Extraction, Separation & Identification Of Bioactive Compositions From Phyllanthus Emblica L. For Oral Odor Inhibity,
2016
Guangxi Agricultural Vocational College, Nanning, Guangxi 530007, China; College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi 530004, China
Extraction, Separation & Identification Of Bioactive Compositions From Phyllanthus Emblica L. For Oral Odor Inhibity, Jiang Yuanxin, Liu Boke, Liu Xiaoling
Food and Machinery
Using electronic nose measure and evaluation model as a guidance method for inhibiting halitosis, the strongest bioactive fractions(EⅡM20) were separated from the 95% ethanol emblica extract by organic solvent extraction, repeated normal and reverse phase column chromatography. Consequently, three compounds were isolated from the EⅡM20 by semi-preparative HPLC. Their quantity-quality were 6.8 mg, 4.5 mg, 4.9 mg, repectively. The structures of the three compounds were elucidated by comprehensive spectroscopic methods such as 1H NMR, 13C NMR, HR-ESI-MS. The spectroscopy analysis indicated that the compounds were maltose, Bis(2-methylheptyl)phthalate and 1-(4’-amino-phenyl)-ethane-1,2-diol.
The Analysis Of Alkaloid Content In Wuyi Rock Tea With High-Performance Liquid Chromatography,
2016
Institute of Food Science and Technology, Fuzhou University, Fuzhou, Fujiang 350108, China
The Analysis Of Alkaloid Content In Wuyi Rock Tea With High-Performance Liquid Chromatography, Liu Zhibin, Zhang Shining, Zhang Wen, Ni Li
Food and Machinery
Wuyi Rock Tea is a kind of semi-fermented oolong tea, with unique flavor. The alkaloid content in the tea is associated with its flavor quality. In this study, 10 typical Wuyi Rock Tea, including 5 Rougui and 5 Shuixian, were used to quantitative analyze the theobromine, theophylline and caffeine content in the tea leaves and tea infusions. Moverover, the alkaloid content in green tea, Tieguanyin Tea and black tea sample were also measured. Then, Principal Component Analysis (PCA) was utilized to further investigate the difference of the alkaloid content in all these tea samples. The results indicated that, the caffeine, …
Study On Anti-Retrogradation Of Germinated Brown Rice Powder By Different Anti-Aging Agents,
2016
College of Food Science and Engineering, Center South University of Forestry and Technology, Changsha, Hunan 410004, China; National Engineering Laboratory for Rice and By-product Deep Processing, Changsha, Hunan 410004, China
Study On Anti-Retrogradation Of Germinated Brown Rice Powder By Different Anti-Aging Agents, Wu Xiaojuan, Cong Jingyuan, Wu Yue, Wu Wei
Food and Machinery
Germinated brown rice powder and different proportion of anti-aging agent were mixed to simulate the aging condition of cooked brown rice food, and the effect of anti-aging agent addition on the anti-retrogradation of germinated brown rice powder was studied. On the basis of single factor experiment, the interaction of anti-aging agent on the anti-retrogradation of germinated brown rice powder were studied by response surface experiment, and the results indicated that the optimal additions of wheat gluten, guar gum, and monoglyceride were 6.3%, 0.4%, and 0.7%, respectively. The hardness value and sensory score at optimal condition were 3 312 g and …
Effects Of Different Processing Conditions On Antioxidant Activity Of Moringa Oleifera Lam. Peptide,
2016
College of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
Effects Of Different Processing Conditions On Antioxidant Activity Of Moringa Oleifera Lam. Peptide, Liu Huayong, Zhao Qiangzhong, Ma Caixia, Lin Lianzhu, Liao Chaolin, Chen Guohui, Gu Jianyin
Food and Machinery
Studied the effect of the antioxidant activity of moringa seeds peptide caused by temperature, pH, metal ion, carbohydrate based on producing antioxidant peptides with aqueous enzymatic method. The experiment showed that if the moringa seeds peptide was heated with 115 ℃ for 20 min, its antioxidant activity could be improved obviously. The moringa seeds peptide’s antioxidant activity was higher in acid environment. Under the acid environment, if the moringa seeds peptide was heated, its antioxidant activity could be improved higher. Under the non- heat treatment, as the rising of the metal ion’s density, the antioxidant activity of moringa seeds peptide …
Design And Optimization Of Solid Fermentation Of Porcine Blood Powder Medium For Clostridium Butyricum,
2016
Ma’an Shan Teacher’s College, Ma’anshan, Anhui 243041, China
Design And Optimization Of Solid Fermentation Of Porcine Blood Powder Medium For Clostridium Butyricum, Qin Dongfang, Liu Aimin, Li Hao
Food and Machinery
For the purpose of joint production of hydrolysis of porcine blood and microbial ecology preparation of Clostridium butyricum, it was studied that the solid medium formulation suitable for the growth and reproduction of C. butyricum was made of porcine blood powder, and the fermentation products would be used in feed. The formulation of the solid medium formulation was designed and optimized by the mean of mixture design. Moreover, the mathematical regression model of three components of solid medium was established, and the various components and the interaction between them were also discussed. Furthermore, the results showed that the optimum formula …
Devise And Synthesis Of Fluorescent Probe For Cyanide Detection In Food Based On A Peptide Receptor,
2016
Hunan Institute of Food Quality Supervision Inspection and Research, Changsha, Hunan 410117, China
Devise And Synthesis Of Fluorescent Probe For Cyanide Detection In Food Based On A Peptide Receptor, Zhou Binbin, Wang Xiali, Wang Fangbin, Zhang Jihong, Yang Tao, Cheng Yunhui, Hao Yuanqiang
Food and Machinery
Cyanide is considered to be one of the most toxic species in food while the existing detection methods involve complex operation and will produce toxicity to inspectors. In this study, a water-soluble fluorescent probe(C-GGH) was synthesized by HOBT/DIC protocol in solution using 7-diethylaminocoumarin-3-carboxylic acid, Glycine and Histidine. Due to the presence of the recognition unit GGH, the probe C-GGH can conjugated with Cu2+ to formed non-fluorescent C-GGH-Cu2+ complex. Due to the strong binding affinity of CN- to Cu2+, CN- can extract Cu2+ from C-GGH-Cu2+ complex, leading to the release of C-GGH and …
Spectrophotometric Iron (Ⅲ) Determination And Optimizing Of Isomaltooligosaccharide-Iron Complex Using Phenanthroline,
2016
College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Chongqing 400715, China
Spectrophotometric Iron (Ⅲ) Determination And Optimizing Of Isomaltooligosaccharide-Iron Complex Using Phenanthroline, Hu Li, Jiang Changzhao, Zhang Jing, Pan Hongchun, Liu Hong
Food and Machinery
In this study，the detection approach was established for spectrophotometric determination of iron (Ⅲ), existing in the form of isomaltooligosaccharide-iron (Ⅲ) complex. The method was optimized by operating experiments considering the factors of the process. Several factors effected on isomaltooligosaccharide-iron (Ⅲ) complex digestion, including the volume fraction of acid, the heating temperature and time, and this approach yielded to accurate results except the kinds of acid. The digestion was positively correlated with the acid volume fraction, heating temperature and time. It was found that over 2 mL phenanthroline solution was demanded and that the complexation could maintain stability within pH 3-8 …
Study On Titration Acidity Of Different Buffalo Raw Milk,
2016
College of Animal Science and Technology of Yunnan Agricultural University, Kunming, Yunnan 650201, China; Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Kunming, Yunnan 650201, China
Study On Titration Acidity Of Different Buffalo Raw Milk, Li Qing, Zhang Ruiyun, Li Wen, Mao Huaming, Zhang Anfu, Yin Yichang
Food and Machinery
Titration acidity of different buffalo raw milk samples were investigated in both in the same and different season according to GB 4789.18—2010 of “milk and dairy products inspection”. Among the samples, 228 of them were from major buffalo farming community in Yunnan Province, and 655 were from 26 farmers. The alcohol and alkali-doped were test, and the composition of the diet, feeding patterns and parity and lactation days of buffalo were also surveyed. The results showed that the titratable acidity of milk buffers with milk titers ranging from 10 to 13 °T was accounted for 85.7%, and 10.6% of the …
The Correction Of Calory Answer Testing Model Based On Leisure Dried Tofu,
2016
Department of Biological 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; Hunan Provincial Engineering
The Correction Of Calory Answer Testing Model Based On Leisure Dried Tofu, Huang Lulu, Wu Feifei, Li Huaqiang, Zhao Liangzhong, Yin Jinhui, Chang Lunfeng
Food and Machinery
Using the market sale leisure dried bean curd as material, determinated the protein content in leisure dried tofu by Kjeldahl method, the moisture content in rapid moisture tester and the fat content with Soxhlet extraction method. Then using the Calory Answer to determinate the contents of protein, fat and moisture, using the mathematical analysis method to correct the detection model, and then the corresponding correction model is obtained. After the calibration, the model of the Calory Answer respectively is yp=1.15x, yw=0.85x, yf=0.65x, these correction model were suitable for the leisure dried tofu that the protein content, moisture content and the …
Study On Immobilization Of Wheat Bran Esterase With Fibre Membrance,
2016
College of Food Science, Sichuan Agricultural University, Ya’an, Sichuan 625014, China
Study On Immobilization Of Wheat Bran Esterase With Fibre Membrance, Ye Lin, Jiang Lu, Shen Guanghui, Li Shanshan, Wu Hejun, Zhang Zhiqing
Food and Machinery
Taking the plant-esterase from wheat bran as the enzyme source, comparing the physical adsorption method and the cross-linking with adsorption methods, and the glass fiber film as adsorption carrier, and then exploreed the optimum conditions for immobilization use enzyme activity recovery as the evaluation index. On the basis of single-factors experiments, the Box-behnken center-united experimental design principles were used to design the experiment and the response surface analysis of 3 factors (the buffer’s pH, immobilized time and immobilized temperature) and the interactive effect on immobilization. The optimum immobilized conditions were confirmed as followed: phosphate buffer’s pH 7.0, immobilized time 4 …
Design Of Coat-Hanger Die Using In Rice Noodles Wire Extruding Machine,
2016
Chinese Academy of Agricultural Mechanization of Science, Beijing 100083, China
Design Of Coat-Hanger Die Using In Rice Noodles Wire Extruding Machine, Hu Shuzhen, Zhou Haijun, Sun Zhihong, Liu Yinzhi, Ma Xianjun
Food and Machinery
In order to improve the degree of automation and reduce labor intensity in the rice noodles processing, designed the coat-hanger die of rice noodles wire extruding machine to solve rice crowded uneven wire speed problem in the process of silk.Based on the flow basic assumptions, volume flow equation and the flow balance equation is derived to calculate hangers type main part of the structure of the Coat-Hanger Die size. Considering the rice noodle is a natural polymer material, adjusting mechanism and the heating system is designed. The Coat-Hanger Die realize the crowded wire velocity uniformity by using the tears manifold …
Mechanical Performance Test Of Cashew Nut Sheller,
2016
Agricultural Product Processing Research Institute of Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524001, China
Mechanical Performance Test Of Cashew Nut Sheller, Liu Yijun, Huang Hui, Zhang Fang, Fu Yunfei, Zhu Deming, Huang Maofang
Food and Machinery
Studied the effect of the speed, the material of guide, feeding methods and the properties of cashew nut on the state of cutting during the process of shell. The results showed that within the scope of test level, the rate of correct position was 65.1%, when the cashew was boiled in the 115 ℃, for 20 min, with the pushing speed 20 r/min, wiht the rigid plastic guide , and article vertical feeding.
Kinematic Modeling And Structural Analysis Of A New Kind Of Delta Robot,
2016
School of Electrical Engineering and Automation, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China
Kinematic Modeling And Structural Analysis Of A New Kind Of Delta Robot, Liu Feifei, Gao Tangpan, Liu Longxi, Gu Shuaiqi
Food and Machinery
A new type of Delta Robot was introduced through the analysis of the traditional 3-DOF Delta Robot. And static analysis was performed on the structure of both traditional and new type of Delta Robot by using ANSYS Workbench 14.0. It was proved that statics performance of the new Delta Robot structure has been effectively improved and its rigidity and stability was enhanced through comparison and analysis of total deformation and stress of the two types of Delta Robot models. It also provides a reference to the design of structural optimization and control systems of the new Delta Robot.
Efficient High-Precision Dynamic And Static Combination Of Bulk Food Weighing Sorting System,
2016
Dalian Modem Auxiliary Machine Development and Manufacfure Co. Ltd, Dalian, Liaoning 116000, China
Efficient High-Precision Dynamic And Static Combination Of Bulk Food Weighing Sorting System, Han Qiaosheng, Lu Jinshi, Tao Xueheng, Wang Xuejun, Jiang Chao
Food and Machinery
High-efficient dynamic transmission and high-precision static weighing were combined to develop a bulk food weighing and sorting system with high efficiency and precision. The conveyor belt was used to complete the uninterrupted transmission of the material in this system. Before weighing, the materials were arranged in rows successively, followed by a intermittent static weighing of the materials using a plurality of static weighing sensors, and then they felt to a classified packaging in turn. Combinating the static weighing and dynamic transmission, the high efficiency and precision bulk food weighing were undertaken, with the grading weight could be adjusted according to …
Design Of Dual Cleaver Alternating Continuous Mincing Machine,
2016
College of Mechanical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China
Design Of Dual Cleaver Alternating Continuous Mincing Machine, Zheng Yan, Wang Chengjun, Wu Yanan, Cheng Haojie
Food and Machinery
To overcome the shortcomings of the existing mincing machine technology, a new type of mincing machine with dual cleaver chopping alternatively continuously was designed. The actuators and transmission system of the existing mincing machine were improved so that the reasonable layout of the two-stage cone gear reducer, worm gear reducer, belt transmission mechanism. Moreover, a double crank slider mechanism was made in order to meet the operation requirements. Furthermore, the software ADAMS was used to conduct a kinematic analysis of the actuator. The results showed that the actuator design was the reliable and reasonable. Our newly designed mincing machine turned …
Operation Efficiency Comparison Of Mvr Systems Driven By Centrifugal And Vortex Compressor,
2016
Suzhou University of Science and Technology, Suzhou, Jiangsu 215009, China
Operation Efficiency Comparison Of Mvr Systems Driven By Centrifugal And Vortex Compressor, Tang Tianjun, Liu Chenggang, Li Weihua
Food and Machinery
Theoretically analyzes the operating principle of MVR system for plant extract concentration, and compares the characteristics of different types of compressors. Combined with an example, the operation efficiencies of two MVR systems driven by centrifugal and vortex compressor are researched. The total amount of evaporation and electricity consumption between the two systems are calculated through a statistical method in a half year running time. The results show that under the same design evaporation rate, the average amount of evaporation rate is 2 545.3 kg/h for centrifugal compressor, which is 1 908.3 kg/h for vortex compressor. The largest coefficient of performance …
Design Of Stacking Machine Control System Of Food Packaging Box Based On Hmi And Plc,
2016
Huzhou Vocational & Technical College, Huzhou, Zhejiang 313000, China
Design Of Stacking Machine Control System Of Food Packaging Box Based On Hmi And Plc, Qian Zhenhua, Wang Rongyang, Zuo Xiqing
Food and Machinery
The automatic control stacking machine gradually replace manual palletizing along with the rise of logistics equipment manufacturing industry and the development of automation technology. A special control system for food packaging box stacking machine is introduced. The PLC is used to carry on the servo and the frequency conversion control to the elevator motor and the traveling motor respectively. And the precise position control and the speed control of the movement of the manipulator are realized. The reliability and efficiency of stacking is improved. It is more intuitive and convenient to the operator by the use of HMI, and is …
Design Of Visual Inspection System For Bulk Food Sorting Based On Network Environment,
2016
Jiangxi University of Technology, Department of Mechanical Engineering, Nanchang, Jiangxi 330098, China
Design Of Visual Inspection System For Bulk Food Sorting Based On Network Environment, Yan Peipei
Food and Machinery
Based on the network environment, the food sorting visual inspection system was studied. Through the analysis of the design requirements of food sorting system and the design principle, the food sorting system structure model was established, and the bread was taken as the garget for food center position detection test. The results showed that: test error in the range of -1%~4%, meet the requirements of precision sorting and visual processing and can provide a reference for the design of other industrial automatic sorting system.
Effects Of Electron Beam Irradiation On The Degradation Of Aflatoxins And The Physicochemical Properties Of Corn,
2016
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan Univers
Effects Of Electron Beam Irradiation On The Degradation Of Aflatoxins And The Physicochemical Properties Of Corn, Luo Xiaohu, Qi Lijun, Fang Wenmiao, Pan Lihong, Wang Ren, Wang Li, Yu Xiaobin, Chen Zhengxing
Food and Machinery
To study the detoxification effect of electron beam irradiation on AFB1 in corn, the effect of electron beam irradiation on the AFB1-contaminated corn based on the doses of 0~50 kGy was studied. Physicochemical properties including fatty acid, color and viscosity of AFB1-contaminted corn at different irradiated doses were also investigated. Results indicated that AFB1 in corn significantly decreased with the irradiation dose (P<0.05). Moreover, physicochemical properties changed significantly when the irradiation dose was over 15 kGy, including the significant increase of fatty acid value (P<0.05) and the decrease of the viscosities (P<0.05). It was found that the whiteness didn’t change significantly (P>0.05), while the significantly decreased redness and yellowness (P<0.05) were observed.
Online Detection Of Soluble Solids Contents For “Yuluxiang” Pear By Visible-Near Infrared Diffuse Transmission Spectroscopy,
2016
East China Jiaotong University, Nanchang, Jiangxi 330013, China;Institute of Optical and Electrical Machinery Technology and Application, Nanchang, Jiangxi 330013, China
Online Detection Of Soluble Solids Contents For “Yuluxiang” Pear By Visible-Near Infrared Diffuse Transmission Spectroscopy, Liu Yande, Zhu Danning, Wu Mingming, Sun Xudong, Zhang Zhicheng
Food and Machinery
The feasibility was investigated for online detection of soluble solids content (SSC) of “Yuluxiang” pear by visible-near infrared (visible-NIR) diffuse transmittance spectroscopy. 358 samples were divided into the calibration and prediction sets (269∶89) for developing calibration models and assessing their performance. By analyzing, the Vis-NIR transmission spectra of 'YuLuxiang' pears have three peaks at 625 nm, 725 nm and 800 nm and three troughs at 625 nm, 725 nm and 800 nm, respectively. Different preprocessing approaches were tested, it was found that the best approaches were the combination of first derivative (1D), smoothing and multiplicative scattering correction (MSC) preprocessing methods. …
