Hybrid Neural Network Based On Software Measurement For Dm423 Biomass During Batch Cultivation,
2016
Department of Biology and Chemical Engineering, Shaoyang University, Shaoyang, Hunan 422000, China; Soybean Processing Techniques of the Application and Basic Research Base in Hunan Province, Shaoyang, Hunan 422000, China
Hybrid Neural Network Based On Software Measurement For Dm423 Biomass During Batch Cultivation, Zeng Xiangyan, Zhao Liangzhong, Li Bing, Li Lin
Food and Machinery
The biomass concentration estimated by the static feedforward multiplayer neural network of 5-5-1 topology and hybrid neural network - microbe growth model with five inputs of culture time, temperature, pH and dissolved oxygen and glucose concentration. The result showed that the static feedforward multiplayer neural network mean squared error (MSE) of testing samples 1.73×10-3. And hybrid neural network - microbe growth model offered a much better generalization accuracy than that of single neural network model, with MSE of testing samples of 0.25×10-3, it was found that there was some deviation between estimated biomass and actual values …
Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca,
2016
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca, Gong Yinyin, Yang Dawei, Gao Xiaoting
Food and Machinery
In order to reduce loss of alkaloids to improve chewing quality during the heat treatment process of areca, the dried areca were used as test materials to investigate the effect of factors about boiling wash and drying after wash as well as drying after flavoring on mass transfer of alkaloids in the shell of betel nut. Based on the mass transfer characteristics of alkaloids, the optimum parameters of heat treatment process were designed. The results showed that alkaloids from nuclear of areca will be dissolved out and transfer in the shell, then diffusing from the shell to the surface, the …
Research On Qualitative Analysis Of Vinegar By Using Near-Infrared Spectroscopy Combined With Som And Svm,
2016
College of Mechanical and Electronic Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
Research On Qualitative Analysis Of Vinegar By Using Near-Infrared Spectroscopy Combined With Som And Svm, Hao Yong, Zhao Xiang, Wen Qinhua, Chen Bin
Food and Machinery
Near-infrared spectroscopy (NIRS) combined with two discriminative analysis methods including self-organization mapping (SOM) and support vector machine (SVM) were used for discriminant analysis of vinegar with different production year and brand. Continuous wavelet transform (CWT) was adopted for spectra preprocessing. Principal component analysis (PCA) was used for spectra dimension reduction and space distribution analysis. The results shown that CWT can effective eliminate spectra translation error. PCA can greatly reduce characteristic spectrum variables and improve modeling efficiency. For identification of vinegar with different production year, the CWT-PCA-SOM method can get 97.37% correct recognition rate (CRR), and the CWT-PCA-SVM method can get …
Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple,
2016
Food College Shihezi University, Shihezi, Xinjiang 832003, China
Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple, Sun Lihua, Qian Huiping, Li Zhiwen, Chen Jiluan, Pang Xuequn, Yan Shijie
Food and Machinery
A rapid and sensitive method was established for the accurate determination of patulin in fresh apples. Experimental parameters including extraction methods, mobile phase composition and flow rate for HPLC which always affect the sensitivity and analysis efficiency of the method were optimized systemically. The results indicated that solid phase extraction (SPE) techniques using functionalized polystyrene-divinylbenzene column (PEP) exhibited satisfactory recoveries comparing with other extraction methods. Under the optimized chromatographic conditions, patulin could be well separated from other impurities within 4 min, and detected with a wide linear range between 10-25 000 μg/L and a detection limit of 10 μg/L (S/N=3) …
Study On Enhancing Antibacteial Activity Of Lactobacillus Plantarum Fmb10 Through Composite Mutagenesis,
2016
School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou, Fujian 363000, China
Study On Enhancing Antibacteial Activity Of Lactobacillus Plantarum Fmb10 Through Composite Mutagenesis, Chen Yunyun, Lu Zhaoxin, Dang Lijuan, Gao Yuqi
Food and Machinery
Induced mutation of Lactobacillus plantarum fmb10 divided from pineapple was performed by Co60γ, low-energy N+ beam irradiation, DES, EMS and composite mutagenesis, respectively, to enhance the antibacterial activity. The results showed that Lactobacillus plantarum fmb10 was sensitive to low-energy N+ beam and EMS irradiation, and a high-activity strain fmb10-Z with stable inheritance and forward mutation was obtained after the treatment of EMS-low-energy N+ beam composite mutagenesis. The bacteriostatic diameter against E.coli was increased by 23%, and the antibacterial activity of the mutant fmb10-Z was increased 1.5 times compared with original strain.
Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry,
2016
University of Shanghai for Science and Technology, Shanghai 200093, China
Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry, Li Qianyun, Zhou Guoyan, Cao Lei
Food and Machinery
The orthogonal array design methods were applied to analyze the influence of H2O2 volume/HNO3 volume/microwave digestion time three factors and their interaction on the extraction of Cd，select an optimized progress to extract Cd from shrimps. The experimental results showed that when H2O2 volume was 1.0 mL, HNO3 volume is 5.0 mL, microwave digestion time was 13 minutes and 46 seconds, under these conditions，the contents of Cd reached 0.497 mg/kg. Determination of GBW10050 (big shrimps) showed that contents of Cd have the same results with standards values. Method limits of detection were obtained …
Functions And Route Of Food Safety In The Financial Performance Of Enterprises,
2016
Audit Department of An Hui Audit College, Hefei, Anhui 230601, China
Functions And Route Of Food Safety In The Financial Performance Of Enterprises, Wang Laigen
Food and Machinery
Food enterprises have the ability to guarantee food safety, will inevitably lead to the interests of the stakeholders to make a choice of behavior, which can affect the interests of enterprises, and ultimately reflect the financial performance of enterprises. By examining the function of food safety in the financial performance of enterprises, it can be found that the food safety affects the attitude of the consumers, the government and the public opinion, so that food companies can improve the financial performance. Therefore, financial performance has the function of promoting food enterprises to fulfill their food safety guarantee responsibilities. However, due …
Research On Self-Navigation System Of Material Grabbing Robot Based On The Inverse Kinematics Analysis,
2016
Department of Mechanical and Electric Engineering, Zhongyuan University of Technology, Zhengzhou, Henan 450007, China
Research On Self-Navigation System Of Material Grabbing Robot Based On The Inverse Kinematics Analysis, Li Feng, Zhang Xuesong, Yue Yun, Zhang Zhongmei
Food and Machinery
In order to achieve robot self-navigation, based on the inverse kinematics solution of D-H method, the navigation analysis of food material grabbing robot is carried out and the robot navigation positioning solutions were obtained. Through the combination of hardware and software of the robot, the automatic navigation control principle of the robot is described in the form of STL statement, realizing the robot positioning calculation. The efficiency and stability of robot navigation system are verified by practical production, which proves that it was well suited to food material grabbing production line.
Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer,
2016
College of Technology Engineering, Zhongzhou University, Zhengzhou, Henan 450044, China
Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer, Wang Zhencheng, Liu Airong, Wei Jinying, Zhao Yongjie
Food and Machinery
The axisymmetric thin walled housing model for the thin-walled housing of YPG-22500 flour pressure spray dryer was established, and the typical equation of energy method based on the thin-walled housing theory under the elastic-plastic deformation was listed, and the calculation method and condition on strain strength and deformation stiffness were also given. According to the assuming boundary condition on both ends of the housing and to the working environment of cycle fatigue and to the actual situation of materials line hardening, integrated the typical equation successively by the computer to obtain the numerical approximate solution matched the requirement and the …
Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder,
2016
College of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou, Henan 450007, China
Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder, Jia Lele, Ruan Jinglan
Food and Machinery
The models of Rubber Roller Husker Vibrating Feeder and rice particle are obtained through the discrete element analysis software EDEM. Simulate the movement of material flow in the vibrating feeder by setting up the corresponding parameters. The average speed of single particle is 0.22 m/s roughly under the theoretical parameters, and the average velocity of material flow is around 0.24 m/s. The trajectory is achieved and the feeding uniformity is discussed. In order to verify the feasibility of the simulation results, adopt vibration meter GM63B to measure the actual velocity of material flow under the different amplitude in the experimental …
Experimental Study On Washing Machine Combined Brush-Roller And High-Pressure Gas Spraying For The Bay Scallop,
2016
College of Mechanical and Electrical Engineering, Agricultural University of Hebei, Baoding, Hebei 071001, China
Experimental Study On Washing Machine Combined Brush-Roller And High-Pressure Gas Spraying For The Bay Scallop, Yang Shuhua, Teng Guijun, Li Na, Yi Jinggang, Wang Jie
Food and Machinery
Facing with the problem that manual cleaning for bay scallop is Labor-intensive, low efficiency，poor health conditions and the demands of industrialization and mechanization production. A kind of double-brush-roller and high-pressure gas spraying combined washing machine was designed, which was efficient and energy saving. It solved the problem that the survival rate of scallops cleaned by high-pressure water. It has been determined that on the premise of scallops cleaning effect and the efficiency, the highest cleaning degree of removing impurity could reach 3.848% and the survival rate could reach 98% under the parameter combination, that the roll core distance of the …
Optimization Design Of Heat Exchanger For Plate Type Heat Exchanger,
2016
Mechanical and Electrical Engineering Institute, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Optimization Design Of Heat Exchanger For Plate Type Heat Exchanger, Zhang Yu, Xie Jiefei
Food and Machinery
Based on the previous research of small batch of grain drying process, exchange the batch type recirculating grain dryer tube for heat exchanger with plate heat exchanger, with easier access to 100 DEG C high temperature steam instead of 800 DEG C flue gas, at the same time, plate heat exchanger can also adopt a more efficient material. Finally, using the matlab optimization toolbox for plate heat exchanger model optimization, under the guarantee for thermal efficiency unchanged, the size of the heat exchanger was optimized. Research has shown that after improvement is higher than before the heat exchanger in heat …
Design And Structure Optimization Of The Multi-Spots Starter-Pressing Machine Of Daqu In Chinese Spirits,
2016
Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China
Design And Structure Optimization Of The Multi-Spots Starter-Pressing Machine Of Daqu In Chinese Spirits, Xie Liangliang, Tian Jianping, Yang Haili, Zhang Liangdong, Meng Sidong
Food and Machinery
Considering the paste and wine can not meet the effect of the artificial bending due to the single structure and poor controllability of the existing Daqu liquor knee-piece bending press machine，which result in the discordance of the Daqu overall tightness. A new multiple-points flexible controlled bending press machine was designed. A multitude of hammers in different combinations repeatedly and multiple-points with flexibility crowed and sheared the block, which simulated the artificial start-pressing and block-making, so that better effect of the block with moderateness and uniformity could be achieved. The key component of which supporting plate structure was optimized and analyzed …
Improved Design Of Servomechanism Drive System In Flavoring Feeding,
2016
Hunan Branch of China Tobacco Industrial Corporation, Changsha, Hunan 410014, China
Improved Design Of Servomechanism Drive System In Flavoring Feeding, Wu Wenqiang, Yi Hao, Liu Bin, Liu Yong, Zhang Hui, Zhang Xuewu, Xu Junmin
Food and Machinery
According to the low flavoring accuracy in the traditional frequency conversion feeding pump drive system,the the feed pump drive system was improved, the servo motor system was used to drive the liquid feeding, and the control program is optimized. After the modification of the system, the cumulative added essence increased from 0.09% to 0.15%, to ensure the uniformity of spiced charging, improve the product quality, reduce the production cost.
Determination On Freshness Of Strawberry Based On Electronic Nose And Ethanol Sensor,
2016
Department of Food and Bioengineering, Bengbu College, Bengbu, Anhui 233030, China; College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
Determination On Freshness Of Strawberry Based On Electronic Nose And Ethanol Sensor, Xu Jing, Zhao Xiujie, Sun Ke, Wang Zhuo, Tu Kang
Food and Machinery
“Hongyan” strawberry was selected as test materials, with the storage temperature of 4 ℃, humidity of 85%~95%, to detect the strawberry freshness based on flavor. Electronic nose (e-nose) and the single ethanol sensor were used to collect the odor of strawberry during storage period. The strawberry was divided into four stages based on the changes of sensory evaluation score and Principal component analysis. By using the partial least squares discriminant analysis (PLS-DA) and classification support vector machine(SVM-C), the model of fresh degree of strawberry was established based on odor discrimination. The overall accuracy for modeling group and validation group were …
Effect On Preservation Of Sugarcane Juice With Chitosan And Lemon Juice,
2016
College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China;Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, Neijiang, Sichuan 641100, China
Effect On Preservation Of Sugarcane Juice With Chitosan And Lemon Juice, Shen Wangqing
Food and Machinery
To study the effect on preservation of sugarcane juice with chitosan and lemon juice, the mass fraction of chitosan, sterilization temperature, sterilization time and dosage of lemon juice were studied by the single factor, then L9(34) was designed. The preservation effect were determined by the change of physicochemical characteristics (pH, Vc content, sugar content, acidity and soluble solids) and sensory evaluation of the sugarcane juice, meanwhile the samples were characterized by ultraviolet spectrum. The result showed that the best combination were the mass fraction of chitosan of 1%, the sterilization temperature of 90 ℃, the sterilization …
Preservative Effect Of Active Films Containing Pomegranate Peel Extract As Antimicrobial Agent On Chilled Pork,
2016
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Preservative Effect Of Active Films Containing Pomegranate Peel Extract As Antimicrobial Agent On Chilled Pork, Hu Shuaifeng, Xie Qingchao, Liang Xianbo, Li Li
Food and Machinery
With 1.5% of pomegranate peel extract (PPE) as antimicrobial agent, polyethylene resin (PE) and polypropylene resin (PP) as base material, PE, PPE—PE, PP/PPE—PE active films were prepared and their basic properties were investigated. Pork stored at refrigeration (4±1) ℃ with PE, PPE—PE, PP/PPE—PE active packaging films, and the effects of preservation were evaluated by total viable count (TVC), total volatile basic nitrogen (TVB-N), pH value, thiobarbituric acid (TBA) value, drip loss and sensory scores. PPE—PE film was 1.96 times the oxygen transmission rate of PE film, 4 times of PP/PPE—PE film. PPE caused the light transmittance of PE film decreased, …
Effect Of Different Packaging Conditions On Storage Quality Of Akesu Walnut,
2016
College of Life Sciences, Tarim University, Alar, Xinjiang 843300, China; Construction Corps Key Laboratory of Deep Processing on Featured Agricultural Products in South Xinjiang, Alar, Xinjiang 843300, China
Effect Of Different Packaging Conditions On Storage Quality Of Akesu Walnut, Wang Ping, Song Lijun, Lu Jiankang, Hou Xujie
Food and Machinery
In order to find the best way of physical preservation and storage conditions of xin 2 in Akesu, using aluminum foil packaging, Inflatable packaging, vacuum packaging to wrap the walnuts were stored in low temperature (4 ℃) and room temperature (25 ℃), and controlled trial. Determining the acid value, koettstorfer numbe, iodine number, glucosinolates barbituric acid value, the peroxide value, the activity of lipase, peroxidase, catalase activity of oil from walnut, which change made as oxidation quality evaluation index, to study the difference of the changes of the indexes of different storage conditions using variance analysis. The results showed that: …
Study On Monosaccharide Component And Immunomodulatory Activity Of Water Soluble Polysaccharides From Lettuce Stem,
2016
Department of Food Science and Engineering, College of Tea and Food Technology, Anhui Agricultural University, Hefei, Anhui 230036, China
Study On Monosaccharide Component And Immunomodulatory Activity Of Water Soluble Polysaccharides From Lettuce Stem, Wang Mingchun, Nie Chenzhipeng, Zhu Peilei, Zhao Shiwei, Wang Naifu, Zeng Xiaoxiong, Zhou Yibin
Food and Machinery
In order to study polysaccharides of lettuce stem, lettuce stem was used as materials to prepare water soluble polysaccharides with the method of water extraction-alcohol precipitation. Monosaccharide components and immunomodulatory activities of polysaccharides were measured by using HPLC and administration route of RAW 264.7 macrophage cells. The results demonstrated that lettuce stem polysaccharides were mainly composed of galacturonic acid, galatose and arabinose in a mole ratio of 22.60∶30.42∶17.88. In the range of 5～200 μg/mL of test concentrations, lettuce stem polysaccharides significantly promoted the proliferation, phagocytosis and NO product of RAW264.7 macrophage cells, which suggested that lettuce stem polysaccharides had a …
Effects Of Ethanol Vapor Treatments On Related-Senescence Physiological Indexes Of Postharvest Snap Bean During Storage,
2016
College of Agriculture, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
Effects Of Ethanol Vapor Treatments On Related-Senescence Physiological Indexes Of Postharvest Snap Bean During Storage, Guo Yu, Jiang Yufu, Zhong Jia, Wang Dongxue, Wang Qiang, Jin Yazhong, Wang Ying
Food and Machinery
To investigate the physiological mechanism of exogenous ethanol vapor regulation of senescence of postharvest snap bean, the effects of related-senescence physiological indexes of postharvest snap bean applied ethanol (1.5 mL/kg and 3 mL/kg) vapor was studied with a snap bean (Phaseolus vulgaris L. var.chinensisHort.) cultivar WuChang snap bean, with the treatment of clear water vapor as control, and treated materials were stored at room temperature (23 ℃±1 ℃). The results showed that exogenous ethanol vapor significantly reduced the activity of LOX and PPO in snap bean during the storage, and postponed the increase of MDA content. Furthermore, ethanol vapor delayed …
