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 …
Design Of Fruit Grading System Based On Machine Vision,
2023
College of Automation, Qingdao University, Qingdao, Shandong 266071, China;Shandong Provincial Key Laboratory of Industrial Control Technology, Qingdao, Shandong 266071, China
Design Of Fruit Grading System Based On Machine Vision, Liu Jia-Hao, Gao Jun-Wei, Zhang Bing-Xing, Wang Jian-Chong
Food and Machinery
Objective: In order to solve the problems of low efficiency and high false detection rate of current fruit classification detection methods, a fruit classification system based on machine vision was designed with apples as the sorting object. Methods: The apple image collected in real time was preprocessed, the improved Canny edge detection algorithm was used to extract the edge, and the radius of the apple cross-section was obtained by fitting the edge coordinates with the minimum peripheral circle method. The acquired RGB image was converted to HSI image, and the proportion of red region is calculated according to the range …
Effects Of Different Sterilization Treatments On The Quality Of Fermented Jujube Juice,
2023
College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450001, China;Collaborative Innovative Center of Food Production and Safety, Zhengzhou, Henan 450001, China;Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou, Henan 450001, China
Effects Of Different Sterilization Treatments On The Quality Of Fermented Jujube Juice, Zhang Li-Hua, Feng Lu-Yao, Tang Pei-Xin, Li Shun-Feng, Zong Wei
Food and Machinery
Objective: This study aimed to compare the effects of different sterilization on the quality of fermented jujube juice. Methods: The effects of cold plasma sterilization (CPS) and pulsed strong light sterilization (PLS) on the quality of jujube juice before and after fermentation were studied, with high pressure sterilization (SA) jujube juice as the control. Results: The contents of total sugar, reducing sugar and soluble solid in jujube juice before and after fermentation by CPS treatment were significantly higher than those of the other two sterilization methods, and the contents of total sugar, reducing sugar and soluble solid in jujube juice …
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang,
2023
School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China;Xinjiang Key Laboratory of Fruit Post-harvest Science and Technology, Urumqi, Xinjiang 830052, China
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang, Wang Yuan-Meng, Bai Yu-Jia, Feng Zuo-Shan, Cheng Huan
Food and Machinery
Objective: To improve the storage safety of Xinjiang fresh walnut. Methods: Xinjiang "Xin 2" thin-skinned walnut was used as material, sterile water was inoculated as a control group, and Aspergillus flavus was inoculated as an experimental group. The Aspergillus flavus isolated and purified from naturally moldy walnut was artificially inoculated into Xinjiang thin-skinned fresh walnut with different water content (10%, 15%, 20%, 25%, 30%) to investigate the growth and toxicity of Aspergillus flavus. Results: The water content of walnut which was suitable for the growth of Aspergillus flavus and the secretion of Aflatoxin M1 was 15%. With the …
Effect Of Different Drying Methods On The Quality Of Rugao Black Pakchoi,
2023
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Effect Of Different Drying Methods On The Quality Of Rugao Black Pakchoi, Du Xin-Yu, Wan Jin-Qing, Wang Yuan-Yuan, Wang You-Jun, Sun Xiao-Lin, Tong Nian
Food and Machinery
Objective: This study aimed to investigated the effect of ice-temperature vacuum drying on the powder quality of selenium-rich Rugao black pakchoi. Methods: After pretreatment, the fresh black pakchoi was dried to the moisture content of (5.0±0.5) %, and the physical and chemical indexes were investigated, comparing to the control groups of hot-air drying, vacuum drying and freeze-vacuum drying. Results: The vitamin C content of vacuum drying at ice temperature was 554.60 mg/100 g, and the retention rate reached 83.96%, which was 43.11%, 33.57% and 1.61% higher than that of hot-air drying, vacuum drying and freeze-vacuum drying, respectively. Glutathione peroxidase had …
Research On Apple Defect Detection Method Based On Improved Cnn,
2023
Henan Vocational College of Nursing, Anyang, Henan 455000, China
Research On Apple Defect Detection Method Based On Improved Cnn, Du Guo-Zhen, Lu Ming-Xing, Ji Ze-Xu, Liu Ji-Chao
Food and Machinery
Objective: To solve the problems of low accuracy and poor efficiency in existing apple defect detection methods. Methods: Based on a fruit image acquisition system, an improved convolutional neural network was proposed for detecting surface defects in apples. Deep separable convolution was Introduced to replace the original network standard convolution, to improve the speed of feature extraction. The Leaky ReLU activation function was introduced to replace the ReLU activation function to improve the calculation efficiency and accuracy. Global average pooling was introduced to replace the fully connected layer, to reduce the computational complexity of the network model. After each layer …
Effects Of Dry Ice Freezing On Ice Crystal And Quality Of Large Yellow Croaker (Pseudosciaena Crocea) During Frozen Storage,
2023
College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China;Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Hangzhou, Zhejiang 310014, China
Effects Of Dry Ice Freezing On Ice Crystal And Quality Of Large Yellow Croaker (Pseudosciaena Crocea) During Frozen Storage, Jia Shi-Liang, Yang Yue, Zheng Ya-Dan, Yang Peng, Ding Yu-Ting
Food and Machinery
Objective: The effects of freezing method and storage temperature on the quality of large yellow croaker during storage were investigated. Methods: Fresh large yellow croaker fillets were frozen with dry ice and air freezing (-40 ℃) to the central temperature of -18 ℃, and then stored at -40 ℃ and -18 ℃, respectively. Physical and chemical indexes such as freezing curve, ice crystal morphology, pH value, volatile base nitrogen, K value, Ca2+-ATPase activity, total sulfhydryl group, carbonyl group, protein degradation and texture characteristics of large yellow croaks were determined after freezing and during freezing storage. Results: The time …
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol,
2023
College of Food Science and Engineering, Northwest A&F University, Xianyang, Shaanxi 712100, China
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol, Chen Xue, Liu Xue-Bo, Wang Yu-Xuan
Food and Machinery
Objective: This study aimed to explore the improvement effect of sesamol on skin lesions caused by psoriasis. Methods: The psoriasis model was constructed by using 5% imiquimod cream applied to the backs of mice for seven consecutive days, with sesamol intervention used from one week before to the end of modelling to explore the protective effect of sesamol on the skin. Then, observed and measured skin thickness, PASI score, spleen index, pathological tissue sections, cytokines (IL-17, IL-23, TNF-α and other inflammatory factors and chemokines like CXCL1 and CCL20), and inflammatory factors (IL-17, TNF-α) in plasma of mice …
