Measurement Of Amino Acid And Comprehensive Quality Assessment Of Different Flaxseed Variety,
2021
Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
Measurement Of Amino Acid And Comprehensive Quality Assessment Of Different Flaxseed Variety, Wang Li-Yan, Sun Qiang, Wang Xin-Miao, Jing Rui-Yong, Guo Yong-Xia
Food and Machinery
Objective: This study aimed to investigateing amino acid content and quality difference of different flaxseed varieties, based on their amino acid content. Methods: 12 flaxseed varieties from 6 producing areas were used to tested materials, amino acid contents in flaxseed were measured and 17 amino acid contents were used to assessing index, which was analyzed by principal component and clustering for studying the amino acid content and quality difference of flaxseed based on amino acid content. Results: affected order of flaxseed varieties on different amino acid content was Met>Cys>Phe>Tyr>Arg>Glu>Pro>His>Asp>Ser>Lys>Gly …
Design And Test Of Spoilage Sensing Monitoring System For Fruit,
2021
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
Design And Test Of Spoilage Sensing Monitoring System For Fruit, Guo Chuang, Guo Zhi-Ming, Sun Li, Song Ye, Zou Xiao-Bo
Food and Machinery
Objective: In order to solve the difficulty of multi-gas dynamic monitoring and early warning of fruit spoilage. Methods: Based on the gas sensor, the fruit spoilage sensor detection system was developed, and the gas sensor module, data acquisition module and other modules were designed. Developed inspection software and integrated inspection system.Taking apple as the verification object, the response difference and change law of the gas sensor before apple corruption were analyzed. Results: The linear discriminant analysis, k-nearest neighbor and back-propagation artificial neural network (BP-ANN) chemometric methods were used to establish the classification model of apple before spoilage. The recognition rate …
Mercury Content Analysis And Risk Assessment Of The Major Aquatic Products In Maoming,
2021
College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, China
Mercury Content Analysis And Risk Assessment Of The Major Aquatic Products In Maoming, Wang Li, Xu Hua-Jie, Li Hai-Li, Chi En-Zhong, Li Hai-Gang
Food and Machinery
Objective: To understand the current situation and level of mercury pollution in main aquatic products in Maoming area, so as to provide the basis for quality supervision and safe consumption of aquatic products. Methods: Ten kinds of aquatic products commonly consumed by residents in four districts of Maoming were selected as the evaluation objects according to the questionnaire. The total mercury content of the samples was determined by atomic fluorescence Spectrophotometer, pollution degree assessment, dietary exposure assessment and health risk assessment were carried out by single factor pollution index method, weekly average exposure per unit weight and target hazard quotient …
Detection Of Blending Proportion Of Cut Tobacco Stem Based On Rgb Image Features,
2021
Bengbu Cigarette Factory, China Tobacco Anhui Industrial Co., Ltd., Bengbu, Anhui 233000, China
Detection Of Blending Proportion Of Cut Tobacco Stem Based On Rgb Image Features, Kou Xiao-Teng, Zhang Yong, Zhang Hui, Zhang Chao, Ding Nai-Hong
Food and Machinery
Objective: A method based on RGB image processing to detect the blending proportion of cigarette stems and shreds was proposed to provide technical support for the optimization of cigarette blending uniformity. Methods: Tobacco powder was prepared by mixing leaf and stem into powder according to different proportion, and the RGB mean value of each test sample was determined by image analysis technology. The function model of stem blending proportion and RGB mean value was obtained by regression analysis of stem blending proportion and RGB mean value, and the accuracy, accuracy and repeatability of the model were verified. Results: The polynomial …
Research On The Network Public Sentiment Transmission And Cross-Border Governance Of Food Safety In The Era Of Converged Media,
2021
Kaifeng Vocational College of Culture and Art, Kaifeng, Henan 475001, China
Research On The Network Public Sentiment Transmission And Cross-Border Governance Of Food Safety In The Era Of Converged Media, Guo Zhuo-Ya
Food and Machinery
The review summarized the dissemination stage, including the fluctuation stage, sequence change stage, and conflict stage and decay stage, and the existing characteristics of network public opinion about food safety. A "1+N" comprehensive governance model, based on the main body, knowledge, organization and time, for governing the public sentiment involved in food safety was proposed.
Safety Issues Of Tourism Food And The Establishment Of The Relative Security System In China,
2021
Shijiazhuang Vocational and Technical College, Shijiazhuang, Hebei 050081, China
Safety Issues Of Tourism Food And The Establishment Of The Relative Security System In China, Shi Gao-Yan
Food and Machinery
Aiming at thesafety issue in tourism food industry chain, the causes of these problems in China were analyzed. Suggestions on the establishment of Chinese tourism food safety system were put forward, including controlling of the source, the applying the HACCP control system, and establishing tourism food information symmetry system, food safety law and efficient emergency treatment system. The development trend of safety guarantee system of Chinese tourism food was also expected.
Pulsed Vacuum Drying Characteristics And Multi-Objective Optimization Of Poria Cubes,
2021
College of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China
Pulsed Vacuum Drying Characteristics And Multi-Objective Optimization Of Poria Cubes, Zhang Wei-Peng, Chen Hao-Ran, Fan Xiao-Zhi, Xiao Hong-Wei, Zheng Zhi-An, Ju Hao-Yu
Food and Machinery
Objective: In order to explore the effects of drying temperature, vacuum duration, atmospheric duration and their interactions on drying time, specific energy consumption, polysaccharide content and broken ratio of Poria cubes in pulsed vacuum drying process, so as to obtain better drying parameters and improve the drying efficiency and quality of Poria cocos cubes. Methods: the drying temperature (55~95 ℃), vacuum duration (0~20 min) and atmospheric duration (0~8 min) were selected as independent variables, and central composite design of response surface method was used to analyze the drying process; The quadratic regression model of drying time, specific energy consumption, polysaccharide …
Research On Performance Of Nh3/Co2 Cascade Refrigeration System With Variable Rotation Speed,
2021
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China
Research On Performance Of Nh3/Co2 Cascade Refrigeration System With Variable Rotation Speed, Ye Meng-Ying, Gu Zhong, Xie Jing
Food and Machinery
Objective: This study aimed to research the influence of different rotation speed of high-temperature compressor on the performance of NH3/CO2 cascade refrigeration system under various seasons and evaporation temperature of 25 ℃. Methods: The NH3/CO2 cascade refrigeration system model was established and its reliability was verified in this paper. The relationship between the rotation speed of high-temperature compressor and the evaporation temperature, the discharge temperature, the intermediate temperature, high-temperature compressor power, cooling capacity, Coefficient of Performance (COP) of cascade refrigeration system was calculated and analyzed. Results: The relative error of the simulation model for …
Interactive System Design Of English Ordering Robot Based On Deep Coding Network,
2021
Guang’an Vocational and Technical College, Guangan, Sichuan 638000, China
Interactive System Design Of English Ordering Robot Based On Deep Coding Network, Mu Bin-Bin, Wang Ping
Food and Machinery
Objective: This paper studies the design ideas and concepts of the emotional interaction of the ordering robot, so as to design the human-based intelligent emotional interaction method of the ordering robot. Methods: Firstly, BLSTM network was used to construct the English semantic parameter coding network, then put forward thrust type attention model, this model can extract data by means of weighting, after that, the constrained SeqGAN network architecture is designed to complete the decoding, so as to adjust the parameters of the generating device and narrow the gap between the generated ordering language and human English emotional interaction response. Results: …
Cultural Value And Innovative Strategy Of Local Food Packaging Under The Rural Revitalization Process,
2021
Guizhou Radio and Television University, Guiyang, Guizhou 550023, China
Cultural Value And Innovative Strategy Of Local Food Packaging Under The Rural Revitalization Process, Wang Qiao-Xing
Food and Machinery
Taking the opportunity of the proposal and implementation of the current "Rural Revitalization Strategy", the cultural value of local food from the three dimensions of philosophical basis, cultural connotation and expression of the times was analyzed. On this basis, it is proposed that the current local food packaging process should fully excavate its cultural connotation, adhere to the green and healthy ecological design concept, and start with respecting personalized design ethics, and actively explore the innovative development path of local food packaging.
Prediction Of Sugar Content In Apple Based On Near-Infrared Spectroscopy Of Ssa-Elm,
2021
Changzhou Vocational Institute of Textile and Garment, Changzhou, Jiangsu 213164, China
Prediction Of Sugar Content In Apple Based On Near-Infrared Spectroscopy Of Ssa-Elm, Qiao Zheng-Ming, Zhan Cheng
Food and Machinery
Objective: In order to eliminate a large amount of redundant information in near infrared spectrum, and improve the accuracy of sugar degree in apple of the prediction model, a method for fast and non-destructive testing of the sugar content of apples was established. Methods: A prediction model of apple sugar content based on wavelet packet transform and bottle ascidian algorithm was proposed. Firstly, according to the characteristics of apple spectral data with high and complex dimensions, the spectral data was reduced, and the characteristic wavelength screening method was determined by comparing the results of full band and partial least squares …
Nondestructive Detection Of Moisture Content In Fresh Fruit Corn Based On Hyperspectral Technology,
2021
College of Agricultural Engineering, Shanxi Agricultural University, Taigu, Shanxi 030801, China
Nondestructive Detection Of Moisture Content In Fresh Fruit Corn Based On Hyperspectral Technology, Lian Meng-Ru, Zhang Shu-Juan, Ren Rui, Chi Jiang-Tao, Mu Bing-Yu, Sun Shuang-Shuang
Food and Machinery
Objective: In order to realize the fast and accurate prediction of moisture content of fresh fruit corn. Methods: Hyperspectral technology was used to collect and extract the spectral data of fresh fruit and corn. The effects to the accuracy of model were studied by comparing the data from Standard Normalized Variate (SNV), Multiplicative Scatter Correction (MSC), Savitzky-Golay smooth (SG) and Moving Average (MA), etc. MSC was selected for preprocessing. Based on the data preprocessed by MSC, successive projections algorithm (SPA), Competitive Adaptive Reweighted Sampling(CARS)and random frog (RF) were selected to optimize the characteristic wavelength for the prediction of moisture content …
Classification And Recognition Of Broken Hickory Shell Materials Based On Deep Learning,
2021
College of Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
Classification And Recognition Of Broken Hickory Shell Materials Based On Deep Learning, Li Wen-Bao, Cao Cheng-Mao, Zhang Jin-Yan, Peng Mei-Le
Food and Machinery
Objective: In order to classify the pecan materials after the shell is broken, and to improve the deep processing level of pecans. Methods: 5 types of pecan samples were obtained through the image acquisition system, including relatively intact shell kernels, undivided kernels, unbroken intact pecans, incomplete shell kernels undivided, and shells. Using the data augmentation way, a sample containing 15 000 images created data sets were obtained. Build a model based on the VGG16 network, which was trained and verified on a data set containing 5 types of pecan material images according to the ratio of 9∶1. Results: The results …
Research On Separation System Of Potato Processing Raw Materials Based On Machine Vision,
2021
School of Information Engineering, Lingnan Normal University, Zhanjiang, Guangdong 524048, China
Research On Separation System Of Potato Processing Raw Materials Based On Machine Vision, Li Ming, Wang Run-Tao, Jiang Wei
Food and Machinery
Objective: Taking raw potatoes as the objects, an automatic sorting system was designed to realize the automatic identification of potato under the set standard, which provided technical support for the processing and production of potato products. Methods: The control flows of sorting system and sorting algorithms were constructed. Images of two sides of a potato were acquired automatically through automatic transmission, machine vision acquisition and suction pressure turning. The image restoration algorithms were used to eliminate motion blur and the detection algorithms of area ratio, length diameter and bulge were designed to detect potatoes deformity, germination and size of potatoes. …
Hunan Cold Chain: Cold Chain Traceability System Based On Blockchain,
2021
Beijing Key Laboratory of Internet Culture and Digital Dissemination Research, Beijing Information Science and Technology University, Beijing 100101, China
Hunan Cold Chain: Cold Chain Traceability System Based On Blockchain, Pan Hui-Ping, Li Bao-An, Lu Xue-Qiang, Jiang Yang, Li Guo-Lin, Zhang Le
Food and Machinery
Objective: In order to solve the problem that traditional traceability system cannot guarantee the reliability and integrity of data, and strengthen the protection and monitoring of cold chain food. Methods: Based on the trustworthiness and traceability of blockchain technology, the Hunan Provincial Market Supervision and Administration Bureau had built a traceability system for the Hunan Cold Chain. Hunan Cold Chain adopt a storage method that could read and write separation, and used a cache system to improve the efficiency of the blockchain system to read and write status data. Results: Thereby achieving data sharing in the traceability link of the …
Optimization On Microwave-Assisted Extraction Of Rosa Roxburghii Tratt Polysaccharide And Its Antitumor Activity,
2021
Food Processing Institute of Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou 550025, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, Guizhou 550014, China
Optimization On Microwave-Assisted Extraction Of Rosa Roxburghii Tratt Polysaccharide And Its Antitumor Activity, Tang Jian-Bo, Lu Du, Pan Mu, Peng Mei, Yang Juan
Food and Machinery
Objective: To optimize the microwave-assisted extraction process of Rosa roxbunghii Tratt polysaccharide (RRTP) from the Rosa roxbunghii Tratt (RRT) dried fruit and evaluate the antitumor activities of RRTP extracted by the optimum processing conditions. Methods: Taking the yield of polysaccharides as the index, and based on the single factor test, the extraction process parameters were optimized by the response surface experiment to establish the model of S180 solid tumor to study the antitumor activities of RRTP. Results: The optimum extraction conditions for RRTP were as follows: microwave power 240 W, liquid to solid 37∶1 (mL/g), microwave time 24 min, …
Characterization Of Synthetic Tetrahydrocurcumin And Its Antioxidant Activity In Vitro,
2021
College of Light Chemical Technology, Guangdong Industry Polytechnic, Guangzhou, Guangdong 510300, China
Characterization Of Synthetic Tetrahydrocurcumin And Its Antioxidant Activity In Vitro, Du Shu-Xia, Shan Wang, Xu Li, Teng Xiao-Huan, Tan Qi-Kun
Food and Machinery
Objective: This study focuses on exploring a more effective method of tetrahydrocurcumin synthesis. Methods: With vanillin and acethylacetone as starting materials, curcumin was prepared by Claisen condensation reaction under the condition of alkali, and then a hydrogenation reaction was conducted with palladium catalysis to obtain tetrahydrocurcumin. Its structural identification was confirmed by Ultraviolet and Visible Spectrophotometry (UV-VIS), Infrared Spectroscopy (IR) and Nuclear Magnetic Resonance Spectroscopy (1H-NMR, 13C-NMR). The antioxidant activity was evaluated by DPPH radical scavenging capacity, ABTS radical scavenging capacity and total antioxidant capacity. Results: The results showed that the total yield of this synthesis was …
Optimization Of Extraction Process Of Polyphenols From Different Parts Of Trifolium Pretense Linn And Its Antioxidant Activity,
2021
School of Biological Sciences and Technology, Liupanshui Normal University, Liupanshui, Guizhou 553000, China
Optimization Of Extraction Process Of Polyphenols From Different Parts Of Trifolium Pretense Linn And Its Antioxidant Activity, Li Xin-Ran, Wang Xu-Ying, Xu Zi-Yi, Pan Yong-Qi, Weng Gui-Ying
Food and Machinery
Objective: The present study aimed to optimize the extraction process of polyphenols from Trifolium pratense Linn and evaluate the antioxidant activity in vitro. Methods: Ultrasonic-assisted extraction of total polyphenols from stems, leaves, and flowers was firstly performed, and the parts with higher polyphenol content were selected for further investigation. Then the response surface methodology was used to optimize the extraction process, and its antioxidant activity was evaluated by scavenging rate of hydroxyl radical and superoxide anion radical. Results: The results showed that the content of polyphenols in the leaves is relatively high. The optimal extraction process is as follows: the …
Effects Of Ultra-Fine Green Tea Powder On Noodle Quality And Optimization Of Green Tea Noodle Formula,
2021
College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
Effects Of Ultra-Fine Green Tea Powder On Noodle Quality And Optimization Of Green Tea Noodle Formula, Cai Xi-Xi, Chen Xu, Chen Xuan, Chen Meng-Shi, Gao Xue-Ling, Wang Shao-Yun
Food and Machinery
Objective: The study aimed to explore the effect of ultra-fine green-tea powder on the quality of noodles, and develop a kind of noodles rich in superfine powder of green tea. Methods: The effects of ultra-fine green tea powder on the texture characteristics, water migration and sensory flavor of noodles were comprehensively analyzed, and the formula of ultra-fine green tea noodles was optimized by response surface design. Results: The addition of ultra-fine green-tea powder had adverse effect on the cooking characteristics of noodles. Adding 2%~4% superfine green tea powder could improve the sensory and texture properties of noodles, including hardness, chewability …
Study On Western Style Of Rabbit Meat Ham Rich In Corn Germ Oil And It's Quality Analysis,
2021
Luohe Vocational College of Food, Luohe, Henan 462300, China; Luohe Food Institute, Luohe, Henan 462300, China
Study On Western Style Of Rabbit Meat Ham Rich In Corn Germ Oil And It's Quality Analysis, Zhang Xue-Quan, Li Xiang-Hui, Wu Guang-Hui
Food and Machinery
Objective: A western-style rabbit meat ham rich in corn germ oil was developed, and the corn germ oil was used to replace animal fat in traditional ham. Methods: Using corn germ oil, rabbit and starch as the main raw materials, through single factor test and L9 (34) orthogonal test, the types of starch and the best addition amount of corn germ oil, rabbit and starch were determine, and the quality indexes of western-style rabbit meat ham were tested according to relevant national standards. Results: The western-style rabbit meat ham, which was rich in corn germ oil, made …
