Effects Of Slightly Acidic Electrolytic Water On Blueberry Sterilization Process And Storage Quality,
2022
College of Clinical Medicine, Hainan Vocational University of Science and Technology, Haikou, Hainan 571126 , China
Effects Of Slightly Acidic Electrolytic Water On Blueberry Sterilization Process And Storage Quality, Huang Liping, Jin Xueyuan, Li Yong, Xue Jing
Food and Machinery
Objective:To improve the preservation quality of blueberry.Methods:Based on the influencing factors of the effective chlorine concentration, treatment temperature and soaking time of the SAEW, and the response value of the microbial sterilization rate on the surface of blueberries, the orthogonal test was used to optimize the process conditions. At the same time, the optimally treated blueberries and sterile water-treated blueberries (control group) were stored at (25±1) ℃, and the bad fruit rate, hardness, respiration strength, soluble solids content, titratable acid content, anthocyanin content, and malondialdehyde (MDA) content of blueberries were measured every 7 days.Results:The optimal …
Protective Effects Of The Pea Ace Inhibitory Peptide On Induced Damage Of Ea.Hy.926 Cells,
2022
Food College, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319 , China ；Engineering Research Center of Ministry of Education for Grain By-product Processing and Utilization, Daqing, Heilongjiang 163319 , China
Protective Effects Of The Pea Ace Inhibitory Peptide On Induced Damage Of Ea.Hy.926 Cells, Zhang Shuo, Zheng Xiqun, Liu Xiaolan, Wang Juntong
Food and Machinery
Objective:This study aimed to realize the high-value utilization of pea protein.Methods:Using pea protein as raw material, ACE inhibitory peptide derived from pea protein was prepared by double-enzyme coordinated enzymatic hydrolysis method, and the ACE inhibition rate, hydrolysis degree and soluble protein content of the hydrolysate were used as indicators to determine the best enzymatic process for the pea ACE inhibitory peptide. Then the ACE inhibitory peptides produced under the optimal enzymatic digestion process were graded by ultrafiltration to explore the effect of molecular weight on the ACE inhibitory activity. Finally, the protective effect of the pea peptide with high ACE …
Safety Assessment Of Novel Foods And Food Proteins,
2022
University of Nebraska-Lincoln
Safety Assessment Of Novel Foods And Food Proteins, Niloofar Moghadam Maragheh
Department of Food Science and Technology: Dissertations, Theses, and Student Research
The global food market needs to grow and supply food demand to feed the growing world population. Alternative food proteins, including novel sources of safe foods and ingredients, are the candidates that could provide more environmentally sustainable choices, animal welfare, and consumers health. Novel foods and food proteins must undergo premarket safety evaluations including allergenicity assessment to reduce the risk of cross-reactivity with known allergens and uncharacterized risk to food allergic individuals. This research addressed the safety assessment of some novel foods and food ingredients using the study of stability of proteins in pepsin and sequence identity analysis in the …
Identification Of Gut Microbiome Composition Responsible For Gas Production,
2022
University of Nebraska-Lincoln
Identification Of Gut Microbiome Composition Responsible For Gas Production, Erasme Mutuyemungu
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Gas production remains a significant barrier to increasing intake of dietary fiber-containing foods for many consumers. Therefore, this thesis is comprised of two studies focusing on the role of the gut microbiome in contributing to gas production during fermentation of dietary components. Previous studies have reported significant correlations between Megasphaera elsdenii and gas production during fermentation of pulses. Therefore, the objective of the first study was to determine the role of M. elsdenii in gas production by the microbiome during fermentation of foods commonly associated with gas production. Human fecal microbiomes were separated based on the presence (Me+) or absence …
Workspace Simulation And Trajectory Planning Of Food Handling Robot,
2022
Industrial Manipulator Control and Reliability Technology Innovation Center of Hebei,Cangzhou, Hebei 061001 , China ；Industrial Manipulator Control and Reliability TechnologyInnovation Center of Cangzhou, Cangzhou, Hebei 061001 , China ；School of Electrical Engineering,Hebei University of Water Resources and Electric Engineering, Cangzhou, Hebei 061001 , China
Workspace Simulation And Trajectory Planning Of Food Handling Robot, Cai Guo-Qing, Hao Rui-Lin, Zhou Li-Jie, Shi Yan
Food and Machinery
Objective: Analyzed the workspace of 6-DOF food handling robot and planed the motion trajectory, so as to provide basis for the layout of food handling platform in workstation and the motion control of robot. Methods: Composition and structure of the robot were analyzed, the kinematics model was established, and the kinematics model was verified by MATLAB. Based on this, the workspace of the robot was modeled and solved, the working area of the robot was obtained, and the reasonable layout position of the food handling table was given; combined with the requirements of food handling task, a three-stage …
Effect Of The Electric Field Treatment On The Pullulanase-Catalyzed Hydrolysis Of Waxy Rice Starch,
2022
College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095 , China
Effect Of The Electric Field Treatment On The Pullulanase-Catalyzed Hydrolysis Of Waxy Rice Starch, Chen Cai-Wen, Tian Jia-Ning, Yu Kun-Zheng, Li Dan-Dan
Food and Machinery
Objective:This study aimed to classify the mechanism of pullulanase-catalyzed hydrolysis of waxy rice starch under electric field treatment, by monitoring the changes in hydrolysis efficiency, pullulanase activity, and the structure and properties of waxy rice starch. Methods:The hydrolysis efficiency was determined, and the structure and thermal properties of hydrolysates were characterized, by using scanning electron microscope, X-ray diffractometer, differential scanning calorimeterand rapid viscosity analyzer. Results:Under the control of the following conditions, electric field with intensities ≤2.5 V/cm could increase pullulanase activity, accelerate the hydrolysis, induce the pores and cracks on the granule surface, increase the relative crystallinity, …
Effects Of Microwave Aging On The Content Of Phenols,Organic Acids And Esters In Black Rice Wine,
2022
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023 , China
Effects Of Microwave Aging On The Content Of Phenols,Organic Acids And Esters In Black Rice Wine, Tang Lin-Yue, Yuan Jiang-Feng, Lai Yu-Ting, Gong Ming-Gui, Sun Jian-Rui
Food and Machinery
Objective:This study aimed to solve the problems of time consuming and high cost in the natural aging process. Methods: Black rice wine was treated with different microwave power, time and temperature. The contents of main phenols, organic acids, and esters in black rice wine treated by microwave technology were analyzed. Results: Microwave treatment could increase the contents of total esters, protocatechuic acid, gallic acid, syringic acid, acetic acid, ethyl valerate and ethyl acetate, reduce the contents of total phenols, total acids, caffeic acid, citric acid, tartaric acid, lactic acid and ethyl lactate, and have little effect on the contents …
Prediction Of Apple Sugar Content Based On Correlation Of Characteristic Gray Series In Darkroom System,
2022
College of Electronic Engineering & Artificial Intelligence, South China Agricultural University, Guangzhou, Guangdong 510642 , China
Prediction Of Apple Sugar Content Based On Correlation Of Characteristic Gray Series In Darkroom System, Ma Cheng-Tong, Li Jun-Wen, Ouyang Hao-Yi, Tan Sui-Yan, Yang Chu-Ping
Food and Machinery
Objective:In order to realize the detection of apple sugar content, a nondestructive prediction method of apple sugar content based on the characteristic gray series of apple reflection spot image in darkroom system is proposed. Methods:The laser with the peak wavelength of 670 nm absorbed by the apple was used as the illumination light source, which was incident from the illumination port of the integrating sphere. The apple sample was placed at the sample port of the integrating sphere, and the reflection spot of the apple sample was obtained at the measuring port of the integrating sphere. Through the …
Effect Of Microbial Nitrosation Inhibitors On The Formation Of Flavor Substances In Air-Dried Sausage,
2022
College of Food Science and Biotechnology, Tianjin Agricultural University, Tianjin 300384 , China
Effect Of Microbial Nitrosation Inhibitors On The Formation Of Flavor Substances In Air-Dried Sausage, Chen Yuan-Yuan, Ma Kai-Hua, Zhang Yu-Ting, Zheng Xiang-Fei, Zhang Xin-Yu, Ma Li-Zhen
Food and Machinery
Objective: To study the effects of microbial nitrification inhibitors on the formation and changes of flavors in air-dried sausages. Methods: Four groups of air-dried sausages were designed: MNI group: 0.05% of microbial nitrosation inhibitors (MNI) were added; MNIP group: 0.05% MNI and an inoculation of PRO-MIX5 commercial starter (Staphylococcus xylose, Lactobacillus sake,and L. plantarum) were added; FBFAP group: fermented beef flavorings and compound antioxidants were added, and the sausages were inoculated with the PRO-MIX5 commercial starter; and CK group: blank control (CK). The flavor of air-dried sausages was determined by an amino acid analyzer, Heracles iii ultra-fast gas phase electronic …
Analysis Of Volatile Components In Different Parts Of Lavender Based On Hs-Spme-Gc-Ms,
2022
College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, Xinjiang 830054 , China ；Xinjiang Institute of Analysis and Testing, Urumqi, Xinjiang 830011 , China
Analysis Of Volatile Components In Different Parts Of Lavender Based On Hs-Spme-Gc-Ms, Chen Guo-Tong, Lu Yun, Ma Ping-Ping, Fan Rui, Yang Zhong, Cao Xu
Food and Machinery
Objective: This study aimed to obtain the volatile components of different parts of lavender in natural condition and provide theoretical basis for quality evaluation and rational utilization of lavender varieties.Methods: Orthogonal experiment was used to optimize the headspace solid phase microextraction (HS-SPME-GC-MS) conditions, and the volatile components of the root, stem, leaf and flower of the representative lavender species France blue were analyzed under the optimal conditions.Results: The optimal conditions of HS-SPME were extraction time 60 min, equilibrium time 20 min and desorption time 5 min. Under the control of these conditions, a total of 36 chemical components …
Effect Of Tobacco Moisture Content On Releases Of Main Components In Heated Cigarette Aerosol,
2022
R&D Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, Yunnan 650231 , China ；Xiangtan University, Department of Environment and Resources, Xiangtan, Hunan 411105 , China
Effect Of Tobacco Moisture Content On Releases Of Main Components In Heated Cigarette Aerosol, Zhang Hu, Duan Yuan-Xing, Zhao Yang, Li Shi-Wei, Yang Liu
Food and Machinery
Objective: To investigate the effect of moisture content of heated cigarette on releases of aerosol main components. Methods: Three different types of heated cigarettes were used to study the effects of moisture content of cigarette sticks on the release of main aerosol components by gas chromatography. Results: ① The equilibrium humidity was a positive correlation between the moisture contents of tobacco materials and releases of total aerosol particulate matters. ② The moisture contents of heated cigarettes stored at different equilibrium humilities had a great effect on releases of glycerol and nicotine in aerosol, but a small effect on release of …
Effects Of Nacl Stress And Cacl2 Supplemental On Phenolic Accumulation And Antioxidant Activity In Common Vetch Sprouts,
2022
Beijing Key Laboratory of Functional Food from Plant Resources, College of Science and Nutritional Engineering, China Agricultural University, Beijing 100083 , China
Effects Of Nacl Stress And Cacl2 Supplemental On Phenolic Accumulation And Antioxidant Activity In Common Vetch Sprouts, Zhao Qi-Yan, Tang Ning, Zhao De-Chen, Zhang Bo-Ya, Cheng Yong-Qiang
Food and Machinery
Objective: The study aimed to develop the vegetable value of common vetch (CV) and explore the effects of salt solution on phenolic accumulation and antioxidant activity in CV sprouts.Methods: The effects of NaCl stress and supplemental CaCl2 on free and combined phenolic accumulation in CV sprouts were analysed by UPLC in comparison with pea sprouts, soybean sprouts and mung bean sprouts. The changes of key enzyme activities and gene relative expression levels of PAL, C4H and 4CL, antioxidant enzyme activities and antioxidant activities were investigated under NaCl and CaCl2 treatments.Results: The total phenolics increased from (10.63±0.40) mg GAE/g …
Rapid Determination Of Matrine And Oxymatrine In Honey,
2022
Hunan Provincial Institute of Product and Goods Quality Inspection, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410117 , China
Rapid Determination Of Matrine And Oxymatrine In Honey, Jing Hui-Hua, Xiang Jun, Jiang Deng-Hui, Feng Yan-Ying, Wang Yun-Hao, Wang Liang-Liang
Food and Machinery
Objective:This study aimed to establish a new method for the determination of matrine and oxymatrine in honey by UPLC-MS/MS. Methods: The honey was dissolved in water, and the liquid-liquid extraction pretreatment technology was adopted. The extraction was achieved using ammonia-acetonitrile, with the addition of sodium sulfate to induce a salting out effect. Chromatographic separation was achieved on Inspire HILIC column in the mobile phase composition of acetonitrile and 0.1% formic acid5 mmol/L ammonium acetate buffer. Mass Spectrometry was carried out under the multiple reaction monitoring (MRM) mode with positive electrospray ionization (ESI+) and external standard method for quantitative analysis. …
Determination Of Bongkrekic Acid In Auricularia Auricular Combined Quechers With Uhplc-Ms/Ms,
2022
Guizhou Testing Technology Research and Application Center, Guiyang, Guizhou 550014 , China
Determination Of Bongkrekic Acid In Auricularia Auricular Combined Quechers With Uhplc-Ms/Ms, Huang Yong-Qiao, Ma Kai, Wu Xin-Wen, Gao Liang, Jian Yin-Chi, Lu Yao, Yang Chang-Biao
Food and Machinery
Objective: A rapid method for determination of bongkrekic acid in Auricularia auricular was developed using QuEChERS in combination with UHPLC-MS/MS. Methods: In this study, Several important experimental parameters, including type of extraction solvent, extraction time, adsorbent type and adsorbent dosage were effectively optimized using spiked samples. The sample were shaken with methanol containing 1% ammonia water, and then carried out by the C18 adsorbent purification.Results: The bongkrekic acid was determined within 4 minutes by negative ion multiple reaction monitoring mode analysis and external standard method. The linear range was 0.05~10.00 ng/mL (r＞0.998 3). The limit of detection (LOD) was …
Determination Of 16 Kinds Of Polycyclic Aromatic Hydrocarbons In Spicy Strip By Quechers Gas Chromatography-Triple Quadrupole Mass,
2022
Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410000 , China ；Changsha County Inspection Center for Food and Drug Safety, Changsha, Hunan 410100 , China
Determination Of 16 Kinds Of Polycyclic Aromatic Hydrocarbons In Spicy Strip By Quechers Gas Chromatography-Triple Quadrupole Mass, Li Sha, Zeng Xi-Wen, Shen Rui, Li Yi-Wei, Tan Zhen
Food and Machinery
Objective:This study aimed to effectively improve the risk warning and quality and safety supervision of polycyclic aromatic hydrocarbons (PAHs) in spicy strip.Methods: The target compounds in the samples were extracted with acetonitrile and purified by QuEChERS, containing 100 mg N-propyl ethylenediamine (PSA), 100 mg octadecylsilane bonded silica gel (C18), and 1 000 mg neutral alumina adsorbent, and then were separated by DB-EUPAH column. It was detected by gas chromatography-triple quadrupole mass spectrometer with multiple reaction monitoring mode and matrix matching external standard method.Results: The 16 kinds of PAHs showed good linearity in the range of 0.005~0.500 μ …
Determination Of Four Kinds Of Illegally-Added Artificial Sweeteners In Syrups By High Performance Liquid Chromatography,
2022
Changsha Institute for Food and Drug Control, Changsha, Hunan 410008 , China
Determination Of Four Kinds Of Illegally-Added Artificial Sweeteners In Syrups By High Performance Liquid Chromatography, Zhong Fei-Fei, Lei De-Qing, Zhou Jin-Sha, Liu Bo, Wang Zi-Qing
Food and Machinery
Objective: A high performance liquid chromatography method was established for determination of four artificial sweeteners in syrups, i.e., acesulfame, saccharin sodium, aspartame and advantame.Methods:Acetonitrile was used as mobile phase A, and 0.02 mol/L ammonium dihydrogen phosphate (pH value adjusted to 5.5 by triethylamine) was used as mobile phase B. The gradient elution was conducted, with flow rate at 1.0 mL/min,and the column temperature was at 35 ℃; the detection wavelength was 214 nm, and sample size was 10 μL was loaded on the was Shiseido AQ-C18 column (4.6 mm×250 mm, 5 μm) A total of 45 …
Uncertainty Evaluation For The Determination Of Natural Capsaicin, Dihydrocapsaicin And Synthetic Capsaicin In Edible Oils And Fats By Lc-Ms/Ms,
2022
Administration for Market Regulation of Hunan Province Defective Product Recall Services Center, Changsha, Hunan 410111 , China
Uncertainty Evaluation For The Determination Of Natural Capsaicin, Dihydrocapsaicin And Synthetic Capsaicin In Edible Oils And Fats By Lc-Ms/Ms, Huang Hui, Liao Yan-Zhi
Food and Machinery
Objective: Uncertainty assessment of the content of synthetic capsaicin, natural capsaicin and dihydrocapsaicin in edible oils and fats by liquid chromatography-mass spectrometry was carried out, and the sources of uncertainty and the key factors affecting the test results were analyzed, so as to improve the accuracy of test results.Methods: To establish a mathematical model for the uncertainty of the content of synthetic capsaicin, natural capsaicin and dihydrocapsaicin in edible oils and fats, to analyze the factors that may introduce uncertainty in the detection process, and to evaluate each uncertainty component.Results: The contents of synthetic capsaicin, natural capsaicin and …
Discrimination Of Cigarette Based On Near-Infrared Spectroscopy Technology And Firefly Algorithm Optimized Support Vector Machine Parameters,
2022
Technology Center of China Tobacco Hubei Industry Limited-liability Company, Wuhan, Hubei 430040 , China
Discrimination Of Cigarette Based On Near-Infrared Spectroscopy Technology And Firefly Algorithm Optimized Support Vector Machine Parameters, Pan Xi, Li Ran, Wei Min, Wei Qing, Qiu Chang-Gui
Food and Machinery
Objective: In order to accurately and quickly discriminate cigarettes. Methods: After collecting the near-infrared spectra of different brands and reducing the interference factors through the spectral preprocessing method, the spectral pretreatment method, the population number of firefly algorithm (FA) and the number of iterations on the correct rate of cigarette classification were investigated by using firefly algorithm to optimize support vector machine (SVM) parameters. Results: The standard normal variable transformation (SNV) combined with the first derivative method (1D) was used for near-infrared spectroscopy preprocessing. Under the condition that the number of firefly populations was 20 and the number of iterations …
Principles Of Food Safety Regulation Transformation Under The Pursuit Of Co-Governance,
2022
Nanjing Audit University School of Law, Nanjing, Jiangsu 211800 , China
Principles Of Food Safety Regulation Transformation Under The Pursuit Of Co-Governance, Liang Jin-Gang, Qin Guo-Rong
Food and Machinery
Objective: This study aimend to explore the appropriate transformation path of regulatory power for food safety "social co-governance". Methods: The state of "social co-governance" mode of food safety was analyzed and the possible secondary risks of "decentralization" of regulatory authority were analyzed, so as to explain the rational transformation of regulatory authority. Results: The blind decentralization of regulatory power will cause the policy risks of governance loss and disorder, leading to greater food safety accidents. Conclusion: It is necessary to make clear the transformation of "strict supervision to refinement and flexibility", adhere to the transformation of "basic rights of social …
Optimization On Parameters Of Collecting And Sorting Device For Discarded Poultry Eggshells And Eggshell Membranes,
2022
College of Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030 , China
Optimization On Parameters Of Collecting And Sorting Device For Discarded Poultry Eggshells And Eggshell Membranes, Yang Yue-Bin, Chen Bo-Chao, Wang Ming-Jiu, Chi Yu-Jie, Chi Yuan
Food and Machinery
Objective:To efficiently exploited the discarded eggshells and eggshell membranes. Methods: The discarded eggshells was separated and collected. Used Fluent and EDEM coupling simulation to study the flow field characteristic and particles trajectory, which affected by structure parameters such as upper outlet diameter and lower outlet diameter of the collecting barrel. By analyzing flow field characteristic and capture rate of eggshells as well as eggshell membranes, the size of collecting barrel was optimized. The top angle, the vacuum of suction machine, the feeding inlet air velocity, the solid load of feeding inlet were used as the test factors. The recovery …
