Food Freshness Recognition Method Based On Improved Resnet Model,
2023
Jiangxi Institute of Economic Administrators, Nanchang, Jiangxi 330088, China
Food Freshness Recognition Method Based On Improved Resnet Model, Wan Wei, Pu Yingxue, Wang Xiang, Li Chao
Food and Machinery
Objective: Solve the problems of low detection efficiency and poor accuracy in existing food freshness recognition methods. Methods: Based on the food production line image acquisition system, an improved residual neural network model was proposed for food freshness recognition on the production line. The improved LRELU activation function was introduced to improve the recognition performance of the model, the batch normalization layer was introduced to improve the training efficiency of the model, and the Dropout layer was introduced to discard a certain proportion of neurons to reduce the impact of over fitting. Results: Compared with conventional food freshness recognition methods, …
Traditional Packaging Design For Local Food Based On The Intangible Cultural Heritage Of Shang-Jin Jun Kiln In Henan Province,
2023
Henan Polytechnic, Zhengzhou, Henan 450000, China
Traditional Packaging Design For Local Food Based On The Intangible Cultural Heritage Of Shang-Jin Jun Kiln In Henan Province, Bai Mei
Food and Machinery
Focusing on the Intangible Cultural Heritage project of Shenhou Jun Porcelain in Yuzhou, this study employs methods such as literature review, archaeological findings, and field research to analyze the historical culture, appearance, connotations, and craftsmanship of Shenhou Jun Porcelain. The study summarizes the distinctive features, methods, and patterns of Shenhou Jun Porcelain, and condenses its unique cultural characteristics. It further proposes packaging design strategies that integrate intangible cultural heritage with local food products in Henan, employing techniques such as logo design, graphic design, form design, artistic design, and dynamic design.
Research On Tomato Maturity Detection Method Based On Improved Yolov4 Model,
2023
Taiyuan City Vocational College, Taiyuan, Shanxi 030027, China
Research On Tomato Maturity Detection Method Based On Improved Yolov4 Model, Lu Jinrui, Fu Yan, Ni Meiyu, Cao Weigang, Du Zitao
Food and Machinery
Objective: To solve the problems of low detection accuracy and large number of model parameters in existing tomato maturity detection methods. Methods: Based on the tomato image acquisition system, an improved YOLOv4 model was proposed for automatic detection of tomato maturity. Introducing the lightweight network MobileNetv3 network into the model to replace the CSPParkNet53 network, reducing model complexity. Using average pooling instead of maximum pooling in the SPP module improved the algorithm's detection accuracy for small targets. Introduced attention mechanism CBAM in the upsampling process to enhance the fusion ability of deep and shallow features, and verified the feasibility of …
Protective Effects Of Procambarus Clarkii Shell Bioactive Peptides On Oxidative Stress Injury Of Zebrafish （Danio Rerio）,
2023
School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China
Protective Effects Of Procambarus Clarkii Shell Bioactive Peptides On Oxidative Stress Injury Of Zebrafish （Danio Rerio）, He Shuwen, Zhu Haojie, Han Pengwei, Yang Saijie, Cui Bo, Cheng Yunhui, Li Honghui, Wen Li
Food and Machinery
Objective: Explore the protective effect of Procambarus clarkii shell bioactive peptides （PCSBP） on oxidative stress injury in the organism. Methods: This study using alkaline protease hydrolysis method to prepare bioactive peptides and measured their antioxidant activity in vitro. Subsequently, the protective effects of PCSBP on oxidative stress injury in zebrafish under fasting stress was analyzed. Results: The PCSBP showed potential antioxidant capacity in vitro, with scavenging rates of DPPH radicals and hydroxyl radicals at （46.35±1.32）% and （75.22±2.18）%. The final body weight, body length and muscle amino acid content of zebrafish were decreased under fasting stress, but the growth …
Process Study On Mixed Bacterial Solid-State Fermentation Of Rice Bran For The Preparation Of Oryzanol And Evaluation Of Its Antioxidant Activity,
2023
National Center of Dark Tea Product Quality Inspection & Testing 〔Hunan〕, Yiyang, Hunan 413000, China;Yiyang Testing Institute of Product and Commodity Quality Supervision, Yiyang, Hunan 413000, China;School of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China;Hunan Agricultural Product Processing Institute, Changsha, Hunan 410125, China
Process Study On Mixed Bacterial Solid-State Fermentation Of Rice Bran For The Preparation Of Oryzanol And Evaluation Of Its Antioxidant Activity, Xia Xinxin, Lin Hai, Yang Guliang, Peng Xia, He Xinle
Food and Machinery
Objective: In order to improve the yield of oryzanol of rice bran. Methods: Rice bran was selected as the research subject, and Saccharomyces cerevisiae and Bacillus subtilis were selected as solid-state fermentation strains through single-factor experiments. The mixed bacterial solid-state fermentation process was optimized by Box-Behnken response surface method combined with the single factor experiments, based on the content of oryzanol. The antioxidant activity of the fermentation extracts was evaluated using DPPH and ABTS free radical scavenging assays. Scanning electron microscopy （SEM） was used to analyze the principle of oryzanol enrichment in mixed bacterial solid-state fermentation. Results: Under the of …
Isolation, Purification And Structure Analysis Of Polysaccharide From Lance Asiabell Root,
2023
Forestry College of Beihua University, Jilin, Jilin 132013， China
Isolation, Purification And Structure Analysis Of Polysaccharide From Lance Asiabell Root, Liu Yanqiu, Wang Yaru, Mao Dirui, Chang Kai
Food and Machinery
Objective: The structure of CLPS1 (polysaccharide fraction 1 of Codonopsis lanceolata) was determined to provide a basis for the study of polysaccharide activity of C. lanceolata and the development of natural plant polysaccharides. Methods: After extraction, separation, and purification, the separation component CLPS1 was determined by gas chromatography, infrared spectroscopy, nuclear magnetic resonance, periodate oxidation, Smith degradation, and methylation analysis to determine the structure of CLPS1. Results: The specific rotation of CLPS1 is +44°, the content of the total polysaccharide is 97.6%, the uronic acid of CLPS1 is 13.18%, and the molecular weight of CLPS1 is 91.7. The monosaccharide …
Ultrasound-Assisted Extraction And Antioxidant Study Of Crude Polysaccharide From Agrocybe Praecox,
2023
College of Biodiversity Conservation, Southwest Forestry University, Kunming, Yunnan 650224, China;Institute of Agricultural Product Processing, Hunan Academy of Agricultural Sciences, Changsha, Hunan 410125, China
Ultrasound-Assisted Extraction And Antioxidant Study Of Crude Polysaccharide From Agrocybe Praecox, Han Xiaolei, Lu Huiying, Liang Jueqin, Fan Wei, Liu Tao, Huang Zhiqun, Yang Guoshun, Xiong Zhi
Food and Machinery
Objective: In order to explore the extraction method and antioxidant activity of crude polysaccharide from edible fungus resources of reed. Methods: The characteristic Agrocybe praecox of reed edible fungus of Dongting Lake District was used as raw material, the extraction rate of polysaccharide was used as the index, and the extraction was carried out by ultrasonic-assisted hot water alcohol precipitation method. After taking the liquid-material ratio, ultrasonic extraction time, ultrasonic extraction power, hot water extraction temperature, hot water extraction time as the factors to finish the single factor experiments. Then the experiments was optimized by Box-Behnken center combined experimental design …
Research On Brewing Technology Of Bran Sauce Baijiu And Trace Composition Analysis,
2023
College of Food Engineering, Qingdao Institute of Technology, Qingdao, Shandong 266300, China
Research On Brewing Technology Of Bran Sauce Baijiu And Trace Composition Analysis, Li Mingzhu, Li Yuanjie, Hou Xiaolin, Feng Jinxiao
Food and Machinery
Objective: The brewing process and product characteristics of bran sauce Baijiu starters was studied by replacing part of Daqu with bran koji. Methods: Taking sensory score value and alcohol content of wine as evaluation indexes, the effects of wheat ratio, yeast addition and amount of bran koji addition on the quality of bran sauce Baijiu were studied by univariate experiment. The brewing process of bran sauce Baijiu was optimized by response surface optimization experiment, and the trace components of liquor were analyzed by liquid chromatography. Results: The ratio of wheat in feeding quantity was 16.0%, the addition amount of sorghum …
Study On Ultrasonic Assisted Enzymatic Extraction Of Grass Carp Visceral Oil And Analysis Of Its Fatty Acid Composition,
2023
Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, China
Study On Ultrasonic Assisted Enzymatic Extraction Of Grass Carp Visceral Oil And Analysis Of Its Fatty Acid Composition, Wang Zhengyun, Liu Zixiao, Zhan Yueping
Food and Machinery
Objective: This study aimed to optimize the extraction process of visceral fish oil from grass carp. Methods: Using grass carp viscera as raw material, fish oil was extracted by using ultrasonic assisted enzyme method. The effects of enzyme type, enzyme addition amount, enzymatic hydrolysis time, enzymatic hydrolysis temperature, ultrasonic treatment time, and ultrasonic treatment power on the extraction rate of fish oil were investigated. Results: The optimal process conditions for ultrasonic assisted enzymatic extraction of fish oil were neutral protease hydrolysis, enzyme addition of 2.5%, enzymatic hydrolysis time of 2 hours, enzymatic hydrolysis temperature of 45 ℃, ultrasonic treatment power …
Research Progress On The Flow Characteristics Of Secondary Refrigerants And Application Progress In Aquatic Products Storage And Preservation System,
2023
College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China;Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Hangzhou, Zhejiang 310014, China;National R & D Branch Center for Pelagic Aquatic Products Processing 〔Hangzhou〕, Hangzhou, Zhejiang 310014, China
Research Progress On The Flow Characteristics Of Secondary Refrigerants And Application Progress In Aquatic Products Storage And Preservation System, Xu Xia, Xu Mengyi, Yu Zhou, Zhou Xuxia, Ding Yuting
Food and Machinery
The secondary refrigerant is an intermediate medium for transferring cold capacity, which can improved refrigeration efficiency. In this paper, the classification and characteristics of secondary refrigerants are introduced, and discusses the flow characteristics of secondary refrigerants and the apparent viscosity changes and flow resistance characteristics during the flow of secondary refrigerants. In addition, the application of different types of secondary refrigerants in aquatic product preservation and storage system is also discussed, among which non-phase change secondary refrigerant is mainly used in food impregnation and freezing. The phase change material refrigerant is mainly used in cold storage and refrigerating truck of …
Research Progress On The Effect Of Whole Grain Components On Flour Product Qualities And Processing Characteristics,
2023
Chaoyang Teachers College, Chaoyang, Liaoning 122000, China
Research Progress On The Effect Of Whole Grain Components On Flour Product Qualities And Processing Characteristics, Shao Yulan, Sun Chenghang, Hu Bingbing
Food and Machinery
In this review, the effects of starch, protein, oil, polyphenols and other components in whole grains on the processing characteristics of dough and the quality of flour products were introduced, and problems and improvement measures of whole grain flour products were analyzed, in order to provide references for the research of whole grain flour products.
Research Progress On Constituent Structure And Extraction Technique Of The Polysaccharide From Agaricus Blazei,
2023
Institute of Agricultural Products Processing, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
Research Progress On Constituent Structure And Extraction Technique Of The Polysaccharide From Agaricus Blazei, Cui Guomei, Liu Lina, Tian Guangrui, Li Shunfeng, Xu Fangfang, Wang Anjian
Food and Machinery
The composition, structure and functional properties of Agaricus blazei polysaccharide were summarized. The extraction techniques of polysaccharides and the features of different extraction methods were enumerated and compared. The problems in the research of A. blazei was discussed， such as unsystematic basic research, immature technological conditions, imperfect equipment and facilities, and low degree of specificity in seeds. In the end，the research direction of A. blazei polysaccharide was prospected.
Research Progress Of Food Packaging Defect Detection Based On Machine Vision,
2023
Information Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China;Zhejiang Academy of Agricultural Sciences, Institute of Food Research, Hangzhou, Zhejiang 310022, China
Research Progress Of Food Packaging Defect Detection Based On Machine Vision, Ge Minghui, Zhang Jun, Lu Huijuan
Food and Machinery
Food packaging can develop defects during the production process due to various factors. The types of packaging defects are numerous with complex background. Machine vision detection, which uses visual imaging and computer information processing to complete tasks such as identification, detection, and measurement of packaging, has faster execution speed and higher accuracy compared to traditional manual inspection. This can significantly improve the degree of production automation. This article analyzes the common defects in food packaging and their causes, introduces traditional machine vision detection algorithms, and explores the research application of deep learning algorithms in food packaging defect detection. It also …
Tomato Surface Defect Detection Method Based On Image Local Variance Considering Brightness Correction,
2023
Shanxi Agricultural University, Taigu, Shanxi 030801, China;Intelligent Equipment Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
Tomato Surface Defect Detection Method Based On Image Local Variance Considering Brightness Correction, He Tingting, Yao Jichao, Zhang Zhonglili, Lu Tiangang, Yue Huanfang
Food and Machinery
Objective: In order to solve the problem of inaccurate defect extraction caused by complex and variable color and irregular texture changes of tomato surface defects, the defect segmentation method based on image local variance with brightness correction was proposed. Methods: On the basis of using histogram threshold segmentation method to segment calyx and stem scar and the method of domain pixel weighted sum to replace the original pixel to complete the brightness correction, the gray image of tomato surface was divided into several image blocks, and the color of each block was characterized by image pixel variance, and then the …
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms,
2023
Quality Inspection Institute of Quanzhou, Quanzhou, Fujian 362000, China
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms, Wu Han-Bin
Food and Machinery
Objective: This study aimed to establish a method by using QuEChERS-gas chromatography tandem mass spectrometry (GC-MS/MS), to determine six pesticide residues in tea, including: hydroprene, kinoprene, genite, fluronitrofen, cycloprate, and chlornitrofen. Methods: The samples were pretreated by QuEChERS method. They were separated by gas chromatographic, detected by multiple reaction monitoring (MRM) mode and quantified by the external method. Results: All the pesticide residues showed good linearity with correlation coefficients above 0.999 when the concentration falls in the range 0.025~2.000 mg/kg, and the limits of quantitation were in the range of 0.000 6 ~0.007 2 mg/kg. In the recovery experiment of …
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms,
2023
Hunan Provincial Institute of Product and Goods Quality Inspection, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410117, China
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms, Li Hong, Xiang Jun, Li Dan, Li Li-Juan, He Qing-Ke
Food and Machinery
Objective: This study aimed to establish a method for the simultaneous determination of 80 veterinary drugs including quinolones, sulfonamides, receptor agonists, glucocorticoids, macrolides, tetracyclines, antiviral drugs in chicken by QuEChERS - ultra high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS）. Methods: The samples were extracted by 1% formic acid acetonitrile aqueous solution, purified by QuEChERS multi-veterinary drug residue purification column, detected by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS） multi-reaction monitoring mode, and quantified by matrix standard curve external standard method. Results: The results showed that 80 kinds of veterinary drugs were highly responsive under specific mass spectrometry conditions, and the …
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China,
2023
School of Law, Sichuan University of Science and Engineering, Zigong, Sichuan 643000, China
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China, Chen He-Fang
Food and Machinery
At present, China has preliminarily established a food safety supervision system for imports and exports, with the current 21 year Food Safety Law as the basic law and the inspection and quarantine department as the main regulatory body. However, there are still problems such as low food safety standards, low management and technical level of regulatory departments, and lack of necessary coordination with major trading partners. In this regard, we can optimize and construct the legal supervision of China's import and export food safety from the dimensions of building scientific food safety standards that are in line with international standards, …
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang,
2023
School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China;Xinjiang Key Laboratory of Fruit Post-harvest Science and Technology, Urumqi, Xinjiang 830052, China
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang, Wang Yuan-Meng, Bai Yu-Jia, Feng Zuo-Shan, Cheng Huan
Food and Machinery
Objective: To improve the storage safety of Xinjiang fresh walnut. Methods: Xinjiang "Xin 2" thin-skinned walnut was used as material, sterile water was inoculated as a control group, and Aspergillus flavus was inoculated as an experimental group. The Aspergillus flavus isolated and purified from naturally moldy walnut was artificially inoculated into Xinjiang thin-skinned fresh walnut with different water content （10%, 15%, 20%, 25%, 30%） to investigate the growth and toxicity of Aspergillus flavus. Results: The water content of walnut which was suitable for the growth of Aspergillus flavus and the secretion of Aflatoxin M1 was 15%. With the …
Research On Apple Defect Detection Method Based On Improved Cnn,
2023
Henan Vocational College of Nursing, Anyang, Henan 455000, China
Research On Apple Defect Detection Method Based On Improved Cnn, Du Guo-Zhen, Lu Ming-Xing, Ji Ze-Xu, Liu Ji-Chao
Food and Machinery
Objective: To solve the problems of low accuracy and poor efficiency in existing apple defect detection methods. Methods: Based on a fruit image acquisition system, an improved convolutional neural network was proposed for detecting surface defects in apples. Deep separable convolution was Introduced to replace the original network standard convolution, to improve the speed of feature extraction. The Leaky ReLU activation function was introduced to replace the ReLU activation function to improve the calculation efficiency and accuracy. Global average pooling was introduced to replace the fully connected layer, to reduce the computational complexity of the network model. After each layer …
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol,
2023
College of Food Science and Engineering, Northwest A&F University, Xianyang, Shaanxi 712100, China
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol, Chen Xue, Liu Xue-Bo, Wang Yu-Xuan
Food and Machinery
Objective: This study aimed to explore the improvement effect of sesamol on skin lesions caused by psoriasis. Methods: The psoriasis model was constructed by using 5% imiquimod cream applied to the backs of mice for seven consecutive days, with sesamol intervention used from one week before to the end of modelling to explore the protective effect of sesamol on the skin. Then, observed and measured skin thickness, PASI score, spleen index, pathological tissue sections, cytokines (IL-17, IL-23, TNF-α and other inflammatory factors and chemokines like CXCL1 and CCL20), and inflammatory factors (IL-17, TNF-α) in plasma of mice …
