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Articles 481 - 510 of 255887
Full-Text Articles in Life Sciences
Legal Shifts And Judicial Inconsistencies In Strict Liability After The Omnibus Law: A Critical Analysis Of Indonesian Environmental Law For Responsible Mining And Esg Compliance, Nurul Listiyani, Khenza Atthaya Namira Yulianto
Legal Shifts And Judicial Inconsistencies In Strict Liability After The Omnibus Law: A Critical Analysis Of Indonesian Environmental Law For Responsible Mining And Esg Compliance, Nurul Listiyani, Khenza Atthaya Namira Yulianto
Journal of Environmental Science and Sustainable Development
The legal significance of strict liability in mining arises from the sector’s capacity to generate technically complex, diffuse, and long-latency environmental harm that is difficult to address through fault-based litigation alone. This study aims to evaluate how the post-Omnibus Law reformulation of Article 88 of Law No. 32 of 2009 has affected the doctrinal autonomy, judicial consistency, and practical enforcement of strict liability in Indonesian environmental law. The research used normative doctrinal legal research including statutory, case-law, conceptual, comparative, and evaluative analyses. The data cover the 2009–2025 period and consist of two core statutory formulations of Article 88, the Job …
Temporal Variation In Picophytoplankton Pigment Phenotypes Of Two Urban Rivers, Kylee M. Lamberson, Camille E. Wendlandt, Kristin E. Forgrave, Anne W. Thompson
Temporal Variation In Picophytoplankton Pigment Phenotypes Of Two Urban Rivers, Kylee M. Lamberson, Camille E. Wendlandt, Kristin E. Forgrave, Anne W. Thompson
International Journal of Undergraduate Research and Creative Activities
Picophytoplankton are a group of photosynthetic, unicellular organisms, making them key primary producers in aquatic ecosystems. These cells numerically dominate in oceans and lakes where picophytoplankton communities contain phenotypic subpopulations that correspond to biogeographic patterns. In rivers, however, such community dynamics are less studied. We examined the phenotypic subpopulations of picophytoplankton in two converging urban river environments of Portland, Oregon (USA): the Columbia and the Willamette Rivers. From September 2022 through July 2023, we took roughly bi-weekly surface water samples and used multi-laser flow cytometry to distinguish between photosynthetic cells based on their size and pigment fluorescence. We discovered seven …
The Impact Of Unilateral Versus Bilateral Ankle Bracing On Kinematics, Kinetics, And Performance In Volleyball Players, Stephen M. Boulanger, Derek M. R. Kivi, Carlos Zerpa, Paolo Sanzo
The Impact Of Unilateral Versus Bilateral Ankle Bracing On Kinematics, Kinetics, And Performance In Volleyball Players, Stephen M. Boulanger, Derek M. R. Kivi, Carlos Zerpa, Paolo Sanzo
Topics in Exercise Science and Kinesiology
This study examined the effect of different types of ankle braces (Ankle Stabilizing Orthosis (ASO) vs. T2 Active Ankle(T2)) when worn unilaterally (UNI), bilaterally (BI), and with no brace worn (UB) on lower extremity kinematics and kinetics during a vertical jump and agility test. Twenty-two competitive volleyball players completed both a vertical jump test and agility T-test under five bracing conditions. Vertical jump height (VJH), ankle dorsiflexion (ADF), ankle plantarflexion (APF), knee flexion (KF), hip flexion (HF), vertical ground reaction force (vGRF), and vertical impulse were measured during the vertical jump test, while time to completion was measured for the …
Scorpio Basraensis Sp. N. From Southern Iraq (Scorpiones: Scorpionidae), Ersen A. Yağmur, Jafar A. Makki, Shurooq A. Najim
Scorpio Basraensis Sp. N. From Southern Iraq (Scorpiones: Scorpionidae), Ersen A. Yağmur, Jafar A. Makki, Shurooq A. Najim
Euscorpius
A new scorpion species, Scorpio basraensis sp. n., is described and illustrated from Basra Province, southern Iraq. Scorpio basraensis sp. n. is compared with all known species of the genus Scorpio Linnaeus, 1758 occurring in countries surrounding Iraq. The new species can be distinguished by the circular genital operculum in males and the cordiform genital operculum in females (not posteriorly elongated), a densely hirsute body, appendages and metasoma, a distinctly elongated telson vesicle, discrete granules on the external surface of the chela manus that are not flattened, and pectinal tooth counts of 11–13 in males and 9–11 in females. …
Phosphoric Acid-Mediated Regeneration Of Sugarcane Bagasse Cellulose-Rich Fraction For Enzymatic Production Of Water-Soluble Cellulosic Oligomers, Chiou-Yeong Saw, David Agus Setiawan Wibisono, Tsung-Yen Wu, Yung Chang, Chi-Fai Chau
Phosphoric Acid-Mediated Regeneration Of Sugarcane Bagasse Cellulose-Rich Fraction For Enzymatic Production Of Water-Soluble Cellulosic Oligomers, Chiou-Yeong Saw, David Agus Setiawan Wibisono, Tsung-Yen Wu, Yung Chang, Chi-Fai Chau
Journal of Food and Drug Analysis
An integrated strategy was developed to promote conversion of a sugarcane bagasse cellulose-rich fraction into water-soluble cellulosic oligomers (WCOs) through phosphoric acid-mediated regeneration and enzymatic hydrolysis. Alkaline pretreatment on sugarcane bagasse powder increased glucan content from 57.6 to 93.4 g/100 g sample and lowered Klason lignin to 6.1 g/100 g sample. Phosphoric acid-mediated regeneration was subsequently capable of reorganizing the structure of cellulose from sugarcane bagasse, resulting in a decrease of crystallinity from 72.9 to 64.0% and introducing cellulose II-like features. The hydration state of regenerated cellulose strongly influenced hydrolysis performance, as the hydrated form showed significantly higher solubilization (810.4 …
Temporary Cattle Identification: Benefits Of Marking With Hair Bleach, Melanie Heaton, Reganne K. Briggs, Rebekah Iverson, Brooke Holgate, David Secrist
Temporary Cattle Identification: Benefits Of Marking With Hair Bleach, Melanie Heaton, Reganne K. Briggs, Rebekah Iverson, Brooke Holgate, David Secrist
All Current Publications
Temporary identification is an important management tool for beef producers. Animals are routinely marked following breeding, pregnancy diagnosis, vaccination, treatment, sorting, shipping, and marketing so they can be quickly identified without repeated handling. Effective temporary identification improves labor efficiency, reduces animal stress, and helps ensure management decisions are applied to the correct animals. This fact sheet provides information on temporary cattle marking using hair bleach.
Aspen Health On Cedar Mountain: What Landowners Should Know, Justin Derose, Darren Mcavoy
Aspen Health On Cedar Mountain: What Landowners Should Know, Justin Derose, Darren Mcavoy
All Current Publications
Aspen forests are among the most valuable parts of the Cedar Mountain area in southwest Utah and of Utah's landscapes. They provide wildlife habitat, improve scenery, help slow wildfire spread, and support healthy watersheds and grazing lands. Cedar Mountain’s aspen forests are changing. The landscape still supports significant aspen acreage, but many stands are aging and losing mature trees faster than they are being replaced. Researchers studied the area to assess the health of the aspen forest over many years, beginning in 2008; this fact sheet discusses the results. It also provides management considerations.
Molecular And Structural Basis For Replication Initiation And Strand Separation By Human Mitochondrial Dna Polymerase Γ, Viktoriia Sokolova, Gina Buchel, S. Strock, Ashok R. Nayak, Dmitry Temiakov
Molecular And Structural Basis For Replication Initiation And Strand Separation By Human Mitochondrial Dna Polymerase Γ, Viktoriia Sokolova, Gina Buchel, S. Strock, Ashok R. Nayak, Dmitry Temiakov
Department of Biochemistry and Molecular Biology Faculty Papers
Defects in human mitochondrial DNA (mtDNA) replication can lead to somatic mutations associated with a range of devastating mitochondrial diseases. However, the molecular mechanisms governing the earliest steps of mtDNA replication and their fidelity remain poorly understood. Here, we found that DNA polymerase gamma (Polγ) forms stable complexes with RNA-DNA primer-template substrates, exhibiting greater stability and lower misincorporation than on DNA-primed substrates. Structural analysis revealed that Polγ interacts with the 2'-OH groups of ribose within the first four nucleotides of the primer, explaining the stability of complexes that utilize RNA primers. Although Polγ requires TWINKLE to extend RNA primers, its …
Msphere Of Influence: Autoantibodies During Malaria—A Historical Observation Taking The Modern Spotlight, Juan Rivera-Correa
Msphere Of Influence: Autoantibodies During Malaria—A Historical Observation Taking The Modern Spotlight, Juan Rivera-Correa
Publications and Research
Juan Rivera-Correa works in the field of immunology of tropical infectious diseases, focusing on the role of autoimmune responses in malaria. In this mSphere of Influence article, he discusses the papers by Rosenberg and Daniel-Ribeiro, which were two of the first papers to report the presence of autoantibodies in malaria patients, changing the paradigm and blurring the line between autoimmune disorders and infectious diseases.
Evaluation Of The Phytochemical Components And In Vitro Anti-Inflammatory Activities Of Eucalyptus Camaldulensis, Nwankwo Henry Chukwuebuka, Oladipo Miriam Oluchi, Oladipo Bamidele Fatai, Onmata Gloria Deborah, Agbo Joseph Odeh, Agu, Solomon Tsekohol, Onyeyili Patrick Azubuike
Evaluation Of The Phytochemical Components And In Vitro Anti-Inflammatory Activities Of Eucalyptus Camaldulensis, Nwankwo Henry Chukwuebuka, Oladipo Miriam Oluchi, Oladipo Bamidele Fatai, Onmata Gloria Deborah, Agbo Joseph Odeh, Agu, Solomon Tsekohol, Onyeyili Patrick Azubuike
Bulletin of Faculty of Pharmacy Cairo University
Phytochemicals such as alkaloids, flavonoids, and terpenoids are known for their medicinal properties, including anti-inflammatory effects. This study analyzed the phytochemical composition of Eucalyptus camaldulensis leaf extracts and evaluated its’ in vitro anti-inflammatory potential. Leaves of E. camaldulensis were collected, authenticated and extracted using 70% methanol. Qualitative and quantitative phytochemical analyses were performed using standard protocols. Total phenolic content (68.68 ± 0.001 mg/100g), flavonoids (279.62 ± 0.18 mg/100g), alkaloids (82.17 ± 0.76 mg/100g), tannins (22.79 ± 0.03 mg/100g), and terpenoids (8.43 ± 0.03 mg/100g) were quantified. Anti-inflammatory assays included albumin denaturation inhibition (76.33 ± 0.19% at 50 mg/mL), proteinase inhibition …
Comparative Analysis Of Bacterial Recbcd And Sbcc-Sbcd Systems And The Yeast Mre11-Rad50 Complex During Dna Replication, Tannos Seyedjavadi
Comparative Analysis Of Bacterial Recbcd And Sbcc-Sbcd Systems And The Yeast Mre11-Rad50 Complex During Dna Replication, Tannos Seyedjavadi
Dissertations and Theses
Accurate completion of DNA replication when forks converge is essential for genome stability. In Escherichia coli, several proteins have been identified including RecG, ExoI, RecBCD, and SbcCD, that contribute to completing replication, and loss of these factors causes genetic instability. Eukaryotes encode proteins with homology to several E. coli completion enzymes. Mre11–Rad50 complex is structurally and functionally conserved with bacterial SbcCD, and Rrm3 shares homologous motifs with bacterial RecBCD. These proteins are often described as being involved in homologous double strand break repair. Whether they are also conserved and play a similar role as their E. coli counterparts in …
Immunomodulatory Activity Of Bryonia Alba 6c And 30c In Sheep Red Blood Cell-Immunised Mice: Insights From Humoral And Delayed-Type Hypersensitivity Responses, Abanti Goswami, Narasimha Kumar Gv, Vara Prasad Saka, Suneel Prajapati, Bibaswan Biswas, Pankaj Gupta
Immunomodulatory Activity Of Bryonia Alba 6c And 30c In Sheep Red Blood Cell-Immunised Mice: Insights From Humoral And Delayed-Type Hypersensitivity Responses, Abanti Goswami, Narasimha Kumar Gv, Vara Prasad Saka, Suneel Prajapati, Bibaswan Biswas, Pankaj Gupta
Indian Journal of Research in Homoeopathy
Background: Malnutrition and infectious diseases compromise immune responses, increasing vulnerability to infections. The introduction of plant-derived immunomodulators, such as Bryonia alba (Bry. alba), is attracting attention due to their lower side effects compared with chemical drugs. In Homoeopathy, Bry. alba has long been utilised to treat a wide range of illnesses, including viral infections, and is recognised for its immunomodulatory properties. Objectives: To evaluate the immunomodulatory effects of Bry. alba 6C and 30C potencies on humoral and delayed-type hypersensitivity (DTH) in sheep red blood cell (SRBC)-immunised BALB/c mice. Materials and methods: Fifty BALB/c mice were divided into five …
From Data To Medicine: A Milestone For Medical Chemistry And Bioinformatics In Indonesia, Fadilah Fadilah
From Data To Medicine: A Milestone For Medical Chemistry And Bioinformatics In Indonesia, Fadilah Fadilah
Indonesian Journal of Medical Chemistry and Bioinformatics
Biomedical science is rapidly moving from data generation toward data-driven discovery and clinical translation. Genomics, epigenomics, transcriptomics, proteomics, metabolomics, and microbiomics now provide multiple perspectives on human biology, while bioinformatics, artificial intelligence, and molecular modelling enable these complex datasets to be interpreted. The challenge is no longer simply to generate data, but to transform data into knowledge and knowledge into better medicine. This transition is particularly important for Indonesia, where genetic, environmental, microbial, and biological diversity creates both a challenge and an opportunity for population-relevant biomedical research.
Aesthetic Restraint And Blank Space : Design Translation Of Yuezhou Kiln Patterns In Yellow Tea Packaging, Zhou Wenyu, Wan Changlin
Aesthetic Restraint And Blank Space : Design Translation Of Yuezhou Kiln Patterns In Yellow Tea Packaging, Zhou Wenyu, Wan Changlin
Food and Machinery
To explore a new path for traditional ceramic culture to empower local food packaging, this paper takes Yueyang yellow tea as the target carrier and investigates the application strategy of Yuezhou Kiln patterns in modern packaging design. The article analyzes the aesthetic characteristics of aesthetic restraint and blank space in the decorative crafts of Yuezhou Kiln, along with their deep compatibility with contemporary minimalist design philosophy, and proposes design principles such as cultural continuity, functional priority, and freehand-style translation. By deconstructing and reorganizing kiln patterns and reconfiguring colors and materials, this study constructs a packaging visual system with regional distinctiveness, …
Detection Of Egg Components In Food By Microfluidic Digital Pcr, Li Ben, Zhuo Yiming, Qin Jijun, Yang Lixia
Detection Of Egg Components In Food By Microfluidic Digital Pcr, Li Ben, Zhuo Yiming, Qin Jijun, Yang Lixia
Food and Machinery
[Objective] To establish a detection method for egg components in food using microfluidic digital polymerase chain reaction (PCR) technology. [Methods] Specific primers and fluorescent probes are designed based on the mitochondrial gene nicotinamide adenine dinucleotide dehydrogenase subunit 1 (ND1). Then, the reaction system and amplification conditions are optimized, and specificity and sensitivity are evaluated before being applied to actual food detection. [Results] The established method can specifically detect egg components, while no cross-reactivity is observed with other common poultry egg components, such as duck and goose eggs. The optimal annealing temperature is 56 ℃, and the optimal concentrations of primers …
Effects Of Frost Mulberry Leaf Powder On Properties Of Dough And Quality Of Bread, Zhang Erfang, Feng Yan, Zhang Yixin
Effects Of Frost Mulberry Leaf Powder On Properties Of Dough And Quality Of Bread, Zhang Erfang, Feng Yan, Zhang Yixin
Food and Machinery
[Objective] To explore the effects of frost mulberry leaf powder (FMLP) on the processing characteristics of dough and the quality and storage properties of bread. [Methods] FMLP is blended with wheat flour, and the rheological properties of the dough are analyzed by a rheometer. Bread quality is evaluated in terms of texture, color, specific volume, and sensory attributes. The TOPSIS method is adopted for comprehensive evaluation, and variations in moisture and hardness of bread during storage are compared. [Results] The addition of FMLP increases the G', G", and tanδ of the dough, enhances the hardness and chewiness of the bread, …
5-Formyl- 3-Methylene- 3,6-Dihydropyridines Formed In Foods Activate Rage-Dependent Signaling Cascades In Raw 264.7 Cells, Wu Jiaqi, Ou Shiyi, Guo Hongyang, Huang Caihuan, Ou Juanying, Zheng Jie
5-Formyl- 3-Methylene- 3,6-Dihydropyridines Formed In Foods Activate Rage-Dependent Signaling Cascades In Raw 264.7 Cells, Wu Jiaqi, Ou Shiyi, Guo Hongyang, Huang Caihuan, Ou Juanying, Zheng Jie
Food and Machinery
[Objective] 5-Formyl -3-methylene -3,6-dihydropyridine (FMDP) is a novel compound derived from the reaction of amino acids with formaldehyde (FA) and acrolein (ACR), and its content in biscuits has been reported to be more than 40 times higher than that of free acrolein and formaldehyde. Given the structural similarity to FDP -lysine, an advanced glycation end product (AGE) derived from acrolein, this study aims to evaluate the potential safety risk of FMDPs by assessing their ability to stimulate the receptor for advanced glycation end products (RAGE). [Methods] Three FMDP compounds, each possessing a 5-formyl -3-methylene -3,6-dihydropyridine core structure, are synthesized by …
Origin Identification Of Pineapples Based On Mineral Element Fingerprint Analysis Technology, Ke Jiancan, Chen Liyi, Dong Hai, Zheng Hongtao, Chen Yabo
Origin Identification Of Pineapples Based On Mineral Element Fingerprint Analysis Technology, Ke Jiancan, Chen Liyi, Dong Hai, Zheng Hongtao, Chen Yabo
Food and Machinery
[Objective] To analyze the differences in mineral element contents among different pineapple samples and explore the feasibility of applying a discriminant model based on elemental fingerprint analysis to the identification of Shenwan pineapple, a geographical indication product. [Methods] Inductively coupled plasma mass spectrometry was employed to determine the contents of 28 mineral elements in 5 different pineapple samples. Combined with principal component analysis, partial least squares discriminant analysis, and Fisher discriminant analysis, the classification characteristic elements were identified. Discriminant models for pineapples from different producing areas and different bases within the same producing area were established and evaluated. [Results] The …
Detection Of Apple Freshness During Storage Based On Zigbee Network And Pls-Da, Huang Haiyang, Qu Liqiu, Ma Yunlong
Detection Of Apple Freshness During Storage Based On Zigbee Network And Pls-Da, Huang Haiyang, Qu Liqiu, Ma Yunlong
Food and Machinery
[Objective] To address the long detection cycles, complex operation, and destructive sampling in apple freshness detection, a rapid and non-destructive detection method based on Zigbee wireless sensor network and partial least squares-discriminant analysis (PLS-DA) is proposed. [Methods] With Red Fuji apples as the research object, a gas sensor array acquisition system based on the Zigbee protocol is designed to monitor the concentration changes of four characteristic gases (ethanol, ethylene, oxygen, and carbon dioxide) during apple storage in real time. Least squares filtering is employed to preprocess the raw data, and the stable value, mean value, and maximum value are extracted …
Extrusion Pretreatment Improves The Protein Digestibility Of Black Soybean Meal And Its Effects On The Final Quality And Antioxidant Activity Of Soy Sauce, Cheng Xiaoyuan, Ma Chengye, Li Hongjun
Extrusion Pretreatment Improves The Protein Digestibility Of Black Soybean Meal And Its Effects On The Final Quality And Antioxidant Activity Of Soy Sauce, Cheng Xiaoyuan, Ma Chengye, Li Hongjun
Food and Machinery
[Objective] To investigate the regulatory mechanisms of extrusion pretreatment on the protein digestibility of black soybean meal and systematically evaluate its effects on soy sauce quality and antioxidant activity. [Methods] A mixture of black soybean meal and flour was pretreated using extrusion technology for soy sauce brewing. Extrusion temperature, screw speed, flour addition, and moisture content were selected as the main process parameters to investigate their effects on protein digestibility. Under the optimal extrusion conditions, the raw materials were prepared and further subjected to simulated low-salt solid-state soy sauce fermentation. Amino nitrogen, total nitrogen, reducing sugar, pH, total acid, ammonium …
Rationale, Key Issues, And Pathways For China’S Polar Fisheries Development, Yichong Dong, Chuwei Wang, Jingmei Li
Rationale, Key Issues, And Pathways For China’S Polar Fisheries Development, Yichong Dong, Chuwei Wang, Jingmei Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
Polar fisheries are a strategic issue that requires forward-looking planning for China’s efforts to build a strong maritime country and participate in global ocean governance. This study examines the roles of polar fisheries in relation to climate change, the greater food approach, safeguarding maritime rights and interests, and the transformation of marine fisheries, and explains the rationale for China’s polar fisheries development. It argues that China still faces weaknesses in key areas, including scientific evidence generation, equipment and technological support, whole-industry-chain coordination, and the design of institutional solutions. Accordingly, the study proposes pathways for polar fisheries development, including building a …
Effects And Mechanisms Of Carrageenan-Sodium Caseinate Interactions On Oil-Water Interfacial Properties, Huang Zequan, Cao Hongfang, He Jian, Wang Caiyun, Zhao Qiangzhong
Effects And Mechanisms Of Carrageenan-Sodium Caseinate Interactions On Oil-Water Interfacial Properties, Huang Zequan, Cao Hongfang, He Jian, Wang Caiyun, Zhao Qiangzhong
Food and Machinery
[Objective] To investigate the effects of κ-carrageenan concentration on its interaction with sodium caseinate and the oil-water interfacial properties of the composite system. [Methods] Sodium caseinate composite systems with different κ-carrageenan concentrations were prepared. Protein structure, surface hydrophobicity, endogenous fluorescence, zeta potential, particle size, interfacial adsorption behavior, and interfacial dilatational modulus were determined. [Results] After the addition of κ-carrageenan, the secondary structure of sodium caseinate changed markedly, and the proportion of ordered structures showed a trend of initially increasing and then decreasing. Surface hydrophobicity and endogenous fluorescence intensity exhibited a similar trend. When the addition level of κ-carrageenan was 0.15‰, …
Effects Of Material Form On The Modification Of Rice By Heat-Moisture Treatment, Wang Haoyan, Feng Wei, Zheng Yubin, Wang Ren, Huo Jian
Effects Of Material Form On The Modification Of Rice By Heat-Moisture Treatment, Wang Haoyan, Feng Wei, Zheng Yubin, Wang Ren, Huo Jian
Food and Machinery
[Objective] To investigate the effects of two material forms (rice flour and whole rice grains) on the modification performance of rice by heat-moisture treatment and physicochemical properties. [Methods] Early indica rice is used as raw material. Rice flour and whole rice grains are subjected to heat-moisture treatment (100 ℃, 2 h) under three moisture levels (21%, 24%, and 27%). Subsequently, the basic chemical composition, surface particle morphology, crystal structure characteristics, and farinograph processing properties of samples from the two groups are characterized. [Results] After heat-moisture treatment, the particle dispersibility of samples in both groups decreases significantly, accompanied by obvious aggregation …
Study On Preparation And Emulsification Properties Of Distillers Dried Grains With Solubles Arabinoxylan Hydrolysate/Soy Protein Isolate Complex, Yu Shuo, Guo Qingbin, Zhao Shudi, Li Zhenjing, Jia Xing, Kang Ji
Study On Preparation And Emulsification Properties Of Distillers Dried Grains With Solubles Arabinoxylan Hydrolysate/Soy Protein Isolate Complex, Yu Shuo, Guo Qingbin, Zhao Shudi, Li Zhenjing, Jia Xing, Kang Ji
Food and Machinery
[Objective] To expand the application fields of distillers dried grains with solubles and improve its market value. [Methods] Arabinoxylan (AX) was extracted from distillers dried grains with solubles and modified to prepare AX with different molecular structures. AX was then reacted with soy protein isolate (SPI) via the Maillard reaction to prepare the AX-SPI covalent complex. The structure of the complex was characterized using circular dichroism spectroscopy, Fourier transform infrared spectroscopy, particle size, and zeta potential, and its emulsifying properties were studied. [Results] The AX-SPI covalent complex is formed by SPI and AX via the Maillard reaction, and differences in …
Correlation Between Thermal Characteristics And Fat Concomitants And Flavor Quality In The Refining Process Of Camellia Oleifera Seed Oil, Liu Zhaofan, Liu Jiabao, Li Hang, Huang Zonghai, He Xinyi, Li Yun
Correlation Between Thermal Characteristics And Fat Concomitants And Flavor Quality In The Refining Process Of Camellia Oleifera Seed Oil, Liu Zhaofan, Liu Jiabao, Li Hang, Huang Zonghai, He Xinyi, Li Yun
Food and Machinery
[Objective] To investigate the correlation between thermal characteristics, fat concomitants, and flavor quality during the refining process of Camellia oleifera seed oil, and to provide a theoretical basis for precise regulation of the refining process. [Methods] Oil samples were collected during the refining process (crude oil, alkali refining, decolorization, deodorization, and winterization). The dynamic changes in physicochemical indexes, thermal characteristics, fat concomitants, fatty acid composition, and volatile flavor substances were systematically determined, and their correlations were analyzed. [Results] The refining process reduced the acid value of C. oleifera seed oil from 1.79 mg/g to 0.26 mg/g and the peroxide value …
Effect Of Sodium Butyrate On Biofilm Formation And Virulence Of Salmonella Typhimurium, Yao Meng, Li Zhiheng, Wang Yan, Pan Wanlong, Liu Peng
Effect Of Sodium Butyrate On Biofilm Formation And Virulence Of Salmonella Typhimurium, Yao Meng, Li Zhiheng, Wang Yan, Pan Wanlong, Liu Peng
Food and Machinery
[Objective] To investigate the regulatory effects of sodium butyrate on biofilm formation by Salmonella typhimurium and clarify its effects on the expression of virulence-related genes and pathogenicity under in vivo conditions. [Methods] S. typhimurium was treated with 4 mg/mL and 8 mg/mL sodium butyrate, and the effects of sodium butyrate on biofilm formation, motility, metabolic activity, and quorum sensing of the strain were detected. The expression changes of virulence genes (hilA, invF, and sipA) in sodium butyrate-treated strains were analyzed by quantitative real-time PCR. A C57BL/6 mouse infection model was established using S. typhimurium pretreated with 8 mg/mL sodium butyrate, …
Simultaneous Determination Of Eight Sweeteners In Glycyrrhizin By Ultrahigh Performance Liquid Chromatograph-Tandem Mass Spectrometry, He Liang, Zhu Lingchao, Hu Ruilin, Zhang Tao, Song Chunman
Simultaneous Determination Of Eight Sweeteners In Glycyrrhizin By Ultrahigh Performance Liquid Chromatograph-Tandem Mass Spectrometry, He Liang, Zhu Lingchao, Hu Ruilin, Zhang Tao, Song Chunman
Food and Machinery
[Objective] To establish a method based on ultrahigh performance liquid chromatography-tandem mass spectrometry for rapid determination of eight sweeteners in glycyrrhizin. [Methods] The sample is ultrasonically extracted with 20 mL pure water for 30 min, passed through a 0.22 μm microporous filter membrane, separated through the Waters HSS T3 column, subjected to gradient elution with 0.2% (V/V) ammonia solution-methanol, and detected under the negative mode of electrospray ionization. [Results] The eight sweeteners showed a good linear relationship between peak area and concentration within the range of 0.1–20.0 μg/mL, with correlation coefficients greater than 0.99. The limits of quantification are within …
Rapid Determination Of 81 Illegal Weight Loss Additives In Tablet Candy By Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry, Li Hongli, Su Min, Wu Yanlei, Zhang Mian, Wang Yuqi, Zhou Chunjie, Tao Juan
Rapid Determination Of 81 Illegal Weight Loss Additives In Tablet Candy By Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry, Li Hongli, Su Min, Wu Yanlei, Zhang Mian, Wang Yuqi, Zhou Chunjie, Tao Juan
Food and Machinery
[Objective] To establish a rapid detection method for 81 illegal weight loss additives in tablet candy using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). [Methods] Samples were ultrasonically extracted with 80% methanol-water (containing 0.1% formic acid), separated on a Waters ACQUITY UPLC HSS T3 column, and eluted with a gradient of methanol and 0.1% formic acid water solution. Detection was performed using multiple reaction monitoring (MRM) with simultaneous scanning in positive and negative electrospray ionization modes, and quantification was carried out using the external standard method. [Results] The 81 target analytes showed good linear relationships within their respective mass concentration ranges, …
Structural Optimization And Material Separation Characteristics Of An Updraft Rice Mill Based On Cfd-Dem, Li Yuan, Zhou Long, Fan Jijun, Yu Nanhui, Yang Yong
Structural Optimization And Material Separation Characteristics Of An Updraft Rice Mill Based On Cfd-Dem, Li Yuan, Zhou Long, Fan Jijun, Yu Nanhui, Yang Yong
Food and Machinery
[Objective] To enhance the separation efficiency of rice bran and broken rice in an updraft rice mill by optimizing the air duct structure and operating parameters. [Methods] A combined approach of CFD-DEM coupled numerical simulation and experimental verification was adopted to investigate the material separation characteristics of the updraft rice mill under different structural and operating parameters. Key parameters, including air duct width, air velocity, baffle width, and baffle spacing, were optimized through single-factor experiments and response surface methodology. [Results] The addition of baffles at the lower suction inlet improved the pressure and flow velocity distributions within the air duct …
Optimization Of Roller Tooth Parameters For Roller Mill Based On Rocky Dem, Liu Yifan, Zhang Chao, Guo Xing
Optimization Of Roller Tooth Parameters For Roller Mill Based On Rocky Dem, Liu Yifan, Zhang Chao, Guo Xing
Food and Machinery
[Objective] To investigate the effects of the surface technical parameters of the toothed roller in a 1B roller mill on the wheat grinding process and to optimize these surface technical parameters. [Methods] The grinding process of the toothed roller was simulated using Rocky DEM software. Tooth angle, sharpness angle, tooth tip width, and inclination were selected as variables to analyze their effects on wheat scraping rate and wear loss. Single-factor experiments and orthogonal experiments combined with matrix analysis were comprehensively applied to systematically evaluate the experimental results. [Results] The optimal combination of surface technical parameters for the 1B toothed roller, …