Determination Of Bread Adsorption Isotherm And Comparison Of Determination Methods,
2021
Glyn O Philips Hydrocolloid Research Centre at HUT, Hubei University of Technology, Wuhan, Hubei 430068, China
Determination Of Bread Adsorption Isotherm And Comparison Of Determination Methods, Dong Lei, Xiao Man, Jiang Fa-Tang
Food and Machinery
Objective: This study focuses on investigating the effects of different methods on the determination of adsorption isotherm of bread and the relationship between moisture content and water activity of bread at 25 ℃. Methods: The water adsorption isotherms of bread at 25 ℃ and in the range of 0.100~0.902 water activity (AW) were measured by saturated salt solution method (SSS), dynamic water transfer analyzer (DWT) and dynamic vapor adsorption method (DVS), and then seven different kinds of adsorption models were used to fit the results. Results: The adsorption isotherm of the bread belongs to the II curve. Halsey …
The Effect Of Peeling Rate On The Nutrimental Composition, Antioxidant Capacity And Noodle Quality Of Tibetan No. 27 Highland Barley Flour,
2021
Tibet Academy of Agricultural and Animal Husbandry Sciences, Food Science Institute, Lasa, Tibet 850000, China
The Effect Of Peeling Rate On The Nutrimental Composition, Antioxidant Capacity And Noodle Quality Of Tibetan No. 27 Highland Barley Flour, Yan Ying-Ying, Meng Sheng-Ya, Zhang Wen-Hui
Food and Machinery
Objective: To explore the effect of peeling rate on the content of different nutrient active substances, antioxidant capacity, noodle quality and texture characteristics in Tibetan No. 27 highland barley flour. Methods: By controlling the peeling time, Tibetan No. 27 highland barley flour with different peeling rates could be obtained. The “National Food Safety Standard” and Megzyme kit were used to detect the content of fat, protein, minerals, dietary fiber and β-glucan and so on. Compared the effects of different peeling rates on the digestibility, antioxidant activity, noodle quality, and texture characteristics of Tibetan No. 27 highland barley flour. Results: ① …
Detection Of Lead Based On Fe3O4@C/[Bsmim]Hso4/Gce Sensor,
2021
Luoyang Pplytechnic, Luoyang, Henan 471099, China; Changyuan Cuisine Vocatinal and Technical College, Xinxiang, Henan 453400, China
Detection Of Lead Based On Fe3O4@C/[Bsmim]Hso4/Gce Sensor, Liu Xiao-Wei, Wang Wei-Hao, Gu Yuan-Nong, Wang Jing-Jing
Food and Machinery
Objective: Detect lead ions in water using Fe3O4@C/[BSMIM]HSO4/GCE. Methods: The Fe3O4@C that had core-shell structure was synthesized based on Fe3O4 which was compounded with 1-methyl-3-butanesulphonic acid imidazole bisulfate ionic liquid for preparing the Fe3O4@C/[BSMIM]HSO4 sensor that using the glassy carbon electrode as carrier. Results: The study found that Fe3O4@C had a good conductivity and dispersion. The Fe3O4@C/[BSMIM]HSO4/GCE has a good electrochemical stability and electrocatalytic activity. The quantitative analysis of lead ion in drinking water was done using the Fe3O4@C/[BSMIM]HSO4/GCE. The result showed that there was a good linear relationship between the concentration of lead ion and its oxidation peak current …
Analysis And Simulation Of Corn Vibrating Screen Based On Dem,
2021
Maritime Department of Henan Vocational and Technical College of Communications, Zhengzhou, Henan 450005, China
Analysis And Simulation Of Corn Vibrating Screen Based On Dem, Wang Bing
Food and Machinery
Objective: Analyze the movement of the material particles on the linear vibrating screen to optimize the mechanism of the linear vibrating screen. Methods: Based on the discrete element method, the EDEM software is used to simulate and analyze the movement of the material particles on the linear vibrating screen. In response to the stacking angle, the discrete element simulation parameters of the simulated material particles were calibrated in the form of batch processing. The SolidWorks software was used to establish the three-dimensional model of the linear vibrating screen, and the material falling height on the screen surface and the shape …
Design And Test Of The Grading System For Kernel-Free White Grapes With Support Vector Machine,
2021
College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China
Design And Test Of The Grading System For Kernel-Free White Grapes With Support Vector Machine, Li Ze-Ping, Guo Jun-Xian, Guo Yang, Li Xue-Lian, Zhang Liang-Liang, Huang Hua
Food and Machinery
Objective: A support vector machine （SVM）-based grading system for kernel-free white grape bunches was designed to counter the problems of low accuracy and efficiency of manual grading of kernel-free white grape bunches. Methods: The images were preprocessed using Gaussian filtering, edge detection, contour detection and other pre-processing methods, and the SVM model was used to extract the contour, color and other feature parameters of the kernel-free white grape bunches and compared the recognition effects under different parameters based on the SVM model. Results: It was shown that the best parameters of the model were Best c=2.00, Best g=0.24, coef （）=0 …
Microwave-Vacuum Drying Characteristics Of Kiwifruit Slice Based On Controlling Temperature,
2021
College of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi’an, Shaanxi 710062, China; National Research & Development Center of Apple Processing Technology, Xi’an, Shaanxi 710062, China; Engineering Research Center of High Value Utilization of Western China Fruit Resources, Ministry of Education, Xi’an, Shaanxi 710119, China
Microwave-Vacuum Drying Characteristics Of Kiwifruit Slice Based On Controlling Temperature, Song Shu-Jie, Huang Xue, Guo Yu-Rong
Food and Machinery
Objective: To improve the dry product quality and drying efficiency of kiwifruit slices (KS), the effects of microwave-vacuum drying conditions with controlling temperature on the drying characteristics of KS were studied and the drying kinetics model was established to predict the moisture change in the drying process. Methods: Using KS as raw materials, the effects were studied, including in different setting temperature, vacuum degree and microwave power density on the drying characteristics of KS and its effective moisture diffusion coefficient (EMDC) of water, and the activation energy was also calculated. With the R2, RMSE and χ2 as the evaluation …
Application Of Wireless Sensor Technology In Grain Storage Environment Monitoring,
2021
Wuxi Vocational College of Science and Technology, Wuxi, Jiangsu 214028, China
Application Of Wireless Sensor Technology In Grain Storage Environment Monitoring, Huang Xian, Chen Jia, Chen Ke-Xin
Food and Machinery
Objective: To solve the problems of low computational efficiency and poor energy-saving effect of routing algorithm in wireless sensor networks, a new routing protocol for wireless sensor networks is established. Methods: Based on the architecture of grain storage environment monitoring system, a node scheduling method based on node residual energy clustering was proposed for wireless sensor network for grain storage environment monitoring. The number of active nodes in the cluster was calculated from two aspects: network coverage and monitoring accuracy. The working nodes were determined according to the energy and distribution of nodes, and the performance and superiority of the …
Preparation And Adsorption Properties Of Microcrystalline Cellulose From Coffee Nut Shell,
2021
School of Instruments and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Preparation And Adsorption Properties Of Microcrystalline Cellulose From Coffee Nut Shell, Wang Shuo, Li Sen, Li Jia-Yi, Chen Yu, Luo Lei
Food and Machinery
Objective： This study focus on preparing microcrystalline cellulose with high adsorption capacityfromcoffee shells. Methods: Acid hydrolysis method was employed to prepare microcrystalline cellulose and the effects of acid hydrolysis time, acid hydrolysis temperature, percentage of acid and the ratio of material to solvent on the yield and adsorption capacity of microcrystalline cellulose were investigated. Furthermore, orthogonal experiment was taken to optimize the process parameters. Results: The optimum preparation conditions of coffee shell microcrystalline cellulose were as follows: acid hydrolysis time of 95 min, hydrochloric acid mass fraction of 16%, material to solvent ratio of 1∶22 （g/mL） and acid hydrolysis temperature …
Food Education Thought In Ancient China And Its Enlightenment To Primary And Secondary Schools,
2021
School of Marxism, Guilin University of Electronic Science and Technology, Guilin, Guangxi 541004, China
Food Education Thought In Ancient China And Its Enlightenment To Primary And Secondary Schools, Feng Shuo, Wang Luo
Food and Machinery
In our country, the health situation of primary and middle school students is becoming increasingly rigorous, but the food education is still in its infancy. It is urgent to develop the food education. The current situation of domestic and abroad food education research was summarized here, and then its enlightenment to modern middle and primary school food education was analyzed, from the three aspects including food etiquette, food nutrition and food cooking technology. Finally, the practice strategy was proposed, which included traditional etiquette education, traditional diet and nutrition collocation learning and traditional cooking techniques training.
Research Progress On The Effect Of Frozen Storage On Lipid Oxidation Of Aquatic Products,
2021
School of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Research Progress On The Effect Of Frozen Storage On Lipid Oxidation Of Aquatic Products, Yu Hui-Jie, Xie Jing
Food and Machinery
The harm of lipid oxidation on aquatic products during the freezing process, the endogenous and exogenous pro-oxidation factors that led to lipid oxidationwere reviewed. It summarized the current methods of delaying lipid oxidation, such as adding antioxidants, improving packaging and new technology, and pointed out that the technology which can not only control the lipid oxidation of aquatic products in the process of frozen storage but also realize industrial promotion is an urgent problem to be solved.
The Progress In Comprehensive Utilization Of Oil In By-Products Of Squid Processing,
2021
College of Life Science, China Jiliang University, Hangzhou, Zhejiang 310018, China
The Progress In Comprehensive Utilization Of Oil In By-Products Of Squid Processing, Ye Li-Zi, Li Jia, Pan Ying-Jie, Tang Ying-Qi
Food and Machinery
In the process of squid processing, a large number of by-products like viscera and cartilage are produced, which are rich in fat, protein and other nutrients. The research status and comprehensive utilization of oil from squid processing by-products were summarized in this review, from four aspects including biological activities, extraction, refining and microcapsulation. The development trend and research direction in the future were also prospected. In order to provide a theoretical reference for the further comprehensive development and utilization of oil in squid processing by-products and the rapid development of squid deep processing industry.
A Review On The Deep-Processing Of Tomato And The Utilization Of Its By-Products,
2021
Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China
A Review On The Deep-Processing Of Tomato And The Utilization Of Its By-Products, Li Ying-Hui, Wang Man-Sheng, Shi Jun-Ling, Qu Wen-Juan
Food and Machinery
A comprehensive summary and comparison were carried out on the recently reported results given the types and properties of functional compounds in tomato skin, seed, and residues, as well as the suitable methods and techniques. The processing characteristics of the nutrients in tomato processing by-products were obtained in aspects of lycopene, dietary fiber, oil, and protein and the suitability, properties, advantages and disadvantages of different processing methods and technologies. The problems and the perspectives in the extensive use of tomato by-products were also proposed and discussed.
Study On Carboxymethylated And Acetylated Modification Process Of Camellia Oleifera Seed Meal Polysaccharides And Its Hypoglycemic Activity,
2021
Guizhou Research Institute of Chemical Engineering, Guiyang, Guizhou 550002, China
Study On Carboxymethylated And Acetylated Modification Process Of Camellia Oleifera Seed Meal Polysaccharides And Its Hypoglycemic Activity, Yang Jian-An, Zhang Chao, Wen Yan-Bing, Fang Fang
Food and Machinery
Objective: To study the modification process of carboxymethylated Camellia Oleifera seed meal polysaccharide （CM-COP） and acetylated Camellia Oleifera seed meal polysaccharide （Ac-COP）, and to study their inhibitory effects on hyaluronidase. Methods: Using the degree of substitution as an index, the carboxymethylation and acetylation modification of Camellia Oleifera seed meal polysaccharide （COP） were carried out by sodium hydroxide-chloroacetic acid method and acetic anhydride method, respectively. Results: The best modification process for CM-COP was: sodium hydroxide concentration of 1.5 mol/L, reaction time of 3 h, reaction temperature of 60 ℃; Ac-COP best modification process is: acetic anhydride dosage 3.0 mL, reaction time …
Effect Of Sugar-Free Quinoa Addition On The Physicochemical Properties And Antioxidant Activity Of Fermented Milk,
2021
College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
Effect Of Sugar-Free Quinoa Addition On The Physicochemical Properties And Antioxidant Activity Of Fermented Milk, Zhang Yu, Wang Ying, Li Zhi-Fang, Wang Di, Zhang Yan-Li, Zhang Han
Food and Machinery
Objective: this study focuses on developing a kind of sugar-free fermented milk with beneficents to health. Methods: quinoa pulp was added to the reconstituted milk, with xylitol used to replace sucrose. The physicochemical properties, including acidity, viscosity, water holding capacity and in vitro antioxidant were measured to explore the effect of quinoa pulp on sugar free fermented milk. Results: the pH of fermented milk with quinoa pulp was higher than that of ordinary fermented milk, while the acidity, viscosity and water holding capacity were slightly lower than that of ordinary fermented milk. The DPPH radical scavenging rate (86.23%), ABTS radical …
Study On The Extraction Process Of Dihydromyricetin From The Combination Of Medicine And Food Homologous Materials,
2021
Food Institute of Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Study On The Extraction Process Of Dihydromyricetin From The Combination Of Medicine And Food Homologous Materials, Zhang Rong-Bin, Gao Wen-Ming, Dai Zhi-Yong, Li Meng-Yi, Chen Zhen-Gui, Ren Guo-Pu
Food and Machinery
Objective: The extraction process optimization study of dihydromyricetin in the combination of medicine and food homologous materials （Ampelopsis grossedentata 30%, mulberry leaf 15%, chrysanthemum 15%, reed root 10%, malt 10%, licorice 10% and light bamboo leaf 10%） was carried out to optimize its extraction process, in order to provide a scientific and theoretical reference for the development of medicine and food homologous materials and the production of extract powder. Methods: The times extractions was firstly investigated, and then the soaking time, water addition and extraction time were used as influencing factors to optimize the conditions for the extraction of dihydromyricetin …
Research Progress On Distribution Of Purine In Food And Cooking Process,
2021
School of Tourism and Culinary Science, Yangzhou University, Yangzhou, Jiangsu 225127, China
Research Progress On Distribution Of Purine In Food And Cooking Process, Chen Zhi-Yan
Food and Machinery
This paper summarizes purine distribution in foods, practices of inspection, degradation rate of purine in cooking process and low-purine foods, and the future development direction is also prospected, which to provide reasonable and scientific Diet Guidance to Gout patients.
Effects Of Microwave Power On Moisture Migration And Quality Of Persimmon Slices During Microwave Intermittent Drying,
2021
School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, China; School of Food and Bioengineering, Hezhou University, Hezhou, Guangxi 542899, China
Effects Of Microwave Power On Moisture Migration And Quality Of Persimmon Slices During Microwave Intermittent Drying, Qin Yan-Ting, Duan Zhen-Hua, Wei Zhen-Zhen, Zhou Si-Yun, Tang Xiao-Xian
Food and Machinery
Objective: The effects of microwave intermittent drying on water dynamics and microstructure of persimmon slices were studied. Methods: Different microwave power （280, 350, 420, 490 and 560 W） were selected to dry the persimmon slices intermittently. The moisture dynamics and migration of persimmon slices during drying were monitored, and the color, texture and microstructure of persimmon slices were analyzed. Results: There were three obvious water peaks corresponding to bound water （T21）, immobilized water T22） and free water （T23） in fresh persimmon. With the increase of drying time, the transverse relaxation time of immobilized water …
Research On Classification Of Liquor Hops Based On Convolution Neural Network,
2021
School of Automation and Information Engineering, Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China; Sichuan Key Laboratory of Artificial Intelligence, Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China
Research On Classification Of Liquor Hops Based On Convolution Neural Network, Pan Bin, Han Qiang, Yao Ya-Chuan
Food and Machinery
Objective: This study focuses on realizing the automatic classification of liquor flowers and then improving the real-time and stability of liquor picking. Methods: The machine vision combined with convolutional neural network was used to replace human eyes for liquor picking. Comparing with many image classification methods, the superiority of the improved algorithm was verified. Results: The results showed that the classification accuracy of the model based on the improved Vgg16 convolutional neural network plus transferring-learning method was up to 96.69%. Conclusion: This method can be used in the real-time classification of Baijiu hops stably.
Simultaneous Determination Of 19 Kinds Of Pesticide Residues In Eggs By Uhplc-Ms/Ms Based On Quechers,
2021
Changsha Environmental Protection Vocational and Technical College, Changsha, Hunan 410004, China
Simultaneous Determination Of 19 Kinds Of Pesticide Residues In Eggs By Uhplc-Ms/Ms Based On Quechers, Huang Xiao-Bo, Liu Wei-Ping
Food and Machinery
Objective: The aim is to establish a rapid, efficient and simultaneous detection method for various pesticide residues in eggs. Methods: QuEChERS combined with UHPLC-MS/MS was successfully used to detect 19 kinds of pesticide residues in eggs. Results: The limit of detection （LOD） and quantification （LOQ） of this method were （0.39±0.66） and （1.28±2.17） μg/kg, respectively. The recoveries of standard pesticides and relative standard deviations ranged from 79.25% to 102.14% and from 9.34% to 16.72%, respectively. Except for famoxadone, the correlation coefficients of linear equations for all pesticides were close to 0.999. The total frequency of 19 kinds of pesticides detected in …
Analysis Of Bacteria And Fungi Flora In The Processing Of Black Blending Powder,
2021
College of Food Science and Biological Engineering, Tianjin Agricultural University, Tianjin 300392, China; Tianjin Agricultural and Sideline Products Deep Processing Technology Engineering Center, Tianjin 300392, China
Analysis Of Bacteria And Fungi Flora In The Processing Of Black Blending Powder, Wang Ya-Fang, He Xin-Yi, Yu Zheng-Hong, Xu Tian-Tian, Wu Hai-Qing
Food and Machinery
Objective: The diversity of bacteria and fungi during the processing of black powder was analyzed by high-throughput sequencing technology. Methods: For each part of the workshop for the sampling, use the Nanodrop samples quality after PCR amplification, the data quality control, through the sequence splicing, filtering, and optimizing sequence, and then OTU clustering and comments were conducted. Results: The relative content of Curtobacterium in grain flushing and mixing powder was higher, and baking had little effect on bacteria. Irradiation had a noticeable effect on reducing bacteria, and brachybacter could be reduced by order of magnitude after irradiation. The analysis of …
