Spin-Flash Drying Characteristics And Kinetic Model Of Antarctic Krill,
2023
Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Science, Shanghai 200092, China;Key Laboratory of Ocean Fishing Vessel and Equipment, Ministry of Agriculture; Shanghai 200092, China
Spin-Flash Drying Characteristics And Kinetic Model Of Antarctic Krill, Tan Jiayu, Ouyang Jie, Ma Tiantian, Shen Jia
Food and Machinery
Objective: The purpose of this study was to investigate the drying characteristics and establish the kinetic model of Antarctic krill during spin-flash drying. The drying experiments were carried out at 120 ℃ to 180 ℃. Methods: Six common thin-layer drying models were selected to fit the experimental data. Further, the equations of drying model constant and temperature were established to obtain the model expression and validate the optimal drying model. The effective moisture diffusion coefficients were calculated by Fick's second law. Results: The results showed the drying temperature had a significant effect on drying thermal efficiency and drying rate. The …
Preparation Of Matrix Reference Material For Carbaryl Residues In Chinese Yam Flour,
2023
Chinese Academy of Inspection and Quarantine, Beijing 100176, China;CAIQ 〔Beijing〕 Science and Technology Co., Ltd., Beijing 100176, China
Preparation Of Matrix Reference Material For Carbaryl Residues In Chinese Yam Flour, Huo Siyu, Gen Xuhao, Yu Libo, Chen Dongdong, Peng Tao
Food and Machinery
Objective: This study aimed to establish a method for the Preparation of matrix reference material for carbaryl residues in Chinese yam flour. Methods: Yam powder containing menafyl was prepared by homogenized, freeze-dried, ground, sifted, mixed and packaged. A liquid chromatography-series mass spectrometer was used for detection, and the isotope internal standard curve method was used for quantification. Through the process of equalization stability evaluation, cooperative setting and uncertainty evaluation, the matrix reference material of the expected yam powder was obtained. Results: The property value and expanded uncertainty of carbaryl was (1.04±0.10) mg/kg (k=2). Conclusion: It could be used …
Determination Of Eight Anions In Liquid Milk,
2023
Guangzhou Inspection Testing and Certification Group Co. Ltd., National Quality Testing Center for Processed Food 〔Guangdong〕, Guangzhou, Guangdong 511447, China
Determination Of Eight Anions In Liquid Milk, Wu Ziling, Yao Xiaoqing, Shen Yingtao, Huang Jiale, He Minheng
Food and Machinery
Objective： A rapid method was established for the simultaneous determination of variety anions in liquid milk. Methods： The macromolecular protein in liquid milk was precipitated by acetonitrile, and a variety of anions were extracted. After purification by C18 column, the material was separated by Dionex IonPac AS19-HC ion column with gradient elution of potassium hydroxide and conductivity detection. Finally, a method for the determination of bromate, thiocyanate, nitrite, nitrate, chlorate, perchlorate, phosphate and iodine ion in liquid milk was established using ion chromatograph. Results： The results showed that the correlation coefficients （R2）of eight kinds of anion …
Determination Of 17 Aldehydes In Baijiu （Chinese Liquor） By Direct Injection Gas Chromatography,
2023
Sichuan Institute of Food Inspection, Chengdu, Sichuan 610000, China;Key Laboratory of Baijiu Supervising Technology for State Market Regulation, Chengdu, Sichuan 610000, China
Determination Of 17 Aldehydes In Baijiu （Chinese Liquor） By Direct Injection Gas Chromatography, Luo Yue, Zhong Ciping, Huang Ping, Chen Yanmei, Tang Jing, Yu Xiaoqin
Food and Machinery
Objective: To explore the content of aldehydes in Baijiu. Methods: A method for the determination of 17 aldehydes in Baijiu was established, and the methodological performance indexes were studied using statistics. Results: Through statistical analysis, the detection limit of 17 aldehydes in Baijiu was determined to be 0.7～5.9 mg/L, the limit of quantification was 1.9～14.6 mg/L, which passes the quality inspection of the calibration curve within the range of 0.6～320.0 mg/L, and the linear relationship meets the requirements. The recovery rate of intermediate standard addition in Baijiu was 73%～114%, the coefficient of variation in the laboratory was ≤11%, and the …
Solid Phase Extraction-Gas Chromatography-Flame Ionization Detection （Spe-Gc-Fid） For The Detection Of Mineral Oil Saturated Hydrocarbons （Mosh） In Infant Formula,
2023
Hunan Provincial Institute of Product and Goods Quality Inspection, Changsha, Hunan 410017, China
Solid Phase Extraction-Gas Chromatography-Flame Ionization Detection （Spe-Gc-Fid） For The Detection Of Mineral Oil Saturated Hydrocarbons （Mosh） In Infant Formula, Tang Wanli, Feng Yanying, Xiang Jun, Qin Haijiao, Hu Lingli
Food and Machinery
Objective: To establish a new accurate method for the determination of mineral oil saturated hydrocarbon （MOSH） in infant formula by solid phase extraction combined with gas chromatography-Flame Ionization Detection （SPE-GC-FID）. Methods: Different extraction methods such as soaking extraction, oscillating extraction, ultrasonic assisted extraction, liquid-liquid extraction were used to extract MOSH from infant formula milk powder, and different extraction solvents such as n-hexane, isooctane, benzene, mixed solvents were used to extract MOSH. The optimal extraction method and extraction solvent were determined based on the extraction amount of MOSH. The target compounds purified by AgNO3 SPE column, and finally detected by …
Determination Of 5 Kinds Of Biogenic Amines In Cheeses By High Performance Liquid Chromatography-Tandem Mass Spectrometry,
2023
School of Biological and Chemical Engineering, ZheJiang University of Science ＆ Technology, Hangzhou, Zhejiang 310023, China
Determination Of 5 Kinds Of Biogenic Amines In Cheeses By High Performance Liquid Chromatography-Tandem Mass Spectrometry, Zhang Hui, Cao Hui, Wang Jin, Xiao Gongnian, Jiang Kan
Food and Machinery
Objective: A new technical idea was provided for the study of biogenic amine formation mechanism and food safety risk assessment. Methods: An analytical method was established for determination of tyramine, phenylethylamine, tryptamine, octopamine and cadaverine in cheeses with high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). Biogenic amines were extracted by ultrasonic-assisted solvent extraction from cheeses, and were separated by HILIC column, determined by positive electrospray ionization (ESI) with multiple reaction monitoring (MRM) mode, quantified by the internal standard method. The effect of extraction solvent type, ultrasonic time and matrix effect on the peak area was studied, and the performance of …
Numerical Simulation Of Factors Affecting Flow Characteristics Of Double-Circular-Arc Gear Pump,
2023
College of Mechanical and Electrical Engineering, Henan University of Science and Technology, Luoyang, Henan 471003, China
Numerical Simulation Of Factors Affecting Flow Characteristics Of Double-Circular-Arc Gear Pump, Huang Cheng, Xu Kai, Wei Zhibo, Li Geqiang
Food and Machinery
Objective: Analyzed the influencing factors of the internal flow field pulsation characteristics of the new double circular arc gear pump, and adopt reasonable parameters to improve the output efficiency of the gear pump. Methods: The two-dimensional flow field simulation model of the gear pump was established, and the computational fluid dynamics software Fluent was used for simulation analysis to study the influence of different tip clearance, different gear eccentricity, load and speed on the instantaneous flow, flow pulsation and flow field characteristics of the oil outlet of the gear pump. Results: As the tooth tip clearance increased, the outlet flow …
Simulation Analysis Of Influence Of Pitch Variation On Flow Field Of Twin Screw Extruder With Different Direction,
2023
School of Artificial Intelligence, Being Technology and Business University, Beijing 100048, China;Plastic Beijing Municipal Key Laboratory of Health and Safety Quality Evaluation Technology, Beijing 100048, China
Simulation Analysis Of Influence Of Pitch Variation On Flow Field Of Twin Screw Extruder With Different Direction, Zhang Yiming, Huang Zhigang, Xu Zhen, Cheng Yuanyuan
Food and Machinery
Objective: Taking polylactic acid （PLA） as an example, the flow channel distribution of twin-screw extrusion under different pitch was studied. Methods: In Solidworks, two 3D models with variable pitch and constant pitch were drawn according to the theoretical end curve equation and modified. Workbench software was used to generate the required analysis models with the swept mesh method for the two screw configurations, and then Polyflow fluid simulation software was used to simulate the actual situation. After obtaining the post-processing results, FieldView software was used to analyze the final results. The pressure, shear rate and viscosity of polylactic acid fluid …
Research On Trajectory Planning Method For Camellia Oleifera Fruit Sorting Robot Based On Multi-Objective Optimization,
2023
JiangsuJinhu Secondary Professional School, Huai'an, Jiangsu 223001, China
Research On Trajectory Planning Method For Camellia Oleifera Fruit Sorting Robot Based On Multi-Objective Optimization, Fu Mingdi, Li Zhong, Wang Qianru, Zhao Fei
Food and Machinery
Objective: Solved the problems of poor motion stability and accuracy in the food sorting process of parallel robots. Methods: Based on the analysis of the three degree of freedom food sorting robot system, a method proposed which combined polynomial interpolation and improve multi-objective particle swarm optimization algorithm for Delta robot trajectory optimization. As a parallel robot, the optimization of the shortest operation time, lowest energy consumption, and minimal motion impact were taken as multiple objectives. The improved multi-objective particle swarm optimization algorithm was applied to optimize the polynomial interpolation method, and its performance was validated. Results: The planning trajectory of …
Meishan Nuo Culture-Based Design And Application Of A Public Brand For Local Specialty Foods From Xinhua, Hunan,
2023
College of Art and Design, Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
Meishan Nuo Culture-Based Design And Application Of A Public Brand For Local Specialty Foods From Xinhua, Hunan, Tong Ling
Food and Machinery
In this review, the Meishan culture was investigated, and the Meishan Nuo facial makeup culture was found to be a unique cultural form predominantly native with a diverse coexistence. The distinctive artistic features and cultural connotations of this culture were highlighted. The cultural elements of the primitive, exaggerated, and humorous artistic design techniques were incorporated into the design of the public brand "Meishan Hui" for the local specialty foods in Xinhua. The brand design strategy, from visual to connotative expression, was analyzed by investigating the application of packaging of various local specialty food in Xinhua through case studies, and the …
Prediction Of Moisture Content Of Hummus Peach Based On Multi-Burr Hyperspectral Data,
2023
Shenzhen University, College of Mechatronics & Control Engineering, Shenzhen, Guangdong 510086, China
Prediction Of Moisture Content Of Hummus Peach Based On Multi-Burr Hyperspectral Data, Gao Aidi, Qiao Fengzhang, Zhu Wenxuan, Zhong Xiaopin, Deng Yuanlong
Food and Machinery
Objective: To propose a new solution to overcome the two challenges of data with spikes and small sample sizes in nectarine hyperspectral measurement. Methods: Based on hyperspectral imaging technology, image processing methods were used to identify the area of nectarines in the hyperspectral image, and the spectral reflectance data of the area was calculated to form a hyperspectral curve image. For hyperspectral image data with spikes and noise, compared the effects of several data preprocessing methods, including polynomial smoothing algorithm (SG), multivariate scatter correction algorithm (MSC), standard normal variate algorithm (SNV), first-order derivative operator (D1), and second-order derivative operator (D2) …
A Method For Strawberry Ripeness Classification Method Based On Improved Cnn,
2023
Hebei Institute of International Business and Economics, Qinhuangdao, Hebei 066311, China
A Method For Strawberry Ripeness Classification Method Based On Improved Cnn, Zhang Xiaoyu, Huang Guoyan, Yang Yongtao, Bao Feng
Food and Machinery
Objective: To improve the classification accuracy of strawberries. Methods: A method of strawberry classification based on improved CNN was proposed by improving CNN through mixing pool method. Firstly, through the combination of maximum pooling and average pooling techniques, a hybrid pooling method was obtained. Then, the hybrid pool method was used to improve the generalization ability of CNN model. After that, image data acquisition, image preprocessing and image feature extraction were carried out. Finally, sensitivity, specificity, accuracy, recall rate and F1 score were used to evaluate the effectiveness of the trained strawberry classification method. Results: The sensitivity, specificity, accuracy, …
Apple Classification Based On Multi-Information Fusion And Da-Dbn,
2023
Zhengzhou Vocational and Technical College, Zhengzhou, Henan 450000, China
Apple Classification Based On Multi-Information Fusion And Da-Dbn, Chen Haixia, Jia Zhijuan, Zhao Yunping
Food and Machinery
Objective: In order to improve the precision of apple grade judgment model, the method of apple grade judgment was established. Methods: A decision model of apple rank based on multi-information fusion and dragonfly algorithm was proposed. Firstly, the HSV color feature, LBP texture feature and HOG shape feature of apple image were extracted by pre-processing such as data enhancement, normalization, Gauss filter and grayscale. Secondly, the performance of DBN model was affected by the selection of parameters, the network parameters of DBN model were optimized by DA algorithm, and a multi-information fusion and DA-DBN model for determining apple rank wws …
Determination And Comprehensive Evaluation Of Nutritional Quality Of 12 Kinds Of Potatoes,
2023
College of Horticulture and Forestry Sciences, Arar, Xinjiang 843300, China;Tarim University Xinjiang Production & Construction Corps Key Laboratory of Facility Agriculture, Arar, Xinjiang 843300, China
Determination And Comprehensive Evaluation Of Nutritional Quality Of 12 Kinds Of Potatoes, Shao Guoli, Tan Zhanming, Cheng Yunxia, Li Wenbo, Sun Wanting
Food and Machinery
Objective: This study aimed to screen potato varieties suitable for cultivation in southern Xinjiang. Methods: By combining factor analysis and cluster analysis, a comprehensive evaluation of the nutritional quality of 12 kinds of introduced potato species was conducted using them as test materials. Results: S1 contained the most protein, and S5 included the most soluble sugar content and vitamin C; S12 contained the least nitrate, and S10 contained the most reduced sugar and starch. Nutritional quality indicators differ significantly among potato varieties. The coefficients of variation of soluble sugar content, vitamin C content, and nitrate content were 47.13%, 37.03% and …
Quality Characteristics Of Highland Barley Powder With Different Particle Sizes,
2023
Qinghai Key Laboratory of Qinghai-Tibet Plateau Agricultural Products Processing, Academy of Agriculture and Forestry Sciences, Qinghai University, Xining, Qinghai 810016, China;Qinghai Tianyoude Technology Investment Management Group Co., Ltd., Qinghai Engineering and Technology Research Center of Comprehensive Utilization of Highland Barley Resources, Xining, Qinghai 810016, China
Quality Characteristics Of Highland Barley Powder With Different Particle Sizes, Guo Huizhen, Yang Xijuan, Dang Bin, Liang Feng, Ma Ping
Food and Machinery
Objective: This study aimed to explore the influence of different ultramicro grinding intensity on highland barley powder. Methods: Using ultramicro grinding to prepare different granularity of highland barley powder. Exploring the influence of granularity on the apparent characteristics, nutritional quality. Processing characteristics of highland barley powder. Results: The particle size of highland barley powder gradually decreased with the increase of mesh number. The contents of crude fiber, β-glucan, crude fat and ash of highland barley powder decreased with the decrease of particle size. On the other hand, the crude protein and damaged starch increased with the decrease of particle …
Study On The Effects Of Granularity Of Paprika On Physicochemical Properties And Volatile Flavor Compounds Of Chili Oil,
2023
College of Food Science and Technology, Sichuan Tourism University, Chengdu, Sichuan 610100, China
Study On The Effects Of Granularity Of Paprika On Physicochemical Properties And Volatile Flavor Compounds Of Chili Oil, Yang Fang, Deng Fenglin, Jia Hongfeng, Yuan Haibin, Yao Kunlong
Food and Machinery
Objective: This study aimed to investigate the effects of granularity of paprika on the physical and chemical properties and volatile flavor compounds of chili oil. Methods: Chili oil samples（KLD2-KLD5）were prepared from mechanically crushed paprika with different granularity （35, 30, 26, 20 mesh）, and the content of capsaicinoids, chromatic aberration value, and peroxide value of oil samples were determined by high performance liquid chromatography（HPLC）, colorimeter and other methods. The types and contents of volatile flavor compounds were detected and analyzed by gas chromatography-ion mobility spectrometry （GC-IMS） combined with principal component analysis （PCA）, partial least squares discriminant analysis （PLS-DA）, and heat map …
The Influence Of Drying Methods On The Physicochemical, Functional, And Antioxidant Properties Of Passion Fruit Peel,
2023
Food and Biology Engineering College, Henan University of Science & Technology, Luoyang, Henan 471023, China
The Influence Of Drying Methods On The Physicochemical, Functional, And Antioxidant Properties Of Passion Fruit Peel, Liu Zhaohan, Yang Tongxiang, Xu Hanshan, Li Xuejing, Chen Junliang, Ren Guangyue, Duan Xu
Food and Machinery
Objective: This study aimed to investigate the effects of drying methods on passion fruit peels. Methods: Passion fruit peels were treated with microwave vacuum freeze-drying, vacuum freeze-drying, heat pump drying, and far-infrared radiation drying. The drying characteristics, rehydration ratio, color difference, dietary fiber, functional properties, microstructure, total phenolic content, total flavonoid content, and antioxidant properties were measured and determined respectively. Results: Heat pump-dried passion fruit peels had poor rehydration ratio and functional properties. Microwave vacuum freeze drying reduced the drying time by 53% when compared tp far-infrared radiation drying, and the microwave vacuum freeze-dried treated passion fruit peels had a …
Optimization Of Extraction Process And Antioxidant Activity Of Total Flavonoids From Aloe Vera Stir-Fry Products,
2023
School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550025, China
Optimization Of Extraction Process And Antioxidant Activity Of Total Flavonoids From Aloe Vera Stir-Fry Products, Zeng Lingqin, Guo Jiangtao, Liu Jie, Chen Zhengyuan, Xu Jiahong
Food and Machinery
Objective: To optimize the extraction process of total flavonoids from Aloe vera stir-fry products and investigate its antioxidant activity. Methods: Single factor test and response surface method were used to optimize the extraction process, The content of total flavonoids in Aloe vera raw and fried products from different areas was determined by UV spectrophotometry,The antioxidant activity was studied by DPPH·, ABTS+·, ·OH and FRAP methods, the correlation between total flavonoids yield and antioxidant activity was analyzed by Pearson correlation. Results: The optimal extraction conditions were as follows soaking time 3 h, ultrasonic time 15 min, ethanol volume fraction …
Study On Heat-Resistant Powder Of Lactobacillus Plantarum Microcapsule,
2023
College of Biological Engineering, Henan University of Technology, Zhengzhou, Henan 450000, China
Study On Heat-Resistant Powder Of Lactobacillus Plantarum Microcapsule, Liu Yanxia, Guan Junjun, Cui Yaoming
Food and Machinery
Objective: This study aimed to improve the heat tolerance of Lactobacillus plantarum. Methods: On the basis of the previous research on the microcapsule emulsion, a kind of powder was prepared by spray drying with 2-hydroxypropyl-β-cyclodextrin (2-HP-β-CD). The response surface method is used to optimize different parameters. Its morphology was observed by light microscope and electron microscope, and the particle size was determined by laser particle size analyzer and Zeta potential analyzer; the absorbance change was measured by spectrophotometer, and heat resistance test was carried out by oven heating. Results: With the increase of the ratio …
Effect Of High Foam Ability Corn Glutelin Hydrolysate On Quality Of Chiffon Cake,
2023
Food College, Heilongjiang Bayi Agricultural University, Daqing, Heilongjjiang 163319, China
Effect Of High Foam Ability Corn Glutelin Hydrolysate On Quality Of Chiffon Cake, Fan Guangqi, Liu Xiaolan, Zheng Xiqun, Wang Juntong, Zhao Wanhong
Food and Machinery
Objective: This study aimed to provide a new direction for the application of protease restriction modification technique in corn protein. Methods: Corn glutelin was extracted from corn gluten meal. The response surface method was used to optimize the hydrolysis conditions of corn glutelin hydrolyzed by alcalase and protamex. The effects of different hydrolysates on the foam properties of corn glutelin and the additional amount on the quality of chiffon cake were investigated. Results: The optimal hydrolysis conditions for the protease alcalase and protamex on corn gluten were: pH 8, temperature 60 ℃, enzyme dosage 3%, pH 7, temperature 50 ℃, …
