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Natural antimicrobial properties of liquid smoke derived from cocoa pod shells in meatball preservation

South African Journal of chemical engineering 2023年 46卷 106-111页

作者： Desvita, Hera Faisal, M. Mahidin, Mahidin Suhendrayatna Doctoral Program Post Graduate Program Universitas Syiah Kuala Indonesia Research Center for Chemistry National Research and Innovation Agency B.J. Habibie Science and Techno Park Serpong Banten South Tangerang 15314 Indonesia Chemical Engineering Department Faculty of Engineering Universitas Syiah Kuala Indonesia Halal Research Center Universitas Syiah Kuala Indonesia

The liquid smoke, which is produced by pyrolyzing wood materials containing cellulose, hemicellulose, and lignin, can be used to preserve food. Phenolic, acetic, and carbonyl compounds found in liquid smoke can serve as a natural preservative. This study aimed to determine meatball preservation ability of liquid smoke from cocoa pod shells. Specifically, cocoa pod shells were converted to liquid smoke using slow pyrolysis at three different temperatures, 300 °C, 340 °C and 380 °C. Prior to its use, liquid smoke was purified using distillation at 190 °C. Liquid smoke at concentrations of 0.5%–3.0% was then used to preserve meatballs using an immersion method. Total volatile base-nitrogen (TVB-N), total plate count (TPC), and most probable number (MPN) analyses were used to evaluate preservation performance of liquid smoke. The statistical methods for MPN using one-way ANOVA followed by Tukey's tests. The SNI (Standar Nasional Indonesia) threshold to test whether meatballs remained fresh (TVB-N <20 mg N/g). TPC test results indicated that beef meatballs stay fresh at room temperature for 42 h or 48 h of storage using 0.5% or 1%–3% liquid smoke concentrations, respectively. Based on MPN tests showed meatballs could last for 48 h for all samples. Liquid smoke produced from cocoa pod shells can be used as a natural preservative for beef meatballs;however, liquid smoke concentrations influence the maximum preservation period for meatballs. © 2023 The Author(s)

关键词： Cocoa pod shells Liquid smoke MPN Pyrolysis Total plate count Total volatile base-nitrogen

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Enhanced light-driven photoelectrochemical catalysis of water splitting by TiO2 nanotubes grown on acid-etched titanium foils

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International Journal of Hydrogen Energy 2024年第PartA期51卷 1483-1493页

作者： Hsiao, Yu-Cheng Lai, Jhih-Hong Fan, Yu-Min Chen, Hung-Ming Yougbaré, Sibidou Saukani, Muhammad Chen, Chih-Yu Wu, Yung-Fu Lin, Lu-Yin International PhD Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Stanford Byers Center for Biodesign Stanford University CA94305-5428 United States Graduate Institute of Biomedical Optomechatronics College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Department of Chemical Engineering and Biotechnology National Taipei University of Technology Taipei Taiwan Department of Chemical Engineering Ming Chi University of Technology New Taipei City24301 Taiwan Gingen Technology Co. LTD. Rm. 7 10F. No.189 Sec. 2 Keelung Rd. Xinyi Dist. Taipei11054 Taiwan /Nanoro 03 B.P 7192 Ouagadougou03 Burkina Faso Department of Mechanical Engineering Faculty of Engineering Universitas Islam Kalimantan MAB Jl. Adhyaksa No. 2 Banjarmasin70124 Indonesia Department of Orthopedics Shuang Ho Hospital Taipei Medical University New Taipei City23561 Taiwan International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Cell Physiology and Molecular Image Research Center Wan Fang Hospital Taipei Medical University Taipei11696 Taiwan

Titanium dioxide with suitable band edges is one of promising photocatalysts for water splitting. Nanotubes with one-dimensional structure can induce efficient charge transfers and hollow centers can provide large surface area for surface reactions. Modifying Ti foils for anodization can enhance light utilization of TiO2 nanotube photoelectrodes. In this work, it is firstly to fabricate TiO2 nanotube photoelectrodes on acid-etched Ti foils by anodization (MNT) for photoelectrochemical catalyzing water splitting. Different acid-etching durations are applied on Ti foils to induce various rugged surfaces. The resulting photoelectrodes present largely enhanced light utilization than that fabricated by the pristine Ti foil. The anodization duration is also optimized to find suitable lengths of MNT. The smallest overpotential of 524.7 mV at 10 mA/cm2 and Tafel slope of 167 mV/dec are obtained for the optimal MNT photoelectrode. The TiO2 nanotubes grown on the pristine Ti foil shows the overpotential of 679.3 mV at 10 mA/cm2 and Tafel slope of 285 mV/dec. This result opens a blueprint for raising the photocatalytic ability by simply modifying the surface property of the conductive substrate. Other modifications may be applicable to enhance the roughness of Ti foils for growing more efficient MNT array as photocatalysis of water splitting. © 2023 Hydrogen Energy Publications LLC

关键词： Titanium dioxide

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Telematics and Its Multimedia Applications: A Bibliometric Evaluation Over the Last Two Decades and a Half 9

Telematics and Its Multimedia Applications: A Bibliometric E...

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9th International Conference on Wireless and Telematics, ICWT 2023

作者： Juhana, Agus Nurmalasari, Rin Rin Nurhidayatulloh, Nurhidayatulloh Anggraeni, Aprellia Padmasari, Ayung Candra Sari, Maya Purnama Universitas Pendidikan Indonesia Multimedia Education Study Program Bandung Indonesia Uin Sunan Gunung Djati Department of Electrical Engineering Bandung Indonesia Universitas Pendidikan Indonesia Faculty of Technology and Vocational Education Bandung Indonesia

ISBN: (纸本)9798350305029

The development of telematics technology is increasing rapidly and this capability is supported by multimedia devices or even telematics that supports the development of multimedia itself. For instance, in the configuration of telematics with websites to control air traffic with a voice communication system, multimedia applications serve as devices for monitoring the use of this technology. Consider the research trends, this study aims to evaluate the current development and trends of research on telematics and its multimedia applications through bibliometric analysis over the last two decades and a half (1999-2023). Several publication characteristics were analyzed, including the most cited articles in this field. This study uses data from the Scopus database to evaluate the productivity, impact, countries, research institutions, authors, and research performance of journals based on the impact factor, citation counts, and h-index. According to the result, the annual number of publications on this topic fluctuates but tends to increase, with Germany being the most prolific country producing articles in this field. Additionally, the most researched telematics and its multimedia applications and most cited lists offer insight into the future. This is the first study to use bibliometric analysis to evaluate research on telematics and its multimedia applications and is expected to be useful for telematics researchers by identifying potential research directions. In addition, this research serves as a valuable resource for future researchers and practitioners. However, improvements can be made by incorporating additional analysis, such as content analysis. © 2023 IEEE.

关键词： Telematics

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Edible coating from VCO, iota-carrageenan and alginate blends for pindang fish preservation

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Green Materials 2023年第1期13卷 3-16页

作者： Iswahyuni, Hana Suyatma, Nugraha Edhi Wulandari, Nur Irianto, Hari Eko Dewi, Fera Roswita Nurhayati Sinurat, Ellya Nurbayasari, Rodiah Giyatmi Fransiska, Dina Analyst Ministry for Marine Affairs and Fisheries IPB University Bogor Indonesia Master of Food Technology Study Program Graduate School IPB University Bogor Indonesia Department of Food Science and Technology Faculty of Agricultural Engineering and Technology IPB University Bogor Indonesia Research Center for Marine and Land Bioindustry National Research and Innovation Agency of the Republic of Indonesia Lombok Indonesia Food Technology Study Program Faculty of Food Technology and Health Sahid University Jakarta Indonesia Research Center for Applied Microbiology National Research and Innovation Agency of the Republic of Indonesia Cibinong Indonesia

This study aims to develop an edible coating based on virgin coconut oil (VCO) nanoemulsion, iota-carrageenan and alginate to prolong the shelf life of pindang (mildly salted cooked) fish products. The research involved three stages: material preparation, characterization and determination of factors and responses for experimental design;parameter optimization to achieve optimal conditions;and application and analysis of pre- and post-coating characteristics of pindang fish. The parameter ranges were 0.5–1.5% for alginate concentration, 0.5–1.5% for iota-carrageenan concentration and 0.5–1.0% for VCO nanoemulsion concentration. The result of this study was an optimized food coating solution that was clear and bright white in color. Pindang fish coated with this layer showed improved quality in terms of water content (48.46%), weight loss (0.39%), pH (5.84), total volatile base (47.01%), salt content (2.9%), appearance (7), texture (7) and slime (7). At the same time, the total bacterial count remained unchanged (8 log colony-forming units (CFU)/g), the mold count remained unchanged (5 log CFU/g) and the aroma and taste received a score of 6. Thus, this study successfully produced an optimized edible coating that can enhance the quality and extend the shelf life of pindang fish, making it suitable for broader market distribution. © 2023 ICE Publishing. All rights reserved.

关键词： Fish

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Processing mocaf into pie susu with the addition of super food 'spirulina' 3

Processing mocaf into pie susu with the addition of super fo...

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3rd International Conference on Vocational Education and Technology, IConVET 2020

作者： Ariani, R.P. Ekayani, I.A.P.H. Masdarini, L. Family Welfare Education Study Program Program Study of Vocational Education for Culinary Arts Faculty of Engineering and Vocational-Ganesha University of Education

The purpose of this study was to obtain pie susu mocaf-spirulina products with local fruit varieties (pineapple and Balinese grapes). Mocaf (modified cassava flour) has characteristics similar to low protein flour and gluten free. Spirulina is a type of blue-green algae that is considered a super food because of its nutritional properties that are very good for health. The research method includes 1) experimental trials of the formula for mocaf spirulina pie susu, in the variation of the addition of spirulina to the formulation of mocaf pie susu 2) conduct an Organoleptic Test, with an instrument using the Visual Analog Score (VAS) for the Hedonic test (preference) 3) Perform an Organoleptic Test, with an instrument using VAS for the Hedonic Quality test (quality). The results showed: 1) obtained a pastry formulation (skin) of mocaf pie susu with the addition of 2.5 gr of spirulina (0.5% of the weight of the ingredients) ained mocaf pie susu formulation with the addition of 2.5gr spirulina to mocaf pie susu with pineapple and grape vla;2) The level of preference for mocaf spirulina pie susu (pineapple vla and grape vla) is the color of the likes category, the texture of the likes, the aroma of the likes and the taste of the likes. 3) the quality level of mocaf spirulina pie susu (pineapple vla and grape vla) is greenish color, crunchy texture, pastry fragrant aroma and sweet taste. © Published under licence by IOP Publishing Ltd.

关键词： Textures

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The Smart Mobility Insight of Bus Rapid Transit (BRT) Trans Jateng Purwokerto-Purbalingga Ridership 8

The Smart Mobility Insight of Bus Rapid Transit (BRT) Trans ...

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8th International Conference on ICT for Smart Society, ICISS 2021

作者： Kusumawardani, Dwi Mustika Saintika, Yudha Romadlon, Fauzan Information System Study Program Faculty of Informatics Institut Teknologi Telkom Purwokerto Purwokerto Indonesia Industrial Engineering Study Program Faculty of Industrial Engineering and Design Institut Teknologi Telkom Purwokerto Purwokerto Indonesia

ISBN: (纸本)9781665416979

The rapid development of technology presents a new paradigm, one of which is in the transportation sector. The concept of smart mobility is one of the components in the realization of a smart city, which is closely related to the transportation sector. The Purwokerto-Purbalingga Bus Rapid Transit (BRT) is the government's effort to encourage the transportation sector towards smart mobility. It requires three crucial categories: Accessibility, sustainability, and communication and information technology. This study proves and explains that these three categories can be fulfilled by the Purwokerto-Purbalingga Bus Rapid Transit, especially from women's perception, indicated by an average accessibility score of 4.04, sustainability of 4.22, and Information and Communication Technology of 3.80. Efforts that can be taken by the government and Bus Rapid Transit managers include monitoring and evaluating bus stops and bus arrival frequencies as well as developing mobile-based applications that provide real-time information related to bus rapid transit. © 2021 IEEE.

关键词： Sustainable development

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Decision Support System in Determining the Achievement of Widyaiswara Value Using WASPAS and TOPSIS Algorithm 1

Decision Support System in Determining the Achievement of Wi...

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1st International Conference on Technology Innovation and Its Applications, ICTIIA 2022

作者： Pratama, Yudhistira Adhitya Iswara, Bagus Ajie Nababan, Adli Abdillah Information System Studies Program Pelita Harapan University Medan Campus Faculty Of Computer Science Medan Indonesia Master's Study Program Informatics Engineering Universitas Sumatera Utara Faculty Of Computer Science And Information Technology Medan Indonesia Digital Business Study Program Stmik Pelita Nusantara Medan Indonesia

ISBN: (数字)9781665488266

ISBN: (纸本)9781665488266

Widyaiswara is required to show the best performance to fulfill his duties and obligations. Therefore, it is very important to measure the performance of the Widyaiswara, so that it can be used as evaluation material by the BPSDM PROVSU. However, the assessment process that occurs is still not precise and time-consuming. Therefore, to minimize this, a decision support system is needed that can minimize time errors and data processing in decision-making so that the assessment runs well and accurately. This system was built by applying the WASPAS method and the TOPSIS method. Based on the results of tests carried out five times, the results of the WASPAS method processing time resulted in an average processing time of 0.00029791 ms and an average memory usage value of 2.836.44 kb, while the results of the TOPSIS method processing time test resulted in an average processing time - an average of 0.000296428 ms and an average memory usage value of 2.862.34 kb. © 2022 IEEE.

关键词： Decision support systems

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Web-Based Incentive Calculations System at CV Karya Prima using Prototyping Method

Web-Based Incentive Calculations System at CV Karya Prima us...

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Conference on New Media Studies (CoNMedia)

作者： Monica Cornelia Suryasari Information Systems Study Program Faculty of Engineering and Informatics Universitas Multimedia Nusantara Tangerang Indonesia

Consumption is an essential aspect of daily life, and fulfilling customer needs requires efficient distribution of goods. Therefore, distributors are needed and they frequently set targets for their employees to achieve, and motivation plays a significant role in employee performance. An organization that distributes goods called CV Karya Prima motivates its employees by offering incentives. However, manual incentive calculation sets out problems such as a lack of progress tracking, irregular payout dates, and probable inaccuracies. This study aims to develop a web-based incentive calculation system using the analytical hierarchy process method and a database for data retrieval. The system utilizes PHP, CodeIgniter, and MySQL and adopts the SDLC prototyping method. The developed system is focused on the sales division and variables like total sales, effective calls, calls, and outlets. The web-based system is capable of solving the issues using the features that were built based on user needs and have already been tested through user acceptance testing.

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Correction to: Contaminants of emerging concerns (CECs) in a municipal wastewater treatment plant in Indonesia

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Environmental science and pollution research international 2023年第8期30卷 21533-21534页

作者： Maryani Paramita Astuti Suprihanto Notodarmojo Cindy Rianti Priadi Lokesh P Padhye Department of Civil and Environmental Engineering The University of Auckland Auckland New Zealand. Environmental Engineering Study Program Faculty of Engineering President University Cikarang Indonesia. Environmental Engineering Department Faculty of Civil and Environmental Engineering Bandung Institute of Technology (ITB) Bandung Indonesia. Environmental Engineering Study Program Civil Engineering Department Engineering Faculty University of Indonesia (UI) Depok Indonesia. Department of Civil and Environmental Engineering The University of Auckland Auckland New Zealand. l.padhye@auckland.ac.nz.

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CeO_(2) nanoparticles with oxygen vacancies decorated N-doped carbon nanorods:A highly efficient catalyst for nitrate electroreduction to ammonia

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Nano Research 2022年第10期15卷 8914-8921页

作者： Zerong Li Zhiqin Deng Ling Ouyang Xiaoya Fan Longcheng Zhang Shengjun Sun Qian Liu Abdulmohsen Ali Alshehri Yonglan Luo Qingquan Kong Xuping Sun Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province School of Chemistry and Chemical engineeringChina West Normal UniversityNanchong 637002China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Institute for Advanced Study Chengdu UniversityChengdu 610106China Chemistry Department Faculty of ScienceKing Abdulaziz UniversityP.O.Box 80203Jeddah 21589Saudi Arabia College of Chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJinan 250014China

Electrocatalytic nitrate reduction reaction(NO_(3)−RR)emerges as a highly efficient approach toward ammonia synthesis and degrading NO_(3)−*** our study,CeO_(2) nanoparticles with oxygen vacancies(VO)decorated N-doped carbon nanorods on graphite paper(CeO_(2)−x@NC/GP)were demonstrated as a highly efficient NO_(3)−RR *** CeO_(2)−x@NC/GP catalyst manifests a significant NH_(3 )yield up to 712.75μmol·h^(−1)·cm^(−2) at−0.8 V *** hydrogen electrode(RHE)and remarkable Faradaic efficiency of 92.93%at−0.5 V *** under alkaline conditions,with excellent ***,an assembled Zn-NO_(3)−battery with CeO_(2)−x@NC/GP as cathode accomplishes a high-power density of 3.44 mW·cm^(−2) and a large NH3 yield of 145.08μmol·h^(−1)·cm^(−2).Density functional theory results further expose the NO_(3)−reduction mechanism on CeO_(2)(111)surface with VO.

关键词： CeO_(2)−x nanoparticles oxygen vacancies electrochemical NO_(3)−reduction ammonia synthesis electrocatalysis

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