Rheological Properties Of Fenugreek Gum On Improving The Safety Of Drinking Water In Nursing Dysphagia,
2021
College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
Rheological Properties Of Fenugreek Gum On Improving The Safety Of Drinking Water In Nursing Dysphagia, Hao Lu-Lu, Wang Ling, Shang Long-Chen, Li Bin
Food and Machinery
In this paper, according to the American Dysphagia Diet standard, based on the viscosity at 50 s-1, fenugreek gum was prepared into thickening fluids with viscosity of 180 cP(nectar),1 000 cP(honey) and 2 500 cP(pudding), that the rheological properties had been systematically studied to evaluate the potential of fenugreek gum in improving the safe drinking water of patients with dysphagia. And then the rheological properties of fenugreek gum prepared at different temperatures were further explored. The results showed that the dissolution temperature was the key to whether the rheological properties of fenugreek gum meet the requirements of drinking …
Determination Of Total Fluorine In Tea By Nuclear Magnetic Resonance Spectroscopy Combined With Oxygen Bomb Combustion,
2021
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan, Hubei 430075, China
Determination Of Total Fluorine In Tea By Nuclear Magnetic Resonance Spectroscopy Combined With Oxygen Bomb Combustion, Zhou Mi, Han Zhi, Zhu Zheng-Wei, Zhu Song-Song, Wang Hui-Xia, Jiang Feng, Zhu Qian
Food and Machinery
Quantitative analysis of total fluorine in tea was established by using 19F quantitative nuclear magnetic resonance combined with the pretreatment method of oxygen bomb combustion. The 19F qNMR method used the signal characteristic of fluoride ion at δ=-119 as the qualitative peak and the signal characteristic of trifluoroacetic acid at δ=-75 as the internal standard peak. The fluorine-containing substances in tea sample was burned by oxygen bomb and converted into inorganic fluorine. Mixed metal chelating agent which included sodium citrate and disodium EDTA was added to eliminate interference and then the absolute content of fluoride ion in tea …
International Experiences And Inspirations Of Dairy Product Safety And Quality Supervision,
2021
Nanchang Jiaotong Institute, Nanchang, Jiangxi 330100, China
International Experiences And Inspirations Of Dairy Product Safety And Quality Supervision, Zhang Li-Ping
Food and Machinery
At present, the quality and safety supervision of dairy products in China are facing many challenges. Some successful experiences and advanced technologies in dairy product quality and safety supervision, safety risk assessment, quality standards and safety standards, management mode, and the examination system of in developed countries, such as Europe and the United States, were reviewed. It was concluded that, to improve the Chinese dairy products quality and safety supervision system, the integrated use of economic, administrative and legal means should be used to strengthen the macro-control. Moreover, strategies including constructing a safety-oriented inspection and testing system, speeding up technical …
Conjugate Tooth Profile Solution And Meshing Analysis Of Harmonic Drive Based On Envelope Theory,
2021
Key Laboratory of Advanced Food Manufacturing Equipment Technology, Wuxi, Jiangsu 214122, China; School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Conjugate Tooth Profile Solution And Meshing Analysis Of Harmonic Drive Based On Envelope Theory, Li Peng-Chao, He Xue-Ming, Lu Li-Xin, Lin Zi-Dong
Food and Machinery
In order to solve the problem of complex derivation of conjugate tooth profile in harmonic drive, a method based on the trajectory envelope of flexspline is used to solve the conjugate tooth profile, and the different tooth height along the axial direction of the flexspline profile is adjusted to avoid interference between the flexible gear and the conjugate steel gear. In order to analyze the influence of tooth root circle radius and torque on the stress of flexspline, a multi-body contact model was established by ANSYS Workbench to explore the influence of root circle radius and torque on the stress …
Anomaly Vibration Detection Method Of The Refrigeration Compressor Based On Autoencoder,
2021
School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China
Anomaly Vibration Detection Method Of The Refrigeration Compressor Based On Autoencoder, Wang Yuan-Tao, Feng Tao, Sun Qia, Wang Jing, Wang Yi-Han
Food and Machinery
The compressor is the core component of refrigeration equipment. This paper proposeed a method of anomaly vibration detection of refrigeration compressor based on autoencoder technology in order to solve the quality control problems in the production process of refrigeration compressor. The principle and process of anomaly vibration detection were given, based on autoencoder and the acquisition method of compressor vibration signal sample. The relationship was studied between the mean square error of the input and output of the autoencoder and the distribution of the signal samples. By means of the autoencoder model, the decision fundament of the abnormal vibration of …
Dynamic Performance Analysis Of The Herringbone Transmission System Of Konjac Fine Flour,
2021
School of Mechanical and Engineering, Qiqihar University, Qiqihaer, Heilongjiang 161006, China; Heilongjiang Province Collaborative Innovation Center for Intelligent Manufacturing Equipment Industrialization, Qiqihaer, Heilongjiang 161006, China
Dynamic Performance Analysis Of The Herringbone Transmission System Of Konjac Fine Flour, Hu Qing-Ming, Hou Jun-Peng, Xu Chang-Shun, Sun Dan-Dan, Yang Ming, Bai Song, Guo Jian-Hua
Food and Machinery
Taking the fourth-stage transmission system of the konjac flour machine as the research object, a multi-body dynamic model was established based on the straight tooth synchronous belt and double helical synchronous belt with new profile, and the influence of the tooth line shape on the belt tooth stress and system vibration was analyzed. Then the influence of the structural parameters of the helix angle and the dislocation coefficient between the teeth on the dynamic performance of the transmission system were investigated. The results showed that when the toothed helix angle β was 30° with the inter-tooth dislocation coefficient k of …
Improvement On Cigarette Guide Plate Device Of Yj19 Cigarette Maker,
2021
Tongren Cigarette Factory of Guizhou China Tobacco Industry Co., Ltd., Tongren, Guizhou 554300, China
Improvement On Cigarette Guide Plate Device Of Yj19 Cigarette Maker, Wu Shu-Qing, Sun Yong, Yang Fang, Huang Xue-Yan
Food and Machinery
In order to solve the problem of water pollution and cigarette wrinkle at the cigarette guide plate device of YJ19 Cigarette Maker, the structure of the cigarette guide plate device was improved by combining the arc groove with the air suction hole. The cigarette transferring mode was changed from closed type to open type, and then the results were validated. The experiment results showed that the unclean defect rate of cigarette lap was reduced from 1.45% to 0, and the wrinkle defect rate of cigarette decreased from 1.16% to 0.30%. The quality of cigarettes has been improved.
Development Of A Continuous Laser Scanning Electromechanical System For Brown Rice Profile Cross Section,
2021
School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China
Development Of A Continuous Laser Scanning Electromechanical System For Brown Rice Profile Cross Section, Yang Si-Ping, Tang Xiao-Hua, Li Tian-Jiao, Zheng Long-An, An Jia-Qiang
Food and Machinery
A laser scanning contour measuring device for brown rice was developed. The mechanism principle of the device was adapted to the point cloud data collection representing the geometric characteristics of brown rice. It has the functions of mutually vertical triaxial movement and two-axis rotation to realize the circular sweep of the ellipsoid of brown rice, the deflection of the embryo and the linear sweep of its main section. The ellipsoid of brown rice was measured by circular discrete and continuous laser scanning. The results showed that the continuous and discrete scanning data were consistent in describing the surface of brown …
Analysis Of Tea Brand Packaging The Visual Expression From The Perspective Of Cultural Gene,
2021
School of Art and Desing, Changsha University of Seience and Technology, Changsha, Hunan 410114, China
Analysis Of Tea Brand Packaging The Visual Expression From The Perspective Of Cultural Gene, Xie Qi, Xu Xin-Yi
Food and Machinery
From the perspective of design, the cultural gene method was introduced to collect and sort out The Tea Road cultural gene. The tea brand packaging of The Tea Road in Hunan and Hubei was used as an example, the application types and the visual expression in its design were analyzed. Our study would provide new ideas for the packaging design of different tea brands.
Optimization On Subcritical Extraction Of Oil From Cucumariafrondosa Visceral By Response Surface Method,
2021
School of Food ＆Bioengineering, Qilu University of Technology 〔Shandong Academy of Sciences〕, Jinan, Shandong 250353, China
Optimization On Subcritical Extraction Of Oil From Cucumariafrondosa Visceral By Response Surface Method, Xu Meng-Hao, Liang Yang, Yao Yan-Yan, Zhu Ji-Hai, Zhao Xiang-Zhong
Food and Machinery
A new process for subcritical extraction of Cucumariafrondosa oil was established using freeze-dried Cucumariafrondosa visceral which is rich in lipid active substances. The subcritical extraction conditions were optimized by single factor and response surface methodology, and the best extraction process was obtained: material-liquid ratio 1∶3 （g/mL）, extraction pressure 0.4 MPa, extraction times 5 times, extraction time 56.18 min, extraction temperature 48.55 ℃, extraction rate 23.38%. By comparing the physical and chemical indexes of oil extracted by different methods and gas chromatography-mass spectrometry (GC-MS) graphs, the physicochemical indexes of oil extracted by subcritical method are better than other methods, the content …
Suitability Evaluation For Processing Chips From Different Mushroom Varieties,
2021
College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China; Anhui Engineering Laboratory for Agro-Products Processing, Hefei, Anhui 230036, China
Suitability Evaluation For Processing Chips From Different Mushroom Varieties, Wang Chun, Dai Yan-Jun, Sun Yue, Li Xue-Ling, Liang Jin
Food and Machinery
Using Pleurotus eryngii, Lentinus edodes, Coprinus comatus, Agaricus bisporus and Volvariella volvacea as the main raw materials and adding wheat flour, five kinds of mushroom chips were processed by air frying pan. The sensory quality, texture, color difference, flavor free amino acids and reducing sugar of the chips were comprehensively evaluated. The results showed that significant differences were found in the quality of different kinds of mushroom chips. The contents of reducing sugar and total free amino acids in five kinds of mushroom chips were 0.197~0.214 g/100 g and 88.79~334.84 mg/100 g, respectively, and the contents of delicious amino acids …
Optimization Of Acetic Acid Fermentation Process And Antioxidant Activity Of Qiuxiang Pear Vinegar,
2021
Food College, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China; Agri-Food Processing and Engineering Technology Research Center of Heilongjiang Province, Daqing, Heilongjiang 163319, China
Optimization Of Acetic Acid Fermentation Process And Antioxidant Activity Of Qiuxiang Pear Vinegar, Yan Fei-Xiang, Zhu Dan, Niu Guang-Cai, Wei Wen-Yi, Wang Si-Pu
Food and Machinery
Taking the Qiuxiang pear wine as the raw materials, Huniang 1.01 acetic acid bacteria as the strain, and the total acid content as the index, the response surface methodology was used to optimize the fermentation process of fruit vinegar, and its antioxidant capacity was evaluated. The results showed that the optimum conditions for acetic acid fermentation of Qiuxiang pear vinegar were as follows: the inoculation amount of acetic acid bacteria was 9.4%, the fermentation time was 6 d, the fermentation temperature was 31 ℃, and the initial pH was 4.5. The fruit vinegar obtained under these conditions, which the total …
Prediction And Control Method Of Moisture Content After Cutting Based On Machine Learning,
2021
Qujing Cigarette Factory, Hongyun Honghe Tobacco 〔Group〕 Co., Ltd., Qujing, Yunnan 655001, China
Prediction And Control Method Of Moisture Content After Cutting Based On Machine Learning, Gao Li-Xiu, Chen De-Li, Wan Xing-Miao, Wang Xing-Hao, Zhu Zhi-Yuan, Li Yong-Hua, She Di, Kong Wei-Xi
Food and Machinery
In order to improve the stability of the moisture content after cutting in the production process of silk making, the matching degree of the indexes between the moisture content at the outlet of loose moisture return, the moisture content at the outlet of moistening leaf feeding and the moisture content after cutting was guaranteed. The steady state data samples of “Yunyan (A)” brand silk production process was selected and the influence variables of the model were analyzed by Recursive Feature Elimination Method (RFE). Based on the temperature and humidity prediction model of the workshop, Monte Carlo simulation, Neural Network algorithm …
Study On Toasting Characteristics Of Different Parts Of Tobacco,
2021
Technology Center of China Tobacco Fujian Industrial Co., Ltd., Xiamen, Fujian 361021, China
Study On Toasting Characteristics Of Different Parts Of Tobacco, Li Jin-Lan, Wang Dao-Quan, Luo Deng-Yan, Xiao Hong-Li, Chang Ming-Bin
Food and Machinery
Toasting characteristics of different parts of tobacco were studied based on different parts of tobacco leaves planted in Liaoning and Jiangxi Province, and the changes in physical indexes, sensory quality, and Maillard reaction products under different treatment intensity of tobacco toasting were investigated in a rotary toaster. The results showed that: ① the upper and middle cut strips should be toasted under medium or high intensity, the lower cut strips should be toasted under medium or low intensity; ② cut strips toasting treatment had a positive effect on the taste, the local mixed gas decreased, the baking aroma and burnt …
Research Progress On The Main Active Components And Physiological Functions Of Sugarcane Molasses And Beet Molasses,
2021
College of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
Research Progress On The Main Active Components And Physiological Functions Of Sugarcane Molasses And Beet Molasses, Li Qing-Lan, Cui Chun, Wang Wei
Food and Machinery
In this review, the application scope of molasses was summarized, and the main active substances and their physiological activities of sugarcane molasses and beet molasses were introduced. In addition, the development prospect of molasses active substances was prospected.
Recent Advances In Simultaneous Detection Of Food Hazards Based On Aptasensor,
2021
School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212004, China
Recent Advances In Simultaneous Detection Of Food Hazards Based On Aptasensor, Gao Lin-Chen-Meng, Ye Hua, Huang Sheng-Bo, Li Zhan-Ming, Guo Yuan-Xin, Li Chao, Wang Zhou-Ping
Food and Machinery
The aptamers used for screening various food hazards, such as pathogens, biotoxins, antibiotics, veterinary drugs, pesticides, heavy metal ions and so on, was firstly introduced in this review, and then the advances in simultaneous detection of these food hazards based on aptasensor were summarized. Finally, the future prospects were discussed in the perspectives section.
Simulation In Counter-Rotating Twin Screw Extruder By Adaptive Grid Technology,
2021
School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China; Plastic Beijing Municipal Key Laboratory of Health and Safety Quality Evaluation Technology, Beijing 100048, China
Simulation In Counter-Rotating Twin Screw Extruder By Adaptive Grid Technology, An Qi, Huang Zhi-Gang, Hu Shu-Zhen, Mi Guo-Qiang, Li He
Food and Machinery
Applied the existing adaptive grid technology to the counter-rotating twin-screw extruder, useed Autocad software to draw the end profile of the counter-rotating thread element, and establisheed the corresponding 3D model on the Solidworks software. Then imported the geometric model Gambit software for mesh generation. Selecting the adaptable mesh technology of Polyflow software, the mesh of the fluid channel is locally densified according to the Maxdiv value. The finite element solution task of isothermal transient flow problem of counter-rotating twin-screw was designed, and the Maxdiv value was also studied. The effects of the value were studied, on the shear rate field, …
Motion Reliability Analysis Of Pre-Formed Cam-Link Assembly Mechanism Of Aseptic Filling Machine,
2021
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Motion Reliability Analysis Of Pre-Formed Cam-Link Assembly Mechanism Of Aseptic Filling Machine, He Xian-Rong, Pan Liao, Lu Li-Xin, Lin Zi-Dong, Li Fu-Man
Food and Machinery
In order to ensure that the designed cam meets the requirements of high precision and stable motion of the end position of the actuator under the high speed state of the aseptic filling machine. Based on the harmonic analysis method, the dynamic response of the design of the pre-formed cam mechanism end in different working sections is checked. Under the ADAMS environment, the dynamic simulation of the cam mechanism obtains the trajectory of the end gripper of the actuator and the kinematics and dynamic characteristic curve of the mechanism at the working speed. The results show that the clamping jaws …
Effect Of Germination On Grain Quality Of Tartary Buckwheat And Optimization Of Technology,
2021
Tianjin Erduoyan Food Co.， Ltd., Tianjin 300221, China
Effect Of Germination On Grain Quality Of Tartary Buckwheat And Optimization Of Technology, Tong Xiao-Meng, Chai Chun-Xiang, Wang Yong-Qiang
Food and Machinery
Using tartary buckwheat seeds as raw materials, the effects of different temperature and time during seed soaking and germination were analyzed, on the content of total flavonoids and γ-aminobutyric acid (GABA), DPPH free radical clearance rate, germination rate and bud length of tartary buckwheat seeds, and the germination conditions of tartary buckwheat tea were optimized. The results showed that the optimal germination conditions of tartary buckwheat seeds were as followd: soaking temperature 20 ℃, soaking time 8 h, germination temperature 26 ℃, and germination time 98 h. Under these conditions, the total flavonoids content of germinating tartary buckwheat was 10.34 …
The Progress Of Detection Methods For Norovirus In Foods,
2021
Institute for Agri-Food Standards and Testing Technology, Shanghai Academy of Agricultural Science, Shanghai 201403, China; College of Public Health, University of South China, Hengyang, Hunan 421000, China
The Progress Of Detection Methods For Norovirus In Foods, Liao Xiao-Yan, Chen Li-Li, Bai Ya-Long
Food and Machinery
This paper mainly introduces the enrichment technology of norovirus, and reviews the research advances of norovirus in the nucleic acid detection, immunological detection and biosensor detection at domestic and abroad and also analyzes and compares the advantages and disadvantages of various method. Finally, the future research direction of norovirus was prospected.
