Assessment Of The Edible Safety Of Licorice Oil,
2021
Henan Engineering Research Center of Leisure Food, Luohe Medical College, Luohe, Henan 462002, China
Assessment Of The Edible Safety Of Licorice Oil, Dou Kang-Ning, Dong Bin
Food and Machinery
The toxicology of licorice oil was researched through the acute toxicity test of mice, genotoxicity test of mouse sperm deformity and subacute toxicity test, and made a safety evaluation on it. The experimental results showed that the acute oral LD50 of licorice oil on mice was greater than 15.0 g/kg·BW, which was classified as non-toxic. The mouse sperm deformity genetic toxicity test was negative, indicating that the test substance had no mutagenic effect. No abnormal changes in animal health status, biochemistry, hematology indexes and organ tissue morphology were observed in the 30-day feeding experiment. Based on this, it was …
Quality Characteristics Of Sago,
2021
College of Food Science and Engineering, Northwest A & F University, Yangling, Shaanxi 712100, China
Quality Characteristics Of Sago, Chang Lei, Wang Jie-Ru, Yang Min, Li Ting, Du Shuang-Kui
Food and Machinery
Taking japonica rice and glutinous rice as the control, sago as the experimental material, the morphology of starch granules was observed, and the edible quality, cooking characteristics, physical and chemical properties and resistant starch content were studied. Results showed that the sago starch granules were ellipsoid and the size was larger than that of japonica rice and glutinous rice. Meanwhile, the starch granules of japonica rice and glutinous rice were polyhedral with smooth surface. The cooking quality and edible quality of sago were better than those of japonica rice and glutinous rice. The solubility and swelling power of the three …
Screening, Identification And Fermentation Process Optimization Of Starch Degrading Bacteria In Tobacco,
2021
College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan 450000, China
Screening, Identification And Fermentation Process Optimization Of Starch Degrading Bacteria In Tobacco, Zhang Xiao-Rui, Liu Xiao-Hui, Fu Bo, Yang Zong-Can, Shi Xiang-Dong
Food and Machinery
A starch degrading bacterium HX-6 was isolated and screened from the surface of Henan flue-cured tobacco leaves, and the enzyme-producing medium and tobacco fermentation process of the strain were optimized. The results showed that starch degrading bacterium HX-6 was identified as Bacillus subtilis, and the optimum enzyme-producing medium formula was as follows: 17.0 g/L soluble starch and sweet potato starch (m soluble starch∶m sweet potato starch=1∶1), 21.89 g/L peptone and yeast powder (m peptone∶m yeast powder=1∶1), 2.58 g/L KNO3. The enzyme activity of HX-6 was increased by 71.51%. The optimum tobacco fermentation process was …
Fabrication Of Rice Protein Hydrolysate-Daidzein Composite Nanoparticles,
2021
School of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China
Fabrication Of Rice Protein Hydrolysate-Daidzein Composite Nanoparticles, Chen Xiu-Wen, Jiao Ye, Cui Bo, Zheng Xiang-Ming, Zou Fei-Xue, Cheng Yun-Hui
Food and Machinery
Rice hydrolysate (RPH) was obtained by using trypsin, and then the nanoparticles of RPH-daidzein composite were fabricated for daidzein delivering. The effects of hydrolysis degree (DH), RPH concentration and daidzein concentration on the characteristic of the composite nanoparticles were investigated by single factor experiments. When the RPH-daidzein composite nanoparticles was prepared under the conditions of a DH of 12%, an enzymatic hydrolysate concentration of 7.5 mg/mL and a daidzein concentration of 0.75 mg/mL, the particle size, polydispersity index and Zeta-potential of the nanoparticles were 449.71 nm, 0.23 and -22.30 mV, respectively. The encapsulation efficiency of daidzein was 60.07%, and the …
Ssdna-Templated Fluorescent Copper Nanoclusters For Label Free Detection Of Tetracyclines,
2021
Changsha Institute for Food and Drug Control, Changsha, Hunan 410036, China
Ssdna-Templated Fluorescent Copper Nanoclusters For Label Free Detection Of Tetracyclines, Yang Li-Xia, Zeng Xi-Ke, Yi Zi
Food and Machinery
In this paper, a novel and label-free fluorescence sensing strategy has been developed for tetracyclines (TCs) detection in food sample by using poly(thymine) (poly T)-templated copper nanoclusters (CuNCs) as fluorescent probes. Under optimized conditions, the label-free fluorescent sensor achieved highly sensitive and selective detection of TCs with a detection limit of 0.01 μmol/L, and with a detection limit of 48 μg/kg in real samples. Furthermore, the method was successfully applied to the detection of TCs in milk and chicken samples. The relative standard deviation was less than 4.01%, and the recovery rate was between 97.67% and 110.23%. The strategy was …
The Pesticide Residue Level Of Watermelon In Xinjiang Main Producing Area And Its Difference Evaluation,
2021
College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China; Institute of Agricultural Quality Standard and Testing Technology, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang 830091, China; Laboratory of Quality and Safety Risk Assessment of Agricultural Products of Rural Ministry of Agriculture, Urumqi, Xinjiang 830091, China; Xinjiang Key Laboratory of Quality and Safety of Agricultural Products, Urumqi, Xinjiang 830091, China
The Pesticide Residue Level Of Watermelon In Xinjiang Main Producing Area And Its Difference Evaluation, Zhang Yan-Ming, Ma-He-Ba-Li Tuo-Hu-Ta-Er-Han, Shen Qi, Wang Cheng, Tao Yong-Xia
Food and Machinery
In this study, 237 watermelon samples from 19 counties and cities (A-S) in Xinjiang were taken as research objects, and 60 pesticide residues in the samples were investigated and analyzed. On this basis, pesticide residues and pollution levels in each producing area were evaluated through single pollution index, Nemero comprehensive pollution index, and acute and chronic dietary risk. The detection rate of 15 pesticide residues was 46.84%. Pyrimethanil, amidine and carbendazim were the main pesticide residues, accounting for more than 10%. 7 and 2 samples of grade II pollution (relatively safe) were collected from E city and D county, 1 …
Model Simulation Research On The Effectiveness Of Fresh Food E-Commerce Food Safety Supervision Mechanism,
2021
Beijing Technology and Business University E-commerce and Logistics School, Beijing 100089, China
Model Simulation Research On The Effectiveness Of Fresh Food E-Commerce Food Safety Supervision Mechanism, Yang Hao-Xiong, Shao En-Lu, Ma Jia-Ji
Food and Machinery
Aiming at the problem of fresh e-commerce food safety, based on the existing supervision system, we constructed a fresh e-commerce food quality and safety supervision simulation model composed of fresh e-commerce suppliers, fresh e-commerce platform, government regulatory agencies and consumers. We evaluated the quality preference and investment strategies of the suppliers, and the effects of fresh food safety brought by government and regulatory policy for platform were also investigated. The results showed that that the effective government sampling inspection on the platform could improve the safety of the fresh e-commerce products, and the proportion of sampling inspection on the fresh …
Construction Of A Prediction Model For Mainstream Cigarette Smoke Quality Based On Fisher Linear Discriminant Analysis Method,
2021
Yunnan China Tobacco Industry Co., Ltd., Kunming, Yunnan 650231, China
Construction Of A Prediction Model For Mainstream Cigarette Smoke Quality Based On Fisher Linear Discriminant Analysis Method, Shan Qiu-Fu, Zhang Tao, Li Chao, Luo Lin, Chen Fan-Rui, Zhang Hai-Tao
Food and Machinery
To establish a method for discriminating cigarette quality, using Fisher's linear discriminant analysis theory, 16 parameters of 30 kinds of Chinese commercial finished cigarettes as discriminating factors, and of CO, tar amount and smoke nicotine amount as three discriminant functions the Fisher discriminant model was established. After verification, the model has a false positive rate of 0, and the prediction accuracy of the test calculation is 100%.
Evaluation Of Uncertainty In The Determination Of VA, VD3 And VE In Nutritional Rice Flour For Infants And Young Children By Hplc,
2021
Food Institute of Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Evaluation Of Uncertainty In The Determination Of VA, VD3 And VE In Nutritional Rice Flour For Infants And Young Children By Hplc, Zhang Rong-Bin, Dai Zhi-Yong, Li Meng-Yi, Chen Zhen-Gui, Ren Guo-Pu
Food and Machinery
The uncertainty of the determination of VA, VD3 and VE content in infant nutritional rice flour by HPLC was evaluated. According to JF1059.1—2012 ＂evaluation and Representation of Measurement Uncertainty＂, a mathematical model for simultaneous determination of VA, VD3 and VE content uncertainty in infant nutrition rice flour by HPLC was established, and the sources of uncertainty in the measurement process were analyzed, quantified and synthesized layer by layer. When the sampling volume was 5.000 g, the expanded uncertainty of VA, VD3 and VE in the sample was 0.188 4, 0.009 3, 0.006 7 μg/g, and the measured …
Research On Viscoelastic Food Texture Detection System Based On Bionic Chewing Platform,
2021
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Research On Viscoelastic Food Texture Detection System Based On Bionic Chewing Platform, Gu Chen-Long, Zhou Xing-Yu, Yang Tao-Tao, Qian Shan-Hua, Yu Jing-Hu
Food and Machinery
Food texture detection is the key of the study of food quality and safety. Based on the bionic chewing platform, the detection system for viscoelastic food was developed. Firstly the kinematics analysis and verified by ADAMS simulation; Secondly, the motion control, real-time data acquisition, data analysis and processing of the bionic chewing platform were realized by using LABVIEW as the host computer, so as to realize the bionic detection and evaluation of food texture quality; Finally, the effectiveness of the food texture bionic detection system was verified by the comparative study between the food texture detection system developed in this …
The Influence On Ultra Micronization Of Cellulose From Flow Passage Structure Of High Pressure Jeton,
2021
College of Material and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048,China
The Influence On Ultra Micronization Of Cellulose From Flow Passage Structure Of High Pressure Jeton, Sun Shi-Qi, Liu Bin, Feng Qu, Xu Lan-Zhen
Food and Machinery
The computational fluid dynamics method was used to study the pressure drop and velocity distribution differences in different valve body structures under the same operating pressure, and the particle size changes of the single component cellulose of the micronized dietary fiber of different valve body structures were combined to study the influence of flow channel structure on cellulose miniaturization. The results showed that the smaller of the concentration of cellulose aqueous dispersion was, and the better the micronizing effects of single valve treatment were. The concentration of cellulose aqueous dispersion (≤2%) had no obvious influence on the micronizing effect of …
Study On Full-Bed Centrifugal Filtration Used For Suspension Freeze Concentrations Of Apple Juice,
2021
Guangdong Provincial Key-Laboratory of Distributed Energy Systems, Dongguan University of Technology, Dongguan, Guangdong 532808, China
Study On Full-Bed Centrifugal Filtration Used For Suspension Freeze Concentrations Of Apple Juice, Ding Zhong-Xiang, Qin Frank G F, Peng Ke-Wen, Yuan Jiao-Jiao, Jiang Run-Hua, Yin Hui-Bin, Shao You-Yuan
Food and Machinery
A basket-centrifuge was used to perform a full-bed filtration of the porous packed ice bed and concentrated fruit juice produced by suspension freeze concentration (FC). The analysis of the experimental results showed that the apple juice concentration was increased from the initial 10.2 䥺SymbolpB@Bx to 19.6, 28.5 and 40.3 䥺SymbolpB@Bx, after three passes of FC and three passes of centrifugal separation. The final recovery yield of soluble solids of the concentrated fruit juice was 93.6%, and the permeability and its coefficient of the ice bed in the centrifugal filtration mathematical model were 4×10-8 m2 and 0.16 m/s, respectively. …
Study On Pot Type Fixation Process Of Green Tea Based On Online Flavor Detection,
2021
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Study On Pot Type Fixation Process Of Green Tea Based On Online Flavor Detection, Jiang Jian-Jun, Li Zhen-Feng, Song Fei-Hu
Food and Machinery
In this study, the PEN3 electronic nose was implanted for online flavor detection, based on the traditional pot-type fixating device. By studying the relationship between the response value of the PEN3 electronic nose representative sensor and the quality of the fixating at different pot temperatures, a green tea pot-type fixating system based on the flavor online detection was proposed. The system could feedback control the temperature of the fixating pot according to the measured values of enzymatic oxides and the aroma volatiles of the green tea. The results showed that the low temperature of the fixating pot could lead to …
Development And Analysis Of Infrared-Spouted Bed Combined Drying Equipment,
2021
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Development And Analysis Of Infrared-Spouted Bed Combined Drying Equipment, Ma Li, Duan Xu, Ren Guang-Yue, Li Lin-Lin, Li Xin-Lin
Food and Machinery
In order to better solve the problem of poor uniformity of single infrared drying, take advantage of the high-efficiency and energy-saving characteristics of infrared heating, combined with the characteristics of spouted bed and uniform heat transfer, an infrared-spouted bed combined drying equipment is designed. The device includes a spouted bed drying system, an infrared radiation heating system, a return air conditioning system, a power circulation system and a control system. In order to evaluate the performance of the drying equipment, fresh edamame was used as the material to verify the drying uniformity and product quality of the equipment. The results …
Design Of Multi-Station Rotary Capping Machine For Filling Beverage Packaging,
2021
South China University of Technology School of Design, Guangzhou, Guangdong 510006, China
Design Of Multi-Station Rotary Capping Machine For Filling Beverage Packaging, Yang Jing, Chen Cai-Xia, Luo Zhe-Hui, Liu Xie-You
Food and Machinery
Firstly, according to the production process of liquid filling products, the overall structure and main parameters of the multi-station rotary capping machine are designed, and the assembly drawing is drawn. Then, the contour curve of the cylindrical CAM of the capping machine is designed through calculation, and the curve is optimized by using the quintic polynomial fitting. Finally, the three-dimensional solid model of the CAM is established in Solidwork. The results show that the actual production efficiency of the multi-station rotary capping machine can reach 14 000 bottles per hour, the operation is stable at high speed, and the noise …
A Control Technique For Clamping Mechanism Of Fruit Sorting Robot Based On Improved Smooth Sliding Mode Impedance Control,
2021
Henan Industrial Science and Technology School, Xinxiang, Henan 453000, China
A Control Technique For Clamping Mechanism Of Fruit Sorting Robot Based On Improved Smooth Sliding Mode Impedance Control, Hu Guo-Xi, Wang Chao, Liu Yu-Heng
Food and Machinery
In view of the shortcomings of the current automatic non-destructive fruit sorting mechanism, based on the system architecture of automatic fruit sorting robot, a control method for the clamping mechanism of automatic fruit sorting robot was proposed, which combined time delay estimation and smooth sliding mode impedance control method.The time delay estimation method was used to obtain the dynamic model of the clamping mechanism of the automatic fruit sorting system, and a smooth sliding mode impedance control method with adaptive rule adjustment was further designed, which was verified by simulation and experiment.The results showed that this method could make the …
Design Of Cam Mechanism Of Carton Handle Arrangement Device,
2021
College of Mechanical and Control Engineering, Guilin University of Technology, Guilin, Guangxi 541006, China
Design Of Cam Mechanism Of Carton Handle Arrangement Device, Niu Zhen-Hua, Xu Hong-Zhen, Liu Jiao-Di, Li Qiang
Food and Machinery
The cam mechanism of the carton handle sorting device is designed to realize the functions of picking up the handle, removing invalid handles and sorting the handle during the working process of the carton handle sorting device. According to the movement requirements of the push rod when the finishing device picks up and removes the handle, the mathematical model of the cam mechanism design is established to obtain the actual contour curve of the cam. The three-dimensional model of the cam mechanism was established through SolidWorks software. The ADAMS software was used to simulate and analyze the speed and displacement …
Optimization And Experiment Of Key Components Of Horizontal Green Walnut Peeling Machine,
2021
College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumchi, Xinjiang 830052, China; Agricultural Mechanization Institute, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang 830091, China
Optimization And Experiment Of Key Components Of Horizontal Green Walnut Peeling Machine, Yang Zhong-Qiang, Guo Hui, Ma Yue-Hong
Food and Machinery
In order to optimize the structure and movement parameters of the key parts of horizontal walnut peeling machine, a kind of horizontal green walnut peeling machine was designed in this paper. By analyzing the structure and working principle of the whole machine and its key parts, the peeling test was carried out by selecting different brush types, blade types and blade arrangement. The key parts of horizontal green walnut peeling machine were determined: C type brush, F type blade and h type blade arrangement. Through the peeling test of spindle speed and feeding amount, the operating parameters of horizontal green …
Numerical Simulation Of The Influence Of Environmental Factors On The Column Dissipating Cooling Of Cold Storage Floor,
2021
Department of Mechanical and Electrical Engineering, Beihai Vocational College, Beihai, Guangxi 536000, China
Numerical Simulation Of The Influence Of Environmental Factors On The Column Dissipating Cooling Of Cold Storage Floor, Sun Xiao-Hong
Food and Machinery
Modeling of the ventilation floor and the column of a cold storage was investigated. The aim was to prevent the local frost heaving of the floor caused by the scattered cooling of the floor column of the cold storage, as well as to improve the scientific management level of the cold storage and reduce the building energy consumption. Using the cooling capacity of the floor and column, and the temperature near the column as indexes, the influence of the indoor temperature, indoor convective heat transfer coefficient, inlet air temperature of ventilation pipe and wind speed on the cooling capacity and …
Selection Of Hyperspectral Characteristic Wavelength And Construction Of Prediction Model For Cucumber Hardness And Moisture,
2021
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Selection Of Hyperspectral Characteristic Wavelength And Construction Of Prediction Model For Cucumber Hardness And Moisture, Ma Shuai-Shuai, Yu Hui-Chun, Yin Yong, Yuan Yun-Xia, Li Xin, Xue Shu-Ning
Food and Machinery
In order to achieve fast and accurate detection of cucumber freshness by hyperspectral technology, taking the hardness and rate of water loss as the quality index, the hyperspectral imaging technology was used to test the cucumber with different storage dates in the same batch. Firstly, Savitzky-Golar method, multivariate scattering correction (MSC) and standard normal variable transformation (SNV) were used to preprocess the collected hyperspectral data of cucumber, and the pretreatment results were compared to determine that the Savitzky-Golar method was more effective. Then, competitive adaptive reweighted sampling (CARS), partial least squares (PLS) and successive projections algorithm (SPA) were used to …
