Fruit Identification Using Improved Faster R-Cnn Model,
2023
Shanxi Vocational College of Tourism, Taiyuan, Shanxi 030031, China
Fruit Identification Using Improved Faster R-Cnn Model, Jian Yanping, Sang Yanli, Li Yueru
Food and Machinery
Objective: To improve the identification accuracy of fruit categories. Methods: An identification method for fruit categories was established based on an improved Faster regional convolutional neural network （Faster R-CNN） model. Firstly, the regularization method was used to attenuate the weight of some high-dimensional parameters to effectively solve the over-fitting problem that may occur in the training process. Then, two loss functions, a likelihood function and a regularization function, were added to the Faster R-CNN framework to optimize the convolution layer and the pooling layer. Additionally, the least square method was utilized to solve the objective function of fruit recognition. Finally, …
Research On Moulded Peanut Recognition Technology Based On Deep Learning,
2023
Henan College of Transportation, Zhengzhou, Henan 451460, China
Research On Moulded Peanut Recognition Technology Based On Deep Learning, Wang Weina, Xu Shiwei, Deng Qinbo, Li Bo
Food and Machinery
Objective: To identify mouldy peanuts in a fast and non-destructive way and improve the identification efficiency. Methods: Collected hyperspectral peanut data using a spectrometer, identify moldy peanuts using deep learning technology, and established a Hypernet PRMF model, which was compared with Deeplab v3+, Segnet, Unet, and Hypernet as control models. Integrated the proposed peanut recognition index into hyperspectral images as data feature pre extraction. Simultaneously integrating the constructed multi feature fusion blocks into the control model to improve the recognition efficiency of moldy peanuts. Results: The average pixel accuracy of all models exceeded 87%. the Hypernet-PRMF model had the highest …
Study On Flash Extraction Technology And Antioxidant Activity Of Polysaccharides From Fresh Lentinus Edodes Stalk,
2023
College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450000, China
Study On Flash Extraction Technology And Antioxidant Activity Of Polysaccharides From Fresh Lentinus Edodes Stalk, Shi Guoqing, Yang Linxiao, Li Meijuan, Kong Na, Jia Huanhuan, Shi Li
Food and Machinery
Objective: Develop the industrial production of Lentinus edodes stalk polysaccharides. Methods: Using the yield of polysaccharides as an indicator, uniform design experiments were used to optimize the extraction process parameters. Four methods were used to determine the antioxidant activity of polysaccharides and compared with the traditional hot water extraction method. Results: The optimal process conditions for the flash-assisted extraction of Lentinus edodes stalk polysaccharides were as follows: flash extraction time 120 s, ratio of liquid to material 40∶1 （mL/g）, hot water extraction time 105min, temperature 50 ℃, extraction twice. Under these conditions, the yield of polysaccharides was （5.03±0.22）%, which was …
Experimental Study On The Assisted Hypolipidemic Function Of The Mixture Between Hemp Seed Oil And Algae Oil In The Human Body,
2023
Infinitus 〔China〕 Company Ltd., Guangzhou, Guangdong 510405, China
Experimental Study On The Assisted Hypolipidemic Function Of The Mixture Between Hemp Seed Oil And Algae Oil In The Human Body, Chen Zehua, Li Hongying, Zhou Yong, Li Wenzhi
Food and Machinery
Objective： To study the effect of hemp seed and algal oil mixture in lowering blood lipids, and provide the theoretical basis for the utilization of hemp seed and algal oil mixture in food. Methods: 113 hyperlipidemia adult volunteers were selected and randomly divided into two groups, namely the experiment group and the control group. The subjects in the experiment group were given gelatinized confections for 90 days, while subjects in the control group were given a placebo. The levels of Serum total cholesterol(TC), Triglyceride(TG), High-density lipoprotein cholesterol(HDL-C), Low-density lipoprotein cholesterol(LDL-C)and physiological and biochemical parameters were measured before and after trial. …
Application Of Acanthopanax Senticosus In Functional Food In China,
2023
Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, China
Application Of Acanthopanax Senticosus In Functional Food In China, Yu Chunmiao, Liao Xian, Yu Miaomiao, Guo Lidong, Yu Donghua
Food and Machinery
This review mainly expounds the basis and application status of Acanthopanax senticosus in Chinese health food, summarizes the research progress related to its health function, and looks forward to its future development direction.
Advances In The Detection Of Water Content Of Plant-Based Food Materials,
2023
China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei 430000, China
Advances In The Detection Of Water Content Of Plant-Based Food Materials, Wang Lejun, Xing Youcheng, Niu Yanli, Chen Kai, Jiang Fatang
Food and Machinery
This reviewed summarized the research status of water content detection methods of plant-based food materials, analyzed the water content detection devices, advantages, disadvantages and applications, and discussed the application of water content detection in different types of plant-based food materials. The advantages of hot air drying, microwave method, Karl Fischer method, absolute dry nitrogen purge method, spectral technology and imaging technology were highlighted, and the future development direction of water content detection of plant-based food materials was prospected.
Application Progress Of Liquid Fermentation Products Of Edible And Medicinal Fungi In Food Industry,
2023
Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China;National Engineering Research Center of Edible Fungi, Shanghai 201403, China;Key Laboratory of Edible Fungi Resources and Utilization 〔South〕, Ministry of Agriculture and Rural Affairs, Shanghai 201403, China
Application Progress Of Liquid Fermentation Products Of Edible And Medicinal Fungi In Food Industry, Yan Mengqiu, Liu Yanfang, Tang Chuanhong, Feng Jie, Zhang Jingsong
Food and Machinery
Edible and medicinal fungi are rich in various nutrients and active ingredients, and functional raw materials with stable quality and controllable yield can be obtained by liquid fermentation technology. This paper summarizes the application status of liquid fermentation technology of edible and medicinal fungi and the related regulations of liquid fermentation products of edible and medicinal fungi in food industry. With the improvement of regulations and popularization of liquid fermentation of edible and medicinal fungi in food industry, it is expected to have a bright future for related products development.
Preparation Of Losartan Loaded Starch Nanoparticles By High-Speed Shear-Inverse Miniemulsion Method,
2023
School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, Guangxi 545006, China;Guangxi Key Laboratory of Green Processing of Sugar Resources, Liuzhou, Guangxi 545006, China;Province and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, Guangxi 530004, China
Preparation Of Losartan Loaded Starch Nanoparticles By High-Speed Shear-Inverse Miniemulsion Method, Duan Chao, Zhang Kun-Ming, Huang Yong-Chun, Zheng Jian-Bin, Tang Xiang-Yi
Food and Machinery
Objective: This study aimed to explore the feasibility of preparation of loaded losartan starch nanoparticles by high-speed shear-reverse microemulsion crosslinking. Methods: Using losartan as model drug and sodium trimetaphosphate as crosslinking agent, the effects of starch solution concentration, sodium trimetaphosphate addition amount, crosslinking time and shear rate on particle size and yield of starch nanoparticles were investigated. Optical micrography, infrared spectrometer and X-ray diffraction were used to characterize losartan loaded starch nanoparticles. Results: The optimal preparation process of nanoparticles was 15% starch solution concentration, 25% sodium trimetaphosphate, 3 h crosslinking time, 5 000 r/min shear rate. Under the control of …
Effects Of Three Dominant Bacteria From Natural Fermentation Broth On The Taste Quality Of Fresh Rice Noodles,
2023
School of Food Science and Bioengineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Effects Of Three Dominant Bacteria From Natural Fermentation Broth On The Taste Quality Of Fresh Rice Noodles, Hu Zi-Bin, Yang Hai-Tao, Yuan Jie-Yao, Liu Yan-Lan, Yi Cui-Ping
Food and Machinery
Objective: To broaden the selection of strains for fermenting fresh rice noodle and develop the application of different strains in fresh rice noodle （FRN）. Methods: With gelatinization, texture, cooking stretching, electronic nose, electronic tongue and sensory evaluation as evaluation indexes, and L. fermentum FR-21, A. orientalis AO-21, L. plantarum YI-Y2013 and blank samples as influencing factors, the eating quality of FRN fermented by different strains was analyzed. Results: L. fermentum FR-21 fermentation improved the gelatinization indexes of indica rice flour, such as valley viscosity, disintegration value, final viscosity and retrogradation value, and reduced the texture viscosity of FRN, and improved …
Effects Of Oat Flour Content On Properties Of Potato And Oat Composite Dough,
2023
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471000, China
Effects Of Oat Flour Content On Properties Of Potato And Oat Composite Dough, Zhang Xi, Wei Xin-Yu, Zhang Rui, Ren Guang-Yue
Food and Machinery
Objective: This study aimed to investigate the effect of adding oat flour on the characteristics of potato-oat compound dough and determine the appropriate ratio of oat flour and potato. Methods: Five different ratios of oat flour (15%, 20%, 25%, 30% and 35%) were selected and the color difference, microstructure, textural properties, rheological properties and pasting properties of the oat-potato composite dough were measured and sensory evaluation was carried out. Results: With the increase of oat flour, the color of compound dough gradually changed to red and dark. The internal microstructure of the composite dough was getting closer and closer, and …
Fast Traceability Detection Of Astragalus Membranaceus Based On The Combination Of Electronic Tongue And Electronic Eye To Improve Mobilenetv3,
2023
School of Computer Science and Technology, Shandong University of Science and Technology, Zibo, Shandong 255049, China
Fast Traceability Detection Of Astragalus Membranaceus Based On The Combination Of Electronic Tongue And Electronic Eye To Improve Mobilenetv3, Jin Xin-Ning, Liu Ming, Sang Heng-Liang, Ma Yun-Xia, Wang Zhi-Qiang
Food and Machinery
Objective: To realize the rapid traceability detection of Astragalus membranaceus from different origins. Methods: This study proposed a rapid detection method for the origin of Astragalus membranaceus based on the improved MobileNetv3 network based on the combination of electronic tongue and electronic eye. The electronic tongue and electronic eye were used to collect the one-dimensional fingerprint and two-dimensional appearance image information of different samples of Astragalus membranaceus. The Gramian Angular Field (GAF) was used to convert the one-dimensional electronic tongue signal into two-dimensional image information, retain the time series related features in the electronic tongue signal, and then fused …
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms,
2023
Quality Inspection Institute of Quanzhou, Quanzhou, Fujian 362000, China
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms, Wu Han-Bin
Food and Machinery
Objective: This study aimed to establish a method by using QuEChERS-gas chromatography tandem mass spectrometry (GC-MS/MS), to determine six pesticide residues in tea, including: hydroprene, kinoprene, genite, fluronitrofen, cycloprate, and chlornitrofen. Methods: The samples were pretreated by QuEChERS method. They were separated by gas chromatographic, detected by multiple reaction monitoring (MRM) mode and quantified by the external method. Results: All the pesticide residues showed good linearity with correlation coefficients above 0.999 when the concentration falls in the range 0.025~2.000 mg/kg, and the limits of quantitation were in the range of 0.000 6 ~0.007 2 mg/kg. In the recovery experiment of …
Uncertainty Evaluation For The Determination Of Three Pyrethroid Pesticide Residues In Fresh Tea Leaves,
2023
Suzhou Vocational University Center for Food Safety and Nutrition, Suzhou, Jiangsu 215104, China
Uncertainty Evaluation For The Determination Of Three Pyrethroid Pesticide Residues In Fresh Tea Leaves, Zhang Li, Liu Teng-Fei, Yao Ling-Yi, Chen Yu-Yang, Jiang Li
Food and Machinery
Objective: The uncertainty of determination of three pyrethroid pesticides （cypermethrin, fenvalerate and deltamethrin） in fresh tea leaves by gas chromatography was evaluated. Methods: A mathematical model was established according to the determination process of the experiment, and the uncertainties caused by various factors in the model were identified. The sources are mainly the following 7 aspects: repeated determination of samples, fitness of standard curve, recovery rate, standard solution preparation, sample weighing and pretreatment, and the measurement of instrument. Results: At the spiking level of 0.10 mg/kg, the expanded uncertainty of measured values of cypermethrin, fenvalerate, and deltamethrin were 0.011, 0.011 …
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms,
2023
Hunan Provincial Institute of Product and Goods Quality Inspection, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410117, China
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms, Li Hong, Xiang Jun, Li Dan, Li Li-Juan, He Qing-Ke
Food and Machinery
Objective: This study aimed to establish a method for the simultaneous determination of 80 veterinary drugs including quinolones, sulfonamides, receptor agonists, glucocorticoids, macrolides, tetracyclines, antiviral drugs in chicken by QuEChERS - ultra high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS）. Methods: The samples were extracted by 1% formic acid acetonitrile aqueous solution, purified by QuEChERS multi-veterinary drug residue purification column, detected by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS） multi-reaction monitoring mode, and quantified by matrix standard curve external standard method. Results: The results showed that 80 kinds of veterinary drugs were highly responsive under specific mass spectrometry conditions, and the …
Determination Of 57 Organic Pollutants In Edible Vegetable Oil By Gas Chromatography-Triple Quadrupole Mass Spectrometry,
2023
Hunan Provincial Institute of Produce and Goods Quality Inspection, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410111, China
Determination Of 57 Organic Pollutants In Edible Vegetable Oil By Gas Chromatography-Triple Quadrupole Mass Spectrometry, Liu Yu-Xing, Yi Shou-Fu, Xu Wen-Yang, Tang Wan-Li, Kang Shao-Ying, Wang Xia-Li
Food and Machinery
Objective: Establish a high throughput method for the determination of 57 organic pollutants in edible vegetable oil. Methods: The target compounds were extracted by acetonitrile-hexane solution and purified by disperse solid phase extraction and solid phase extraction, after that the contents of 16 polycyclic aromatic hydrocarbons, 17 phthalates, 8 organochlorines and 16 polychlorinated biphenyls in edible oil were detected by gas chromatography triple quadrupole mass spectrometry. Results: All target components had an excellent linearity within the linear range of 0.001～0.1 μg/mL （r2＞0.998）, and the limits of detection was between 0.16～2.0 μg/kg, meanwhile the average recovery rate of …
Study On The Rapid Detection Of Pseudomonas Aeruginosa By Real-Time Fluorescence Quantitative Pcr In Packaged Drinking Water,
2023
Hunan Province Produced Commodity Quality Inspection Institute, Changsha, Hunan 410007, China;Key Laboratory of Protein Chemistry and Development Biology of State Education Ministry of China, College of Life Science, Hunan Normal University, Changsha, Hunan 410081, China
Study On The Rapid Detection Of Pseudomonas Aeruginosa By Real-Time Fluorescence Quantitative Pcr In Packaged Drinking Water, Wang Fang-Mei, Xu Yue, Lin Dan, Zhu Qiu-Yan, Hong Zhen-Bai, Jiang Wei
Food and Machinery
Objective: The molecular biological test has the advantage of fast and sensitive, which can effectively make up for the defects of the traditional microbial test method. Methods: According to the conserved sequences of the V3~V4 region of the virulence gene pcrL and the universal gene 16S rRNA of Pseudomonas aeruginosa in GB 8538—2022, primers and probes were designed and synthesized, and a real-time fluorescent PCR kit was established in this study. Results: The results showed that the common standard reserve strain 16S rRNA was amplified, and the virulence gene pcrL was only effective for nucleic acid detection of Pseudomonas aeruginosa …
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China,
2023
School of Law, Sichuan University of Science and Engineering, Zigong, Sichuan 643000, China
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China, Chen He-Fang
Food and Machinery
At present, China has preliminarily established a food safety supervision system for imports and exports, with the current 21 year Food Safety Law as the basic law and the inspection and quarantine department as the main regulatory body. However, there are still problems such as low food safety standards, low management and technical level of regulatory departments, and lack of necessary coordination with major trading partners. In this regard, we can optimize and construct the legal supervision of China's import and export food safety from the dimensions of building scientific food safety standards that are in line with international standards, …
Structural Design And Experiment Of Automatic Cooking Machine,
2023
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China;Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Wuxi, Jiangsu 214122, China
Structural Design And Experiment Of Automatic Cooking Machine, Zhang Fan, Ning Meng, Deng Qian
Food and Machinery
Objective: In view of the problems of large size and low heating uniformity of the existing cooking machine, a miniaturized drum-type automatic cooking machine with electromagnetic heating was designed to reduce the equipment volume and improve the cooking effect. Methods: The modular design method oriented to function and structure was adopted to design each module mechanism of the frying machine. Then, based on Biot-Savart law, the relationship between the magnetic field generated by the coil in space and the current and distance is obtained, and the distribution curves of magnetic field intensity and temperature on the surface of the cooker …
Design And 3d Flow Field Analysis Based On Ansys/Cfx Stepwise Acceleration Twin Screw,
2023
College of Mechanical and Power Engineering, Shenyang University of Chemical Technology, Shenyang, Liaoning 110142, China
Design And 3d Flow Field Analysis Based On Ansys/Cfx Stepwise Acceleration Twin Screw, Tian Dong, Guo Shu-Guo, Wang Li-Yan
Food and Machinery
Objective: To improve the mixing efficiency and working performance of the new twin-screw extruder. Methods: A new twin-screw extruder with embedded planetary gear train and kneading block was designed. A three-dimensional model was established by SolidWorks, and the flow field analysis of the flow channel was performed by ANSYS/CFS finite element analysis software based on the finite volume method. The Macroscopic pressure diagram, velocity vector diagram, velocity flow diagram were gotten, which was compared with the traditional twin-screw extruder three-dimensional flow field. Results: Under the gradual action of the planetary gear train and the kneading block, the mixing performance and …
Design Of Appearance Quality Grading System For Apricot Mushroom Based On Machine Vision,
2023
Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
Design Of Appearance Quality Grading System For Apricot Mushroom Based On Machine Vision, Liu Hao, Lin Xin-Hua, Zhu Ya-Nan, Zhou Zhu, Wang Min, Chen Xue-Yong
Food and Machinery
Objective: This study aimed to induce the machine vision technology into the appearance detection of Pleurotus eryngii. Methods: A bilateral filter was proposed to replace Gaussian filter as image smoothing filter, and Ostu maximum inter-class variance method was proposed to replace the improved Canny operator, based on fixed double threshold segmentation, and used as edge detection algorithm. HALCON operator and color space conversion were used to extract the length, diameter, curvature, evenness, color and cap defects of P. erynii, and the development and design of visual software function modules were completed, under the VS 2017 development environment with HALCON …
