Dimension Of Resolving Administrative Punishment Disputes In The New 《Food Safety Law》,
2019
Yulin Uniersity, Yulin, Shaanxi 719000, China
Dimension Of Resolving Administrative Punishment Disputes In The New 《Food Safety Law》, An Yonghua
Food and Machinery
The provisions of the new Food Safety Law on administrative penalty have changed from individual-oriented to legal person-oriented, the intensity of punishment has increased and the number of punished objects for the same illegal act has increased, which is the institutional motivation for many administrative penalty disputes that did not exist before. In the practice of administrative penalties for food safety, the increasing possibility of abusing discretion by administrative supervision departments, the lack of operational rules and standards for administrative penalties, and the lack of scientific and unified hearing procedures are the practical mechanisms that may lead to administrative penalty …
Numerical Simulation Of Meshing Co-Rotating Twin Screw Extrusion Process Under Non-Isothermal Conditions,
2019
School of Material and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China; Plastic Beijing Municipal Key Laboratory of Health and Safety Quality Evaluation Technology, Beijing 100048, China
Numerical Simulation Of Meshing Co-Rotating Twin Screw Extrusion Process Under Non-Isothermal Conditions, Zhao Yulian, Li Xin, An Qi, Huang Zhigang
Food and Machinery
The SolidWorks 3D modeling software was used to construct the meshing co-rotating twin-screw physical model. By changing the rotational speed of the PLA processed by the screw extruder, the non-isothermal flow analysis was used to carry out the corresponding numerical simulation in the polyflow software. Compare the effect of speed on the processing of PLA. The numerical results show that under non-isothermal conditions, the temperature increases linearly in the direction from the inlet to the outlet, that is, in the extrusion direction. On the Z-axis section, the temperature gradually increases outward in the radial direction. By comparing the flow field …
Reserch On Simulation Of Flow Field In Main Press Section Of Single Screw Press Based On Fluent,
2019
School of Material and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China; Plastic Beijing Municipal Key Laboratory of Health and Safety Quality Evaluation Technology,Beijing 100048, China
Reserch On Simulation Of Flow Field In Main Press Section Of Single Screw Press Based On Fluent, Gu Jin, Huang Zhigang, Mi Guoqiang, Hu Shuzhen
Food and Machinery
In order to study the flow field distribution and variation law of the interaction between oil and screw in the chamber of a single screw press, a physical model of the screw press and the fluid field was established. In Fluent software, k-e model and SIMPLEC solver are used to solve the finite element simulation. The distribution of pressure field and velocity field of oil in the main pressing section is obtained. Through fluid-structure coupling analysis, the stress and deformation of the screw under oil extrusion are obtained, and the location where the screw is prone to large deformation and …
Study On The Performance Of Constant Temperature Drying Mode Of Multifunctional Heat Pump Drying Device,
2019
College of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China
Study On The Performance Of Constant Temperature Drying Mode Of Multifunctional Heat Pump Drying Device, Mu Huan, Tang Lan, Sun Yanhong
Food and Machinery
In order to promote the application of heat pump drying technology, a multifunctional heat pump drying device with heating was designed. The conventional drying, constant temperature drying, and various operating modes were refrigerated, and the corresponding experimental bench was set up to test the performance of the constant temperature drying mode. The air supply temperature of the heat pump drying device and the bypass rate of the drying medium were adjusted by the control system, and the drying experiment was carried out under different operating conditions to test the effects on the wet cotton cloth. The results showed that the …
Design Of The On-Line Continuous Cutting Equipment Foryoung Coconut,
2019
Guangdong Technical College of Water Resources and Electric Engineering, Guangzhou, Guangdong 510630, China
Design Of The On-Line Continuous Cutting Equipment Foryoung Coconut, Zhang Cong
Food and Machinery
The young coconut cutting technology was studied and the new automatic processing equipment was designed. The equipment could transport young coconuts with fixed spacing. In the process of operation, realized the synchronous cutting of the cylindrical surface and the conical top of the fruit and the cutting and separating of the ends. Finally the product was formed. The design scheme, key structural and technical principle of this device was also detailed. In the experiment, the young coconut with transverse diameter of φ150~160 mm was used as the processing object, and the products with cylindrical diameter of 130 mm and height …
Optimum Design And Analysis Of Yuba Cutting Tool,
2019
Suzhou Vocational and Technical College, Suzhou, Anhui 234000, China
Optimum Design And Analysis Of Yuba Cutting Tool, Du Changqiang, Xu Liangyuan
Food and Machinery
The Solidworks software is used to analyze the statics and modal of the circular cutter and the straight blade knife. In the same test condition, the mass and volume wear tests of circular and straight-edged cutting tools were carried out, and the data of stress, strain, displacement and wear about the two kinds of shape cutting tools in the operation were obtained. Through comprehensive analysis, it is found that the straight blade flat cutter has less wear and better stability, and is more suitable for continuous mechanized cutting. The straight blade flat cutter is preferably selected as the main cutting …
Germicidal Effects Of Ultraviolet On Condensed Milk Barrel And Its Dynamic,
2019
College of Biological and Food Engineering, Chuzhou University, Chuzhou, Anhui 239000, China
Germicidal Effects Of Ultraviolet On Condensed Milk Barrel And Its Dynamic, Zhang Weiwei, Sun Yanhui, Wei Haiyang, Jia Xiaoli, Liu Shulan, Gu Haiyang
Food and Machinery
An innovation UV irradiation device was used to detect the germicidal efficacy of UV irradiation on microorganisms inside the condensed milk barrel. In terms of germicidal rates, experiments were conducted to investigate the disinfecting feasibility and the effectiveness of ultraviolet under 60 experimental conditions, which were formed by 4×5×3 factorial combinations of radiant intensity, radiant time and radiant distance. The results indicated the germicidal rate was positively correlated with the radiant intensity, radiant time and radiant distance. Meanwhile, it was up to 99.9% for 90 second by UV irradiation in the same light with the radiant intensity above 90 μW/cm …
Analysis Of Packaging Design Elements Based On Eye Tracking Technology And Quantitation Theory,
2019
Packaging Design and Research Center of Zhengzhou University, Zhengzhou, Henan 450001, China
Analysis Of Packaging Design Elements Based On Eye Tracking Technology And Quantitation Theory, Zhang Yue, Hou Yadan, Li Hui
Food and Machinery
In order to design packaging that meets the consumer's perceptual needs, we use eye tracking technology and quantitation theory type I to study the key design factors that influence consumer emotions through eye movement indicators. The evaluation of kansei image of consumers is obtained through semantic difference method. The application of quantitation theory type I was used to establishes the relationship betweenkansei image and design elements and constructs mathematical models to auxiliary packaging design. The case study of tea packaging design shows that the method was accurate and feasible.
Preparation Of Kiwi Fruit Seed Oil Micro-Emulsion And Its Shelf Life Prediction,
2019
College of Chemistry and Chemical Engineering, Jishou University, Jishou, Hunan 416000, China
Preparation Of Kiwi Fruit Seed Oil Micro-Emulsion And Its Shelf Life Prediction, Cai Chengchen, Zhu Shiye, Xiong Wuguo, Li Jiaxing, Yi Qian, Wei Zilu
Food and Machinery
Taking kiwi fruit seed oil as raw material, the quasi three element phase diagram method was used to prepare the micro-emulsion and its stability was analyzed to predict its shelf life. For the purpose, the quasi-ternary phase diagram of kiwi fruit seed oil micro-emulsion in the presence of surfactant is 1,2-propylene glycol, preparation temperatures was 30 ℃ and different proportion of kiwi fruit seed oil to IPM, Tween 80 to Span 80 and Km value was constructed by calculating and comparing the size of the micro-emulsion area. Taking peroxide values(POV) as stability evaluation index, the antioxidant stability effects of kiwi …
Flavor Analysis Of The Turtle Source Marinated Egg And The Texture Variation Of The Egg White During Storage,
2019
School of Food Science and Technology, Wuxi, Jiangsu 214122, China; Jiangsu Xiangdao Food Co., Ltd., Xuzhou, Jiangsu 221699, China
Flavor Analysis Of The Turtle Source Marinated Egg And The Texture Variation Of The Egg White During Storage, Hua Xiao, Wang Yang, Du Hang, Shang Yuyong
Food and Machinery
In this study, marinated eggs were made by using the special turtle source featured of Xuzhou. Firstly, the flavor of the turtle source and the marinated eggs were investigated. In the boiled eggs, totally 36 flavor compounds of 13 categories were detected including alcohols, aldehydes, ketones and alkanes. In the marinated eggs made by spice powder, totally 71 flavor compounds were found and the ketones, aldehydes, furanes and esters were increased in different levels. The marinated eggs made by turtle source released 54 flavor compounds, whereby the contents of ketones, alcohols and pyrazines were higher in comparison to the boiled …
Study On Fresh-Keeping Effect Of Shrimp (Fenneropenaeus Chinensis) Based On The Synergistic Effect Of Fence Factor,
2019
Fujian Normal University Minnan Science Institute College of Life Science and Chemistry, Quanzhou, Fujian 362332, China
Study On Fresh-Keeping Effect Of Shrimp (Fenneropenaeus Chinensis) Based On The Synergistic Effect Of Fence Factor, Zhou Qiang, Liu Mengjia, Ding Liyun, Lei Changgui, Meng Yuzhu
Food and Machinery
Aiming at the problems of spoilage and blackening during the storage of Fenneropenaeus chinensis, using 1.5% chitosan (preservative and oxygen inhibitor), 0.1% sodium phytate (color-protecting agent) and low temperature treatment of fluidized ice as hurdle factors, the shrimps (15.0±1.0) g from Dongshan Port of Zhangzhou were stored at -4 ℃ synergistically, and the control group (-4 ℃) was set. Physicochemical and biological indexes, including volatile basic nitrogen content (TVB-N value), total numbers of the colony, brightness value, pH value, PPO, water holding capacity, and the elasticity during storage were investigated, and sensory evaluation was made to explore the effect of …
Preparation Of Water-Soluble Resveratrol/Hp-Β-Cd Microcapsule By Spray Drying Method,
2019
College of Material Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Preparation Of Water-Soluble Resveratrol/Hp-Β-Cd Microcapsule By Spray Drying Method, Tang Hongwei, Kuang Chuntao, Xiang Shu, Li Xiangzhou, Yang Ting, Yi Xiangguang
Food and Machinery
Hydroxypropyl-β-cyclodextrin (HP-β-CD) was used to improve water solubility of Res. The preparation conditions of Res/HP-β-CD microcapsule by spray drying method were optimized, and Res/HP-β-CD microcapsule was confirmed by UV, IR and SEM. The results showed that optimum preparation conditions of Res/HP-β-CD microcapsule were mass ratio of Res to HP-β-CD for 1∶5, stirring at 30 ℃, feed flow rate for 2.1 mL/min and inlet-air temperature for 140 ℃. The rate of drug-loading and the solubility of Res were 15.18% and 12.75 g/L, respectively, under the optimum conditions. UV, IR and SEM tests of Res/HP-β-CD microcapsule demonstrated that the aqueous solubility of …
Optimization On The Formula Of The Compound Vermicelli Frompurple Potato Starch By D-Optima Mixture Design,
2019
College of Food Science, Sichuan Agricultural University, Yaan, Sichuan 625014, China
Optimization On The Formula Of The Compound Vermicelli Frompurple Potato Starch By D-Optima Mixture Design, Zeng Xuedan, Zhang Can, Wang Zhangying, Jiang Guangyang, Shen Guanghui, Wu Hejun, Chen Anjun, Li Shanshan, Zhang Zhiqing
Food and Machinery
In order to optimize the quality of vermicelli of purple potato starch, the formula of five kinds of starch from purple potato, sweet potato, tapioca, potato and purple potato residue powder, were investigated with the D-optimal mixture design. The principal component analysis and dimensionless normalization method were used to comprehensively assess the quality of vermicelli from purple potato starch. During the mixture design experiment, the linear regression models were built based on the response values of the three synthesis scores of the texture characteristics (T1), cooking characteristics (T2) and sensory characteristics (T3). The results …
Progress Of Analytical Methods For Antibiotic Residues In Plant-Derived Food,
2019
Southwest University, Citrus Research Institute, Chongqing 400712, China
Progress Of Analytical Methods For Antibiotic Residues In Plant-Derived Food, Zhou Jie, An Jiao, Dong Chao, Zhao Jing, Zhang Yaohai, Jiao Bining
Food and Machinery
In order to assess the health risks of antibiotic exposure to humans, it is needed to establish the rapid screening and confirmation testing methods for antibiotic residues in plant samples. This paper briefly introduces the registration and limit standards of agricultural antibiotics in China, the origin and accumulation of antibiotics in plant-derived foods, especially the present pretreatment and detection techniques of antibiotic residues in plant-derived foods, and prospects the work in this field.
Miami Craft Brewery Collection,
2019
University of Miami
Miami Craft Brewery Collection, David Lanster
Library Research Scholars Program 2018-2019
The Miami food scene - including restaurants, breweries, bakeries, and distilleries - is in a state unlike any it has experienced before. Fueled by innovators in cuisine and tangible public excitement, it is an unprecedented time in terms of both quantity and quality for South Floridians to eat and drink. The Miami Craft Brewery Collection effort within the Special Collections hopes to document and celebrate the rise of Craft Brewing in Miami through the collection of brewery documents, advertising ephemera, bottles/labels, actual beer, and oral histories from prominent leaders in the field.
Removal Mechanisms Of Deoxynivalenol By Bacillus Natto 16-1 In Wheat Flour,
2019
College of Tourism and Culinary science Food science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
Removal Mechanisms Of Deoxynivalenol By Bacillus Natto 16-1 In Wheat Flour, Zhang Chen, Xu Huiqing, Cui Guiyou, Ding Xiangli, Hu Jian, Li Bo, Yu Xiaofan
Food and Machinery
This research was to investigate the efficacy and mechanisms of removal of deoxynivalenol (DON) in wheat flour by Bacillus natto 16-1 by ELISA and high performance liquid chromatography / tandem mass spectrometry (HPLC-MS). The results show that, after 5 hours of culture, the DON removal rates were above 53% in different concentrations of bacterial suspension, fermentation supernatant, bacterial lysis liquid, crude enzyme liquid and cell wall suspension. And there were significant differences among different concentrations of bacterial suspension treatments, and high concentration of cell wall suspension treatment of DON removal rate was up to 62.85%. After 10 hours of culture, …
Synergistic Effect And Mechanism Of Ε-Polylysine Hydrochloride And Nisin On Bacillus Cereus,
2019
School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Synergistic Effect And Mechanism Of Ε-Polylysine Hydrochloride And Nisin On Bacillus Cereus, Shi Wenyan, Sun Zhen
Food and Machinery
The bacteriostatic action and mechanism of both against Bacillus cereus were studied by using ε-polylysine hydrochloride and nisin alone and in combination. The alkaline phosphatase content, UV absorbing content, pyruvic acid content and SDS-PAGE gel electrophoresis were used as indicators to comprehensively evaluate the antibacterial activity of ε-polylysine hydrochloride and Nisin against Bacillus cereus. The results showed that ε-polylysine hydrochloride and Nisin had a synergistic inhibitory effect on Bacillus cereus. Nisin mainly destroyed cell wall membrane structure and increased the permeability of cell wall membrane, while ε-polylysine hydrochloride mainly affected the growth and metabolism of bacteria by affecting ATPase activity, …
Prediction Model Of Surface Heat Transfer Coefficient In Oil Frying Based On Dimensional Analysis,
2019
School of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou 550025, China
Prediction Model Of Surface Heat Transfer Coefficient In Oil Frying Based On Dimensional Analysis, Zhang Hongwen, He Laping, Deng Li, Li Cuiqin, Feng Lunyuan, Chen Cuicui, Yu Bingyan, Chang Rui
Food and Machinery
Based on the four dimensionless factors derived by dimensional analysis, the dimensionless prediction model for fluid-to-particle surface heat transfer coefficients (hfp) was fitted by multivariate regression analysis. After modified the model with the residual analysis method, the final corrected coefficient of determination values R2 reaches 0.973. Furthermore, the five groups of verification set data were used to verify the accuracy of the constructed model, the predicted value of the theoretical model had a high consistency with the calculated value of the measured data, and the average relative error was 2.79%. The research indicated that dimensional analysis combined with …
Anslysis Of Volatile Compounds From Colla Corii Asini By Hs-Spme-Gc-Ms Combined With Amdis,
2019
Inspection and Quarantine Technology Center, Zhongshan Entry-Exit Inspection and Quarantine Bureau, Zhongshan, Guangdong 528400, China; School of Public Health, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
Anslysis Of Volatile Compounds From Colla Corii Asini By Hs-Spme-Gc-Ms Combined With Amdis, Zhang Pengyun, Li Rong, Long Chunxia, Lin Shumian, Zhang Feng
Food and Machinery
A method for the determination of volatile compounds from Colla Corii Asini by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrome-try(GC-MS) combined with AMDIS was established.The total peak area and number of peaks of the volatile compounds were used as indices to optimize the different extraction conditions by single factor and orthogonal test. The results showed that the influence of extraction temperature was larger. The better extraction conditions were: the sample amount of 5 g, equilibration time 10 min, extracted for 50 min at 70 ℃ by 50/30 μm DVB/CAR/PDMS fiber and then desorbed 5 min. Under these conditions, …
Structural Design Optimization Of Built-In Vertical Clapboard For Rapeseed Fluidized Bed Dryer,
2019
Key Laboratory of Testing Technology for Manufacturing Process of Ministry of Education, Southwest University of Science and Technology, Mianyang, Sichuan 621010, China
Structural Design Optimization Of Built-In Vertical Clapboard For Rapeseed Fluidized Bed Dryer, Wang Cong, Zhang Jianping, Wang Yong, He Wang, Chen Hangyu
Food and Machinery
This study focused on the optimization of the structure of built-in vertical clapboard in the rapeseed fluidized bed dryer. Based on standard k-ε turbulence model and Euler two-fluid model, the number of region and the arrangement mode of clapboard was optimized through numerical simulation calculating software of Fluent. The results showed that the inhomogeneous three region clapboard was the best built-in vertical clapboard for rapeseed fluidized bed drying, enhancing the circulation of hot air, and reducing hot air accumulation in local areas. Finally, it realized the normal fluidization of gas-particle two-phase flow, and achieved the goal of uniform distribution of …
