Separation, Monosaccharide Composition And Molecular Weight Analysis Of Polysaccharide From G. Lucidum Mycelium,
2015
Food Academy of Jiangnan University, Wuxi, Jiangsu 214022, China
Separation, Monosaccharide Composition And Molecular Weight Analysis Of Polysaccharide From G. Lucidum Mycelium, Wang Haiyan, Dai Jun, Chen Shangwei
Food and Machinery
The polysaccharide was extracted from G. lucidum mycelium by submerged fermentation after previous hybird optimization. The polysaccharide of G. lucidum mycelium was separated by DEAE Sepharose fast flow column. Then we used high volume exclusion chromatography (HPSEC) to explore purity of three polysaccharide fractions and complete acid hydrolysis and PMP pre column derivatization RP—HPLC to measure the monosaccharide composition of them. At last, multi angle light scattering instrument combined with device (SEC—MALLS) was used to measure the Mw of polysaccharide fractions, while the slope of curves between the molecular rotation radius and molecular molar of moles inferred the space conformation …
Optimization On Enzymatic Hydrolysis Process Of Soybean Protein By Grey Correlation Analysis,
2015
College of Food Science and Engineering, Harbin University of Commerce, Harbin, Heilongjiang 150076, China
Optimization On Enzymatic Hydrolysis Process Of Soybean Protein By Grey Correlation Analysis, Qu Lingling, Guo Changhui, Liu Lijie, Zhang Na
Food and Machinery
Single factor experiments were conducted to explore the influence of different effects on soybean protein enzymolysis. Based on this, the model of proteolytic digestion process was built according to the grey correlation analysis method to expand application of grey correlation analysis method in food field and provide quality soybean polypeptide resources for the food industry. Alcalase alkaline protease (4.4×104 U/g) was used to enzymatic hydrolysis soybean defatted soybean meal to preparate soybean peptides. The correlation coefficient of reaction pH, reaction temperature, reaction time, soybean defatted soybean meal addition and Alcalase alkaline protease addition were calculated by grey correlation analysis method. …
Optimization On Enzymatic Preparation Of Antioxidant Peptide From Corbicula Fluminea By Control-Enzymatic Hydrolysis Method,
2015
Department of Biology and Food Engineering, Changshu Institute of Technology, Changshu, Jiangsu 215500, China
Optimization On Enzymatic Preparation Of Antioxidant Peptide From Corbicula Fluminea By Control-Enzymatic Hydrolysis Method, Liu Jingjing, Jin Linfeng, Han Yaoping, Wang Xuefeng, Dai Yangjun
Food and Machinery
The optimal enzymolysis conditions of preparing antioxidant peptide from Corbicula fluminea were optimized. On the basic of single factor experiment such as kinds of proteases, dosage of protease, the ratio of material to liquid, enzymatic hydrolysis time, enzymatic hydrolysis temperature and pH, the effects of different factors and level on hydroxyl radical scavenging were researched by Box-Behnken center combination experiment and response surface analysis methods. The optimal hydrolysis conditions of preparing antioxidant peptide from Corbicula fluminea were that adding 0.94% neutral protease（by weight of Corbicula fluminea meat）, material to liquid ratio of 1∶2(m∶V), pH of 2.6，enzymatic hydrolysis temperature of 54.70 …
Study On Extraction Of Flavonoids From Poacynum Hendersonii By Suporcritical Co2,
2015
Qujing Normal University, Qujing, Yunnan 655011, China
Study On Extraction Of Flavonoids From Poacynum Hendersonii By Suporcritical Co2, Shi Junyou, Jing Nianhua, Li Caixia
Food and Machinery
The supercritical CO2 extraction processing of flavonoids was optimized with Poacynum hendersonii leave as raw material. Firstly, the influences of the type and pH value for cosolvent were explored by single factor experiments. And the 70% ethanol with pH value of 10 was fixed as cosolvent. Then, the effects of extracting factors such as extracting pressure, temperature, time and cosolvent dosage, were investigated with orthogonal experiments. According to the researching report, the optimal process conditions were as follows: 150 g raw material, extraction temperature 45 ℃, extraction pressure 20 MPa, extraction time of 2 h, 70% ethanol with pH value …
Optimization Of Ultrasonic-Assisted Ethanol Extraction For Total Flavonoids From Buckwheat Hust,
2015
Institute of Agriculture Quality Standards & Testing Technique, Yunnan Academy of Agricultural Science, Kunming, Yunnan 650223, China
Optimization Of Ultrasonic-Assisted Ethanol Extraction For Total Flavonoids From Buckwheat Hust, Yang Fang, Yang Wanlin, Chen Jinyu, Shao Jinliang, Lan Shanshan
Food and Machinery
The extraction of total flavonoids from buckwheat hust was optimized by ultrasound-assisted ethanol extraction method. Through the optimization by single factor, with extraction efficiency of total flavonoids, the effects of ultrasonic extraction time, ultrasonic extraction temperature, ethanol concentration and material-to-liquid ratio of total flavonoids from buckwheat hust were investigated. Through the optimization by response surface method, the optimal extraction conditions were found. The experimental results showed that the best conditions were ethanol concentration 69%, material-to-liquid ratio 1∶51(m∶V), extraction time 30 minute and ultrasonic extraction temperature 59 ℃, the yield rate of total flavonoids was 3.542%.
Improvement On Quality Of Rice Noodles By Screw Extrusion Technology,
2015
Hunan Academy of Agricultural Sciences, Changsha, Hunan 410125, China; Hunan Agricultural Product Processing Institute, Changsha, Hunan 410125, China
Improvement On Quality Of Rice Noodles By Screw Extrusion Technology, Tang Hanjun, Li Linjing, Zhu Wei
Food and Machinery
The treatments of screw extrusion technology on rice noodle (TDM, and XMM) and Fensi (TFS), and traditional craft rice noodles (WFM) were compared in the characteristics of quality, and the microstructure was observed after cooked. Physicochemical properties of TDM and XMM were between TFS and WFM before cook, and TDM was almost close to the best strength of TFS. Physicochemical properties after cook were the similarities between TDM and XMM, and close to TFS, further away from the WFM. Their microstructure characterized by irregular, polygonal honeycomb cellular structure, micro-Chamber diameter approximately 0.5~2.0 μm. The results showed that the screw extrusion …
Preparation Of Reconstitute Germination Sorghum Flake,
2015
Institute of Healthy Cereal Product, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Preparation Of Reconstitute Germination Sorghum Flake, Li Yan, Yi Cuiping, Li Mengting, Yang Yang
Food and Machinery
In order to improve the eating quality and nutrition quality of sorghum, reconstitute germination sorghum flakes were prepared by mixing germination sorghum with grain amaranth and non-waxy rice through screw extrusion and roller press. The protein and dietary fiber contents were used as the nutrition index and the processing formula was designed by software. The results indicated that the protein and dietary fiber contents got to 8.8% and 7.3%, respectively, when the products was prepared by mixing 17.3% of germination red sorghum, 18.1% of amaranth and 64.6% of non-waxy rice. And the contents of protein and dietary fiber were 9.5% …
Optimization Of Spray Drying Technology And Analysis Of Dissolution Characteristics On Fruit Powder From Akebia Trifoliate,
2015
College of Chemistry and Chemical Engineering, Jishou University, Jishou, Hunan 416000, China
Optimization Of Spray Drying Technology And Analysis Of Dissolution Characteristics On Fruit Powder From Akebia Trifoliate, Xiaoyan Da, Li Jiaxing, Xiao Xiufeng, Wu Yue, Ma Lang, Zhou Yanhui
Food and Machinery
Research on optimizing the spray dry preparation technology of Akebia trifoliate fruit powder and analyze its dissolution characteristics. First of all, the effects of dry agent dosage, pulp solids content, inlet air temperature, outlet air temperature on fruit powder yield were discussed by single factor tests. And then the spray drying process conditions were optimized by orthogonal test, and the dissolution characteristics was analyzed by detection of powder fluidity, solubility, dissolution time. The results showed that the optimal preparation conditions of Akebia trifoliate were as followed: malt dextrin dosage 16%, pulp solids content 20%, the inlet air temperature 150 ℃, …
Comparative Study On Germination Characteristics For Different Varieties Of Unpolished Coix Seed And Optimization Of Germinated Technological Conditions,
2015
School of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou 550025, China
Comparative Study On Germination Characteristics For Different Varieties Of Unpolished Coix Seed And Optimization Of Germinated Technological Conditions, Dang Juan, Qin Likang, Yang Xianlong, Jin Yi
Food and Machinery
This comparative study to analyze the changes in physiological and biochemical in the same condition by unpolished coix seed of 5 varieties that have been produced in Guizhou or Laos, selecting out optimal germination of varieties, then optimizing the germination rate and germination by using γ-amino butyric acid(GABA) as evaluation index, using single factor experiment and orthogonal design methods, tracing its main nutrients and functional components dynamically. The results showed that the sprouts of GZ-1 from Guizhou had the highest germination rate, free amino acids and γ-amino butyric acid (GABA) levels among the five varieties. Based on the sprouting rate …
Optimization Of L-Lysine Medium By Response Surface Methodology,
2015
Jilin COFCO Biochemistry CO., Ltd., Changchun, Jilin 130012, China; National Engineering Research Center of Corn Processing, Changchun, Jilin 130012, China; School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin 130012,
Optimization Of L-Lysine Medium By Response Surface Methodology, Teng Guosheng, Liu Yong, Wu Lida, Fan Chunyan, Wang Jinzhi, Guan Bing, Shi Shuhui, Tong Yi
Food and Machinery
Plackett-Burman design, steepest ascent design and response surface methodology were used to optimize fermentation mediumof L-lysine. Plackett-Burman designmethod was applied to evaluate the main significant factors, and the result had shown that sodium chloride、magnesium sulfate and corn steep liquor were the major factors. Then, the Box-Behnken design and response surface methodology we used to confirm the optimum parameters with NaCl 2.72%, MgSO4·7H2O 0.05%, and corn steep liquor (CSL) 21.13 g/L, which were proceeded based on thegreatest response area of NaCl, MgSO4·7H2O and corn steep liquor. Under the optimal conditions, the theoretical yield …
Research Progress On Gas Storage And Transport Packaging Of Chinese Bayberry Fruit,
2015
Institute of Food Science, Wenzhou Academy of Agricultural Sciences, Wenzhou, Zhejiang 325006, China; College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
Research Progress On Gas Storage And Transport Packaging Of Chinese Bayberry Fruit, Jiang Qiaojun, Zheng Yonghua, Xu Jing, Jiang Peishan
Food and Machinery
Reviewed the research progress in Chinese bayberry gas storage and transport packaging in recent years. Now the Chinese bayberry gas storage methods were mainly as followed: modified atmosphere, controlled atmosphere storage with N2, high CO2, superatmospheric oxygen and fixed gas proportion and so on. Chinese bayberry packaging transportation methods were mainly included: Foam Box + Ice, Plastic Box Packaging and Functional Fresh-keeping Packaging and so on. From the view of practical application, systematically elaborated the problem of this technology system，and points out such as the fast precooling, appropriate proportion of gases and dynamic monitoring, the solution of the mold problem …
Research Progress In Starch Modification By Heat Moisture Treatment,
2015
Orient Science and Technology College of Hunan Agricultural University, Changsha, Hunan 410128, China; Food Science and Technology College of Hunan Agricultural University, Changsha, Hunan 410128, China
Research Progress In Starch Modification By Heat Moisture Treatment, Liao Luyan, Wu Weiguo
Food and Machinery
The heat moisture treatment refers to the relative lower humidity and temperature in a certain time, and it is a physical modification method of starch properties change. This method costs lower and avoid the pollution by chemical modification, and achieve the purpose of improving starch specific features, which has been showing a good application prospect in modified starch. This paper introduces the effects on the starch structure and properties by heat moisture treatment in detail, and finally expounds the mechanism of the heat moisture treatment starch and the research progress in food applications.
Current Situation Of Food Safety Crime And The Criminal Law Perfection,
2015
Guangdong Justice Police Vocational College, Guangzhou, Guangdong 510520, China
Current Situation Of Food Safety Crime And The Criminal Law Perfection, Gong Tingting
Food and Machinery
The prevention and control of China's current food safety crimes has two problems: one is the awe force shortage on food safety crime punishment for criminal suspects; the other is serious lack of food safety regulatory system. In order to effectively solving the increasingly severe food safety crime problem, combined with Chinese national conditions, and based on the inspection experience on the basis of the prevention and control of foreign food safety crime, to strengthen the prevention and control of food safety crime criminal legislation work, should increase the intensity of punishment, set up the defects of food recall system …
Real Dilemma And Improvement Of Food Industry Tourism Development,
2015
Hainan College of Economics and Business, HaiKou, HaiNan 571127, China
Real Dilemma And Improvement Of Food Industry Tourism Development, Lin Wenchao
Food and Machinery
Food industry tourism meets the needs of tourists seeking novelty, expands the brand influence and improves the trust of consumers on food safety, enable consumers to participate in food business management and promote the development of local economy. However, there are many problems in Chinese food industry tourism, for example the tourism project design is single, the degree of participation of visitors is not high, the food companies themselves do not pay enough attention, and lack of specialized hardware support, which cause a dilemma of development. In order to ensure the smooth development of food industrial tourism, some actions should …
Effects On Aroma Components Of Weifang Tobacco With Different Drying Methods,
2015
Technical Center of China Tobacco Shandong Industrial Corporation, Qingdao, Shandong 266101, China
Effects On Aroma Components Of Weifang Tobacco With Different Drying Methods, Sun Qiang
Food and Machinery
In order to research the influence of aroma components with different drying methods on different parts of tobacco, three parts of Shandong Weifang tobacco was used as the experimental material to study the change of aromatic components in pyrolytic products of cut tobacco at the two methods that sheet tube drying and pneumatic drying. The results showed that, the whole amount of aromatic components increased in both way, sheet tube drying obviously affected the upper and central tobacco, and pneumatic drying was more obvious affectting the underneath tobacco.
Optimization On Culture Medium For Laccase Production From Coriolus Hirsutus By Residues Of Traditional Chinese Medicine,
2015
Tianjin Modern Vocation Technology College, Tianjin 300350, China
Optimization On Culture Medium For Laccase Production From Coriolus Hirsutus By Residues Of Traditional Chinese Medicine, Yue Kun, Pan Zhiheng, Sun Yongmin
Food and Machinery
In order to make full use of residue from traditional Chinese medicine, the different kinds of residues of traditional Chinese Medicine for laccase production by Coriolus hirsutus were investigated. It is capable of producing laccase with the three kinds of residues of traditional Chinese Medicine. The result showed that the optimal medium composition was as follows: wheat bran 3%, peptone 02%, residues of Chinese rhubarb 12%, MgSO4 3 g/L，KH2PO4 3 g/L, pH value 5.0. Enzyme activity under the optimal culture conditions was 4 828.2 U/mL, which was 1.4 fold of that of the original medium.
Sampling Methods And Application Research On Rapid Measuring Instrument Of Tobacco Widthbased On Scanning Imaging,
2015
China Tobacco Chuanyu Industrial Corporation Technical Research Center， Chengdu， Sichuang 610066, China
Sampling Methods And Application Research On Rapid Measuring Instrument Of Tobacco Widthbased On Scanning Imaging, Liu Yang, Liu Minchang, Wen Ruoyu, Zhao Weiyi, Zeng Jian, Zhou Xuezheng
Food and Machinery
The width of cut tobacco is an important index to evaluate sensory qualities and physical indices of tobacco products. The rapid measuring instrument of cut tobacco showshigh efficiency and accuracy. This study based on a kind of cut tobacco set up the sampling methods about the rapid measuring instrument. Meanwhile, tobacco width measuring methods by using this instrument and using the plastic rod are contrasted. Moreover, this paper had done some work of application about different tobacco cuts including conditional tobacco, expanded tobacco and tobacco flake and different types of tobacco cutters. The results show that the rapid measuring instrument …
Analysis And Calculation Method Of Potato Sorting Conveyor Line Statics,
2015
School of Mechanical Engineering, Shandong University of Technology, Zibo, Shandong 255000, China
Analysis And Calculation Method Of Potato Sorting Conveyor Line Statics, Sun Jun, Yu Wenqiang, Li Xueqiang, Shi Yuanyuan, Yu Mingzhi
Food and Machinery
The operation, of sorting and the arrival of potatoes, is still on low mechanization degree and involves heavy laboring intensity. however, there is little research on optimizing the devices of conveyor line interiorly. Based on a reference to some foreign research results about the conveyor line with the function of sorting potatoes by sizes, this article present proper design parameters adjusted to the properties sorting and warehouse management of potatoes in domestic situation by simulating and optimizing design. It offers the reference data for the design and manufacture of domestic device for sorting and conveying the potatoes. It also helps …
Dynamics Simulation Of Food Sorting Robot,
2015
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Province Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Wuxi, Jiangsu 214122, China
Dynamics Simulation Of Food Sorting Robot, Jiang Yi, Li Zhengyang, Ying Zaien, Ping Xueliang
Food and Machinery
According to the structural features of food sorting robots with six degrees of freedom, kinetic theory analysis was carried out by using Lagrange approach. Virtual prototype modeling was established, and the curves of angle, angular velocity, angular acceleration, moment and power were obtained by rigid body dynamics simulation within ADAMS. The results showed that the robot had a good motion stability and dynamic response, which in addition provide a theoretical basis for motor selection. Coupled dynamics simulation was also carried out by SimDesigner, which demonstrates the rationality of the manipulate design.
Design Of Starter-Making Process Control System Using Bidirectional Variable Frequency Vibration Pressing,
2015
Mechanical and Electronic Engineering Department, Jiangsu Food & Pharmaceutical Science College, Huaian, Jiangsu 223005, China
Design Of Starter-Making Process Control System Using Bidirectional Variable Frequency Vibration Pressing, Li Hong, Wang Wenle, Hua Yong
Food and Machinery
Based on the condition of lower mud extracting ability of starter making, developed a starter making method of rotary bidirectional variable frequency vibration pressing which is designed on Programmable Logic Controller(PLC), and the hardware and software design of PLC field controlling as well as host control system was achieved. The results showed that starter produced by this method had the advantage of density uniformity, good porosity, modest hardness, easy demoulding, smooth surface, exterior condition and full degree surface, and it also has an ideal effect on mud extracting.
