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Articles 5281 - 5310 of 33722

Full-Text Articles in Agriculture

Simultaneous Determination Of 45 Kinds Of Antibiotics In Aquatic Vegetables By High-Performance Liquid Chromatography-Triple Quadrupole Linear Ion Trap Mass Spectrometry, Zhang Jin-Jun, Xia Hui-Li, Gao Hai-Bo, Zhang Fang-Fang Dec 2022

Simultaneous Determination Of 45 Kinds Of Antibiotics In Aquatic Vegetables By High-Performance Liquid Chromatography-Triple Quadrupole Linear Ion Trap Mass Spectrometry, Zhang Jin-Jun, Xia Hui-Li, Gao Hai-Bo, Zhang Fang-Fang

Food and Machinery

Objective: This study aimed to establish a rapid screening and confirmation method for the 45 kinds of antibiotics, including quinolones, sulfonamides, nitroimidazoles and macrolides in aquatic vegetable, by ultra-high performance liquid chromatography-triple quadrupole-linear ion trap mass spectrometry (UPLC-Q-Trap-MS). Methods: The sample was extracted with acetonitrile containing 0.1% formic acid, then cleaned up with primary secondary amine (PSA), anhydrous magnesium sulfate (Na2SO4) and C18. The analytes were detected by UPLC-Q-Trap-MS in the multiple-reaction monitoring with information-dependent acquisition of enhanced product ion (SMRM-IDA-EPI) mode, followed by matching retrieval of a multiple antibiotic database. The …

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Determination Of 4 Categories Of Flavor Substances In Liquor By Gas Chromatography Mass Spectrometry, Xu Zhi-Fei, Wu Yu-Kang, Jiang Yu-Hong, Zhou Run Dec 2022

Determination Of 4 Categories Of Flavor Substances In Liquor By Gas Chromatography Mass Spectrometry, Xu Zhi-Fei, Wu Yu-Kang, Jiang Yu-Hong, Zhou Run

Food and Machinery

Objective: To establish an analytical method for the determination of four main flavor substances in liquor. Methods: A gas chromatography mass spectrometry (GC-MS) method was established for the simultaneous determination of esters, alcohols, acids, and aldehydes in liquor. Single ion monitoring (SIM) mode was chosen. Then the method was inspected through comparison with the standard mass spectrum database, quantitative analysis of the external standard method and relative standard deviation of day-in and day-out were investigated. Results: The limits of detection of the four types of flavor compounds in liquor were 0.007~0.070 mg/L, and the limits of quantitation …

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Research On The Application Of Big Data In Food Safety Supervision Risk Early Warning, Du Lin, Wen Sheng-Jun, Yuan Gang Dec 2022

Research On The Application Of Big Data In Food Safety Supervision Risk Early Warning, Du Lin, Wen Sheng-Jun, Yuan Gang

Food and Machinery

As an important part of modern food safety governance system, food safety risk early warning fully embodies the scientific principle of "prevention first, risk management, whole process control and social co governance". This paper focuses on how to use effective data collection and data analysis strategies to achieve food safety risk early warning through monitoring, analysis, evaluation and other ways, so as to support government supervision with a more scientific and accurate food risk data management and evaluation system.

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Construction Of Embedded Governance Model Of Food Safety Risk In China, Cai Shi-Qin Dec 2022

Construction Of Embedded Governance Model Of Food Safety Risk In China, Cai Shi-Qin

Food and Machinery

As an innovative research method, embedded governance not only pays attention to the impact of institutional factors on organizational change, but also pays more attention to the importance of economic, political, social and other factors in organizational development. The review summarized the practical problems of "decoupling" between the governance subject, governance mechanism, governance means and governance objectives in Chinese food safety risk, such as the unidirectional governance subject, the decoupling of governance means, and the hysteresis of governance mechanism. It is pointed out that the embedded management of food safety risks in China can be realized and the new model …

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Study On Optimization Of Motion Parameters Of Catfish Headless Processing Device Based On Fem, Li Chen-Yang, Shan Hui-Yong, Zhang Cheng-Hao, Tian Yun-Chen, Wei Yong Dec 2022

Study On Optimization Of Motion Parameters Of Catfish Headless Processing Device Based On Fem, Li Chen-Yang, Shan Hui-Yong, Zhang Cheng-Hao, Tian Yun-Chen, Wei Yong

Food and Machinery

Objective: Improve the mechanization and automation of the pretreatment process of China’s freshwater fish processing industry. Methods: The catfish head cutting simulation model is constructed by the numerical analysis software ANSYS/LS-DYNA, and the catfish head removal process is simulated and analyzed and the motion parameters are optimized by FEM. The blade speed and transportation speed are adjusted with the minimum cutting power consumption as the optimization goal, and the accuracy of the simulation results is verified by the prototype test. Results: When the speed of the blade is 850 r/min and the conveying speed is 14 cm/s, …

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Online Visual Detection Method Of Defective Baoyu-Flavor-Slices Based On Mechanical Vision, Xiang Yu-Hang, Zhou Cong-Ling, Wang Yong-Qiang Dec 2022

Online Visual Detection Method Of Defective Baoyu-Flavor-Slices Based On Mechanical Vision, Xiang Yu-Hang, Zhou Cong-Ling, Wang Yong-Qiang

Food and Machinery

Objective: To solve the problem of appearance defects of Baoyu-flavor-slices, such as edge damage, internal porosity and uneven wrapper thickness in the production process. Methods: An on-line detection method based on machine vision was proposed. The Baoyu-Flavor-Slices were arranged into a single layer array by mechanical carding device. After image acquisition, image segmentation, gray value stretching and contour edge extraction were selected for image processing. Edge damage detection was completed by using the feature of outer contour roundness, abnormal wrapper thickness detection was accomplished by measuring wrapper thickness, by calculating the porosity area, the porosity detection was completed. …

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Research On Mill Distance Monitoring System Based On Machine Vision, Lu Shao-Jie, Wu Wen-Bin, Zhang Wen-Long, Hou Ning-Pei, Liu Pei-Kang, Zhao Qi-Feng Dec 2022

Research On Mill Distance Monitoring System Based On Machine Vision, Lu Shao-Jie, Wu Wen-Bin, Zhang Wen-Long, Hou Ning-Pei, Liu Pei-Kang, Zhao Qi-Feng

Food and Machinery

Objective: Real-time monitoring of the grinding roller distance of the pulverizer. Methods: CCD industrial camera was used to collect the rolling distance image, threshold segmentation and morphology were used to preprocess the gray image, and then the edge detection algorithm combined with MATLAB software and mathematical operation were used to eliminate the irrelevant edge points, and finally the rolling distance of the mill was calculated. The feasibility and veracity of the system were verified by comparing the value of gauge and the value of system monitoring. Results: The data fluctuation range of the online monitoring system was …

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Efficientnet Edible Fungus Image Recognition Based On Improved Weight Decay, Yao Zhi-Xin, Zhang Tai-Hong, Zhao Yun-Jie Dec 2022

Efficientnet Edible Fungus Image Recognition Based On Improved Weight Decay, Yao Zhi-Xin, Zhang Tai-Hong, Zhao Yun-Jie

Food and Machinery

Objective: In order to solve the problem of edible fungus species identification, an EfficientNet edible fungus image classification model based on convolution neural network is proposed. Methods: Firstly, the edible fungus images were collected and the datasets were made according to different equipment and shooting environment, and then the model performance was improved through model training skills and network skills. A YWeight weight attenuation method was proposed to control the effective learning rate, and the generalization performance of the model was affected by controlling the cross-boundary. Results: This method makes EfficientNet-B0 obtain 79.82% (+0.85%) top-1 accuracy on …

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Storage Stability Of Bilayer Indicator Films Containing Anthocyanin, Wang Wen-Yan, Zhou Xi, Wei Zhen, Yu Xi-Zheng, Xiong Guo-Yuan Dec 2022

Storage Stability Of Bilayer Indicator Films Containing Anthocyanin, Wang Wen-Yan, Zhou Xi, Wei Zhen, Yu Xi-Zheng, Xiong Guo-Yuan

Food and Machinery

Objective: This study aimed to investigate the best storage conditions for anthocyanin indicator films. Methods: The double-layer indicator films containing anthocyanins were investigated. The mechanical properties (tensile strength and elongation at break), thickness, color and antioxidant properties (DPPH free radical scavenging ability, total phenol content and ABTS free radical scavenging ability) of double-layer indicator films containing anthocyanins were determined at different storage time (0, 7, 14, 21, 28 and 35 d) and temperature (25, 4 and 18 ℃). Results: The results showed that the thickness of the indicator films was generally maintained at about 0.15 mm, and …

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Application Of Information Visualization Technology In Tea Packaging Design, Xie Qi, Qin Yu-Yang Dec 2022

Application Of Information Visualization Technology In Tea Packaging Design, Xie Qi, Qin Yu-Yang

Food and Machinery

With functional information of tea as the starting point, information visualization as the means and tea packaging as the medium, benefiting from the visual communication between tea and consumers realized by the joint forces of the three, this paper discusses the principles and methods of information visualization in tea packaging design, and transmits the relevant information of tea to consumers easily, quickly and effectively to achieve the purpose of promotion.

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Storage Endurance Evaluation Of 'Jinxiu' Yellow Peach With Different Sugar Content Based On Nmr And 1h-Mri Techniques, Zhou Hui-Juan, Ye Zheng-Wen, Zhang Zhi-Qiang, Du Ji-Hong, Zeng Si-Yi Dec 2022

Storage Endurance Evaluation Of 'Jinxiu' Yellow Peach With Different Sugar Content Based On Nmr And 1h-Mri Techniques, Zhou Hui-Juan, Ye Zheng-Wen, Zhang Zhi-Qiang, Du Ji-Hong, Zeng Si-Yi

Food and Machinery

Objective: To evaluate the storability of yellow peach with different sugar content. Methods: The respiration intensity, ethylene release rate, soluble solid content and texture of the fruit stored at 0, 14, 21, 28, 35, (35+3) d were measured. Nuclear Magnetic Resonance (NMR) technique and proton magnetic resonance imaging (1H-MRI) were used to determine the content of free water (A2) and relaxation time (T2) to observe the changes of fruit stored at (2±0.5) ℃. Results: During storage and shelf, the decrease rate of firmness of pulp, flesh compactedness and chewiness was faster in low-sugar group, especially at the …

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Numerical Simulation Of Pitaya Freeze-Drying Process Based On Fractal Theory, Zhang De-Zheng, Yu Ke-Zhi, Zhang Tong Dec 2022

Numerical Simulation Of Pitaya Freeze-Drying Process Based On Fractal Theory, Zhang De-Zheng, Yu Ke-Zhi, Zhang Tong

Food and Machinery

Objective: To optimize the drying characteristics of dragon fruit freeze-drying process. Methods: Based on the fractal theory and the theory of heat and mass transfer in porous media, the COMSOL software was used to numerically simulate red pitaya slices with a thickness of 8, 10, 12, 14 mm and a radius of 40 mm to simulate the sublimation and drying stage of pitaya. The heat and mass transfer process in the internal porous medium, the real-time displacement of the ice interface during the ice sublimation process is obtained, the sublimation period is predicted, and the experimental verification is …

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An Improved Automatic Detection Model For Egg Defection Based On Yolov5, Yao Xue-Feng, Li Chao Dec 2022

An Improved Automatic Detection Model For Egg Defection Based On Yolov5, Yao Xue-Feng, Li Chao

Food and Machinery

Objective: To solve the problems of low detection efficiency and poor accuracy of existing automatic detection methods for egg defect images. Methods: Based on the egg detection system, an improved YOLOv5 automatic detection model was proposed. Added the lightweight network MobileNetv3 to YOLOv5 model to reduce the complexity of the model, and deleted the neck network and small target detection at the output end. Results: Compared with the traditional control method, this method can detect the surface defects of egg targets more accurately and efficiently, with the complexity of more than 35% reducing, the detection time of …

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Effect Of Irradiation On Active Components Of Rhodiola Rosea Extracts And Their Hypoglycemic Ability, Qu Meng, Chang Yan-Qiu, Qi Xin, Cui Cheng-Bi Dec 2022

Effect Of Irradiation On Active Components Of Rhodiola Rosea Extracts And Their Hypoglycemic Ability, Qu Meng, Chang Yan-Qiu, Qi Xin, Cui Cheng-Bi

Food and Machinery

Objective: This study aimed to study the changes of active components in irradiated Rhodiola rosea extracts (RRE) and their hypoglycemic effect. Methods: Rhodiola rosea was irradiated with 60Co-γ rays at doses of 5, 10, 20 and 30 kGy, respectively. High performance liquid chromatography (HPLC) was used to analyze RRE compounds before (0 kGy) and after irradiation. The type 1 diabetic mouse models established by intraperitoneal injection of Streptozotocin (STZ) were given a gavage. The body weight, fasting blood glucose, food intake and water intake of mice were measured regularly. Oral glucose tolerance was measured on the last day, …

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Extraction Process, Structural Characteristics And Biological Activity Of Mesona Chinensis Polysaccharide, Dong Wei, Ma Sheng-Jian, Guo Jun-Xian, Luo Hao, Tao Mei-Hua Dec 2022

Extraction Process, Structural Characteristics And Biological Activity Of Mesona Chinensis Polysaccharide, Dong Wei, Ma Sheng-Jian, Guo Jun-Xian, Luo Hao, Tao Mei-Hua

Food and Machinery

Objective: This study focused on improving the extraction rate and application of Mesona chinensis polysaccharide (MCP). Methods: MCP was obtained from fresh M. chinensis by thermally alkaline extraction, protein removal by trichloroacetic acid and purification by dialysis bag. The chemical structure was analyzed by ultraviolet and infrared spectrum scanning, X-ray diffraction and SEM scanning. The antioxidant activity was determined by in vitro antioxidant capacity, and the antibacterial activity was determined by antibacterial experiment. Results: The optimal extraction conditions of MCP were solid-liquid ratio of 1∶5.47 (g/mL), soaking time of 10.71 min, sodium bicarbonate concentration of 1.64%. Under …

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Analysis Of Protein Extraction And Antioxidant Activity Of Enzymatic Hydrolysates From Scallop Processing By-Products, Guo Yu, Wen Shi-Yu, Ni Ce, Ou Xiao-Hui, Qu Ting-Min, Wu Ying, He Shu-Wen, Li Hong-Hui, Cui Bo, Cheng Yun-Hui, Wen Li Dec 2022

Analysis Of Protein Extraction And Antioxidant Activity Of Enzymatic Hydrolysates From Scallop Processing By-Products, Guo Yu, Wen Shi-Yu, Ni Ce, Ou Xiao-Hui, Qu Ting-Min, Wu Ying, He Shu-Wen, Li Hong-Hui, Cui Bo, Cheng Yun-Hui, Wen Li

Food and Machinery

Objective: This study aimed to improve the utilization value of scallop processing by-products, by analyzing the antioxidant activity of its protein hydrolysates. Methods: The processing by-products of Argopecten irradians were used as raw materials, and the proteins were extracted by alkali extraction and acid precipitation, alkali extraction and ammonium sulfate precipitation and low temperature ethanol denaturation precipitation. Then the proteins were analyzed by SDS-PAGE. Pepsin, flavourzyme, dispase and alcalase were used to hydrolyze the protein, and the antioxidant activities of the hydrolysate products were analyzed. The molecular weight distribution, amino acid composition and hydroxyproline content of dispase hydrolysates …

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Effect Of Spray Drying On The Functional Properties Of Egg Yolk Powder, Ang Yuan, Duan Xu, Cao Wei-Wei, Ren Guang-Yue, Wang Zhe, Li Lin-Lin Dec 2022

Effect Of Spray Drying On The Functional Properties Of Egg Yolk Powder, Ang Yuan, Duan Xu, Cao Wei-Wei, Ren Guang-Yue, Wang Zhe, Li Lin-Lin

Food and Machinery

Objective: This study aimed to develop the application of egg yolk powder in the field of feed, functional food and biopharmaceuticals. Methods: Using fresh eggs as raw materials, yolk powder was prepared by spray drying, and the effects of different parameters on the content of yolk antibody (IgY), protein structure and functional properties of egg yolk powder were analyzed. Results: Considering the antibody content, physicochemical properties and functional properties of egg yolk powder comprehensively, when the inlet air temperature was 140 ℃ and the feed flow rate was 600 mL/h, the IgY content of egg yolk powder …

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Effects Of Typical Hot Processing On The Quality Of Chestnut, Zhou Kui, Li Ming-Juan, Zhang Ya-Yuan, Zhou Qing Dec 2022

Effects Of Typical Hot Processing On The Quality Of Chestnut, Zhou Kui, Li Ming-Juan, Zhang Ya-Yuan, Zhou Qing

Food and Machinery

Objective: This study aimed to explore the appropriate cooking method of chestnut. Methods: Nine kinds of thermal treatment on the quality of chestnut were compared. The thermal treatment included chestnut fruit (roasting, cooking without water under normal-pressure, cooking within water under normal-pressure, cooking without water under high-pressure, cooking within water under high-pressure) and chestnut kernel (cooking without water under normal-pressure, cooking within water under normal-pressure, cooking without water under high-pressure, cooking within water under high-pressure). Results: The content of starch and polyphenols in chestnut were decreased by the nine kinds of thermal treatment, while the amylose content …

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Progress In The Analysis And Detection Of Steroidal Hormones In Royal Jelly, Li Zheng, Yang Jing, Jiao Li-Li, Li Hui, Wu Wei Dec 2022

Progress In The Analysis And Detection Of Steroidal Hormones In Royal Jelly, Li Zheng, Yang Jing, Jiao Li-Li, Li Hui, Wu Wei

Food and Machinery

The rapid determination of steroidal hormones and their contents in royal jelly by molecular imprinting and high performance liquid chromatography-mass spectrometry (HPLC-MS) was reviewed. The research progress of liquid-liquid extraction, solid phase extraction, QuECHERS and other pretreatment methods, as well as HPLC-MS, gas chromatography-mass spectrometry (GC-MS), radioimmunoassay and enzyme-linked immunosorbent assay were introduced. The advantages and disadvantages of various pretreatment methods and analytical methods were analyzed and compared. Finally, the feasibility of using molecular imprinting technology and HPLC-MS to detect steroid hormones in royal jelly was prospected.

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Research Progress On New Extraction Technologies And Bioactivities Of Flavonoids From Orange, Liu Dan, Guo Huan, Wu Di, Gan Ren-You Dec 2022

Research Progress On New Extraction Technologies And Bioactivities Of Flavonoids From Orange, Liu Dan, Guo Huan, Wu Di, Gan Ren-You

Food and Machinery

The new extraction technologies of citrus flavonoids in recent five years were reviewed, including low eutectic solvent extraction, subcritical fluid extraction and magnetic molecular blot selective extraction.the bioactivities and mechanisms of citrus flavonoids, such as antioxidant, anti-inflammatory, antibacterial, anti-obesity, anti-diabetes, anti-cancer, intestinal protection, cardiovascular protection, liver protection and neuroprotection, were also expounded, and suggestions for further study of citrus flavonoids were proposed.

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Research Progress Of Mushroom Sauce, Chen Jing, Tang Hao-Guo, Wang Jia-Kang, Yang Tong-Xiang, Ma Li-Ping Dec 2022

Research Progress Of Mushroom Sauce, Chen Jing, Tang Hao-Guo, Wang Jia-Kang, Yang Tong-Xiang, Ma Li-Ping

Food and Machinery

This review summarized the research achievements of mushroom sauce in recent years, from the aspects of raw and auxiliary materials selection, formula, and process research, analysis and testing, existing problems, and prospected the raw material quality and nutrition safety detection.

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Research Progress Of Plant-Based Meat Products, Dou Kang-Ning, Zhao Yong-Gan, Jin Shao-Ju, Li Chao-Min, Deng Tong-Xing, Zhao Zhi-Jun Dec 2022

Research Progress Of Plant-Based Meat Products, Dou Kang-Ning, Zhao Yong-Gan, Jin Shao-Ju, Li Chao-Min, Deng Tong-Xing, Zhao Zhi-Jun

Food and Machinery

The concept, raw materials, technology, texture, sensory, nutrition, market, patent and safety of plant-based meat products were reviewed, and the achievements and shortcomings of the development of plant-based meat products were summarized. It is indicated that the next researching should be done from the protein types of raw materials, protein molecular modification, texturized protein production technology, genetic engineering technology transformation, etc.

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Phenolic Compounds Profile And Antioxidant Activities Of Different Fractions Of Tartary Buckwheat, Chen Yue, Zhu Yong, Qin Li-Kang Dec 2022

Phenolic Compounds Profile And Antioxidant Activities Of Different Fractions Of Tartary Buckwheat, Chen Yue, Zhu Yong, Qin Li-Kang

Food and Machinery

Objective: This study aimed to investigate the phenolic compounds profile and antioxidant activities of different fractions of Tartary buckwheat. Methods: Tartary buckwheat was ground and sieved into shell, bran and powder. Phenolic compounds in tartary buckwheat were extracted with 70% ethanol, and phenolic compounds composition and antioxidant activity of the extract were analyzed. Results: In Tartary buckwheat bran, the total phenolics and flavonoids were (3 042±31) mg GAE/100 g·DW and (5 290±233) mg RE/100 g·DW, accounting for 60.8%, 67.7% of the total Tartary buckwheat, respectively. Rutin was the dominant phenolic compounds in bran extract, and the content …

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Effects Of Lotus Leaf Powder On Physicochemical Properties Of Flour And Crisp Biscuits, Wang Feng-Lei Dec 2022

Effects Of Lotus Leaf Powder On Physicochemical Properties Of Flour And Crisp Biscuits, Wang Feng-Lei

Food and Machinery

Objective: The effects of lotus leaf coarse powder and lotus leaf superfine powder on the physical and chemical indexes of flour and its application in crisp biscuits were studied in this paper, and explored the suitable amount of lotus leaf coarse powder and lotus leaf superfine powder added in crisp biscuits. Methods: Farinograph, extensograph, wet gluten tester, and falling number tester were used to determine the effects of lotus leaf powder on the physical and chemical indexes of flour. The hardness of the dough and the shear force of the crisp biscuit were measured by the texture analyzer, …

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Determination Of Duck Meat Adulteration Ratio In Pork Stuffing, Fei Ying-Min, Pan Lei, Ni Xue, Zhang Gen-Sheng Dec 2022

Determination Of Duck Meat Adulteration Ratio In Pork Stuffing, Fei Ying-Min, Pan Lei, Ni Xue, Zhang Gen-Sheng

Food and Machinery

Objective: This study aimed to determine the proportion of duck adulteration in pork stuffing by gas chromatography. Methods: Based on the analysis of characteristic fatty acid types as well as contents in different meats by gas chromatography, the standard fingerprint profiles of pork and duck were established manually, and the chromatograms of duck adulteration samples with 10%, 30%, 50% and 70% adulteration in pork stuffing were analyzed. The characteristic fatty acids of duck-pork were finally selected as lauric acid, stearic acid, trans Behenic acid, and linoleic acid. The adulteration experiment was simulated to establish the prediction regression models …

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Detection Of Defective Shrimp And Optimization For Key Parameters In Multi-Channel Automatic Elimination System, Zeng Ling-Xiao, Liu Zi-Hao, Yan Zhi-Peng, Zhao Kun, Liu Hao Dec 2022

Detection Of Defective Shrimp And Optimization For Key Parameters In Multi-Channel Automatic Elimination System, Zeng Ling-Xiao, Liu Zi-Hao, Yan Zhi-Peng, Zhao Kun, Liu Hao

Food and Machinery

Objective: When inspecting the appearance and quality of Litopenaeus Vannamei, the system can realize the automatic elimination of defective shrimps efficiently. Methods: Constructed an automatic shrimp elimination equipment and quality inspection. Structured an algorithm to extract shrimps’ morphological feature, complete the clarification of normal and defective shrimps. Realizing defective shrimps’ elimination by blowing them from the side to middle. Through the analysis of internal stress of shrimp, we calculated the correlation between blowing volume and moving distance. Moreover, the relationships among gass output volume, shrimps’ moving distance and speed had been optimized. Results: With the increasing of …

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Real-Time Classification Method For Liquor Hops Based On Deep Learning, Liu Zhi-Ping, Cui Ke-Bin Dec 2022

Real-Time Classification Method For Liquor Hops Based On Deep Learning, Liu Zhi-Ping, Cui Ke-Bin

Food and Machinery

Objective: To solve the subjectivity and instability of the traditional Baijiu picking method " liquor-receiving according to liquor hop", and the problem that the existing machine vision hops classification method is difficult to meet the real-time classification. Methods: The lightweight YOLOv5 takes YOLOv5s as the initial model, uses the K-mean clustering anchor box to replace the default anchor box to improve the model detection accuracy and stability, uses the shufflenetv2 network to replace the YOLOv5s backbone network for feature extraction, so as to achieve the purpose of lightweight model, and adds the CBAM attention mechanism to make the …

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Automatic Classification Of Banana Ripeness Based On Deep Learning, Wang Ling-Min, Jiang Yu Dec 2022

Automatic Classification Of Banana Ripeness Based On Deep Learning, Wang Ling-Min, Jiang Yu

Food and Machinery

Objective: To classify banana ripeness quickly and accurately. Methods: Collect the bananas images of different maturity and establish gallery, using a variety of different neural networks as a classifier, banana feature extracting by migration study classifying banana six maturity level, access to the most suitable for banana maturity classification network model, network model, based on the improved and easily banana maturity real-time detection interface design, Finally, the feasibility and practicability of the model were verified. Results: AlexNet model was most suitable for banana maturity classification with the highest accuracy of 95.56%. AlexNet model was improved by modifying …

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Preparation And Application Of Maillard Reaction Flavors Based On Cigar Tobacco Leaf Residues, Xu Xiu-Juan, Wang Ai-Xia, Hu Shao-Dong, Shi Qing-Zhao, Yang Chun-Qiang, Ma Ji Dec 2022

Preparation And Application Of Maillard Reaction Flavors Based On Cigar Tobacco Leaf Residues, Xu Xiu-Juan, Wang Ai-Xia, Hu Shao-Dong, Shi Qing-Zhao, Yang Chun-Qiang, Ma Ji

Food and Machinery

Objective: To solve the problem of tobacco leaf residues produced during the production of tobacco extracts. Methods: Maillard reaction was carried out using aqueous extracts from cigar tobacco leaf residues as raw materials, and the effects of amino acid dosage and reaction time on the chemical composition of the Maillard reaction products and the sensory quality of cigarettes were systematically investigated. The relationship between the 18 components of the Maillard reaction product and the sensory index of cigarettes was also investigated. Results: ① Based on sensory effects, the optimal reaction conditions for the Maillard reaction based on …

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Research Progress On The Sources And Detection Methods Of Determination Of Benzo-Α-Pyrene In Aquatic Products, Xia Hong, Liu Li, Peng Xi-Tian, Peng Li-Jun, Lin Chun Dec 2022

Research Progress On The Sources And Detection Methods Of Determination Of Benzo-Α-Pyrene In Aquatic Products, Xia Hong, Liu Li, Peng Xi-Tian, Peng Li-Jun, Lin Chun

Food and Machinery

This review summarized the source, properties, as well as the harm of benzo-α-pyrene exposure to aquatic products. The commonly used instrumental analysis methods for the detection of benzo-α-pyrene were also discussed, and the future research direction of benzo-α-pyrene detection was prospected.

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