Identification Of Contamination Microbes Separated From Finished Deterioration Sauce And Analysis Of Deterioration Reason,
2016
College of Chemical & Biological engineering, Changsha University of Science & Technology, Changsha, Hunan 410004, China
Identification Of Contamination Microbes Separated From Finished Deterioration Sauce And Analysis Of Deterioration Reason, Jiang Xuewei, Zhou Shangting, Ye Jing, Xu Yiqi, Chen Sheng, Wu Can
Food and Machinery
The sterilization effect of soy sauce under different conditions were studied, the optimal parameter is 130 ℃ maintained 15 s. Tracking and analyzing the degree of pollution with each process of sterilization- filling and diatomite, the result showed that the aerobic and anaerobic viable count of the sterilized sauce reached its peak after adding the diatomite in the frame filtering process, the total number of bacteria are 4.9×103 CFU/mL and 3.1×103 CFU/mL respectively, the diatomite is the contamination source and the filtration process is the main contamination point. Separation of contamination microbes in diatomite and finished deterioration sauce, …
Determination Of Total Polyphenolsin Barley Spent Gains By Folin-Ciocalteu Colorimetric Method,
2016
College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, Hubei 430023, China
Determination Of Total Polyphenolsin Barley Spent Gains By Folin-Ciocalteu Colorimetric Method, Mei Jin, Ding Wenping, Xiong Jinjuan, Zhuang Kun
Food and Machinery
The total polyphenol content in barley spent gains were analyzed by Folin-Ciocalteu method. The optimum conditions were investigated using gallic acid as standard. and were as followed: Folin-Ciocalteu reagent 1.0 mL, 8% Na2CO3 3.0 mL, developing temperature 25 ℃, reaction time 60 min, in darkness. Then the solution was detected at the wavelength of 760 nm. When the gallic acid was in range of 0～8 μg/mL, the concentration and the absorbance value had a good linear relationship. The regression equation was found as followed: y=0.121x+0.017 1, R2=0.999 2. This method had advantages of conciseness, good stability and high accuracy, which …
Study On Stability And Antibacterial Activity Of Galangal Extracts,
2016
College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, Guangdong 524088, China; Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang, Guangdong 524088, China; Key Laboratory of Advanced Processing
Study On Stability And Antibacterial Activity Of Galangal Extracts, Li Zhongmei, Huang He
Food and Machinery
The broad-spectrum antimicrobial, extract minimum inhibitory concentration (MIC), bactericidal concentration (MBC) of the galangal extract were studied by Oxford cup method and double dilution method. This paper compared the minimum inhibitory concentration of the galangal extract with common food preservative sodium potassium sorbate’s, benzoic’s, meanwhile, the stability of galangal extract was studied through effects of light, temperature, pH, salt, sugar concentration. The results indicated that: the order of extracts antibacterial activity was as Staphylococcus aureus > Bacillus cereus > parahaemolyticus > Bacillus thuringiensis > B. Subtilis > Salmonella > Shewanella > E. coli. The Bacillus cereus MIC was 0.012 5 mg/mL, Staphylococcus aureus MIC was 0.098 mg/mL, …
Design And Performance Of Heat Pump Intermittent Pasteurization Machine,
2016
College of Mechanical Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
Design And Performance Of Heat Pump Intermittent Pasteurization Machine, Chen Dong, Li Guosheng, Xie Jihong, Shi Xiang
Food and Machinery
An easily-realized heat pump intermittent pasteurization machine was designed. Its structure and working processes were studied, and its key components were chosen or designed, including the bactericidal vessel, the hot water tank, the cool water tank and the heat pump. Based on detailed calculation of its working period and energy consumption, a comprehensive comparison was given between the heat pump intermittent pasteurization machine and normal pasteurization machine. The results show that the heat pump intermittent pasteurization machine has marked advantages: besides its long working life and high safety, the running power and energy consumption of the heat pump intermittent pasteurization …
Analysis Of Horizontal Tank With Jacket Based On Ansys Workbench,
2016
Advanced Manufacturing Technology Center, Shandong University of Science and Technology, Qingdao, Shandong 266590, China
Analysis Of Horizontal Tank With Jacket Based On Ansys Workbench, Jia Mingxia, Zhong Peisi, Yang Mei, Zhang Xiaodong, Lin Weiwei, Lv Xiaodong
Food and Machinery
Targeting at the horizontal tank with jacket from a certain project as the research subject, applying the finite element software ANSYS Workbench, the structural static analysis showed that under the full load and the snow condition the deformation and stress were similar and the reinforced rib had significantly effect on the tank. Meantime, the response spectrum analysis told that under the seismic condition the maximum stress occurred in the saddle, which was lower than the allowable stresses of the materials. The reliabilities of the tank were validated, and optimization method was presented.
Experimental Study On Operation Characteristics Of Constant Temperature And Humidity Air Conditioning Unit Used In Wine Storage Room,
2016
University of Shanghai for Science and Technology, Shanghai 200093, China
Experimental Study On Operation Characteristics Of Constant Temperature And Humidity Air Conditioning Unit Used In Wine Storage Room, Wang Shaoqing, Xu Jing, Li Dong, Hu Haiyang, Lu Yi
Food and Machinery
Wine storage process is determined by the brewing method, where the temperature and humidity are the extremely important parameters, and the constant temperature and humidity environment is a necessary condition for the storage of high-quality wine. This paper put forward a PID cascade control method with the temperature and humidity controlled separately based on DC-inverter constant temperature and humidity air conditioning unit with condensing heat recovery, and study experimentally the operation characteristics of the air conditioning unit, the experimental results show that this method can achieve precise control of temperature and humidity (temperature control precision is ±0.2 ℃, relative humidity …
Improved Design And Engineering Application Of Feeding Material Liquid Temperature Control System,
2016
Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou, Henan 450000, China
Improved Design And Engineering Application Of Feeding Material Liquid Temperature Control System, Song Weimin, Xu Xiaoguang, Li Chunguang, Xiong Anyan, Sun Mi
Food and Machinery
In order to solving the problem of feeding machine barrel steam heating, the material liquid temperature control precision and anxious burnt phenomenon, using hot water instead of steam of the material liquid to increase temperature compensation control, the barrel structure is improved, heat exchange area is increased, and the liquid temperature rise time has been shorten. The results show that: the liquid temperature has been controlled in the range from 40 to 50 ℃(control accuracy ±2 ℃), and the liquid to be heated up to the set temperature reduces the time that is spent more than 30%.
Improvement Of Zj17 Cigarette Machine In Cigarette Paper Sizing System,
2016
Technology Center, Henan Branch of China Tobacco Industry Co., Ltd., Zhengzhou, Henan 450000, China
Improvement Of Zj17 Cigarette Machine In Cigarette Paper Sizing System, Xiong Anyan, Sun Jiuzhe, Su Dongying, Ding Meizhou, Wang Erbin
Food and Machinery
Improvement was made on the cigarette paper sizing system of ZJ17 cigarette machine. The gear pump and the mass flow meter is between the original rubber cylinder and spray nozzle, and through the PLC controller to control the servo motor to drive the gear pump, the mass flow meter tracking feedback, the sizing of cigarette paper uniform stability. Application effects showed that the standard deviation of a cigarette machine sizing decreased from 0.17 mg per cigarette to 0.02 mg per cigarette, different equipment sizing from the original difference 2.35 mg per cigarette reduced to the maximum difference 0.30 mg per …
Improment On Ration Filling Machine Of Grain By Electromagnetic Vibrating,
2016
South China University of Technology Institute of Guangzhou, Guangzhou, Guangdong 510800, China
Improment On Ration Filling Machine Of Grain By Electromagnetic Vibrating, Feng Ying
Food and Machinery
Acording to the problems in traditional grain food ration filling machine, and from the automatic machine hardware designs, algorithms, software design, anti-jamming design of multiple perspective, quantitative packing of fuzzy-PID control algorithm of dynamic weighing, and optimal chip disposal procedures, simplified the peripheral hardware design and reduced development costs. Field test results show, the new packaging control machines is stable, divide errors reduced by 94.6%, and can meet the needs of grain food production.
Design Of Oil-Water Separation Commercial Frying Machine With Automatic Feed-In And Feed-Out Device,
2016
Changzhou College of Information Technology, Changzhou, Jiangsu 213164, China; Changzhou Key Laboratory Plastic Parts Intelligence Manufacturing, Changzhou, Jiangsu 213164, China
Design Of Oil-Water Separation Commercial Frying Machine With Automatic Feed-In And Feed-Out Device, Yang Guifu
Food and Machinery
This article states the reform of the commercial automatic-multifunction frying machine with both machine design and automation technology, which aims to achieve the frying foods being fed in and out automatically as well as the oil-water separation for oil saving. It proposes the overall solution and the general design of both mechanical part and electrical control section, and elaborates on the automatic control device of water for oil-water separation, reduction gearbox, mechanism of chain and chain wheel, driving shaft coupler and bearing block, claw structure for catching fried food. This reformed device will have bright application prospect for it can …
High Speed Sorting Robot For Non-Typical Food Production Systems,
2016
Jiangxi University of Technology, Department of Mechanical Engineering, Nanchang, Jiangxi 330098, China
High Speed Sorting Robot For Non-Typical Food Production Systems, Yan Peipei
Food and Machinery
In order to solve the sorting technology problem in food production caused by more kinds of food and the big differences, and based on the parallel robot and visual technology, operation scheme of the sorting system was designed. At the present, the sorting system of domestic and foreign technology of the design is not mature in the area of complex packaging and small volume of food. According to the functional requirements of high-speed robot vision system, the hardware system of different food location and classification is more accurate, and complete the software design of control system. Through the research on …
Application 3d Printing Technology In Cream Industry Design,
2016
Henan University of Economics and Law, Zhengzhou, Henan 450046, China
Application 3d Printing Technology In Cream Industry Design, Yao Qinghua
Food and Machinery
The pastry cream in the food industry is fast moving consumer goods, having a thick, thick, sticky characteristics. According to the characteristics creamy food processing, and combining computer technology, designed cream printer program, including the power module, control module, execution module and driver module 3D. The program which draws on jet technology, three-phase machine control technology solve that the cream is not easy mobility, to ensure ease of cleaning. In the design of equipment and facilities mature organic combination. And key components and technologies make specific instructions.
Effect Of High-Pressure Carbon Dioxide Treatment To Keeping Quality Of Button Mushroom (Agaricus Bisporus),
2016
Institute of Agro-products Processing, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
Effect Of High-Pressure Carbon Dioxide Treatment To Keeping Quality Of Button Mushroom (Agaricus Bisporus), Li Jing, Li Shunfeng, Tian Guangrui, Wang Anjian, Nie Bo, Yuan Qingli
Food and Machinery
The purpose of this study was to investigate the effect of high-pressure carbon dioxide (HPCD) treatment on quality of button mushroom (Agaricus bisporus). Mushrooms were dipped for short time in different HPCD, then stored at 4 ℃ for 8 days (d). Changes in the weight loss, firmness, color, total phenolics, ascorbic acid and activities of polyphenol oxidase (PPO), phenylalanine ammonia lyase (PAL), and peroxidase (POD) were measured. The results indicated that 0.3 MPa CO2 maintained a high level of firmness, delayed browning, promoted the accumulation of phenolics, ascorbic acid, inhibited the activities of PPO and POD, and increased PAL …
Effects Of Ramulus Cinnamomi Extracts On Fresh-Keeping Of Xinyu Tangerine,
2016
College of Agronomy, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, China
Effects Of Ramulus Cinnamomi Extracts On Fresh-Keeping Of Xinyu Tangerine, Chen Yuhuan, Peng Xuan, Chen Chuying, Wan Chunpeng, Chen Jinyin
Food and Machinery
Effects of Ramulus cinnamomi on fresh-keeping of Xinyu tangerine were investigated during storage at (5±1) ℃ and RH 85%~90%. The results showed that Ramulus cinnamomi extracts significantly reduced decay rate, weight loss rate and MDA content of fruits in comparison with the control group after 30~90 days cold storage. At the same time, the extracts treatment could also delay the degradation speed of total soluble solids (TSS), titratable acidity (TA), Vitamin C (VC) and total sugar content, keep higher SOD, PAL, POD and PPO activities in comparison with the control group, which suggested that Ramulus cinnamomi extracts effectively …
Research On Quality Change Of Leisure Dried Tofu During Storage,
2016
Department of Biological and Chemical Engineering, Shaoyang University, Shaoyang, Hunan 422000, China
Research On Quality Change Of Leisure Dried Tofu During Storage, Bu Yufang, Li Wenqiang, Xie Linglai, Zhao Liangzhong
Food and Machinery
The quality changes of leisure dried tofu was investigated during storage under room temperature. The results showed that: the quality of dried tofu was getting worse with duration of storage time. From 60 to 90 days, the component contents and texture of dried tofu changed slightly; As time was prolonged from 90 to 180 days, there was significant change in contents and texture. Moisture decreased sharply, protein and fat increased significantly, carbohydrate decline gradually; the hardness, chewiness, cohesiveness increased, and resilience decreased. It was concluded that the change of texture is mainly caused by component contents of dried tofu, the …
Analysis On Waxberry Domestic Aviation Logistics Transportation Environment And Suggestion Of Packaging Design,
2016
School of Art and Design, Changsha University of Science & Technology, Changsha, Hunan 410004, China
Analysis On Waxberry Domestic Aviation Logistics Transportation Environment And Suggestion Of Packaging Design, Li Juanjuan
Food and Machinery
In china, aviation logistics transportation is best choice in. long distance transportation for Waxberry. The waxberry is perishable fruits, so the preservation time is shorter, and the storage conditions are strict. In this paper, combining with the characteristics in cargo of plane, which type is domestic air transport usually used, and analysis the temperature of the environment, encountered the size requirements, air cargo specification and other problem in waxberry aviation logistics transportation process. The waxberry aviation logistics packaging should be constant temperature container, enclosure to be rounded handle, design buffer structure in the packaging, and mark transport requirement in the …
Effects Of Wheat Gluten Hydrolysate On Ulcerative Colitis Of Mice,
2016
Anhui Ruifuxian Food Co., Ltd., Bozhou, Anhui 236800, China
Effects Of Wheat Gluten Hydrolysate On Ulcerative Colitis Of Mice, Fang Songping, Yan Bin, Zhu Benguo, Liu Liya, Zhou Xianrong, Zhou Sumei, Cheng Baokui
Food and Machinery
Wheat gluten was hydrolyzed by a specific enzymatic process for prepared Gln-rich wheat gluten hydrolysate(WGH), explored the regulatory effect of WGH on ulcerative colitis by dextran sulfate sodium (DSS) induced colitis model in mice. The results showed that the WGH could alleviate the weight loss and clinical symptoms of DSS-induced colitis in mice, improved the antioxidant capacity of colonic tissue and alleviate the secretion of inflammatory cytokines and the infiltration of inflammatory cells in the colonic tissue of mice. The WGH can efficiently reduce the intestinal inflammation with ulcerative colitis in mice.
Study On Extraction Technology And Antioxidant Activity Of Polyphenols From Lotus Root,
2016
College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan, Hubei 430023, China
Study On Extraction Technology And Antioxidant Activity Of Polyphenols From Lotus Root, Xu Yanyan, Sun Jie, Chen Yahui, Wang Hongxun, Min Ting, Hzou Min
Food and Machinery
To establish the extraction technology of polyphenols from lotus root, the polyphenol yield and DPPH free radical scavenging rate were investigated to optimize the technological parameters. Then, the polyphenol composition and antioxidant activity of extracts were comparatively analyzed. The parameters of technology A optimized by polyphenol extraction yield were as follows: volume ratio of hydrochloric acid to methanol was 22∶78 (V∶V), homogenization time was 6.8 min and homogenization speed was 10 500 r/min. Those of technology B optimized by DPPH free radical scavenging rate were as follows: volume ratio of hydrochloric acid to methanol was 19∶81 (V∶V), homogenization time was …
Purification Of Fructo-Oligosaccharide By Membrane Separation Process Combined With Macroporpus Resin,
2016
Department of Food Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Purification Of Fructo-Oligosaccharide By Membrane Separation Process Combined With Macroporpus Resin, Liu Bin, Cao Dong, Meng Qingran
Food and Machinery
A certain amount of glucosefructose, sucrose and inulin are still exist in the solution of fructo-oligosaccharide which is obtained by hydrolysis of inulin. Fos solution was purified by the membrane separation process and macroporpus resin. The purification effect for Fructo-oligosaccharide of four kinds of resins (CSR-1Na, CSR-2Na, CSR-3Na, CSR-1Ca) was compared,the optimum was CSR-1Na. The effects of filtration pressure, circulation flow rate, pH on the transmittance of sugars and the permeation flux were studied. The optimum conditions for ultrafiltration were filtration pressure of 10 bar, pH of 6.0, circulation flow rate of 2 L/min, twice and the transmissivity ratio of …
Purification Of Polyphenols From Synsepalum Dulcificum Seed With Macroporous Resins,
2016
College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China
Purification Of Polyphenols From Synsepalum Dulcificum Seed With Macroporous Resins, Ma Yidan, Liu Hong, Ma Sicong, Yan Ruixin, Liao Xiaowei
Food and Machinery
Taking the absorbability and desorption properties as parameters, the purifying conditions of polyphenol from Synsepalum dulcificum seed by macroporous resins, compared with five types of macroporous resins were investigated. The result showed that the X-5 macroporous resins was the best one. Through a nonlinear curve fitting with the Langmuir adsorption models, it was found that the fitting degree of adsorption isotherm and Langmuir function curve was very high. The optimal adsorption process conditions were as followed: pH 5.8, 1.0 mL/min adsorption velocity. Besides, the best desorption conditions were: sample volume 100 mL, desorption velocity of flow 1.5 mL/min, dynamically elute …
