Effects Of O2/Co2 Active Modified Atmosphere Packaging On Storage Quality And Microstructure Of Postharvest Truffles,
2022
School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan 610106 , China
Effects Of O2/Co2 Active Modified Atmosphere Packaging On Storage Quality And Microstructure Of Postharvest Truffles, Jiang Fang-Guo, Hu Hai-Yang, Gong Xiao-Yuan, Liu Jie, Li Xiang
Food and Machinery
Objective:To find a new and effective fresh storage method for truffles.Methods:Set 80% O2+20% CO2 (AMAP1), 60% O2+40% CO2 (AMAP2), 40% O2+60% CO2 (AMAP3), 10% O2+90% CO2 (AMAP4) 4 air-conditioned groups and a control group of natural air without encapsulation (CK), stored at 4 ℃, regularly check the nutritional quality and physio-chemical indicators of truffles during storage, the microstructure of truffle fruit bodies was observed at 0, 14, 28 d.Results:The CK group spoiled rapidly within 7 days after harvest, and the quality dropped sharply. The truffles treated with AMAP4 had high weight loss and increased degradation …
Protein Changes Of Buffalo Meat During Low Temperature Storage,
2022
Schools of Biological and Chemical Engineering, Guangxi University of Science and Technology,Liuzhou, Guangxi 545006 , China ；Engineering Technology Research Center of Guangxi LiuzhouSnail Noodle, Liuzhou, Guangxi 545006 , China
Protein Changes Of Buffalo Meat During Low Temperature Storage, Qiu Jing, Qin De-Li, Liu Chun-You, Sun Ting-Guang, Luo Qi-Yong
Food and Machinery
Objective:The objective of this study is to investigate the protein changes mechanism of buffalo meat during low temperature storage.Methods:Buffalo meat samples were stored at 4, -18 and -60 ℃, respectively, and the contents of total protein, surface hydrophobicity, total sulfhydryl, free sulfhydryl and carbonyl values were determined, following the analysis of the correlation among those protein indicators. Results:The results showed that the contents of total protein, total sulfhydryl and free sulfhydryl of buffalo meat decreased, with the extension of storage time, while the surface hydrophobicity and carbonyl value of buffalo meat increased. The protein oxidation increased …
Phase Field Simulation Of The Effect From Electrostatic Field On Frozen Food Ice Crystal Growth,
2022
School of Energy and Civil Engineering, Harbin University of Commerce, Harbin, Heilongjiang 150028 , China
Phase Field Simulation Of The Effect From Electrostatic Field On Frozen Food Ice Crystal Growth, Zhen Bing, Su Ge-Yi, Zhang Xue, Sun Hui-Lei
Food and Machinery
Objective:In order to explore the effect of an external electrostatic field on the growth of ice crystals during food freezing.Methods:Based on the classic Kobayashi model of phase field method, the free energy density of electric field was introduced into the phase field model. Used the five-point difference scheme in the finite difference method to discretize the partial differential equation, the simulation and visualization of ice crystal growth were realized by programming.Results:The results showed that the simulation results were consistent with other simulation results and experimental results, and the ice crystal morphology had a typical sixfold …
Research On Tomato Maturity Detection Method Based On Machine Vision And Electronic Nose Fusion,
2022
Hubei Vocational and Technical College, Xiaogan, Hubei 432000 , China
Research On Tomato Maturity Detection Method Based On Machine Vision And Electronic Nose Fusion, Wang Jun-Ping, Xu Gang
Food and Machinery
Objective:To explore the application ability of machine vision and electronic nose fusion method in fruit and vegetable maturity detection, and realize the detection of different maturity of tomato.Methods:Based on machine vision and electronic nose acquisition system, a tomato maturity detection method based on multi-source information fusion was proposed. Based on 6 color features screened by machine vision and 10 odor features screened by electronic nose, the least squares support vector machine model for tomato maturity detection was established. The feasibility of this method is verified by comparing the fusion method with single method.Results:Compared with the …
Egg Crack Image Detection Method Based On Improved Grasshopper Optimization Algorithm And Canny Operator,
2022
Xinjiang Hami Radio and Television University, Hami, Xinjiang 839000 , China
Egg Crack Image Detection Method Based On Improved Grasshopper Optimization Algorithm And Canny Operator, Tu Wei-Hu, Cai Ling-Xia, Li Xue-Jun
Food and Machinery
Objective:In order to improve the detection effect of egg linear and reticular cracks.Methods:As the low convergence efficiency of Grasshopper optimization algorithm (GOA) in solving high-dimensional complex optimization problems, an improved fuzzy cmeans algorithm (FCM) was designed to classify locust population. The adaptive extreme value reverse learning and coding mutation update mechanism were designed to expand the depth search space and global optimization ability of the algorithm. The improved GOA was used to optimize the parameters, and the improved canny operator was used for egg crack detection.Results:The results showed that the missed detection rates of egg …
Effects Of Different Storage Conditions On The Quality Of Sweet Potato Leaf Pickles,
2022
School of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023 , China ；Luoyang Engineering and Technology Research Center of Microbial Fermentation, Luoyang, Henan 471023 , China
Effects Of Different Storage Conditions On The Quality Of Sweet Potato Leaf Pickles, Liu Xi-Ming, He Jia, Rui Peng
Food and Machinery
Objective:This study aimed to explore the preservation conditions and quality changes of sweet potato leaf sauerkraut fermented by lactic acid bacteria.Methods:After vacuum packaging, the pH value, lactic acid content, nitrite content, colony number, color difference and sensory score of sweet potato leaves were compared under four different kinds of storage conditions, including 25 ℃ at room temperature, 4 ℃ at low temperature, 4 ℃ after pasteurization at 80 ℃-15 min, and 4 ℃ after pasteurization at 85 ℃-10 min.Results:When stored at 25 ℃, the luminance decreased the fastest, and the color became darker at 60 …
Refining Isoflavones From Puerariae Flos And Its In Vitro Lipid-Lowering Activity,
2022
Food and Biological Technology College, Changchun Vocational Institute of Technology, Changchun, Jilin 130033 , China
Refining Isoflavones From Puerariae Flos And Its In Vitro Lipid-Lowering Activity, Wu Wei, Li Qun, Song Di, Sun Ming-Zhe
Food and Machinery
Objective:The refining parameters of isoflavones from Puerariae flos were optimized by using HPD-100 macroporous adsorption resin, and its in vitro lipid-lowering effects were evaluated. Methods:The optimized refine parameters of isoflavones from Puerariae flos were studied by macroporous adsorption resin, and the lipid-lowering effects of isoflavones from Puerariae flos were evaluated by pancreatic lipase enzyme activity, pancreatic cholesterol esterase enzyme activity and micellar cholesterol solubility. Results:Adsorption parameters: Puerariae flos isoflavones were adsorbed with concentration of 100 mg/mL, pH 6.0 and upper column volume of 20 mL. Desorption parameters: the adsorption resins were washed by 70% ethanol with pH …
Preparation And Response Surface Optimization Of Cinnamaldehyde Liposome By Ethanol Injection,
2022
School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xiʼan,Shaanxi 710021 , China
Preparation And Response Surface Optimization Of Cinnamaldehyde Liposome By Ethanol Injection, Chang Da-Wei, Yan Jin, Lei Qi, Wang Hu-Xuan, Wang Huan
Food and Machinery
Objective:Cinnamaldehyde was encapsulated in the liposome.Methods:Cinnamaldehyde was selected as the research object and the cinnamaldehyde liposomes were prepared by ethanol injection method. The effects of phospholipid concentration, ratio of phospholipid to cholesterol, ratio of phospholipid to cinnamaldehyde and injection velocity on the encapsulation efficiency, particle size and polydispersity index (PDI) of cinnamaldehyde liposomes were investigated, and the process was optimized by response surface method with the encapsulation efficiency as the index.Results:The optimum preparation conditions of cinnamaldehyde liposomes were as follows: the phospholipid concentration was 2.69 mg/mL, the ratio of phospholipid to cinnamaldehyde was 6.73, and …
Study On Visual Judgment Method Of Fermentation Degree In Industrialized Bread Production Based On Bp Neural Network,
2022
College of Mechanical and Electrical Engineering, Fujian Agriculture and ForestryUniversity, Fuzhou, Fujian 350000 , China
Study On Visual Judgment Method Of Fermentation Degree In Industrialized Bread Production Based On Bp Neural Network, Zhao Chun, Chen Xue-Yong, Wu Shao-Shuang, Pang Jie
Food and Machinery
Objective:A BP neural network model was established to accurately determine the maturity of dough fermentation.Methods:Used machine vision technology to collect and process the pictures of bread fermentation process, obtained the quantitative information of the pictures, and a prediction model was established for bread fermentation degree based on BP neural network. Taking the time, area, instantaneous velocity, expansion rate, gray value energy, gray value relationship, gray value uniformity and gray value contrast as the input neurons, the regression model of relevant parameters was established.Results:The correlation between the above characteristic parameters and the fermentation process of bread …
Liquor Blending Control Based On Variable Universe Fuzzy-Smith Modle,
2022
School of Automation and Information Engineering, School of Automation and Information Engineering, Yibin, Sichuan 644000 , China ；Sichuan Provincial Key Laboratory of Artificial Intelligence, Yibin, Sichuan 644000 , China
Liquor Blending Control Based On Variable Universe Fuzzy-Smith Modle, Zhou Yong-Shuai, Tuo Xian-Guo, Han Qiang, Liu Xin
Food and Machinery
Objective:Meets the requirements of no overshoot in the response of the liquor blending control system, and eliminate the influence of system time lag on its control effect.Methods:An algorithm of liquor blending control based on variable universe fuzzy-Smith was proposed. Analyzed the control process and characteristics of the system and establish an approximate mathematical model. Quoting Smith predictor to compensate for the time lag in the system, utilizing the characteristics of fuzzy control to solve the problem of inaccurate system mathematics model, combined with the variable universe method to eliminate the shortcomings of conventional fuzzy control method with …
Study On Preparation Of High Purity 1,3-Diglyceride From Yanhuang Beef Tallow,
2022
College of Agriculture, Yanbian University, Yanji, Jilin 133002 , China
Study On Preparation Of High Purity 1,3-Diglyceride From Yanhuang Beef Tallow, Qu Ke-Xin, Gao Qing-Shan, Yao Hui-Yao, Liu Long-Long, Zhang Hua, Li Xuan-Jun
Food and Machinery
Objective:This study aimed to increase the added value of Yanbian yellow cattle fat.Methods:Using immobilized lipase Lipozyme RM IM as a catalyst, and tallow fatty acid ethyl ester (self-made by ethanol hydrolysis) and glycerol as raw materials to prepare 1,3-diglyceride, using nuclear magnetic resonance to investigate the effect of lipase addition, substrate molar ratio, reaction time and reaction temperature on the content of 1,3-diglyceride in the crude reaction mixture. The changes in fatty acid composition of the tallow and diglyceride products was clarified before and after the alcoholysis and transesterification.Results:The best conditions for the synthesis of …
Study On Microwave Heating On Nutrition And Flavor Composition Of Crayfish,
2022
College of Life and Environmental Sciences, Hunan University of Arts and Science, Changde, Hunan 415000 , China ；Hunan Provincial Collaborative Innovation Center for Efficient and Health Production of Fisheries, Changde, Hunan 415000 , China ；Hunan Provincial Key Laboratory for Health Aquaculture and Product Processing in Dongting Lake Area, Changde, Hunan 415000 , China ；Hunan Provincial Key Laboratory for Molecular Immunity Technology of Aquatic Animal Diseases, Changde, Hunan 415000 , China ；Changde Research Center for Agricultural Biomacromolecule, Changde, Hunan 415000 , China
Study On Microwave Heating On Nutrition And Flavor Composition Of Crayfish, Xu Wen-Si, Yang Qi-Fu, Zhao Zi-Long, Yan Ming-Zhu, Wu Shuang-Qing, Wang Yan, Yang Pin-Hong
Food and Machinery
Objective:The effect of microwave heating on nutrition and flavor composition of crayfish was investigated.Methods:After pre-treatment, the nutrition and flavor changes of crayfish without microwave treatment, 210 W microwave and 350 W microwave treatment for 5 min were analyzed respectively.Results:The results showed that low power microwave treatment did not significant affect the crayfish water content, which was obvious loss under the condition of 350 W microwave. In dry samples, the microwave power had no significant effect in crude ash, while the total sugar and crude fat was affected with a decrease tendency. However, the microwave power …
Analysis On The Difference Of Metabolites Of Naked Oats From Different Produced Areas,
2022
College of Food Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319 , China
Analysis On The Difference Of Metabolites Of Naked Oats From Different Produced Areas, Dai An-Na, Zhang Li-Yuan, Min Guang-Liu, Yu Run-Zhong
Food and Machinery
Objective:Zhangjiakou naked oats in Hebei province (HZ) and Qiqihar naked oats in Heilongjiang province (HQ) were selected as the research objects. The metabolites and differential metabolites of naked oats of the same variety in different regions were explored.Methods:Metabolomics research methods were used as the basis. Methanol was used to extract polar metabolic components, with Bis(trimethylsilyl)trifluoroacetamide (BSTFA) selected for derivatization, and the metabolites were determined through GC-MS technology and the NIST database.Results:A total of 56 kinds of metabolites were detected, including various carbohydrates and a small amount of secondary metabolites, in which HZ accounted for 38 …
Research On Organic Food Traceability System Based On Blockchain Technology,
2022
School of Computer and Information Engineering, Harbin University of Commerce, Harbin,Heilongjiang 150028 , China ；Heilongjiang Cultural Big Data Theory Application Research Center, Harbin,Heilongjiang 150028 , China
Research On Organic Food Traceability System Based On Blockchain Technology, Li Jian-Jun, Fang-Yuan, Yang Yu, Yang Fang
Food and Machinery
Through the application of blockchain technology to the construction of the organic food traceability system, the use of blockchain technology features such as decentralization, tamper-proof modification, and security insufficient network integration and inconsistent technical standards, combined with the construction of the organic food traceability system, proposed a sound organic food traceability safety system, perfect organic food traceability credit system, optimization of blockchain and organic food internet of things integration, and the establishment of a unified standard countermeasures and suggestions for organic food traceability standards.
Intelligent Sorting Equipment And System Design Of Seafood,
2022
School of Mechanical Engineering and Automation, Dalian Polytechnic University, Dalian, Liaoning 116034 , China
Intelligent Sorting Equipment And System Design Of Seafood, Jin Zong-Yi, Tao Xue-Heng, Jin Yan, Feng Yi-Ran, Wang Hui-Hui, Zhang Xu
Food and Machinery
Objective:Aiming at the present situation of low efficiency, low accuracy and high cost in the sorting and processing of fishery industry in China, the intelligent sorting equipment and system of seafood based on robot was developed.Methods:Using the combination of intelligent robot and traditional machinery to develop a new mechanical structure to classify seafood, an intelligent recognition technology based on machine vision was used to classify seafood (the improved novel Faster R-CNN algorithm was adopted for seafood), and an equipment system that could automatically sort seafood intelligently, efficiently was constructed.Results:The improved novel Faster R-CNN algorithm has …
Trajectory Planning Method Of Food Sorting Robot Based On Improved Nurbs Curve Interpolation Algorithm,
2022
Shenyang Vocational and Technical College, Shenyang, Liaoning 110045 , China
Trajectory Planning Method Of Food Sorting Robot Based On Improved Nurbs Curve Interpolation Algorithm, Yao Xue-Feng, Li Chao
Food and Machinery
Objective:In order to better plan the motion trajectory of the food sorting robot, reduce its vibration amplitude, and enable the food sorting robot to complete the task with high precision.Methods:Based on the delta parallel robot, combined with NURBS curve interpolation algorithm and improved genetic algorithm, a path planning method of food sorting robot aiming at the optimal motion time was proposed. The NURBS curve was optimized by improved genetic algorithm. The feasibility of the optimization method was verified by the comparative analysis before and after optimization through simulation.Results:Compared with before optimization, the proposed optimization method …
Dynamic Target Grasping Control Method Of Food Sorting Robot Based On Improved Particle Swarm Optimization,
2022
Anhui Science and Technology Trade School, Bengbu, Anhui 233080 , China
Dynamic Target Grasping Control Method Of Food Sorting Robot Based On Improved Particle Swarm Optimization, Wang Min, Jiang Jin-Wei, Cao Yan-Tao
Food and Machinery
Objective:To solve the problems of unstable grasping operation and low sorting efficiency of sorting robot in food production line.Methods:Based on the architecture of high-speed parallel food sorting robot, a multi-objective motion optimization strategy based on improved particle swarm optimization algorithm was proposed for the dynamic target grasping control method of food sorting robot. By coordinating the grasping sequence and sorting trajectory, the shortest path model was established. Establish the mechanism stability optimization model with the end acceleration, and optimized the target by improving the particle swarm optimization algorithm.Results:Through experimental verification, when the conveying speed was …
Study On Overall Construction Scheme Of Intelligent Kitchen System,
2022
Quartermaster Equipment Research Institute, Academy of Military Sciences PLA China, Beijing 100010 , China
Study On Overall Construction Scheme Of Intelligent Kitchen System, Wang Qiao, Liu Yong-Xin, Meng Jia
Food and Machinery
This paper located and planned the construction of the smart kitchen from the global and systematic levels, and put forward the overall functional framework of the construction of the smart kitchen system. Relying on the development status of existing kitchen equipment and from the aspects of basic selection principle, intelligent grade division and intelligent selection principle, the overall scheme of selection and upgrading of kitchen equipment was given in order to give full play to the functions of kitchen and effectively solve the pain points of traditional kitchen. Finally, the hot issues in the future development of intelligent kitchen system …
Design And Experiment Of Coconut Meat Digge,
2022
Mechanical and Electrical Engineering College, Hainan University, Haikou, Hainan 570228 , China
Design And Experiment Of Coconut Meat Digge, Zeng Wen-Zhang, Fan Jun-Qing, Zhang Bao-Zhen
Food and Machinery
Objective:To solve the problems of low automation level and low security of coconut meat digging machine in China.Methods:The coconut meat extraction device was designed by using several mutually fitting curved blade, electric push rod, compression spring, crank and rocker mechanism, pressure sensor and other mechanisms, and the automatic control system was designed according to the process of coconut meat digger, the coconut meat digger run stably.Results:The experimental device of coconut meat extraction can operate safely and stably, when the rotating motor speed was 130 r/min and the lifting motor speed was 150 r/min, and the …
Cigarette Stem Identification And Location Method Based On Improved Yolov3 Network,
2022
North China University of Water Resources and Electric Power, Zhengzhou, Henan 450011 , China
Cigarette Stem Identification And Location Method Based On Improved Yolov3 Network, Liu Xin-Yu, Hao Tong-Meng, Zhang Hong-Tao, Lu Xin-Yan
Food and Machinery
Objective:In order to realize the intelligent grasping of tobacco stem in tobacco grading process, prevent the manipulator in the intelligent tobacco grading system from damaging the leaf surface during grasping tobacco leaves, and reduce the manual operation in the production of intelligent tobacco grading equipment.Methods:An automatic tobacco stem identification and location model based on improved YOLOv3 convolution neural network was proposed for the identification and classification of single tobacco leaf and the storage of corresponding single tobacco leaf in tobacco grading system. The model changed the structure of the unit module and introduced the attention mechanism module …
