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Articles 5881 - 5910 of 31417
Full-Text Articles in Entire DC Network
Automatic Detection Of Depression Using A Cnn-Transformer Model Based On Low-Channel Eeg Data, Dongfang Yu, Penghai Li, Fei Su, Kun Wang, Shutong Duan, Ding Yuan
Automatic Detection Of Depression Using A Cnn-Transformer Model Based On Low-Channel Eeg Data, Dongfang Yu, Penghai Li, Fei Su, Kun Wang, Shutong Duan, Ding Yuan
Turkish Journal of Electrical Engineering and Computer Sciences
Background: Accurate and portable diagnostic tools for Major Depressive Disorder (MDD) remain a critical unmet need in clinical practice. Electroencephalography (EEG), with its noninvasiveness and high sensitivity, presents an ideal modality, yet traditional multi-channel EEG systems limit clinical convenience and practical deployment. Methods: We developed a novel CNN-Transformer hybrid model using only eight EEG channels selected from frontal regions to detect MDD. Minimal preprocessing steps (basic filtering) were applied to EEG data before the model automatically learned both local and global signal features through convolutional and self-attention mechanisms. We validated this method through comprehensive experiments, including within-dataset and cross-dataset evaluations, …
Electronically Tunable Cccii And Ota-Based Fractional-Order Meminductor Emulator And Its Application, Bhawna Aggarwal, Rupam Das, Shireesh Kumar Rai
Electronically Tunable Cccii And Ota-Based Fractional-Order Meminductor Emulator And Its Application, Bhawna Aggarwal, Rupam Das, Shireesh Kumar Rai
Turkish Journal of Electrical Engineering and Computer Sciences
In this paper, two fractional-order meminductor (FOMI) emulators have been realized using second-generation current-controlled conveyor (CCCII) and operational transconductance amplifier (OTA). In the first realization, two OTAs, one CCCII, one resistor, one fractional-order capacitor, and one integer-order capacitor are used. In the second configuration two CCCIIs, one OTA, two resistors, one fractional-order capacitor, and one integer-order capacitor are used. Pinched hysteresis loops have been achieved for a wide range of frequencies. The robustness of the proposed FOMI emulators has been verified through formation of pinched hysteresis loops under process, voltage, and temperature variations. Other characteristics, such as transient analysis, nonvolatility …
Industries, Self-Rated Health, And Status Characteristics: An Exploration Of Health In Industries At The Intersection Of Race/Ethnicity, Gender, And Disability, Emmanuel Legarreta
Industries, Self-Rated Health, And Status Characteristics: An Exploration Of Health In Industries At The Intersection Of Race/Ethnicity, Gender, And Disability, Emmanuel Legarreta
Dissertations and Theses
While industries, occupations, and health outcomes have been widely studied, research has neglected self-rated health (SRH) and the intersectionality of different status characteristics in various industries. Using an IPUMS version of the Current Population Survey, this study explores the possible relationships between industries and SRH. More specifically, it seeks to find if workers' disability status, racial minority status, or gender moderates (i.e., differentiates) the relationship between their industry and SRH. Findings show that certain industries are significant predictors of SRH, and that women with disabilities working in Mining and Construction, and Business and Repair Service have significantly worse SRH than …
Face Off: Evaluating Virtual Human Expressions And Non-Tracking Control Methods In Vr, J K Sangeeth Chandran, Marisa Llorens Salvador, Cathy Ennis
Face Off: Evaluating Virtual Human Expressions And Non-Tracking Control Methods In Vr, J K Sangeeth Chandran, Marisa Llorens Salvador, Cathy Ennis
Conference papers
Social virtual reality (VR) applications have become more ubiquitous in recent years; central to this is the communication pipeline, how users perceive virtual human facial expressions, and how they control them in real time, especially when using VR devices without face-tracking. We investigated both aspects in a set of experiments. Firstly, we compared the perception of virtual human emotions on a traditional 2D screen and in VR. In a second experiment, we used a validated set of stimuli to compare three different control methods for manipulating an avatar’s facial expressions in VR. These control methods utilize non-tracking control techniques, which …
Fractional-Order Adaptive Terminal Sliding Mode Control For Synchronization Of Uncertain Chaotic Memristive Chua's Circuit, Dorukhan Asteki̇n, Fati̇h Adigüzel
Fractional-Order Adaptive Terminal Sliding Mode Control For Synchronization Of Uncertain Chaotic Memristive Chua's Circuit, Dorukhan Asteki̇n, Fati̇h Adigüzel
Turkish Journal of Electrical Engineering and Computer Sciences
Memristive-based chaotic dynamical systems exhibit chaotic behavior with signals of unpredictable complex ity, making it difficult to achieve full synchronization in master-slave systems. Therefore, an advanced synchronization method is required to overcome the chaotic model uncertainties and external disturbances. In this study, a fractional order terminal sliding mode synchronization is proposed for the uncertain memristive chaotic Chua’s circuit. After presenting the integer-order model of the chaotic memristive Chua’s circuit, a fractional-order sliding surface-based non linear synchronization structure, incorporating the fractional derivative operator, is designed. The convergence of the synchronization closed-loop system is proven using Lyapunov theory. To demonstrate its effectiveness …
A Combined Dld-Inar(P) Model For Overdispersed Count Data, Norbert Zongo University, Koudougou, Burkina Faso, Tegawende Martin Kabore, O. Jean-Etienne Ouedraogo
A Combined Dld-Inar(P) Model For Overdispersed Count Data, Norbert Zongo University, Koudougou, Burkina Faso, Tegawende Martin Kabore, O. Jean-Etienne Ouedraogo
Baku Mathematical Journal
In this paper, we develop a combined order p integer-valued autoregressive process whose marginal distribution follows the discrete Lindley distribution (DLD) [1]. Referred to as the CDLD-INAR(p) process, this model is particularly suited for modeling count time series exhibiting overdispersion. Formulation of this model is based on the binomial thinning operator introduced by Steutel [8]. Several conditional theoretical properties of the process are established, and its parameters are estimated using the conditional maximum likelihood method. The asymptotic properties of the resulting estimators are also investigated. Finally, the practical relevance of the proposed model is demonstrated through an application to real …
Spectator 2025-09-25, Editors Of The Spectator
Prokaryotic Expression Of Recombinant Plectasin Optimization Of High-Density Fermentation Conditions And Antibacterial Activity, Su Yan, Li Rong
Prokaryotic Expression Of Recombinant Plectasin Optimization Of High-Density Fermentation Conditions And Antibacterial Activity, Su Yan, Li Rong
Food and Machinery
[Objective] To construct a recombinant strain expressing the antimicrobial peptide Plectasin, optimize the high-density fermentation conditions of the recombinant strain, and evaluate the antibacterial activity of the purified recombinant peptide produced under optimized conditions. [Methods] To improve soluble expression of the target protein, the plectasin gene was synthesized and optimized based on codon preference of the prokaryotic expression system with signal peptide deletion. The optimized gene was cloned into the pET32a(+) expression vector to construct the recombinant plasmid pET 32a-plectasin, which was transformed into Escherichia coli BL21(DE3)/pLysS competent cells. Single-factor and orthogonal experiments were designed to optimize the parameters of …
Carbon Metabolism And Multidrug Resistance In Bacillus Mobilis And Cupriavidus Campinensis Isolated From Cadmium-Spiked Soils, Philips O. Akinwole, Emma E.C. Jacobs '25, Nina G. Shaffer '25
Carbon Metabolism And Multidrug Resistance In Bacillus Mobilis And Cupriavidus Campinensis Isolated From Cadmium-Spiked Soils, Philips O. Akinwole, Emma E.C. Jacobs '25, Nina G. Shaffer '25
Biology Faculty publications
Heavy metal contamination and antibiotic resistance are critical environmental and public health challenges, often exacerbated by co-selection pressures in polluted environments. This study identifies and characterizes Bacillus mobilis and Cupriavidus campinensis, two cadmium-tolerant bacterial species isolated from cadmium-amended soils with cadmium (Cd2+) concentrations exceeding those typically found in highly contaminated soils. Both species exhibited multidrug resistance and the ability to metabolize specific carbon substrates, including pyruvic acid methyl ester, itaconic acid, D-galactonic acid-γ-lactone, Tween-40, and Tween-80. These substrates enhance microbial activity and heavy metal bioavailability, supporting their potential roles in bioremediation, especially through the targeted introduction of …
Quantifying The Relative Importance Of Survival Threats To A Long-Lived Reptile Using Expert Elicitation, Jennifer F. Moore, J. Hardin Waddle, Fred Johnson, Julien Martin, Evan H. Campbell Grant, Jill Fleming, Thomas S. Akre, Donald J. Brown, Yu Man Lee, Jonathan Drescher-Lehman, John Kleopfer, Jeff Tamplin
Quantifying The Relative Importance Of Survival Threats To A Long-Lived Reptile Using Expert Elicitation, Jennifer F. Moore, J. Hardin Waddle, Fred Johnson, Julien Martin, Evan H. Campbell Grant, Jill Fleming, Thomas S. Akre, Donald J. Brown, Yu Man Lee, Jonathan Drescher-Lehman, John Kleopfer, Jeff Tamplin
Faculty Publications
Long-term survival of a conservation-reliant species requires understanding the impact of threats on population growth rate and the management actions that can help mitigate these threats. We used a threat assessment with expert-elicited estimates to determine the relative effect of each stage-specific threat on the population growth rate of the wood turtle Glyptemys insculpta. In addition, we offered potential management actions that could mitigate these threats and examined the relative cost and benefit of each. The experts responded that predators had the largest effect on hatchling and juvenile survival and that road mortality had the largest effect on adult survival. …
The Intersection Of Ethnomusicology And Special Education: An Exploration Of Aba-Infused World Music Play Facilitation In The Social-Emotional Development Of Children With Autism Spectrum Disorder, Jean-Pierre Ervelt Leroy
The Intersection Of Ethnomusicology And Special Education: An Exploration Of Aba-Infused World Music Play Facilitation In The Social-Emotional Development Of Children With Autism Spectrum Disorder, Jean-Pierre Ervelt Leroy
Masters Theses
Inspired by experiences across disciplines, this mixed-method study peered into a possible intersection of ethnomusicology and special education. An innovative ABA-infused world music play facilitation program for children was created to examine how culturally diverse musical intervention in combination with Applied Behavior Analysis (ABA) principles could enhance the social-emotional development in children diagnosed with ASD. To gain an informed context on worldview and structure, this research was conducted within both sacred and secular communities. To gain a comprehensive understanding of how interdisciplinary intervention can impact the self-expression, self-regulation skills, and cultural awareness of children, both quantitative assessments and qualitative observations …
The Cowl - V. 89 N. 2 - September 25, 2025
The Cowl - V. 89 N. 2 - September 25, 2025
The Cowl
The Cowl - student newspaper of Providence College. Vol. 89 No. 2 - September 25, 2025. 16 pages.
Effects Of Thermal Treatments And High-Pressure Defatting Processes On The Quality And Functional Characteristics Of Rice Bran, Chen Yun, Han Xiaomiao, Wu Suxi, Cai Yongjian, Miao Yongjun
Effects Of Thermal Treatments And High-Pressure Defatting Processes On The Quality And Functional Characteristics Of Rice Bran, Chen Yun, Han Xiaomiao, Wu Suxi, Cai Yongjian, Miao Yongjun
Food and Machinery
[Objective] To investigate the effects of thermal treatments (dry heat, microwave, and high-temperature high-pressure steam) and high-pressure defatting processes (supercritical CO2 extraction and ultrasound-assisted subcritical n-butane extraction) on the quality of rice bran, aiming to improve its stability and potential for high-value utilization. [Methods] Rice bran was pretreated by dry heat, microwave, and high-temperature high-pressure steam, combined with two high-pressure defatting techniques. The effects on lipase activity, storage stability, and physicochemical properties of rice bran were systematically analyzed. [Results] High-temperature high-pressure steam treatment (121℃, 20 min) significantly reduced lipase activity to 19.87 mg/g and effectively inhibited the accumulation of free …
An Apple Defect Identification Method Based On Improved Yolov 7-Tiny, Li Jun, Cao Botao, Peng Xindong
An Apple Defect Identification Method Based On Improved Yolov 7-Tiny, Li Jun, Cao Botao, Peng Xindong
Food and Machinery
[Objective] To improve the accuracy of apple defect identification and classification. [Methods] An apple defect identification method based on improved YOLOv 7-tiny is proposed. Firstly, a multi-angle image acquisition system is designed to sample and enhance the surface of the apple. Then, the YOLOv 7-tiny network is used to extract the features of the apple. The extracted features are dimensionally reduced and compressed with the improved fuzzy C-means clustering (IFCM) algorithm. Finally, the improved coati optimization algorithm (ICOA) is adopted to automatically optimize the hyperparameters of the YOLOv 7 model. The proposed method is compared with other methods, such as …
Gamma-Aminobutyric Acid Biosynthesis Via Fermentation Using Lactiplantibacillus Plantarum With Optimized Glutamate Decarboxylase Expression Conditions, Yang Shengyuan, Fan Genjun, Liu Yiying
Gamma-Aminobutyric Acid Biosynthesis Via Fermentation Using Lactiplantibacillus Plantarum With Optimized Glutamate Decarboxylase Expression Conditions, Yang Shengyuan, Fan Genjun, Liu Yiying
Food and Machinery
[Objective] To enhance the biosynthesis efficiency of gamma-aminobutyric acid (GABA) via submerged fermentation by Lactiplantibacillus plantarum. [Methods] With the activity of whole-cell glutamate decarboxylase (GAD) as an evaluation indicator, the GAD production conditions are optimized through systematic investigation of both fermentation conditions and culture media, and the fermentation process for GABA production is subsequently established based on these optimized conditions. [Results] The optimal fermentation conditions for GAD production by Lpb.plantarum Y-2 are static culture at 30℃ for 48 h in a modified MRS (MMRS) medium containing 10 g/L peptone, 10 g/L beef extract, 5 g/L yeast extract, 10 g/L sucrose, …
Research Progress On Mechanism Of Kidney Bean In Promoting Recovery From Exercise-Induced Fatigue, Fang Jiahao, Qian Haifeng, Li Yan, Fan Mingcong, Wang Li
Research Progress On Mechanism Of Kidney Bean In Promoting Recovery From Exercise-Induced Fatigue, Fang Jiahao, Qian Haifeng, Li Yan, Fan Mingcong, Wang Li
Food and Machinery
A reasonable dietary intervention is an effective way to alleviate exercise-induced fatigue. Kidney beans, due to their high protein content and abundant bioactive components, show great potential in the field of exercise recovery. This review summarized the nutritional components and major bioactive components of kidney beans, analyzed the physiological changes occurring during human physical exercise, and elaborated on the effects of kidney beans on these exercise-induced physiological changes, as well as their beneficial role in alleviating exercise-induced fatigue. Furthermore, the review provided an outlook on the future applications and research directions of kidney beans in the field of sports nutrition.
Non-Invasive Detection Of Choroidal Melanoma Via Tear-Derived Protein Corona On Gold Nanoparticles: A Machine Learning Approach, Hakimeh Rakhshandeh, Ahmad Nasiraei, Hamid Riazi-Esfahani, Babak Masoomian, Fariba Ghassemi, Mojtaba Arjmand, Saeed Heidari Keshel, Fatemeh Atyabi, Rassoul Dinarvand
Non-Invasive Detection Of Choroidal Melanoma Via Tear-Derived Protein Corona On Gold Nanoparticles: A Machine Learning Approach, Hakimeh Rakhshandeh, Ahmad Nasiraei, Hamid Riazi-Esfahani, Babak Masoomian, Fariba Ghassemi, Mojtaba Arjmand, Saeed Heidari Keshel, Fatemeh Atyabi, Rassoul Dinarvand
Wills Eye Hospital Papers
This study investigates the feasibility of using tear sample analysis, based on protein corona formation on gold nanoparticles combined with electrospray ionization mass spectrometry (ESI-MS) and machine learning techniques, as a non-invasive approach for the detection of choroidal melanoma. The aim is to assess whether protein-nanoparticle interactions can support early and reliable identification of this ocular condition. Tear samples were collected using Schirmer strips from six healthy individuals and six patients diagnosed with choroidal melanoma, with subsequent augmentation to 18 samples per group. Gold nanoparticles (AuNPs, ~ 20 nm) were synthesized via citrate reduction and incubated with tear samples to …
Federal Court Vacates Nea Implementation Of Trump’S ‘Gender Ideology’ Ban, Arthur S. Leonard
Federal Court Vacates Nea Implementation Of Trump’S ‘Gender Ideology’ Ban, Arthur S. Leonard
Other Publications
No abstract provided.
Qualitative Evaluation Of Eeg Neurofeedback For Anxiety In Adults, Leah M. Jones
Qualitative Evaluation Of Eeg Neurofeedback For Anxiety In Adults, Leah M. Jones
Doctoral Dissertations and Projects
Anxiety is one of the most prevalent mental health disorders globally, yet many treatment options are inaccessible, ineffective for some, or lack long-term efficacy. One treatment for with substantial research support is neurofeedback, though it remains categorized as an experimental treatment and is underutilized in clinical practice. The qualitative phenomenological study explored the lived experiences of adults who received neurofeedback treatment for anxiety. The purpose was to understand participants’ perceptions of neurofeedback’s efficacy and the interactive effects of neurofeedback and psychotherapy. Data were collected from two Oregon clinics that offer Neurofeedback and from students at Liberty University. An open-ended survey …
Spartan Daily, September 25, 2025, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, September 25, 2025, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2025
Volume 165, Issue 15
Screening And Analysis Of Lactic Acid Bacteria With Anti- Helicobacter Pylori Activity, Wei Zicheng, Fan Liuping, Li Jinwei
Screening And Analysis Of Lactic Acid Bacteria With Anti- Helicobacter Pylori Activity, Wei Zicheng, Fan Liuping, Li Jinwei
Food and Machinery
Food packaging layout design, as the core element of visual communication, directly affects consumers' purchasing decisions. Based on the works receiving international design awards on food packaging, such as Pentawards, Dieline Award, Red Dot, and iF, fr
Improvement Of Stability Of Menthol-Loaded Oil-In-Water Emulsions With Gellan Gum, Wei Yulei, Gong Wei, Wang Zengyu, Yan Mingyi, Sun Jianhong, Zou Liqiang
Improvement Of Stability Of Menthol-Loaded Oil-In-Water Emulsions With Gellan Gum, Wei Yulei, Gong Wei, Wang Zengyu, Yan Mingyi, Sun Jianhong, Zou Liqiang
Food and Machinery
[Objective] To address the volatile and water-insoluble nature of menthol. [Methods] Various concentrations of gellan gum (ranging from 0% to 1% w/w) and whey protein isolate were adopted to formulate oil-in-water emulsions encapsulating menthol. The effects of gellan gum concentration on the emulsions ’ microstructure, particle size, zeta potential, menthol encapsulation efficiency, and interfacial rheological properties were examined. The enhancement effects of incorporating gellan gum on the pH stability, centrifugal stability, and storage stability of the menthol-loaded oil-in-water emulsions were elaborated. [Results] Gellan gum was adsorbed onto the emulsion droplet surfaces, forming a three-dimensional network within the aqueous phase and …
Effects Of Pullulanase Treatment On The Structure And Function Properties Of Waxy Corn Starch, Shi Xueping, Yu Fang, Jiang Caiyun
Effects Of Pullulanase Treatment On The Structure And Function Properties Of Waxy Corn Starch, Shi Xueping, Yu Fang, Jiang Caiyun
Food and Machinery
[Objective] To investigate the effects of pullulanase treatment on the structure and functionality of waxy corn starch, providing theoretical guidance for regulating starch debranching modification. [Methods] The effects of pullulanase treatment on the structure and functional properties of waxy corn starch are systematically studied using scanning electron microscopy, X-ray diffraction, relative molecular weight and distribution, apparent amylose content, and digestibility tests. [Results] Compared with untreated starch, after pullulanase treatment, starch solutions of different mass fraction rearrange to form a relatively ordered aggregated structure containing B-type crystallinity, with the relative crystallinity increasing from 2.70% to 22.67%. The resistant starch content increases …
Effect Of Preservation Methods On The Quality Of Fresh-Cut Potatoes, Wei Xinyi, Liu Shutao, Fang Ronghui
Effect Of Preservation Methods On The Quality Of Fresh-Cut Potatoes, Wei Xinyi, Liu Shutao, Fang Ronghui
Food and Machinery
[Objective] To obtain the best preservation technology of fresh-cut potatoes. [Methods] 'Dutch 15' potatoes were taken as the research object. The quality of fresh-cut potatoes under vacuum packaging (VP) and atmospheric PET packaging is evaluated after 72 hours of storage at 4 and 20℃. Parameters such as mass loss rate and hardness and changes in appearance and color are measured. The effects of immersion treatments with different concentrations of ascorbic acid (AsA) on the preservation of fresh-cut potatoes are investigated. Finally, the synergistic preservation effect of VP and 0.5 g/100 mL AsA on fresh-cut potatoes is evaluated. [Results] The combination …
Effect Of Composite Probiotic Tablet Candy On Oral Microbiome In Early Childhood Caries, Yu Xihua, Wang Yi, Li Liuruolan, Ren Yu, Cui Shumao, Xu Xianyin
Effect Of Composite Probiotic Tablet Candy On Oral Microbiome In Early Childhood Caries, Yu Xihua, Wang Yi, Li Liuruolan, Ren Yu, Cui Shumao, Xu Xianyin
Food and Machinery
[Objective] To investigate the effects of composite probiotic tablet candy containing Lacticaseibacillus rhamnosus CCFM 1070 and Ligilactobacillus salivarius CCFM 1215 on Streptococcus mutans levels and the microbial community structure in children with early childhood caries (ECC). [Methods] Forty-three ECC patients are randomly assigned to either a probiotic group (n=21) or a placebo group (n=22). Following standard dental treatment, a 4-week intervention is administered. Quantitative PCR (qPCR) and 16S rRNA sequencing are used to systematically analyze microbial dynamics in saliva and dental plaque at baseline (Day 0) and post-intervention (Day 28). [Results] Following the intervention, the levels of S. mutans in …
Regulatory Effect Of Procambarus Clarkii Shell Bioactive Peptides On Muscle Antioxidant Capacity And Circadian Rhythm Of Pelodiscus Sinensis, Yang Saijie, Li Honghui, Huang Chao, Yang Hucheng, Lei Yanli, Zhou Jie
Regulatory Effect Of Procambarus Clarkii Shell Bioactive Peptides On Muscle Antioxidant Capacity And Circadian Rhythm Of Pelodiscus Sinensis, Yang Saijie, Li Honghui, Huang Chao, Yang Hucheng, Lei Yanli, Zhou Jie
Food and Machinery
[Objective] To analyze the effects of Procambarus clarkii shell bioactive peptides (PCSBP) on the growth performance, muscle antioxidant capacity, and circadian rhythm related gene expression of Pelodiscus sinensis. [Methods] In this experiment, different concentrations (0.05%, 0.10%, 0.20%, and 0.50%) of PCSBP are added to the diets of P.sinensis for 70 days. The growth performance, muscle antioxidant capacity, and expression levels of circadian rhythm related genes are measured to preliminarily explore the regulatory effect of PCSBP on the muscle antioxidant capacity and circadian rhythm of P.sinensis. [Results] With the increase of PCSBP concentration in diets, the final body weight, weight gain …
Antioxidant And Anti-Inflammatory Activities And Molecular Mechanisms Of Procyanidin B 2, Yang Wenli, Qin Si, Lu Chenghao, Wang Yixue, Chen Shiyun
Antioxidant And Anti-Inflammatory Activities And Molecular Mechanisms Of Procyanidin B 2, Yang Wenli, Qin Si, Lu Chenghao, Wang Yixue, Chen Shiyun
Food and Machinery
[Objective] To explore the mechanism by which procyanidin B2 (PB2) intervenes in inflammation and insulin resistance (IR) through multi-target modulation. [Methods] The potential of PB 2 in diabetes prevention was evaluated via in vitro antioxidant assays, and molecular biology techniques were used to reveal the regulatory effect of PB 2 on the NF-κB inflammatory signaling pathway during the progression of IR. [Results] PB2 significantly reduced reactive oxygen species (ROS) levels in HepG 2 cells by scavenging free radicals and inhibited the expression of inflammatory factors IL-6, IL-1β, and TNF-α. By suppressing the JNK/NF-κB signaling cascade, PB2 blocked excessive ROS production, …
Comparison Of Antioxidant And Anti-Enteritis Activities Of Polyphenol Extracts From Acorn Powder Treated With Different Processes, Zhou Jie, Liu Menglin, Fu Xiangjin, Wang Yayi, Qin Dandan
Comparison Of Antioxidant And Anti-Enteritis Activities Of Polyphenol Extracts From Acorn Powder Treated With Different Processes, Zhou Jie, Liu Menglin, Fu Xiangjin, Wang Yayi, Qin Dandan
Food and Machinery
[Objective] To investigate the effects of different processes on the functional activity of polyphenols in acorn powder. [Methods] Three different types of acorns, namely acorns, Cyclobalanopsis, and Castanopsis sclerophylla, are used as raw materials to prepare acorn powder by water leaching and enzymatic hydrolysis methods. Polyphenols are extracted from acorns and acorn powder. Then, polyphenol extracts from acorn powder treated by different processes and from acorns are compared according to the aspects below: free radical scavenging activity, lipoxygenase (LOX) and cyclooxygenase-2 (COX-2) inhibition, as well as anti-intestinal inflammation activities. [Results] With relatively high free radical scavenging activity, the polyphenol extracts …
Key Process Optimization Of Vine Tea And Flavor Characteristics Of Finished Products, Deng Jian, Tang Zheng, Wan Ruizhi, Yao Maojun, Yu Ji
Key Process Optimization Of Vine Tea And Flavor Characteristics Of Finished Products, Deng Jian, Tang Zheng, Wan Ruizhi, Yao Maojun, Yu Ji
Food and Machinery
[Objective] To optimize the key process conditions for vine tea and confirm the flavor characteristics of its finished products. [Methods] The effect of de-enzyming time and power, as well as fermentation time and temperature on the quality of vine tea is analyzed through single-factor experiments and response surface experiments, with the flavonoid content and sensory score as evaluation indicators. The volatile aroma components in samples prepared by the optimized process are detected by the headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). [Results] The optimal process conditions for microwave de-enzyming are a de-enzyming time of 16 minutes, a power of 490 W, …
Leaching Process Optimization Of Tartary Buckwheat Tangerine Peel Vinegar And Its Antioxidant Activity, Wang Xiaojing, Wen Xuyang, Li Siyu
Leaching Process Optimization Of Tartary Buckwheat Tangerine Peel Vinegar And Its Antioxidant Activity, Wang Xiaojing, Wen Xuyang, Li Siyu
Food and Machinery
[Objective] To prepare Tartary buckwheat tangerine peel vinegar from the Tartary buckwheat fumigation obtained by traditional process, and to optimize the vinegar leaching process. [Methods] With the total acid, flavonoid, and polyphenol content as indices, the optimal vinegar leaching process is determined by three single-factor experiments (vinegar to liquid ratio, vinegar leaching temperature, and soaking time) and the response surface optimization experiments. Then, the antioxidant activity of the vinegar is analyzed. [Results] The optimal leaching process of Tartary buckwheat tangerine peel vinegar is as follows:solid-liquid ratio 1:1.5 (g/mL), and soaking for 4 hours at 80℃. Under these conditions, the total …