- Catalysis and Hydrodesulfurization Studies
- Electrochemical sensors and biosensors
- Lignin and Wood Chemistry
- Coconut Research and Applications
- Adsorption and biosorption for pollutant removal
- Water Quality Monitoring and Analysis
- Oil Palm Production and Sustainability
- Natural Compound Pharmacology Studies
- Agricultural and Environmental Management
- Analytical Chemistry and Chromatography
Sepuluh Nopember Institute of Technology
2016-2025
Hiroshima University
2003-2004
Cassava leaves are a crucial source of alternative protein resources for both humans and livestock in developing societies African Asian countries that do not have easy access to available sources. Hence, cassava has the capacity promote economic development these provide food security. However, it some disadvantages due anti-nutrient compounds present its tissues, which limits nutritional value leaves. Thus, proper processing is essential order reduce anti-nutrients safer limit before...
Red sorghum starch contains 19% amylose and 34% amylopectin but low gluten, therefore, it is not suitable for bakery production. On the other hand, red potential glucose syrup Glucose can be produced by enzymatic hydrolysis from liquefaction process with α-amylase saccharification glucoamylase. Enzyme concentration plays an important role in yield of process. This experiment aimed to method. Liquid glucoamylase were applied particle size 125 µm. Concentrations 0.2 0.27% (v/v), respectively....
Co-catalyst, LDH-metal, converted UCO to green-fuel. LDH cracked but fatty-acids in distillate. Fatty-acid increased from 94.52% 98% and shorter detected like hexanoic. Additional metal, Fe-Cu-Co-Ni-Zn, shifted compounds. LDH+Ni, LDH+Cu LDH+Fe HC. offered more HC less alcohol while produced highest ketone. selectivity reached 22.61% 52.63%. Further optimization LDH+Fe+Cu with RSM gave significancy model higher yield 59% 86%. able reduced FTIR confirmed HC, fatty-acid, ketone ester XRF...
Increasing wheat flour consumption makes increasing of import value in Indonesia. Wheat has good nutritions, sufficient gluten compound, high glucose and glycemic index. Therefore, substituting with sorghum (local crop) which free, a low index value, can overcome food security problem However, it phytic acid tannin (antinutrients). This study focuses on the reduction antinutrients by three processes (fermentation treatment using lactic bacterias (LAB), including Lactobacillus bulgaricuss,...
Coffee pulp is abundantly available in Indonesia every year, about 1.65 × 106 t of coffee were produced during the 2011 - 2015. However, they have been poorly utilized or dumped environment. Meanwhile, utilizing for production methane (CH4) one most demanding technologies environmentally friendly energy. This study aims to investigate from by some variables; microorganism existed cow dung, rumen-fluid, and dung/rumen fluid mixture anaerobic batch reactor with 3.6 L working volume at...
LASC catalyst synthesis process was carried out using iron metal (Fe) and its characterization properties were tested. There are five stages out, namely, the manufacture of Fe(DS)3 catalyst, lactic acid dehydration, polycondensation into l-lactic oligomers (OLLA), depolymerization l-lactide, ROP to convert l-lactide Polymers. (PLLA). The analysis used is as follows, Karl-Fisher; Spectroscopy Fourier Transform Infrared (FTIR); Nuclear Magnetic Resonance (HNMR); Gel Permeation Chromatography...
The low cost and excellent catalytic properties of lipase for industrial processes are highly desirable. A promising new approach involves the support modification spacer arm, which enables enhancement properties. This study investigates immobilization crude from Mucor miehei onto a Polyurethane Foam (PUF) surface using various coating techniques. PUF matrix was obtained through isocyanate polyol reactions. Subsequently, coated by adsorbing adding edible material. immobilized then utilized...
Abstract The effect of alkaline hydrogen peroxide (AHP) treatment on reducing lignin content in coffee pulp waste (CPW) was investigated to increase the digestibility and accessibility cellulose during production valuable products by enzymatic biological process. Hydrogen (H 2 O ) at various concentrations (2.5, 5, 7.5% (w/w substrate)) mixed into 10% (w/v) CPW-NaOH solution 35 °C for 24 h with pH 11.5. concentration lignocellulosic investigated. characteristic crystallinity index,...
Coffee is an excellent commodity in Indonesia that has big problem utilizing its wastes. As the solution, abundant coffee pulp waste from processing of bean industry been used as a substrate biogas production. (CPW) was approximately 48% total weight, consisting 42% and 6% seed coat. CPW holds good composition consist cellulose (63%), hemicellulose (2.3%) protein (11.5%). Methane production still much problems because toxic chemicals content such caffeine, tannin, phenol which can inhibit In...
As the fossil energy decrease such as petroleum and natural gas, that are encourages a lot of research to develop new sources from renewable raw materials. One source is through reducing sugar (glucose xylose) obtained coffee pulp waste; this due abundant production every year reaching 743 kg/ha. In addition, waste has not been used optimally cellulose hemicellulose content high. The purpose study get optimal operating condition for waste. method optimization Response Surface Methodology...
One issue with batch fermentation is that product inhibition causes low yields and ethanol productivity. The objective of this study was to increase the yield productivity via continuous in a packed bed bioreactor both an integrated extraction process recycling raffinate into fermenter. Molasses used as feedstock, immobilized cells were supported by ĸ-carrageenan. This n-amyl alcohol, 1-octanol, 1-dodecanol solvents. increased from 8.79% 20.03% 34.54 g/L·h 118.16 for experiments using 9.05%...
Abstract. Iswanto T, Shovitri M, Altway A, Widjaja Kusumawati DI, Lisdiyanti P. 2019. Isolation and identification of caffeine-degrading bacteria from soil, coffee pulp waste excreted bean in Luwak feces. Biodiversitas 20: 1580-1587. The present study deals with the isolation obtained caffeine contaminated environment or caffeinated wastes. These are useful for various biotechnological applications especially increasing potential utilization wastes producing high-value chemicals. suspected...
Asian palm civet (APC) known as Luwak, has an important role in producing the most expensive coffee world, Kopi which is excreted from its feces. The bacterial diversity feces of APC was rarely explored, especially for decaffeination. In present study, aerobic caffeine-degrading bacteria were successfully isolated bred Luwak or (Paradoxurus hermaphrodite) Wonosobo (LW) and Lumajang (LL), Java Island-Indonesia identified using 16s rRNA gene. After identification, they Klebsiella (coded LW1 &...
Coffee pulp waste composition consist of cellulose, hemicellulose, lignin, pectin and caffeine, tannin, polyphenol as inhibitor substance. The high cellulose compound in coffee can be used for alternative raw materials the manufacture biogas. This study aims to define mixture microorganisms Pseudomonas putida, Trichoderma harzianum, Aspergillus niger that are best use pretreatment degrade result will applied biogas production. first step is do a with variable putida : harzianum ratio 1:1:1,...
Bio‐based fatty acids (FAs) produced through hydrolysis of natural oils and fats are promising chemical feedstocks for increasing the economic value renewable raw materials. In this work, lecithin, gelatin, PEG, MgCl2 were employed as co-immobilized material crude lipase Mucor miehei immobilization on polyurethane foam (PUF) matrix coconut oil to Free Fatty Acid (FFA). The unconventional immobilized technique was used cross-linking covalent bond. Single factor analysis response surface...