Research Progress On Extraction, Compound Of Walnut Oil And Its Function,
2022
College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642 , China
Research Progress On Extraction, Compound Of Walnut Oil And Its Function, Deng Xin-Yu, Huang Min-Ru, Huang Da-Rong, Du Bing, Li Pan
Food and Machinery
In this paper, walnut oil was reviewed from four aspects: nutritional components, extraction technology, efficacy and compounding. The changes of nutritional components of walnut oil with different extraction technology and compounding methods were discussed. The future research direction was prospected. The constraints of emerging technology and the new compounding method of walnut oil were the focus of walnut oil research in the future.
Numerical Simulation Study Of Optimal Inlet Conditions Of Rectifier Nozzle Type Distributor,
2022
Tianjin University of Commerce, Key Laboratory of Tianjin Refrigeration Technology, Tianjin 300134 , China
Numerical Simulation Study Of Optimal Inlet Conditions Of Rectifier Nozzle Type Distributor, Sun Huan, Lei Zhuo-Ya, Teng Xin-Bo, Zhu Jun-Da
Food and Machinery
Objective:In order to effectively improve or eliminate as much as possible in the refrigeration system, the uneven distribution of gas-liquid two-phase refrigerant in the evaporator leads to the performance decline of the refrigeration system. Methods:The adopts CFD numerical simulation method was used to establish the physical model of rectifier nozzle type distributor and mathematical model of gas-liquid two-phase flow, based on the mixture model in multiphase flow model, which simulated the phase distribution and the degree of gas-liquid two-phase separation inside this distributor,. Then the influence of inlet conditions (inlet flow rate and mass flow fraction of gas) on …
Research On Recognition Of Stem/Calyx And Defects Of Dried Hami Jujube Based On Resnext And Transfer Learning,
2022
College of Mechanical and Electrical Engineering, Shihezi University, Shihezi, Xinjiang 832003 , China
Research On Recognition Of Stem/Calyx And Defects Of Dried Hami Jujube Based On Resnext And Transfer Learning, Li Cong, Yu Guo-Wei, Zhang Yuan-Jia, Ma Ben-Xue
Food and Machinery
Objective:This study focuses on solving the problems that stem and calyx are mistakenly recognized as defective jujube in the current detection process of jujube.Methods:A method for identifying stem / calyx and defects of dried Hami jujube based on deep learning and image processing was proposed. By improving the depth residual network ResNeXt-50, using the region of interest extraction method and transfer learning technology, TL-ROI-X-ResNeXt-50 classification model was proposed to realize the classification of stem / calyx and defects of dried Hami jujube.Results:Through the comparison of model experiments, the region of interest extraction method and transfer learning technology …
Purification Processing Of Pigment From Boletus Eduliswith Macroporous Resin And Its Antioxidant Capacity,
2022
School of Life Science, Southwest Forestry University, Kunming, Yunnam 650224 , China
Purification Processing Of Pigment From Boletus Eduliswith Macroporous Resin And Its Antioxidant Capacity, Guo Lei, Zi Lu-Xi, Cui Qi, Zhou Yu, Qiu Hui-Ting, Kan Huan
Food and Machinery
Objective:The aim of this work is to obtain the optimal purification process of pigment from Boletus edulis by macroporous resin, and study its antioxidant activity. Methods:Based on the static and dynamic test, the influence of resin type, sample concentration, pH, loading flow ratio, ethanol concentration and elution flow ratio on the adsorption and desorption activity of Boletus edulis pigment were investigated to determine the optimal purification conditions. Then the structure, the DPPH·, ABTS+· and ·OH scavenging activity of the Boletus edulis pigment purified was also evaluated. Results:AB-8 was the most suitable type of macroporous resin and the optimum …
Effects Of Simultaneous Combination Of Steam And Microwave Cooking On The Quality Of Pork Ribs,
2022
Key Laboratory of Healthy & Intelligent Kitchen System Integration, Ningbo, Zhejiang 315336 ,China ；Ningbo Fotile Kitchen Ware Co., Ltd., Ningbo, Zhejiang 315336 , China
Effects Of Simultaneous Combination Of Steam And Microwave Cooking On The Quality Of Pork Ribs, Yao Qing, Chen Yan-Ping, Sun Ying-Ying, Fang Kun, Cao Ya-Qun, Xu Yan-Shun
Food and Machinery
Objective:To determine the quality changes of the quality of pork ribs in simultaneous combination of steam and microwave cooking.Methods:The physicochemical quality, texture, fatty acids, amino acids, total thiol group, total carbonyl and vitro protein digestibility of pork ribs treated with simultaneous combination of steam and microwave were investigated.Results:The simultaneous combination of steam and microwave could significantly reduce the cooking time compared with the single steaming. And the combined cooking of microwave with 500 W and steam with 1 300 W for 13 min (MS-13) could reduce 48% of the cooking time. Compared with other groups, the pork …
Identification Of Psoraleae Fructus Illegally Added In Mixed Wine And Mixed Tea Based On High Resolution Mass Spectrometry Library And Diagnostic Ratio Of Characteristic,
2022
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075 , China ；Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test Office, Wuhan, Hubei 430075 , China
Identification Of Psoraleae Fructus Illegally Added In Mixed Wine And Mixed Tea Based On High Resolution Mass Spectrometry Library And Diagnostic Ratio Of Characteristic, Gao Fang, Wu Wan-Qin, Wang Bin, Liu Guo-Jiao, Jiang Feng
Food and Machinery
Objective:A method based on the high resolution mass spectrometry library and diagnostic ratio of characteristic components was established to identify the illegally added psoraleae fructus in wine and tea.Methods:High resolution mass spectrometry library of psoraleae fructus was constructed by high performance liquid chromatography quadrupole time of flight mass spectrometry (HPLC-TOF-MS) for preliminary screening. Combined with the diagnostic ratio method of the characteristic components by, high performance liquid chromatography, psoraleae fructus in different 20 samples of mixed wine and mixed tea from different picking time and origin was tested and analyzed The diagnostic ratio of characteristic component peak area, which …
Cloning, Expression And Catalytic Function Analysis Of Chitinase From Streptomyces Diastaticus,
2022
College of Pharmaceutical Science, Soochow University, Suzhou, Jiangsu 215123 , China
Cloning, Expression And Catalytic Function Analysis Of Chitinase From Streptomyces Diastaticus, Li Qin, Wang Li-Mei, Qi Bin
Food and Machinery
Objective: This study focused on improving the production of chitosan oligosaccharides by chitinase degradation of chitin. Methods: Using genetic engineering methods to clone, prokaryotic expressing, and investigating enzymatic properties of the chitinase from Streptomyces diastaticus, and the chitinase activity was explored by homology modeling, amino acid comparison of the catalytic domain, and site-directed mutagenesis. Results: After cloning and prokaryotic expression, the enzyme production cycle was shortened from 7 d to 24 h, and the enzyme activity reached 132 U/L, which was 32% higher than the original bacterial enzyme activity (100 U/L). The amino acids that determine the activity of chitinase …
Preliminary Study Of Encapsulation To Improve Stability Of Aldh Of Wickerhamomyces Anomalus,
2022
Hunan Provincial Commodity Review Center, Changsha, Hunan 410111 , China
Preliminary Study Of Encapsulation To Improve Stability Of Aldh Of Wickerhamomyces Anomalus, Chen Geng, Ni Yu-Jun, Zhong Min, Xu Li-Na, Guo Wei-Dan
Food and Machinery
Objective: This study aimed to improve the stability Wickerhamomyces anomalus aldehyde dehydrogenase in cold storage and gastrointestinal environment, so as to develop products that reduce active aldehydes in gastrointestinal tract. Methods: ALDH was extracted from 6 Wickerhamomyces anomalus strains with the highest activity of aldehyde dehydrogenase (ALDH), and encapsulated by sodium alginate and calcium chloride method. The stability of ALDH by embedding was studied in cold storage and simulated gastrointestinal environment. Results: The specific activity of ALDH produced by W. anomalus J3, J7, J8, J9, J12 and J18 ranged from 86.77 U/mg to 482.14 U/mg, and that of J9 was …
Effects Of Different Particle Sizes Of Finger Millet On The Quality, Antioxidant Ability And In Vitro Digestibility Of Wheat Bread,
2022
School of Food and Bioengineering, Changsha University of Science & Technology, Changsha, Hunan 410114 , China
Effects Of Different Particle Sizes Of Finger Millet On The Quality, Antioxidant Ability And In Vitro Digestibility Of Wheat Bread, Xiao Pan-Fei, Xie Hua, Tao Xiao-Han, Luo Yi-Ni, Tang Yu-Hua, Li Chi-Ling
Food and Machinery
Objective: This study aimed to exploit the functional bread of finger millet. Methods: Based on the physical and chemical properties, antioxidant capacity, special digestion characteristics and sensory evaluation of bread, the effects of different particle sizes of finger millet flour on the characteristics of wheat bread were investigated. Results: Compared with the bread without finger millet powder, the bread with 200 mesh finger millet powder increased the total phenol content by 225.78%, the DPPH radical scavenging rate by 42.96% and the iron ion reduction ability by 22.97%. The finger millet powder with smaller particle size showed stronger anti-oxidation ability. Moreover, …
Comparative Analysis Of Gel Quality Of Chinese Herring Surimi And Common Surimi,
2022
Fujian Anjoy Food Co., Ltd., Xiamen, Fujian 361022 , China ；Key Laboratory of Refrigeration and Conditioning Aquatic Products Processing,Ministry of Agriculture and Rural Affairs, Xiamen, Fujian 361022 , China
Comparative Analysis Of Gel Quality Of Chinese Herring Surimi And Common Surimi, Chen Hui, Huang Jian-Lian, Zhou Wen-Guo, Chen Jiang-Ping
Food and Machinery
Objective: This study aimed to provide theoretical support for the processing application of surimi products by comparing the gel characteristics of Chinese herring surimi and the common surimi. Methods: The surimi gels of Chinese herring, silver carp, white croaker and golden-thread fish were prepared, and the difference of gel strength, texture profile analysis (TPA), gelation index, gel deterioration index, water retention, whiteness and microstructure among the four kinds of surimi were investigated. Results: The hardness, chewiness, adhesiveness, gel strength and water retention of Chinese herring surimi were significantly higher than the those of silver carp surimi (P＜0.05). The …
Peanut Kernel Integrity Detection Based On Deep Learning Convolution Neural Network,
2022
Henan Vocational College of Water Conservancy and Environment, Zhengzhou, Henan 450011 , China
Peanut Kernel Integrity Detection Based On Deep Learning Convolution Neural Network, Zhang Jun-Feng, Shang Zhan-Lei
Food and Machinery
Objective: To accurately distinguish intact peanut, nut damaged peanut and epidermis damaged peanut. Methods: A peanut seed integrity detection scheme based on deep learning convolution neural network (CNN) was proposed. The peanut seed color selection system was established and a peanut seed image database was also established; The improved density peak clustering (DPC) algorithm was used to adaptively compress the CNN convolution kernel to effectively balance the network depth and operation efficiency; The improved sparrow search algorithm was used to optimize the CNN super parameter configuration and network structure, and the CNN model suitable for peanut grain integrity detection was …
Determination Furfurals In Tea Products By Quechers-Isotope Is-Gc-Ms/Ms,
2022
Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry ofEducation, Changsha, Hunan 410081 , China ；Key Laboratory of Phytochemical R & D of HunanProvince, Changsha, Hunan 410081 , China ；Hunan Normal University, Changsha, Hunan 410081 ,China
Determination Furfurals In Tea Products By Quechers-Isotope Is-Gc-Ms/Ms, Liu Can-Di, Chen Bo, Yin Fang-Ping, Zeng Hui
Food and Machinery
Objective: This study aimed to establish a new method for detecting furfurals in tea. Methods: A gas chromatography tandem mass spectrometry (GC-MS/MS) method was established for the simultaneous determination of furfural, 5-methylfurfural, 5-hydroxymethylfurfural and 2-Acetylfuran in tea. The sample pretreatment method and GC-MS/MS method were optimized. Furfural-D4was used as the internal standard. The sample was extracted by acetonitrile, treated and purified by QuEChERS method, and determined by GC-MS/MS multi reaction monitoring (MRM). Results: The four furfurals showed good linear relationship in the mass concentration range of 1.25~200.00 μg/L, with the correlation coefficient ≥0.999 0, and the detection limit (S/N …
Research On Food Safety Supervision System In Chinese Cross-Border E-Commerce Market,
2022
Shijiazhuang Vocational Technology Institute, Shijiazhuang, Hebei 050081 , China
Research On Food Safety Supervision System In Chinese Cross-Border E-Commerce Market, Shi Gao-Yan
Food and Machinery
The development status of the cross-border E-commerce market was introduced, and the shortcomings of the current cross-border e-commerce food safety supervision system in my country was analyzed. Moreover, the direction of food safety supervision system construction in cross-border E-commerce was also discussed, from the following aspects of the food information traceability system, food safety risk early warning system, enterprise credit management system and consumer rights protection system.
Uncertainty Evaluation Of Cadmium Content In Kelp (Laminaria Japonica) By Graphite Furnace Atomic Absorption Spectrometry,
2022
Institute of Agricultural Quality Standards and Testing Technology Research, Fujian Academyof Agricultural Science, Fuzhou, Fujian 350003 , China ；Fujian Key Laboratory of Agro-productsQuality & Safety, Fuzhou, Fujian 350003 , China
Uncertainty Evaluation Of Cadmium Content In Kelp (Laminaria Japonica) By Graphite Furnace Atomic Absorption Spectrometry, Liu Lan-Ying, Lu Xin, Li Ying, Luo Tu-Yan
Food and Machinery
Objective: To improve the accuracy of the results of cadmium (Cd) content in kelp (Laminaria japonica) by graphite furnace atomic absorption spectrometry (GF-AAS). Methods: The concentration of Cd element in kelp sample was measured by using GF-AAS after microwave digestion according to the standard of GB 5009.15—2014. Combining with the experimental process and mathematical model, the possible sources of measurement uncertainty were firstly identified, then the components of each standard uncertainties were calculated, and finally each parameter of uncertainties was synthesized, and the whole uncertainty was evaluated. Results: when the value of Cd concentration in kelp was 0.202 …
The Institutional Direction Of Punitive Damages For Food Safety In The United States And Chinese Path,
2022
Law School of Guizhou Minzu University, Guiyang, Guizhou 550025 , China
The Institutional Direction Of Punitive Damages For Food Safety In The United States And Chinese Path, Tang Xiao-Mei
Food and Machinery
The punitive damages system of American food safety mainly points to the premise of subjective viciousness, the jury's discretion according to the actual loss and viciousness, and the setting of punitive damages ceiling. By observing and examining the punitive damages system for food safety in the United States, some issues in the current punitive damages system for Chinese food safety in China need to be urgently solved, such as neglecting subjective vicious evaluation, rigid calculation method of punitive damages, and excessive upper limit multiple of compensation. In this regard, we can optimize and construct the food safety punitive damages system …
The Legal Regulation Problem Of False Food Advertisement And Its Solution,
2022
School of Marxism, Hebei Petroleum University of Technolocy, Chengde, Hebei 067000 , China
The Legal Regulation Problem Of False Food Advertisement And Its Solution, Meng Jing
Food and Machinery
In this paper, the current legal system regarding deceptive food advertisements in China has been discussed deeply and issues of current legal system have been analyzed. To solve the issues, a way for optimizing food legal system was explored and several measures which assist to improve the legal system for eliminating deceptive food advertisements have been proposed. Overall, relevant legal regulations published domestically and intenationally should be sorted out and the law enforcement of government sectors should be enhanced to constrain people who want to advertise deceptive food information.
Study On Flow Channel Distribution Of Different Twin Screw Extruder Under Different Screw Contact State,
2022
School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048 , China ；Plastic Beijing Municipal Key Laboratory of Health and Safety Quality Eualuation Technology, Beijing 100048 , China
Study On Flow Channel Distribution Of Different Twin Screw Extruder Under Different Screw Contact State, Shang Jia-Wei, Zhang Li-Mei, Huang Zhi-Gang, Zhang Yi-Wei, Li He
Food and Machinery
Objective: In order to explore the distribution law of the flow channel of polylactic acid in different screw contact states of the counter-rotating twin-screw extruder. Methods: Partially meshing screw and non-meshing screw were established by Solidworks software. Numerical sim-ulation was carried out using POLYFLOW fluid simulation software. The pressure field, shear rate field and viscosity field of polylactic acid fluid under different contact states of three screws were compared. Results: The counter-rotating twin-screw extruder in the partially meshed state has better pressure-building ability and dispersing and mixing ability for polylactic acid. Conclusion: The extrusion effect of polylactic acid in the …
Design And Experiment Of Key Components For Longan Core Removal,
2022
College of Engineering, South China Agricultural University, Guangzhou, Guangdong 510642 , China
Design And Experiment Of Key Components For Longan Core Removal, Qing Yan-Mei, Li Chang-You
Food and Machinery
Objective: In order to solve the problem of poor integrity with mechanical coring and get the lantern pulp, and explore the factors affecting the performance of longan coring. Methods: Taking Guangdong 'Chuliang' longan fresh fruit as the research object, the key parts of core removal were designed and the core removal test platform was built. The core removal method with the ejector pin and flexible washer positioning was adopted. The ejector diameter, the rubber washer bore diameter and the ejector speed were chosen as the three main factors,and the stoning success rate, the stoning loss rate and the pulp integrity …
Research On Alcohol Prediction Model Based On Lstm And Iga-Bp,
2022
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401 , China
Research On Alcohol Prediction Model Based On Lstm And Iga-Bp, Zhang Jian-Hua, Shang Jian-Wei, Wang Chang, Zhao Yan, Li Ke-Xiang, Li Xiang-Li
Food and Machinery
Objective: In order to solve the problem of inaccurate detection of alcohol accuracy due to manual "flower picking" in the segmented liquor picking process. Methods: Designed and built a segmented liquor taking system based on alcohol accuracy modeling. The research collected tuning fork frequency values, tuning fork built-in temperature values, alcohol solution temperature values and pump speed values under dynamic conditions in different modes of alcohol solutions with different concentrations, implemented adaptive tuning fork frequency filtering and dynamic compensation based on least mean square algorithm (LMS) and long short-term memory network (LSTM), and built a liquor accuracy prediction model based …
On Line Fast Detection Of Defective Rice Flour Based On Machine Learning Algorithm,
2022
College of Applied Science, Jiangxi University of Technology, Ganzhou, Jiangxi 341000 , China
On Line Fast Detection Of Defective Rice Flour Based On Machine Learning Algorithm, Tan Lu-Min, Feng Xin-Gang
Food and Machinery
Objective: To realize the rapid on-line detection of defective rice flour. Methods: Non-contact data acquisition of rice flour blocks through cameras, image upload and processing, obtained the contour perimeter and area, approximate contour perimeter and area, approximate contour points and radius of the contour circle. According to the characteristics of rice flour block sample data, the SVM classification algorithm was used to analyze the sample set composed of multi feature data of rice flour block. Results: Compared with five algorithms, the average accuracy of GBDT classification algorithm was 89% with elapsed time of 1.10 s. The average accuracy of KNN …
