Study On Synchronous Extraction Process Of Oil And Protein From Prunus Mira Nut And The Oil Quality Analysis,
2020
Food Science College, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet 860000 , China
Study On Synchronous Extraction Process Of Oil And Protein From Prunus Mira Nut And The Oil Quality Analysis, Kan Jin-Tao, Yuan Lei, Zhong Zheng-Chang
Food and Machinery
Taking the Prunus mira nut as raw material, the oil and protein of were synchronous extracted by aqueous extraction method combined with enzymatic demulsification, the extraction process was optimized by orthogonal tests based on single factor experiment. The main physicochemical indexes of Prunus mira nut oil were determined, and the fatty acid compositions were analyzed by GC. The results indicated that the Prunus mira nut protein yields were(78.13±1.53)%, and oil total yields were(67.79±2.97)%, the optimal oil and protein extraction process were obtained as followed: sample size 150 mesh, liquid-solid ratio 8：1 (mL/g), pH 10, extraction temperature 50 ℃, extraction time …
Optimization Of Fermentation Process And Analysis Of Antioxidant Capacity Of Purple Sweet Potato Powder,
2020
Longping Branch, Graduate School of Hunan University, Changsha, Hunan 410125 , China
Optimization Of Fermentation Process And Analysis Of Antioxidant Capacity Of Purple Sweet Potato Powder, Song Ying, Liu Si-Han, Chang Xia, Hou Yu-Hao, Xie Qiu-Tao, Yuan Hong-Yan, Li Gao-Yang
Food and Machinery
Based on the single factors, the response surface tests were used to optimize the process conditions of low-sugar yeast fermentation of the purple sweet potato to prepare high antioxidant activity powder, and the changes of total flavonoids, total phenols, anthocyanins and antioxidant capacity before and after fermentation were investigated. The optimum fermented conditions were determined as follows: 0.95% yeast addition, 10：22 (g/mL) ratio of feed to liquid, fermentation at 23 ℃ for 16 h. The antioxidant capacity was 404.94 mg VCEAC/100 g, with a total phenol content of 123.85 mg GAE/100 g, a total flavonoid content of 610.64 mg rutin/100 …
Research Progress On Degradation Technology Of Harmful Gases In Granary,
2020
College of Food Science and Engineering, Beijing University of Agriculture, Beijing 102206 , China
Research Progress On Degradation Technology Of Harmful Gases In Granary, Pan Di, Ma Ting-Jun, Kang Kai, Bai Shu-Pei
Food and Machinery
There were many harmful gases in the process of storing grain in large granaries, which can not only cause environmental pollutions, but also endanger people's health. Reducing harmful gases in granaries and ensuring grain quality had become the focus of food storage industry. In this paper, the sources, types and harms of harmful gases produced in the process of grain storage were briefly described, and the relative degradation methods, principles, advantages and disadvantages of phosphine, were also introduced in detail. Furthermore, the feasibility of degradation of harmful gases in granary by plasma technology was emphasized, and the problems to be …
Research Progress On The Function And Application Of Honeysuckle Flowers From Different Resources,
2020
Horticulture College, Hunan Agricultural University, Changsha, Hunan 410128 , China ；State KeyLaboratory of Subhealth Intervention Technology, Changsha, Hunan 410128 , China ；School of Pharmacy,North Sichuan Medical College, Nanchong, Sichuan 637000 , China
Research Progress On The Function And Application Of Honeysuckle Flowers From Different Resources, Yang Lan, Liu Dong-Bo, Shu Li, Huang Bin
Food and Machinery
To compare the functions and applications of honeysuckle from different plant resource and provide references for the further development and utilization of them, combined query systematically on the databases of cnki, PubMed and others about the studies on function and application of honeysuckle were undertaken, and then the reviews were summarized. Numerous studies on Lonicera japonica Thunb. were done, while less studies on the other four species of Lonicera flos. Lonicera flos had the equivalent functions with Lonicera japonica flos, and Lonicera flos with the traits of good quality, high output and low price had better development and utilization …
Metabolomics Analysis Of 1-Propanol Effect On Rhodococcus Opacus Pd630,
2020
College of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640 , China
Metabolomics Analysis Of 1-Propanol Effect On Rhodococcus Opacus Pd630, Chu Mei-Yun, Zhang Lin-Shang, Lou Wen-Yong, Zong Min-Hua, Tang Yu-Qian, Xu Xiao-Fei, Yang Ji-Guo
Food and Machinery
Ultra Performance Liquid Chromatography-Triple-Time of Flight Mass Spectrometer (UPLC-Triple-TOF/MS) was used for non-target metabolomics analysis of metabolites in Rhodococcus opacus PD630 in the presence of 1-propanol. Then a multivariate statistical analysis as well as an identification of differential metabolites was conducted for it.The results showed that there were 54 differential metabolites between the experimental group and the control group at 48 h, and 61 differential metabolites at 72 h. The decrease of short peptides and the increase in the degree of unsaturation of phospholipids were major metabolite changes. Meanwhile, a significant increase in propionyl CoA was observed(P＜0.001). The fatty acid …
Isolation And Identification Of Amylase Bacterial And Optimization Of Enzyme Production Conditions By Response Surface,
2020
College of Food and Biological Engineering〔Liquor Industry College〕, Henan University of AnimalHusbandry and Economy, Zhengzhou, Henan 450046 , China ；Henan Liquor Style EngineeringTechnology Research Center, Henan University of Animal Husbandry and Economy, Zhengzhou,Henan 450046 , China ；Zhengzhou Key Laboratory of Liquor Brewing Microbial Technology, HenanUniversity of Animal Husbandry and Economy, Zhengzhou, Henan 450046 , China
Isolation And Identification Of Amylase Bacterial And Optimization Of Enzyme Production Conditions By Response Surface, Liu Yan-Bo, Zhang Shi-Kai, Zhao Zhi-Jun, Wang Xian, Pan Chun-Mei, Sun Xi-Yu
Food and Machinery
The amylase-producing bacteria were isolated and screened from the old liquor of Dadian, and the retort was used to perform the preliminary screening by the iodine fumigation method. The amylase activity was measured by rescreening, combined with colony morphology observation, 16S rDNA homologous sequence analysis, and physiological and biochemical screening. The high-yield amylase bacteria were identified to study the single factors affecting the ability of the bacteria to produce amylase, including carbon sources, fermentation time, initial pH and inoculum size, and the optimal enzyme production conditions were determined by response surface optimization. The results showed that strains 6-10 were Bacillus …
Study On Steam Detection Method Of Chinese Spirits Steamer-Filling Operation Based On Support Vector Machine,
2020
Artificial Intelligence Key Laboratory of Sichuan Province, Sichuan University of Science & Engineering,Yibin, Sichuan 644000 , China ；School of Automation & Information Engineering, Sichuan University ofScience & Engineering, Yibin, Sichuan 644000 , China
Study On Steam Detection Method Of Chinese Spirits Steamer-Filling Operation Based On Support Vector Machine, Tian Wan-Chun, Zhang Gui-Yu, Tuo Xian-Guo, Wu Hao-Han, Shi Xiao-Shi
Food and Machinery
Aiming at the problem of low accuracy of steam detection in the process of automation of "steam detection and steaming" of Chinese spirits. This paper proposes a steam detection method based on support vector machine (SVM) to improve the accuracy of automatic steam detection. First, the infrared thermal imager is used to collect the infrared grayscale image of the surface of the wine cellar in the barrel and perform histogram processing, then extract histogram’s multiple features. Combined with the engineering experience to add tags to form the training set, and through the support vector machine training to obtain the exploration …
Validation Of The Method For Determination Of Aflatoxin B1 By Qd-Infinity Immunofluorescence Method In Grain,
2020
Hunan Provincial Center for Monitoring of Grain Oil Products Quality, Changsha, Hunan 410201 , China
Validation Of The Method For Determination Of Aflatoxin B1 By Qd-Infinity Immunofluorescence Method In Grain, Hu Yuan-Bin, Xu Yan-Xia, Wang Da-Neng, Ma Zhi, Ni Xiao-Ying, Tang Yan-Ping, Yu Yang
Food and Machinery
A method for rapid determination of aflatoxin B1 in grain based on QD-Infinity immunofluorescence was established with QD-Infinity as fluorescent probe. In order to confirm the accuracy of this method, multiple methods were used to evaluate the uniformity of the test results of AFB1 in grain which was determined by the QD-Infinity immunofluorescence method, high performance liquid chromatography and enzyme association immunoadsorption, respectively. Moreover the repeatability of the method and the difference between stations were investigated. The detection results of the superconducting point-immunofluorescence method for grain samples such as rice and corn were consistent with those of high performance …
Study On The Sources Of Nickel In Jujube Fruit,
2020
College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 ,China ；Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy ofAgricultural Sciences, Urumqi, Xinjiang 830091 , China ；Agricultural Product Quality and SafetyRisk Assessment Laboratory, Ministry of Agriculture and Rural Areas, Xinjiang Academy ofAgricultural Sciences, Urumqi, Xinjiang 830091 , China ；Xinjiang Agricultural Product Qualityand Safety Laboratory, Urumqi, Xinjiang 830091 , China
Study On The Sources Of Nickel In Jujube Fruit, Yan Qiao-Li, Hua Zhen-Yu, He Wei-Zhong, Tao Yong-Xia, Wang Cheng
Food and Machinery
Through the analysis of the total content of heavy metal nickel in soil, pesticide, fertilizer, farmyard manure and atmospheric dust samples, the exogenous input pathway of heavy metal nickel in jujube in typical areas was determined. ICP-MS (inductively coupled plasma mass spectrometry) was used to analyze the content of heavy metal nickel in the samples. The results showed that the tested soil and fertilizer samples contained heavy metal nickel in the range of 17.194~67.279 and 0.450~26.800 mg/kg, respectively. The total content of nickel in chicken manure, bioorganic fertilizer, amino acid water-soluble fertilizer and phosphate fertilizer was relatively high. In the …
Distribution And Correlation Of Pb Between Procambarus Clarkii And Aquaculture Environment In Hunan Province,
2020
Central South University of Forestry and Technology Changsha City in Hunan Province, Changsha, Hunan 410004 , China
Distribution And Correlation Of Pb Between Procambarus Clarkii And Aquaculture Environment In Hunan Province, Tian Jin-Jin, Zhu Yu-Lin
Food and Machinery
She sampling survey was used to sample the cultured P. clarkii and the environment from the freshwater shrimp breeding base in Hunan province. Tested the Pb content and performed statistical analysis on the relevant data. The results showed that the Pb content in shrimp, culture water and bottom sediment was Yiyang＞Yueyang＞Changde city in Hunan province. Among them, Yiyang city had the highest Pb over-standard rate, which was 63%. Significant differences in Pb content in shrimp head, tail, and water sediments were found in different city (P＜0.05), and Pb content between different city of culture water are not statistically significant differences …
Numerical Simulation And Optimization Of Piping Turbulence In Bubbling Fish Cleaner,
2020
College of Engineering, Huazhong Agricultural University, Wuhan, Hubei 430070 , China
Numerical Simulation And Optimization Of Piping Turbulence In Bubbling Fish Cleaner, Li Lu, Zhang Zhi-Ming, Wu Wen-Jin, Wang Lan, Xiong Guang-Quan, Shi Liu
Food and Machinery
First, Fluent software was used to numerically simulate the internal flow field of the shunt tube in the bubbling line, and standard k-ε turbulence model was applied to simulate the velocity profile of each vent gas on the manifold. The results showed that 40 cm was the opportune length of the shunt tube to obtain the similar flow rate of each gas jet, and the uniform and controllable bubbles. Then, the Mixture multiphase flow model and the extended standard k-ε turbulence model were used to simulate of the jet aperture and the hole spacing on the shunt tube. The results …
Dimension Detection Of Micro Parts Based On Universe Quantum Algorithm,
2020
Chengdu Vocational Technical College of Industry, Chengdu, Sichuan 610218 , China
Dimension Detection Of Micro Parts Based On Universe Quantum Algorithm, Xiong Bao-Yu, Jian Qing-Ping
Food and Machinery
Dimension detection of micro parts was proposed based on universe quantum algorithm. The operation efficiency of the quantum algorithm was improved by using the master-slave space structure, and the edge of micro-parts was detected by non-orthogonal quadratic B-spline wavelet and least square wavelet support vector regression, with the dimension detection of micro parts process. Experimental simulation showed that the universe quantum algorithm had smaller fluctuation range for the dimension measurement data of micro parts, and the variance value was lower than other methods. The measurement variance of outer wheel diameter reduced 75.29%, 78.40%, 64.47%, 60.95% and 52.15%, respectively, comparing with …
Design And Analysis Of The Cylinder Cam Mechanism Of The Group Cover Machine,
2020
Anhui Agricultural University, Hefei, Anhui 230036 , China
Design And Analysis Of The Cylinder Cam Mechanism Of The Group Cover Machine, Li Gan, Yin Cheng-Long, Jiang De-Fu, Ke Wan
Food and Machinery
The cam profile of the cylindrical cam mechanism of the bottle cap assembly machine is designed, the curve is fitted, the three-dimensional model of the SolidWorks is established, and the cylindrical cam and the cylindrical cam of the sinusoidal curve fitting are simulated in Adams by the cylindrical cam and the sinusoidal curve fitting of the five polynomial curve fitting. The result of the simulation is compared and analyzed, which shows that the design of the cam wheel can be used in the manufacture of the cylindrical cam mechanism of the actual group cover machine.
Powder Packaging Measurement Control System Based On Fuzzy Neural Network Pid Control,
2020
Henan University of Technology, Zhengzhou, Henan 450001 , China
Powder Packaging Measurement Control System Based On Fuzzy Neural Network Pid Control, Wang Yan, Chen Jing, Wang Zhi-Shan, Li Kun-Xiang, Xu Yun, Xu Xue-Memg
Food and Machinery
The work aims to the delay and nonlinearity of powder packaging metering control system caused by sensor, screw rotation inertia, zero drift, cutting impact and other factors, the powder packaging metering control system based on fuzzy neural PID control is proposed. Using the good dynamic control characteristic and self-learning ability of the fuzzy neural network to adjust the PID control proportion, integral and differential three adjustment parameters. The simulation and simulation of the system was carried out with the help of MATLAB simulink simulation software. The results show that the fuzzy neural network PID control system can shorten the stability …
Design Of Automatic Feeding System For Pasta Fermentation Machinery,
2020
Chifeng Industry Vocational Technology College, Chifeng, Inner Mongolia 024005 , China
Design Of Automatic Feeding System For Pasta Fermentation Machinery, Zhang Li-Hua, Dong Tian-Fei, Niu Wen-Zhao
Food and Machinery
An optimization method of automatic fermentation system control based on digital signal processing (DSP) was proposed. Aiming at the optimization of the automatic feeding system in the automatic fermentation system, the error feedback control algorithm was used to design the automatic feeding control of the pasta fermentation machinery, and the hardware design of the automatic feeding system of the pasta fermentation machinery was based on the algorithm design. The results showed that the designed automatic feeding system of pasta fermentation machinery had good human-computer interaction and strong system stability, and the control error was only 0.1% when iterating 500 times …
A Vision-Based Image Detecting System For Cigarette Tipping Machine,
2020
China Tobacco Hubei Industrial Co., Ltd., Enshi, Hubei 445002 , China
A Vision-Based Image Detecting System For Cigarette Tipping Machine, Wu Chen-Gang, Yang Chen, Xie Chong-Quan, Zhang Rui-Ping
Food and Machinery
In this paper, a kind of cigarette tipping paper detection system based on machine vision is proposed, which uses STM32 as the core controller to control the timing synchronization of the coiler. The cigarette tipping paper on the transition drum is collected by the industrial camera, and the length of the cigarette paper is calculated and measured, and the unqualified cigarette is eliminated. At the same time, the unqualified cigarette tipping paper and detection data are recorded by the guide rail scale. Through practical application, the detection accuracy of the system is better than ±0.05 mm, and the maximum detection …
Effect Of Frozen Storage Time On The Oxidation Degree Of Porcine Myofibrillar Protein,
2020
School of Life Science, Shanxi University, Taiyuan, Shanxi 030006 , China
Effect Of Frozen Storage Time On The Oxidation Degree Of Porcine Myofibrillar Protein, Li Qian, Yu Li-Gang, Yang Yu-Kun, Li Mei-Ping, Guo Cai-Xia
Food and Machinery
In this study, myofibrillar protein was used as the research object to investigate the effect of different frozen storage time on the oxidation degree of myofibrillar protein of pork. Raw pork was stored at 18 ℃ for different time (0, 1, 4, 8, 12 weeks), and used for the extraction of myofibrillar protein. Then protein oxidation parameters (carbonyl, total sulfhydryl group, free amino groups, surface hydrophobicity and endogenous tryptophan fluorescence) were determined. The results suggested that, carbonyl content increased significantly (P＜0.05), and total sulfhydryl group, free amino groups, surface hydrophobicity and endogenous tryptophan fluorescence content generally showed a decreasing trend …
Study On Purification And Antibacterial Activity Of Protamine From Takifugu Obscurus,
2020
Shanghai Ocean University College of Food Science and Technology, Shanghai 201306 , China
Study On Purification And Antibacterial Activity Of Protamine From Takifugu Obscurus, Zhang Jia-Yuan, Chen Shun-Sheng, Zhang Hong-Cai
Food and Machinery
In this study, Sephadex G-50 and CM Sepharose Fast Flow were used to purify the spermatozoa of Takifugu obscurus. Identification of protamine by arginine color reaction. The effects of protamine on the minimum inhibitory concentration, inhibition zone diameter and growth curve of Staphylococcus aureus, Escherichia coli and Salmonella were determined. The results showed that: The spermatozoa of Takifugu obscurus had an absorption peak at 217 and 273 nm, respectively, and the absorption peak at 217 nm was higher. The purified protamine was found to be better than the protamine before purification by SDS-PAGE electrophoresis. The strips were fine and …
Effects Of Active Peptide Components Of Eupolyphaga Steleophaga On Blood Rheology, Four Indicators Of Blood Lipids And Blood Factor Levels In Rats With Acute Blood Stasis,
2020
School of Pharmacy, Binzhou Medical University, Yantai, Shandong 264003 , China ；School ofPharmacy, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250300 , China
Effects Of Active Peptide Components Of Eupolyphaga Steleophaga On Blood Rheology, Four Indicators Of Blood Lipids And Blood Factor Levels In Rats With Acute Blood Stasis, Jiang Shan, Wang Shao-Ping, Dai Long, Zhang Jia-Yu, Gao Peng, Liu Zi-Han, Wang Yu-Qi
Food and Machinery
Pepsin and trypsin complex enzymes were used for biomimetic enzymatic hydrolysis of Eupolyphaga steleophaga. In order to obtain the most active fibrinolytic activity of the soil aphid active peptide component F2, the product was subjected to desalting, ultrafiltration, nanofiltration, DA201-C macroporous adsorption resin, dextran gel G-25 chromatography, reverse high performance liquid chromatography and semi-preparative liquid chromatography. Moreover, its effects on hemorheology index, blood lipids and serum nitric oxide (NO), superoxide dismutase (SOD), tissue plasminogen activator (t-PA) and fibrin (FIB) content of rats with acute blood stasis were also studied. E. ste-leophaga active peptide component F2 could significantly reduce blood …
Synergistic Effects Of Dendrobium And Pueraria Thomsonii On Hpyerglycemic And Lipid-Lowing Between In Vitro And In Vivo,
2020
Yingdong College of Food Science and Engineering, Shaoguan University, Shaoguan, Guangdong 512005 ,China
Synergistic Effects Of Dendrobium And Pueraria Thomsonii On Hpyerglycemic And Lipid-Lowing Between In Vitro And In Vivo, Xu Zi-Yang, Jing Si-Qun, Lin Yin-Jun, Ding Jia-Min, Zhou Yang, Yu Bai-Yin
Food and Machinery
The synergistic effects were observed on inhibiting alpha-glucosidase activity between Dendrobium and Pueraria thomsonii form self-made chewable tablets by taking the acarbose as control. Drosophila melanogaster was used as experimental animal, and the model of Ⅱ diabetic Drosophila melanogaster was prepared by high glucose and high fat feeding. The experiment was divided into model control group, positive control group, Dendrobium (D) group, Pueraria thomsonii (PT) group and (Dendrobium + Pueraria thomsonii) (D+PT) group. After 7 days of lipid-lowering effects between Dendrobium and Pueraria thomsonii was analyzed. results showed that all of groups dose-effect perfusion, the total protein, triglycerides …
