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Synthesis of a biocomposite based on Kluwih (Artocarpus camansi) seed starch incorporated with carrageenan as a functional additive and cellulose nanofiber filler

Case Studies in Chemical and Environmental Engineering

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Case Studies in Chemical and Environmental engineering 2025年 11卷

作者： Hidayat, Fadlan Indarti, Eti Rahmi Arahman, Nasrul Doctoral Program of Agricultural Science Postgraduate School Universitas Syiah Kuala Banda Aceh 23111 Indonesia Department of Agricultural Product Technology Agriculture Faculty Universitas Syiah Kuala Banda Aceh 23111 Indonesia Atsiri Research Center PUI Universitas Syiah Kuala Jl. Syeh A Rauf No. 5 Darussalam Banda Aceh 23111 Indonesia Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Syiah Kuala Banda Aceh 23111 Indonesia Department of Chemical Engineering Engineering Faculty Universitas Syiah Kuala Banda Aceh 23111 Indonesia Research Center for Environmental and Natural Resources Universitas Syiah Kuala Jl. Hamzah Fansuri No. 4 Darussalam Banda Aceh 23111 Indonesia

The widespread use of synthetic plastics causes environmental issues because of their nondegradability. In this study, biocomposite from Kluwih seed starch were incorporated with carrageenan and cellulose nanofiber (CNF) to improve their mechanical properties. CNFs were prepared using the TEMPO method with ultrasonication. The variables included starch (1, 1.5, 2 g), carrageenan (3, 4.5, 6 g), and CNF (0.006, 0.12, 0.18 g). The mechanical properties of the biocomposite were optimized using RSM. Zeta potential analysis confirmed the stability of CNFs, and XRD and FTIR analyses revealed improved crystallinity and functional groups. The tensile strength of the biocomposites was 12.08 kgf/mm², which is suitable for sustainable packaging applications. © 2025

关键词： Biocomposite Carrageenan Cellulose nanofiber Kluwih seeds starch Tensile strength

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Extraction and characteristic of Dioscorea alata mucilage 3

Extraction and characteristic of Dioscorea alata mucilage

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3rd International Conference on agricultural engineering for Sustainable Agriculture Production, AESAP 2019

作者： Fortuna, D. Mardjan, S.S. Sunarti, T.C. Darmawati, E. Widayati, S.M. Purwanti, N. Doctoral Program in Agricultural Engineering Science Department of Mechanical and Biosystem Engineering Bogor Agricultural University Bogor Indonesia Department of Mechanical and Biosystem Engineering Bogor Agricultural University Bogor Indonesia Department of Agricultural Industry Technology Bogor Agricultural University Bogor Indonesia Bogor Indonesia

Dioscorea alata (DA) mucilage is classified as water-soluble polysaccharides, which has potential as a source of hydrocolloid. This research was conducted to investigate effects of salt types on water to tuber ratio to produce the most optimal mucilage yield. This research was conducted using Completely Randomized Factorial Design 3 x 5. The DA mucilage was extracted using two factors, i.e., types of salt (without salt, sodium chloride, and calcium chloride) and water to tuber ratios (2:1, 4:1, 6:1, 8:1, and 10:1). The results showed that the types of salt significantly affect (P © Published under licence by IOP Publishing Ltd.

关键词： Calcium chloride

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Mud volcanoes and microbial communities: Unraveling the mysteries of formation, features, and occurrence

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Journal of Asian Earth sciences 2025年 290卷

作者： Rajendran, Senthil Kumar Koner, Suprokash Hussain, Bashir Tsai, Hsin-Chi Hseu, Zeng-Yei Chen, Jung-Sheng Huang, Shih-Wei Ali, Danish Khan, Muhammad Adil Hsu, Bing-Mu Department of Earth and Environmental Sciences National Chung Cheng University Chiayi County Taiwan Department of Agricultural Chemistry National Taiwan University Taipei Taiwan Department of Psychiatry School of Medicine Tzu Chi University Hualien Taiwan Department of Psychiatry Tzu-Chi General Hospital Hualien Taiwan Department of Medical Research E-Da Hospital I-Shou University Kaohsiung Taiwan Institute of Environmental Toxin and Emerging Contaminant Cheng Shiu University Kaohsiung Taiwan Center for Environmental Toxin and Emerging Contaminant Research Chen Shiu University Kaohsiung Taiwan Doctoral Program in Science Technology Environment and Mathematics National Chung Cheng University Chiayi County Taiwan Institute of Chemical Engineering National Chung Cheng University Chiayi County Taiwan

Over two thousand mud volcanoes have been documented worldwide, predominantly forming in geologically active regions characterized by rapid sedimentation, recent magmatic activity, and compressional tectonics. These features originate from gravitative instability and fluid overpressure, which induce hydrofracturing of impermeable strata, allowing the release of water, gas, and sediments to the surface. As a result, mud volcanoes occur across a range of tectonic and sedimentary settings, including active margins, accretionary complexes, thrust belts, and deep sedimentary basins. They are generally classified as either submarine or terrestrial mud volcanoes, with the former typically associated with tectonic deformation and the later with sediment accumulation in continental settings. Beyond their geological significance, mud volcanoes contribute substantially to global geochemical and biogeochemical processes, influencing methane production and consumption, nutrient cycling, and organic matter transformation. Additionally, microbial communities are essential in the formation and maintenance of mud volcano structures by contributing to the biomineralization of carbonates and sulfates. The microbial communities found in different mud volcanoes are diverse, and their composition can vary based on location, depth, and geochemical conditions. Moreover, these microbial communities have evolved to utilize diverse sources of energy, including hydrogen, methane, and sulfur, to facilitate metabolic processes. This review summarizes the current insights into the formation, distribution, and environmental constraints of mud volcanoes, while highlighting the ecological relevance and metabolic capabilities of associated microbial communities based on metagenomics data to support interdisciplinary research into geobiological interactions in extreme ecosystems. © 2025

关键词： Functional metabolisms Geological process Microbial communities’ distribution Mud volcanoes

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Correction: Optimized framework for evaluating F3 transgressive segregants in cayenne pepper

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BMC plant biology 2025年第1期25卷 300页

作者： Ifayanti Ridwan Muh Farid Feranita Haring Nuniek Widiayani Ahmad Yani Nirwansyah Amier Muhammad Alfan Ikhlasul Amal Jekvy Hendra Nawab Ali Mekhled M Alenazi Mahmoud F Seleiman Willy Bayuardi Suwarno Muhammad Fuad Anshori Department of Agronomy Faculty of Agriculture Hasanuddin University Makassar 90245 Indonesia. Agrotechnology Bachelor Study Program Faculty of Agriculture Hasanuddin University Makassar 90245 Indonesia. Agrotechnology Master Study Program Faculty of Agriculture Hasanuddin University Makassar 90245 Indonesia. Agricultural Science Doctoral Program Graduate School Hasanuddin University Makassar 90245 Indonesia. Directorate of Horticultural Protection Agricultural Ministry Jakarta 12520 Indonesia. Department of Biosystems and Agricultural Engineering (BAE) College of Agriculture and Natural Resources Michigan State University East Lansing USA. Department of Plant Production College of Food and Agriculture Sciences King Saud University Riyadh Saudi Arabia. Department of Agronomy and Horticulture Faculty of Agriculture IPB University Bogor 11680 Indonesia. Department of Agronomy Faculty of Agriculture Hasanuddin University Makassar 90245 Indonesia. fuad.anshori@unhas.ac.id.

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Conservation of Underground Water with the Ecosystem Approach to the Development of the New Towns in Bogor, Tangerang, Bekasi (Botabek) Region

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Procedia - Social and Behavioral sciences 2016年 227卷 720-727页

作者： Parino Rahardjo Djoko. M. Hartono Emirhadi Suganda Hadi Susilo Arifin Doctoral Student of Environmental Science Study Program University of Indonesia/Faculty of Urban & Regional Planning Department Faculty of Engineering University of Tarumanagara Jakarta Indonesia Civil Engineering Department Faculty of Engineering University of Indonesia Architecture Department Faculty of Engineering University of Indonesia Landscape Architecture Department Faculty of Agriculture. Bogor Agricultural University

The limited supply of clean water led to some residents in the city, as well as business and trade areas using underground water. Optimization of land used in the development of new towns and expanded impervious land surface, thus reducing infiltration capacity, resulting in an increased volume of runoff. The use of underground water and the reduced infiltration of rainwater resulted in a decrease in the underground water table. To maintain the underground water table and preventing land subsidence resulted from the use of underground water as raw material for clean water. The effort required is how doing underground water conservation. This paper discusses the development of new towns to assess the natural landscape as underground water conservation efforts on the development of the new town. The research method uses a quantitative approach to calculate the potential runoff using a soil conservation service, while to analyze the trend of changes in land cover using temporal spatial analysis, using descriptive analysis. The data used satellite imagery. The study found open green spaces, water bodies, and infrastructure in the form of green corridors can reduce runoff and maintain the underground water table.

关键词： Green open space impervious surface Landscape Ecology Runoff Urban Ecosystem

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Proposing plant-derived extracellular vesicles as sustainable and safe bioactive nanocarriers for target-specific human skin transdermal therapeutics strategies

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Sustainable Materials and Technologies 2025年 45卷

作者： Rizka Mulyani Prakoso Adi Bara Yudhistira Chao-Kai Chang Mohsen Gavahian Hsien-Yi Hsu Yeh Chen Chang-Wei Hsieh International Doctoral Program in Agriculture National Chung Hsing University Taichung City 402202 Taiwan Republic of China Department of Agricultural Product Technology Sebelas Maret University Surakarta City 57126 Central Java Indonesia Department of Food Science and Technology Sebelas Maret University Surakarta City 57126 Central Java Indonesia Department of Food Science and Biotechnology National Chung Hsing University Taichung City 402202 Taiwan Republic of China Department of Food Science National Pingtung University of Science and Technology Neipu Pingtung 912301 Taiwan Republic of China School of Energy and Environment Department of Materials Science and Engineering City University of Hong Kong Kowloon Tong Hong Kong China Shenzhen Research Institute of City University of Hong Kong Shenzhen 518057 China Department of Food Science National Ilan University Shennong Road Yilan City 260007 Taiwan Republic of China Department of Medical Research China Medical University Hospital Taichung City 40447 Taiwan Republic of China

Plant-derived extracellular vesicles (PDEVs) as bioactive nanocarriers are promising alternatives to mammalian-derived extracellular vesicles (MDEVs) in therapeutic applications. Specifically, the richness in secondary metabolites, such as polyphenols and flavonoids, allows PDEVs to replicate the anti-inflammatory, antioxidative, anti-cancer, and wound-healing properties of MDEVs. In addition, PDEVs also served as cost-effective resources with ethical benefits by avoiding animal use. This characteristic aligns with consumer demand for sustainable and animal-free skin therapeutic solutions. The widespread availability of plants as food sources also provides a foundation for large-scale PDEVs production. However, further research on efficient isolation and characterization methods is essential to enhance the practicality and efficacy of PDEVs production. In addition, future research could benefit from re-engineering PDEVs to improve stability, targeting specificity, and loading capacity for therapeutic agents. This improvement is important for the reliability and efficacy of PDEVs in skin therapy applications. Despite the current potential, applications and mechanisms of PDEVs in skin therapy remain underexplored. Thus, this review highlights the key characteristics of PDEVs that underpin the potential application in skin transdermal. Furthermore, this review addresses core aspects such as isolation, characterization methods, functional assessment, and mechanisms of action of PDEVs while outlining current regulations, challenges, and future trends. Ultimately, this review will deliver insights into the applications and potential efficient production methods of PDEVs for skin therapeutic purposes. PDEVs were identified as safer, sustainable options for skin treatment, capable of driving innovative developments in skin therapeutic applications.

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Surface Structure of Soy Protein and Mungbean Protein Film Observed Using Atomic Force Microscopy

Surface Structure of Soy Protein and Mungbean Protein Film O...

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国际农业工程大会

作者： Keo INTABON Wimolrat CHEAPPIMOLCHAI Takaaki MAEKAWA Institute of Agricultural and Forestry Engineering University of Tsukuba 305-8577 Japan.Assistant Professor Doctoral Program Institute of Agricultural Science University of Tsukuba 1-1-1 Tennodai Tsukuba 305-8577 Japan Institute of Agricultural and Forestry Engineering University of Tsukuba 305-8577 Japan.professor

The relationship between surface structure and permeability property of soy protein and mungbean protein film was carried out using atomic force microscopy (AFM). The increasing of film porosity resulting in increasing of water vapor permeability (WVP) of films. AFM images showed that the surface of soy protein film was rougher than that of mungbean protein. Films with high glycerol concentration has a rough surface because of the lower evaporation

关键词： Soy protein film, Mungbean protein film, Atomic force microscopy (AFM), Film surface structure

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Capability of short Vis-NIR band tandem with machine learning to rapidly predict NPK content in tropical farmland: A case study of Aceh Province agricultural soil dry land, Indonesia

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Case Studies in Chemical and Environmental engineering 2024年 9卷

作者： Mustaqimah Devianti Munawar, Agus Arip Sufardi, Sufardi Doctoral Program of Agricultural Science Syiah Kuala University Banda Aceh 23111 Indonesia Department of Agricultural Engineering Faculty of Agriculture Syiah Kuala University Banda Aceh 23111 Indonesia Department of Soil Science Faculty of Agriculture Syiah Kuala University Banda Aceh 23111 Indonesia

Developing a rapid, accurate, and cost-effective method for predicting constituents related to soil nitrogen (N), phosphorus (P), and potassium (K) content is considered substantial. One procedure that can work with these criteria and is currently popularly researched is the visible and near-infrared (Vis-NIR) method. Furthermore, machine learning algorithms have been proven to increase the accuracy and robustness of calibration models developed based on short Vis-NIR spectra. Therefore, the potential of combination using short Vis–NIR band (450–1050 nm) in tandem with machine learning algorithm (k-nearest neighbors (kNN), adaboost, random forest) was investigated and evaluated deeply in this study to predict the soil content of N, P, and K using 122 tropical dry farmland samples of Aceh Province origin, Indonesia. Within the investigated variables, the parameter RPD achieved excellent classification (RPD>4.1) for any application for predicted tropical dry farmland soil samples N, P, and K using min-max normalization followed by the kNN algorithm. The short Vis–NIR tandem with machine learning provided promising calibration predictions of N, P, and K content for agricultural soil dry land, especially from Aceh Province, Indonesia. © 2024 The Authors

关键词： Chemometrics Non-destructive measurement Soil nutrients Spectroscopy

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Utilizing atmospheric pressure plasma-modified soy protein isolate as a phosphate substitute to improve the rheological properties of meatballs (kung-wan)

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International Journal of Biological Macromolecules 2025年 312卷 144045页

作者： Hsieh, Chang-Wei Tseng, Yu-Jou Cheng, Kuan-Chen Lin, Hua-Tsung Tsai, Sheng-Yen Adi, Prakoso Huang, Shi-Ying Chang, Chao-Kai Department of Food Science and Biotechnology National Chung Hsing University South Dist. Taichung City40227 Taiwan Department of Food Science National Ilan University Shennong Road Yilan City26047 Taiwan Department of Medical Research China Medical University Hospital North District Taichung City40400 Taiwan Graduate Institute of Food Science and Technology National Taiwan University Daan District Taipei City10617 Taiwan Institute of Biotechnology National Taiwan University Daan District Taipei City10617 Taiwan Department of Optometry Asia University Wufeng Dist. Taichung City413305 Taiwan Department of Food Science Fu Jen Catholic University No. 510 Zhongzheng Rd. New Taipei City242062 Taiwan International Doctoral Program in Agriculture National Chung Hsing University South Dist. Taichung City40227 Taiwan Department of Agricultural Product Technology Sebelas Maret University Surakarta City57126 Indonesia College of Ocean Food and Biological Engineering Jimei University No.43 Yindou Rd. Fujian Province Xiamen city361021 China

This study explores the potential of plasma-modified soy protein isolate (SPI) as a phosphate replacer to reduce the use of food additives in meatballs (kung-wan). Our findings demonstrate that plasma treatment altered SPI's physicochemical properties, decreasing surface hydrophobicity, free sulfhydryl content, particle size distribution, zeta potential, and thermal stability. Circular dichroism spectroscopy demonstrated an elevated α-helix content in air and nitrogen plasma-treated SPI, alongside a reduction in random coil contents. In addition, air plasma treatment for 90 s and nitrogen plasma treatment for 60 s and 90 s led to reductions in β-sheet content by 3.1 %, 0.6 %, and 4.51 %, respectively. Nitrogen plasma-modified SPI (60 s) exhibited improved solubility (16.62 %) and water holding capacity (7.57 %), alongside enhanced emulsification (0.77–1.15 %). Kung-wan made with nitrogen plasma-modified SPI (90 s) showed an 8.8 % reduction in cooking loss and improved emulsion stability compared to unmodified SPI. Across all groups, plasma-modified SPI reduced cooking loss, with the RPN2 group exhibiting the lowest rate (7.28 ± 1.87 %), significantly lower than the control group (P group). Dynamic rheology indicated better gel integrity in kung-wan with plasma-modified SPI, while appearance, particularly color, remained unaffected by the phosphate replacement. These findings suggest that nitrogen plasma-modified SPI enhances the quality of kung-wan by improving gel structure, water retention, and emulsion stability without compromising sensory characteristics. Our study introduces a novel strategy for replacing phosphates in meat products by employing plasma-modified SPI, thereby improving the overall quality and reducing the additive content of processed meat products. © 2025

关键词： Circular dichroism spectroscopy

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Enzymatic Synthesis, Characterization, and Application of Sucrose Ester Derived from Palm Kernel Oil Methyl Ester as Food Emulsifier

SSRN

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SSRN 2024年

作者： Rahmi, Rahmi Kurniasih, Eka Darusman, Darusman Supardan, Muhammad Dani Doctoral Program in Agricultural Science Universitas Syiah Kuala Banda Aceh23111 Indonesia Department of Chemistry Faculty of Mathematics and Natural Science Universitas Syiah Kuala Banda Aceh23111 Indonesia Department of Soil Science Faculty of Agriculture Universitas Syiah Kuala Banda Aceh23111 Indonesia Department of Chemical Engineering Faculty of Engineering Universitas Syiah Kuala Banda Aceh23111 Indonesia

Sucrose ester (SEs) is an emulsifier that is widely used in many kinds of food products. Its application improves flavor, color, and texture. SEs was synthesized from palm kernel oil methyl ester (PKOME) and sucrose using Candida antarctica lipase enzyme as a biocatalyst. The enzymatic synthesis occurred at 30°C, with a Candida antarctica load of 50 mg, and a stirring speed of 250 rpm. The crude SEs was purified by vacuum filtration and then dried at 35-40°C for 6-8 h. This study aimed to obtain the optimal substrate conversion depending on 2 affecting factors: reaction time and sucrose concentration. Determination of the reaction time was carried out at 2-20 h, and sucrose concentration at 100-1,000 ***-1. The substrate conversion was determined using the refractive index (oBrix value) and then validated with a spectrophotometer-UV. The study found that an optimal substrate conversion of 87.8% had been achieved at a sucrose concentration of 400 ***-1, lasted for 12 h. The characteristics of optimal SEs were as follows: SEs purity was 91.82%, free sucrose was 1.75%, acid value was 2.93%, and free methanol was 0.11%. SEs was an o/w emulsifier with an HLB value of 12.35. The functional groups of SEs were O-H, C-H2, C-H, C=O, and C-O, which differed from substrates. In addition, applying SEs of 0.6% (w/v) in a coconut milk emulsion enriched with cooking oil maintains emulsion stability with a creaming index of 54.30% and a pH of 5.75 for 7 days of storage. © 2024, The Authors. All rights reserved.

关键词： Sugar (sucrose)

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