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Nutritional, chemical, and prospect of "mandai," traditional fermented food of Kalimantan

Journal of Ethnic foods 2025年第1期12卷 1-9页

作者： Yudistira, Sukma Amaliah, Nur Gozali, Gozali Purwaningrum, Hesti Gusriza, Fondina Sari, Rini Eka Kuntari, Erlina Daru Wibowo, Singgih Tri Yelfiarita, Yelfiarita Malik, Shintami Rouwelvia Wigati, Dyan Sulistiadi, Slamet Department of Tourism Universitas Negeri Padang West Sumatera Padang 25131 Indonesia Faculty of Food Science Mulawarman University East Kalimantan Samarinda 75123 Indonesia Department of Tourism Balikpapan State Polytechnic East Kalimantan Balikpapan 76126 Indonesia Sekolah Tinggi Pariwisata Ambarrukmo STIPRAM Bantul Yogyakarta 55198 Indonesia Department of Tourism Universitas Pembangunan Nasional Veteran Jawa Timur East Java Surabaya 60294 Indonesia Tour and Travel Business Department of Business Administration Politeknik Negeri Padang 25142 West Sumatera Padang Indonesia Universitas Mahakarya Asia Sleman Yogyakarta 55285 Indonesia Department of Travel Politeknik Pariwisata NHI Bandung East Java Bandung 40141 Indonesia Department of Agricultural Business Politeknik Pertanian Negeri Payakumbuh West Sumatera Limapuluh Kota 26271 Indonesia Program Studi Agribisnis Fakultas Pertanian Universitas Tadulako Central Sulawesi Kota Palu 94148 Indonesia Bachelor of Pharmacy Study Program Faculty of Health Sciences Universitas Dr Soebandi East Java Jember 68111 Indonesia Agriculture and Biosystem Engineering Faculty of Science and Technology Universitas Nahdlatul Ulama Purwokerto Central Java Banyumas 53145 Indonesia

Mandai, a traditional fermented delicacy, is produced from the inner peel of the cempedak fruit (Artocarpus champeden). This unique food is a culinary heritage of the Banjar ethnic group residing in Kalimantan, and is part of Indonesia’s rich collection of traditional fermented foods. This study aimed to analyze mandai by examining its fermentation processes and chemical and nutritional composition. It also discusses the potential and prospects of mandai development in the future. Through a narrative literature review, this study synthesized insights into mandai, emphasizing its significance as a functional food with rich antioxidant and probiotic properties. This review also shows that processing mandai through starter-induced fermentation can improve its quality and standards. This study serves as an important foundation for future mandai research by emphasizing the functional benefits and processing methods of mandai. © The Author(s) 2025.

关键词： Mandai Mandai chemical Mandai nutrition Potentials mandai Prospect mandai Traditional fermented food

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Dual template using P123-gelatin for synthesized large mesoporous silica for enhanced adsorption of dyes

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South African Journal of Chemical engineering 2023年 43卷 312-326页

作者： Safitri, Widiya Nur Habiddin, Habiddin Ulfa, Maria Trisunaryanti, Wega Bahruji, Hasliza Holilah, Holilah Rohmah, Alya Awinatul Sholeha, Novia Amalia Jalil, Aishah Abdul Santoso, Eko Prasetyoko, Didik Department of Chemistry Faculty of Science and Data Analytics Institut Teknologi Sepuluh Nopember East Java Keputih Sukolilo Surabaya 60111 Indonesia Chemistry Education Study Program Faculty of Teacher Training and Education Universitas Sebelas Maret Jl. Ir. Sutami 36A Surakarta 57126 Indonesia Department of Chemistry Faculty of Science Universitas Gadjah Mada Sekip Utara Sleman Indonesia Centre for Advanced Material and Energy Sciences Universiti Brunei Darussalam Bandar Seri Begawan BE 1410 Brunei Darussalam Research Center for Biomass and Bioproducts National Research and Innovation Agency of Indonesia (BRIN) Cibinong 16911 Indonesia Department of Food Science and Technology Faculty of Agriculture Halu Oleo University Indonesia College of Vocational Studies Bogor Agricultural University (IPB University) Jalan Kumbang No. 14 Bogor 16151 Indonesia Department of Chemical Engineering Faculty of Chemical and Energy Engineering Universiti Teknologi Malaysia 81310 UTM Johor Skudai Johor Bahru Malaysia

Mesoporous Silica with a large mesopore channel was synthesized using the sol-gel method for dye adsorption. A dual template consisting of P123 and gelatin at different ratios was employed in the sol-gel synthesis to enhance surface area and mesopore diameter. Gelatin is a green pore directing agent that strengthens P123 thermal stability during the calcination of silicate gel. Optimization of P123:gelatin ratio to 1:0.02 increased the surface area of mesoporous silica to 561.9 m²/g and expanded the pore diameter to 10 nm. The large pore diameter and surface area enhanced methylene blue adsorption capacity to 363.63 mg/g. The adsorption of methylene blue on mesoporous silica follows the pseudo second-order kinetic and the Langmuir model. Regeneration studies using thermal and chemical treatments exhibited the potential of mesoporous silica as an adsorbent for multiple adsorption-desorption of dyes. © 2022 The Author(s)

关键词： Dual template Dye Gelatin Mesoporous silica Pluronic P123

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Upcycling can waste and plastic bottle as functional material: Analysis of green process and simultaneous adsorption-photocatalytic performances

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Case Studies in Chemical and Environmental engineering 2025年 11卷

作者： Nurherdiana, Silvana Dwi Rahimah, Alya Dirja, Ramadhanu Tungga Dewi, Kun Prasasti Ramadhani, Mohamad Rizki Nugraha, Reva Edra Fitriana Wafi, Abdul Master of Environmental Science Study Program Faculty of Engineering and Science Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No. 1 Gn. Anyar Kec. Gunung Anyar East Java Surabaya 60294 Indonesia Study Program of Chemical Engineering Faculty of Engineering and Science Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No. 1 Gn. Anyar Kec. Gunung Anyar East Java Surabaya 60294 Indonesia Low Carbon Technology Research Centre Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No.1 Gn. Anyar Kec. Gunung Anyar East Java Surabaya 60294 Indonesia Department of Physics Universitas Negeri Surabaya East Java Surabaya 60231 Indonesia Research Center for Food Technology and Processing National Research and Innovation Agency (BRIN) Gading Playen Gunungkidul Yogyakarta 55861 Indonesia

This study presents an investigation of chemical and physical characterization, green process analysis, techno-economic considerations, and carbon emissions for synthesizing metal-organic frameworks (MOFs) from plastic and can waste using microwave-assisted synthesis. The microwave-assisted synthesis proves to be more cost-effective, with a reduction in CO₂ emissions by up to 80%. The synthesized material (MIL-Mw-U) demonstrates excellent performance in methylene blue (MB) removal, achieving 98.41% removal, with 97.87% removal although the catalyst is used in the third cycle. The adsorption of methylene blue (MB) onto MIL-Mw-U achieved a maximum capacity of 295.26 mgg⁻¹ at pH 3 and decreased to 258.68 mgg⁻¹ at pH 11 due to OH⁻ competition. The Langmuir isotherm (R² = 0.9381) and pseudo-second-order kinetics (R² = 0.999) confirmed monolayer chemisorption as the dominant mechanism. This innovative approach supports circular economy principles by converting can and plastic bottle waste into functional material for dye removal, offering sustainable solutions for environmental challenges. © 2025 The Authors

关键词： Adsorption Dye removal Green chemistry Metal organic frameworks Photocatalytic SDGs 13 Climate Change

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Advanced Blb Disease Assessment in Paddy Fields Using Multispectral Uav Data and Patch Fragmentation Metrics

SSRN

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SSRN 2024年

作者： Wijayanto, Arif Kurnia Prasetyo, Lilik Budi Hudjimartsu, Sahid Agustian Sigit, Gunardi Hongo, Chiharu Department of Forest Resource Conservation and Ecotourism Faculty of Forestry and Environment IPB University Bogor16680 Indonesia Ronpaku Fellow Tokyo102-0083 Japan Environmental Research Center IPB University Bogor16680 Indonesia Study Program of Information Technology Faculty of Science and Engineering Ibn Khaldun University Bogor16129 Indonesia Department Agriculture Forestry and Bioresources Seoul National University Seoul08826 Korea Republic of Regional Office of Food Crops Service West Java Province Cianjur43283 Indonesia Chiba University Chiba263-8522 Japan

This study presents a new method for assessing bacterial leaf blight (BLB) in paddy fields using multispectral UAV (Unmanned Aerial Vehicle) data through patch fragmentation analysis. Unlike traditional pixel-based methods, which often fail to capture the spatial context, our approach treats pixels as objects and analyzes their spatial relationships to evaluate BLB severity. We used six patch fragmentation metrics derived from binarized vegetation indices to classify BLB damage scores using a random forest algorithm. This method achieves high accuracy (AUC of 0.938) with a 0.5-meter sampling window, offering a more detailed assessment than conventional pixel-based analysis. This study highlights the benefits of incorporating the spatial context and improving BLB monitoring and management. This innovative approach allows agricultural stakeholders to gain valuable insights into the extent and severity of BLB disease infestation, enabling targeted intervention strategies for disease management and mitigation. © 2024, The Authors. All rights reserved.

关键词： Pixels

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Effects of slurry concentration and rotational speeds of drum drier to the characteristics of pregelatinized breadfruit (Artocarpus altilis) flours 1

Effects of slurry concentration and rotational speeds of dru...

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1st International Conference on Mechanical Electronic and Biosystem engineering, MEBSE 2018

作者： Sunarti, T.C. Sinaga, W.S.L. Pandji, C. Department of Agroindustrial Technology Faculty of Agricultural Engineering and Technology Bogor Agricultural University Indonesia Program Study of Food Science Faculty of Science and Technology University of Pelita Harapan Tangerang Indonesia

Breadfruit is one alternative carbohydrate source in Indonesia. However, breadfruit is seasonal and climacteric crops;it should be processed immediately to produce flour. Native breadfruit flour has many limitations since it is difficult to be solubilized and swollen in cold water. The flour is modified physically by pregelatinization to improve its properties. Pragelatinized breadfruit flour can be used as instant food, porridge, and baby food. This research is aimed to investigate the effect of slurry concentration (20 and 30%) of native breadfruit flour and rotational speeds (4, 6 and 8 rpm) of double drum drier to the chemical composition and physico-chemical properties of the pregelatinized flours. The results showed that pregelatinization did not influence to the chemical composition. Pregelatinization of the flour improved the water solubility and swelling power on room (30°C) and hot (70°C) solutions, reduced the freeze-thaw stability, caused partial gelatinization which is monitored by losing the birefringence of starch granule, and darkened the flour. The pregelatinization also reduced the gelatinization temperature and had low final viscosity. Low concentration of slurry and low rotation speed of drum increased the gelatinized part of the flour, which is influenced to the cold and hot water solubility. © Published under licence by IOP Publishing Ltd.

关键词： Solubility

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Optimization of mechanical properties of bioplastics with the addition of ZnO and glycerol plasticizer

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IOP Conference Series: Earth and Environmental Science 2021年第1期712卷

作者： I A Widhiantari A F Hidayat D A Setiawati Study Program of Agricultural Engineering Faculty of Food and Agroindustrial Technology University of Mataram Indonesia

Bioplastics are an alternative to conventional plastics that have been used in society. The advantage of bioplastics is that they are easily degraded in nature because they come from easily renewable materials such as starch which comes from plants. However, biodegradable plastics have shortcomings in terms of tensile strength so that additional supporting materials are needed in their manufacture. Optimization using the Response Surface Methodology (RSM) central composite design (CCD) in this study aims to obtain optimal mechanical properties (tensile strength). The independent variables used in this study include ZnO concentrations (3%, 6%, and 9%) and glycerol concentrations (2 ml, 5 ml, and 8 ml) as well as mechanical properties such as tensile strength and elongation in response. The optimum conditions were obtained at a concentration of ZnO 6.99% and glycerol 5.32 ml with a tensile strength value of 1.58456 MPa and 9.082201% elongation.

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Enrichment of β-carotene in palm oil through deacidification using supercritical carbon dioxide

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Case Studies in Chemical and Environmental engineering 2025年 11卷

作者： Machmudah, Siti Wahyudiono Gautama, Pramudya Riandana Bhayu Annisa, Devi Nur Rafsanjani, Rais Rahmat Watanabe, Masaru Adschiri, Tadafumi Goto, Motonobu Food Engineering Study Program Department of Chemical Engineering Institut Teknologi Sepuluh Nopember Kampus ITS Sukolilo Surabaya 60111 Indonesia Department of Chemical Engineering Institut Teknologi Sepuluh Nopember Kampus ITS Sukolilo Surabaya 60111 Indonesia of Engineering Tohoku University 6-6-10 Aoba Aramaki Aoba-ku Sendai 980-8579 Japan New Industry Creation Hatchery Center Tohoku University 6-6-10 Aoba Aramaki Aoba-ku Sendai 980-8579 Japan WPI – Advanced Institute for Materials Research Tohoku University 6-6-10 Aoba Aramaki Aoba-ku Sendai 980-8579 Japan Department of Materials Process Engineering Nagoya University Furo-cho Chikusa-ku Nagoya 464-8063 Japan Super Critical Technology Centre Co. Ltd. Mie Kuwana 511-0838 Japan

Supercritical carbon dioxide (SCCO2) is a suitable medium for separating phytochemical compounds from various materials. Here, it was employed for crude palm oil (CPO) deacidification to concentrate the β-carotene co... 详细信息

Supercritical carbon dioxide (SCCO₂) is a suitable medium for separating phytochemical compounds from various materials. Here, it was employed for crude palm oil (CPO) deacidification to concentrate the β-carotene component. In the semibatch process, SCCO₂ was introduced to CPO feed material at various operating temperatures (40−60 °C) and pressures (15−25 MPa) with a CO₂ flow rate of 3 mL min⁻¹ for 120 min. The results indicate that the extraction yield was significantly affected by varying the operating temperature and/or pressure, and the highest extraction yield was 4.59 % (40 °C, 25 MPa). Under the same operating conditions, the addition of an ethanol entrainer improved the extraction yield to 9.31 %. However, due to the β-carotene enrichment in the raffinate product, the presence of an ethanol solvent in this process introduced challenges. © 2025 The Authors

关键词： Crude palm oil Enrichment Fractionation Supercritical CO2 β-carotene

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A first-principles study on the quantum tunneling of methylhydroxycarbene isomerization in various solvents 4

A first-principles study on the quantum tunneling of methylh...

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4th Padjadjaran International Physics Symposium 2019, PIPS 2019

作者： Susanti, E.D. Rusydi, F. Puspitasari, I. Fadilla, R.N. Aisyah, N.D. Ahmad, A. Research Center for Quantum Engineering Design Faculty of Science and Technology Universitas Airlangga Jl. Mulyorejo Surabaya60115 Indonesia Department of Physics Faculty of Science and Technology Universitas Airlangga Jl. Mulyorejo Surabaya60115 Indonesia Precision Sciences and Technology and Applied Physics Graduate School of Engineering Osaka University Suita565-0871 Japan Information System Study Program Faculty of Science and Technology Universitas Airlangga Jl. Mulyorejo Surabaya60115 Indonesia School of Chemical Science and Food Technology Faculty of Science and Technology Universiti Kebangsaan Malaysia Bangi Selangor43600 Malaysia

Quantum tunneling phenomenon allows a high-barrier reaction to occur even though thermal energy is not sufficient to surmount the barrier. The phenomenon has been suggested to exist in the isomerization of methylhydroxycarbene which occured at 11 K. Here we study the quantum tunneling that occured in the isomerization of methylhydroxycarbene to acetaldehyde and to vinyl alcohol based on density functional calculations. The isomerization pathways are determined under the effect of various solvents which are modeled by polarizable continuum model (PCM). We use Wentzel-Kramers-Brillouin (WKB) approximation to calculate the tunneling probability (T) and extend the usefulness of T into isomerization rate. The results show that the solvents give a significant effect on the isomerization rate of methylhydroxycarbene to acetaldehyde but an insignificant one on the isomerization rate to vinyl alcohol. © 2020 IOP Publishing Ltd. All rights reserved.

关键词： Isomerization

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Using design expert d-optimal for formula optimization of functional drink that enriched with moringa leaf extract (Moringa oleifera)

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IOP Conference Series: Earth and Environmental Science 2021年第1期759卷

作者： M A Kahfi A N Sutisna H Ainia A R Cecep Food Technology Study Program Faculty of Engineering Pasundan University Bandung Indonesia Research Center for Appropriate Technology Indonesian Institute of Sciences Subang Indonesia

The nutritional content found in Moringa leaf can be used as a supporting substance, the utilization of Moringa leaf extract as for the enrichment of drink products that are ready for consumption such as instant drink products. The use of Moringa leaf extract as an instant drink is an innovation of a local food product to help girl adolescent that are already menstruating to prevention iron deficiency anemia. The purpose of this study was to determine the optimization of the instant drink formula enriched with Moringa leaf extract using the Expert D-Optimal Design. The research stages were conducted by: (1) preparation of the Moringa leaf extract, (2) determination of the fillers from cassava flour, modification cassava flour, and dextrins, (3) characterization of the instant drinks with selected fillers, (4) Moringa leaf enriched instant drink formula optimization using the program of Design Expert-12 the Mixture Design method. The research results based on the prediction of the program of Design Expert-12 show that the optimized formula from 38.01% moringa leaf extrac and 29.94% dextrins with desirability value is 0.521. Verification result has a water soluble time of 17.54 seconds; water insoluble part 0.002%; yield 61.15%; bulk density 0.72 g/mL; 64.65 degrees of brightness; moisture content 1.32%; ash content 0.27%; pH 3.22; antioxidant activity 0.00027; tannin content 0.07%; iron content 3.47 μg/mL and organoleptic values include color 4.15; aroma 3.99; taste 3.94; and overall 4.02.

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Evaluation of biochar and Bacillus sp. amendments on lead polluted land: Dehydrogenation enzyme and Pb availability studies

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Environmental Challenges 2024年 14卷

作者： Priyadarshini, Rossyda Nurherdiana, Silvana Dwi Solekhah, Bella Agit Hamzah, Amir Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No.1 Gn. Anyar Kec. Gn. Anyar Jawa Timur Surabaya 60294 Indonesia Center Innovation of Appropriate Technology for Lowland and Coastal Food Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No.1 Gn. Anyar Kec. Gn. Anyar Jawa Timur Surabaya 60294 Indonesia Study Program of Chemical Engineering Faculty of Engineering and Science Universitas Pembangunan Nasional Veteran Jawa Timur Jl. Rungkut Madya No.1 Gn. Anyar Kec. Gn. Anyar Jawa Timur Surabaya 60294 Indonesia Universitas Tribhuwana Tunggadewi Jl. Telaga Warna Tlogomas Kec. Lowokwaru Jawa Timur Kota Malang 65144 Indonesia

The existence of lead (Pb) in soil has a significant ecological impact, resulting in a reduction in soil fertility. The present work effectively remediated soil contaminated with the heavy metal lead (Pb) through the application of biochar and Bacillus sp bacteria. Currently, there is ongoing research on the utilization of biochar amendments and Bacillus sp bacteria. The main objective is to assess the impact of these materials on the absorption of Pb and the activity of dehydrogenation enzymes. The findings indicate that both materials exhibit significant efficacy in absorbing Pb metal in contaminated soil over the incubation period from day 0 to day 42. The absorption capacity steadily increases until the concentration of Pb in the polluted soil reaches 1–2 ppm, using a biochar dosage of 10–30 ***⁻¹. Incorporating Bacillus sp bacteria at a concentration of 25 ***⁻¹ enhances the uptake of Pb metal. In terms of future prospects, the incorporation of biochar and Bacillus Sp has the potential to enhance the absorption of Pb metal, hence improving soil fertility in an environmentally friendly and cost-effective manner. © 2023

关键词： Bacillus sp Biochar Dehydrogenation enzyme Lead contaminant Soil

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