Discrimination Of Seven Yuxiang Shredded Pork Sauces Based On Electronic Nose,
2017
Culinary Science Key Laboratory of Sichuan Province, Chengdu, Sichuan 610100, China; Sichuan Tourism University, Chengdu, Sichuan 610100, China
Discrimination Of Seven Yuxiang Shredded Pork Sauces Based On Electronic Nose, Yi Yuwen, Fan Wenjiao, Qiao Mingfeng, Peng Yiqin, Deng Jing, Zhang Xu, Hu Jinxiang
Food and Machinery
In this study, seven Yuxiang shredded pork sauces in Sichuan and Chongqing area were measured by an electronic nose before and after heating respectively, combined with principal component analysis (PCA) and cluster analysis (CA), as well as in combination with sensory evaluation and physical and chemical indicators. The results showed that electronic nose could effectively distinguish the seven Yuxiang shredded pork sauces before and after heating. Compared with heated, the Yuxiang shredded pork sauces in Sichuan area showed obvious similarities before heating, however, the Yuxiang shredded pork sauces in Chongqing area didn’t show similarities whether heated or not. Some obvious …
Astudy And Reference Of U.S. Food Inspection System,
2017
China Food and Drug Administration Institute of Executive Development, Beijing 100073, China
Astudy And Reference Of U.S. Food Inspection System, Yuan Yanfang, Shang Hongye, Chen Hui, Liu Jing, Ding Ning, Song Yuande, Yang Jiaying, Luo Jie
Food and Machinery
Aiming at the U.S. food inspection system, it was analyzed, in this paper, its characters from several aspects, including the structure, operation and management mechanism, inspection belief as well as the training for inspector. It provides some suggestions to improve the food inspection system in China. Therefore, it is significant to establish an inspection system based on food safety quality system and risk analysis, a comprehensive inspection data management system, as well as a unified training and certification system for food inspectors.
Application Of Electric Driven Membrane Extraction Method In The Detection Of Selenium In Vegetables And Fruits,
2017
Chenzhou Center for Food and Drug Control, Chenzhou, Hunan 423000, China
Application Of Electric Driven Membrane Extraction Method In The Detection Of Selenium In Vegetables And Fruits, Li Yong, Zhang Zhouyang, Tian Fang, Tang Jiaoyan, Deng Yong
Food and Machinery
A new method for the determination of selenium（Se） in vegetables and fruits was developed using electric membrane extraction. The effects of several factors were investigated, such as Time spent, Consumption of reagents and Detection limit of sample. The results showed that the detection limit of sample was 0.005 mg/kg by spending few time and reagent. The recovery of Se was 92.4% on an average. Through the verification of the national standard reference materials, the experimental results meet the requirements of the uncertainty. The method is suitable for the detection of selenium in fruits and vegetables.
Function And Innovation Of Financial System In Safety Production Of Food Enterprise,
2017
Accounting Department of An Hui Audit College, Hefei, Anhui 230601, China
Function And Innovation Of Financial System In Safety Production Of Food Enterprise, Wang Jiaming
Food and Machinery
For the safe production of food enterprises, it must be related to a variety of financial system related to capital investment and cost accounting and other issues. Through preventive investment, education investment and accrued expense for safe production etc., good financial institution can produce the corresponding improvement for the food safety production. However, in the current financial system of the food production safety in enterprises, there are a series of problems, such as preventive investment and education investment has not be valued, accrued expenses without reliable security and other issues, and it is difficult to play a role in promoting …
The Practical Dilemma And Improvement Path Of The Criminal Law Regulation Of Food Safety,
2017
Guangdong Food and Drug Vocational College, Guangzhou, Guangdong 510520, China
The Practical Dilemma And Improvement Path Of The Criminal Law Regulation Of Food Safety, Liu Xiaodan
Food and Machinery
At present, the crime of food producers is the main one in the food safety regulation system, and some crimes in food safety regulators as well as in transport and storage. However, There are still a series of dilemma about it, including the contrary to the trend of whole food safety process control, ignoring the public security character of food safety crime, and the neglect of its economic attribute of food safety crime. Therefore, we should increase the penalties according to the crime of endangering public safety and enforce the criminal law regulation. Furthermore, a severe fine penalty should be …
Design Of Automatic Nut Packing Machine With Rotary Multi-Station,
2017
School of Automobile and Transportation, Qingdao University of Technology, Qingdao, Shandong 266520, China
Design Of Automatic Nut Packing Machine With Rotary Multi-Station, Wang Fengyuan, Li Lan, Li Zhen, Nie Jiajin, Zhou Jun, Cao Shuo
Food and Machinery
Considering solution for existing nut packing machines on the market with the problems, including non-multifunction, high demanding in area occupation and human labor, a rotary multi-station automatic nut packing machine was designed. The machine combined the function of collecting quantitative and bagging the nuts, sealing with thermoplastic plastics, packing paper-bag and automatic sealing of the box. The machine mainly consisted of three systems, i.e., the feeding system with rotary controllable quantitative mechanism, the bagging system of catching and opening bags, bagging, sealing of the bags and the packing, and the sealing system for the boxes. It was verified that 720 …
Analytical Dynamic Modeling Of A Top-Suspended Centrifuge Drum With Consideration Of Fluid-Structure Interaction,
2017
Guangxi Key Laboratory of Manufacturing System & Advanced Manufacturing Technology, Nanning, Guangxi 530004, China; School of Mechanical Engineering, Guangxi University, Nanning, Guangxi 530004, China; Guangxi Colleges and Universities Key Laboratory Bree
Analytical Dynamic Modeling Of A Top-Suspended Centrifuge Drum With Consideration Of Fluid-Structure Interaction, Yang Xujuan, Xu Guangheng, Li Yulong, Li Zhaojun
Food and Machinery
A top-suspended centrifuge drum was studied with consideration of fluid-structure interaction of the drum and massecuite. The analytical dynamic model was built by finite element method, and a triangle plate element was used to build the basket wall. Moreover, the triangular prism element of six nodes was also utilized to build the massecuite. Therefore, the natural frequencies with and without consideration of fluid-structure interaction and the natural frequencies were obtained respectively. The results showed that the natural frequencies with consideration of fluid-structure interaction were smaller than that without this consideration.
Design And Manufacture Of A New Type Self-Unloading Bone Dregs Removal Suspension Coop And Bone Dregs-Falling Proof Device,
2017
Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Design And Manufacture Of A New Type Self-Unloading Bone Dregs Removal Suspension Coop And Bone Dregs-Falling Proof Device, Yang Fangwei, Jia Wei, Zhang Chunhui, Li Xia
Food and Machinery
Designed a kind of the new type self-unloading bone dregs removal suspension coop and bone dregs-falling proof device. The new type self-unloading bone dregs removal suspension coop is mainly composed of a cage bottom ring and the bottom cover plate, cage barrel body, along the reinforcing ring, cage cover several main body. The new type suspension coop can ensure the safety and reliability of bone processing, providing a good solution for the problem of the traditional suspension coop that has a lock cover is not strict, the pin is easy to fall. The hanging structure of the traditional suspension coop …
Structure Design And Heat Transfer Analysis Of Drying Tray Part Of Hot-Air Disc Dryer,
2017
School of Mechanical and Electrical Engineering, Henan Mechanical and Electrical Vocational College, Zhenzhou, Henan 451191, China
Structure Design And Heat Transfer Analysis Of Drying Tray Part Of Hot-Air Disc Dryer, Su Quanwei, Zhou Hang
Food and Machinery
To make the food be dried better as well as improve the drying efficiency, based on the analysis of the working principle of rotary disc dryer, for its critical part drying tray, the geometry structure design, the stress and its deformation were analyzed. Moreover, the calculating formulas of the thickness of the steel material manufactured for the drying tray were also provided. After analyzing the heat transfer process between drying tray and bulk solids bed in the work, the heat transfer coefficient formula was then summed up. According to the relevant theory given in this study, rotary disc dryer was …
Design Of Personalized Ice Cream Machine Based On 3d Printing,
2017
College of Mechanical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
Design Of Personalized Ice Cream Machine Based On 3d Printing, Hong Jian, Wang Dongyan, Li Fei, Qin Guoxuan
Food and Machinery
In order to meet the personalized needs of the individual’s desiring of ice cream, an ice cream machine was designed based on the rapid prototyping technology. This machine included transmission, mechanical structures and control system. A Z-axis drive module and a Core XY two-axis one were adopted by the transmission module. Moreover, the mechanical structure was constructed by a stirring module to mix the raw material uniformly, combining a platform to enable raw material to stack layer by layer and an extrusion mechanism moving in XOY plane. The control system composed of a mechanism motion and a temperature control. It …
Design Of A New Microwave-Vacuum Dryer,
2017
Food and Biology Engineering College, Henan University of Science & Technology, Luoyang, Henan 471023, China
Design Of A New Microwave-Vacuum Dryer, Yang Xiaotong, Duan Xu, Ren Guangyue
Food and Machinery
A new type of microwave and vacuum drying device combining waveguide and wave source cooling device was designed. This improvement helped to solve two big problems effectively, uneven distribution of microwave and wave source easily broken on heat. Because the material chamber is the intersection of microwave and vacuum chambers, material could be in microwave radiation as well as in vacuum environment. Thus, the material plates were hierarchical designed. On the one hand, they were easily tear down, on the other hand, material room space could be made full use. Moreover, the cold traps designed by modular to make it …
Early Warning Of Afb1 Contamination In Stored Maize By Monitoring Catalase Activity,
2017
College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China
Early Warning Of Afb1 Contamination In Stored Maize By Monitoring Catalase Activity, Zhang Yaolei, Zhai Huanchen, Zhang Shuaibing, Cai Jingping
Food and Machinery
The early warning is significant forpreventing stored maize from aflatoxin B1 (AFB1) contamination. To reveal the relationship between the change of catalase activity and AFB1 contamination in stored maize, the storage experiments of maize were carried out at different temperatures and moisture contents. The results showed the increasing trend of catalase activity and contaminated AFB1 was accordant, which displayed a quadratic equation with the correlation coefficient of more than 0.95. The rates of catalase activity increase and AFB1 production by mould in maize could be affected by storage temperature and maize moisture content, but …
Research Of Air Distribution Characteristic For Single Evaporator Multiple Temperature Zones Refrigerated Truck,
2017
School of Machinery &Electronic Engineering & Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China
Research Of Air Distribution Characteristic For Single Evaporator Multiple Temperature Zones Refrigerated Truck, Zhao Yao, Tang Gangzhi, Zhu Sunke
Food and Machinery
Compared to single temperature zones refrigerated truck, multiple temperature zones refrigerated truck is more comfortable with cargo demand and temperature changes. Air distribution in the truck cold room could affect its temperature significantly. In this paper, the influence of air distribution to temperature range in single evaporator multiple temperature zones refrigeration truck was studied based on CFD technology. Moreover, temperature non-uniformity problems were also analyzed. The results provided a theory basis for the design optimization of multiple zones refrigerated truck.
Refrigeration Monitoring System Of Ultra-Low Temperature Cold Storage Onfishing Boat Based On Virtual Instruments,
2017
College of Food Science and Technology, Shanghai Ocean University,Shanghai 201306, China
Refrigeration Monitoring System Of Ultra-Low Temperature Cold Storage Onfishing Boat Based On Virtual Instruments, Xu Minsheng, Xie Jing, Wang Jinfeng
Food and Machinery
There are several problems in the ultra-low temperature refrigeration control system on the tuna fishing boat, including the low degree of automation, unsatisfactory monitoring effect and poor monitoring conditions. In order to solve these problems, a tuna fishing boat ultra-low temperature cold storage refrigeration monitoring system was designed and developed by using the virtual instrument technology, based on LabVIEW. This system achieved a real-time monitoring, and displayed a unit’s data and dynamic curves. Moreover, it also included a data processing and storage, a control parameter settings, an electronic expansion valve real-time status monitoring, a valve control and an output display. …
Application Of A New Type Of Fluorine Free Refrigerant Hcr22 In Food Refrigeration System,
2017
Food Science and Engineering College, Qingdao Agricultural University, Qingda, Shandong 266109, China; Qingdao Key Lab of Modern Agricultural Quality and Safety Engineering, Qingdao, Shandong 266109, China
Application Of A New Type Of Fluorine Free Refrigerant Hcr22 In Food Refrigeration System, Liu Jinguang, Xiong Xubo, Wang Shiqing, Luan Mingchuan, Zhang Yan, Jiang Wenli
Food and Machinery
In order to explore the feasibility of the application of new fluorine free refrigerant in the existing refrigeration system, a traditional one based on R600a refrigeration, a testing equipment of new refrigeration system was designed. This new testing equipment was dominated by a cooling equipment, temperature tester and pressure detector. In this study, the refrigerant R600a replaced by a new type of fluorine free refrigerant HCR22, and the coefficient of performance and cold storage capacity were taken as indexes, and conducted an experiment for 12 h, the refrigerating capacity of two refrigerants in different quantity of charging ratio was studied. …
Control System Of Distributed Cabinet Based On Thermoelectric Cooler For Fruits And Vegetables,
2017
College of Engineering, South China Agricultural University, Guangzhou, Guangdong 510642, China; Guangdong Engineering Research Center of Agricultural Product Cold Chain Logistics, Guangzhou, Guangdong 510640, China
Control System Of Distributed Cabinet Based On Thermoelectric Cooler For Fruits And Vegetables, Zou Chidao, Lu Enli, Lu Huazhong, Zeng Zhixiong, Zhao Junhong
Food and Machinery
Preservation of environment temperature is an important factor to protect distribution quality of fruits and vegetables. In this paper, distributed cabinet based on thermoelectric cooler (TEC) for fruits and vegetables was studied while control system based on ATmega16 microprocessor of AVR series was designed. By using ICCV7 for AVR software platform and C program, software of control system was researched. After ambient temperature of distributed cabinet and water temperature of TEC system were acquainted, executions such as TEC, fans and pumps were control automatically by using a dual limit control methods. Persevered temperature of distributed cabinet and high temperature protection …
Extraction And Antioxidant Activity In Vitro Of Flavonoids In Cold Pressed Cake Of Zanthoxylum Armatum Dc. Prodr.,
2017
Sichuan Agricultural University College of Food Science, Ya’an, Sichuan 625014, China
Extraction And Antioxidant Activity In Vitro Of Flavonoids In Cold Pressed Cake Of Zanthoxylum Armatum Dc. Prodr., Wang Chunxia, Pu Biao, Jiang Yan, Fu Benning
Food and Machinery
Response surface methodology was used to optimize the microwave- assisted extraction of flavonoids from cold pressed cake in Zanthoxylum armatum DC. Prodr， and the antioxidant activity in vitro of flavonoids were analyzed. The results showed that the optimum extraction process of flavonoids were： microwave power 506 W, microwave treatment time 256 seconds, ethanol concentration 75%, ratio of liquid to material 501. Under this condition, extraction ratio of flavonoids was 0.40%±0.04% ( in terms of rutin). The reducing power, the hydroxyl free radicals, DPPH free radicals, scavenging capacity of flavonoid extracts were increased gradually with the increasing of the mass concentration, …
The Detection Of The Chemical Components In Oenanthe Javanica And Its Hypoglycemic Activity,
2017
Guiyang Nursing Vocational College, Guiyang, Guizhou 550081, China
The Detection Of The Chemical Components In Oenanthe Javanica And Its Hypoglycemic Activity, Guo Xiaoqing, Wei Longhua, Dai Tiantian, W Uqing
Food and Machinery
The chemical components of Oenanthe javanica from Guizhou and the hypoglycemic effect of its extracts on the diabetic mice induced by streptozotocin (STZ) was investigated in this paper. The chemical composition type in the wild O. javanica was detected in a single prediction experiment by using various chemical components of natural medicine. The total phenolic acids, flavonoids and sugar of O. javanica were determined by spectrophotometry. Diabetic mice model was established by STZ, and metformin was used as a positive control, the extracts from O. javanica was fed, blood glucose was measured. The results showed that O. javanica contained phenols, …
Study On Isolation And Antioxidant Activity Of The Polysaccharide From Ganoderma Lucidum,
2017
College of Biological and Chemical Engineering of Hainan Institute of Science and Technology, Haikou, Hainan 571126, China
Study On Isolation And Antioxidant Activity Of The Polysaccharide From Ganoderma Lucidum, Xu Xuefeng, Li Guijuan, Yan Hao, Zhang Yu, Zhang Jingchang
Food and Machinery
Isolation, purification and antioxidant activity in vitro of polysaccharide from Ganoderma lucidum were studied. Polysac-charide was extracted from G. lucidum, and three fractions were isolated through ion exchange chromatography and allyl dextran gel chromatography from them, including GLPa-2, GLPb-1, and GLPc. The weight-average molecular weight was detected by gel permeation chromatographic, and then monosaccharide composition was detected by gas chromatography. The results were described as follows. The component parts of polysaccharides were composed of glucose, arabinose, xylose and mannose, with different containing rates, and the average molecular weight of GLPa-2, GLPb-1, GLPc was detected to be 3.65×105 Da, 3.87×10 …
The Analysis Of Resveratrol Contents And Their Antioxidant Activity In Different Varieties And Tissues Of Grapes,
2017
College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
The Analysis Of Resveratrol Contents And Their Antioxidant Activity In Different Varieties And Tissues Of Grapes, Chen Mengwei, Deng Qunxian, Zhang Jinrong, Lu Xiulan, Xia Hui, Wang Jin
Food and Machinery
The stems, skin and some varieties of grape seeds from six varieties classified as three kinds of color grape were used to extracted the resveratrol by organic solvent and then detected its content by HPLC. Moreover, the effect of resveratrol on DPPH radical and hydroxyl radical scavenging ability were also studied. The results showed that the resveratrol content in different grape varieties and tissue distributed differently, and the volume decreased in fruit stem, skin, and pip orderly. Furthermore, it was also found that the resveratrol content in the varieties of purple-black was the highest in the fruit skin, but it …
