Evaluation Of Uncertainty In Determination Of Two Quaternary Ammonium Salt Disinfectants In Drinking Water By High-Performance Liquid Chromatography Tandem Mass Spectrometry,
2024
Jiangsu Institute of Metrology, Nanjing, Jiangsu 210023, China
Evaluation Of Uncertainty In Determination Of Two Quaternary Ammonium Salt Disinfectants In Drinking Water By High-Performance Liquid Chromatography Tandem Mass Spectrometry, Zhang Xuemei, Kong Xiangji, Tian Feng
Food and Machinery
[Objective] To achieve good internal quality control of determination of decamethylammonium chloride and benzalkonium chloride residues in drinking water by high performance liquid chromatography tandem mass spectrometry, and to promote the improvement of detection methods. [Methods] A mathematical model and fishbone diagram were established to evaluate the introduced uncertainty components, and the combined standard uncertainty and expanded uncertainty were calculated. [Results] Under the inclusion factor k=2, and the decamethylammonium chloride and benzalkonium chloride residue in drinking water samples was 4.3 μg/L and 4.7 μg/L and their expanded uncertainty U was 0.52 μg/L and 0.48 μg/L, respectively. [Conclusion] The uncertainty …
Design And Analysis Of A New Type Of Fresh Peach Slitting Machine,
2024
School of Mechanical and Electrical Engineering, Henan Technical Institute, Zhengzhou, Henan 450042, China
Design And Analysis Of A New Type Of Fresh Peach Slitting Machine, Zhang Yifei
Food and Machinery
[Objective] To deal the technical difficulties in further realizing the automation of de nucleating production of fresh peach slices. [Methods] A new type of fresh peach slicing and coining machine was designed. The cutting tool for slice kerning was simplified and analyzed by Mathematical analysis, and the motion characteristic equation and curve of the mechanism were obtained. The motion simulation analysis of the slicing and core-removing tool mechanism was carried out by using SolidWorks Motion software, and the motion characteristic curve of the mechanism was obtained.The correctness of the mathematical analysis was verified, and the rationality of the design of …
Design And Implementation Of An Auxiliary Calculation System For Structural Parameters Of The Rotor System Of A Roller Huller,
2024
School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
Design And Implementation Of An Auxiliary Calculation System For Structural Parameters Of The Rotor System Of A Roller Huller, Cheng Min, Zhou Shihao, Wang Mingxu, Zhang Chao, Xu Xuemeng
Food and Machinery
[Objective] To improve the design efficiency of the mechanical structure of the rotor system of a rubber roller husker. [Methods] An auxiliary calculation system for the rotor system design parameters of a rubber roller husker （RRHRSPD） that can be independently installed and operated under the Windows system was developed using VB and Matlab platforms. Based on the equivalent design method and the traditional mechanical design method, the coupling relationships among the technological parameters, dynamic parameters and structural parameters of the husker were established, and the calculation principle of the structural parameters of the rotor system was also explored. VB was …
The Application Design Strategy Of Spatial Art Features Based On Meishan Culture In Local Food Packaging Design,
2024
School of Art and Design, Changsha University of Science & Technology, Changsha, Hunan 410114, China
The Application Design Strategy Of Spatial Art Features Based On Meishan Culture In Local Food Packaging Design, Liu Ying
Food and Machinery
In response to the current situation of packaging design for local food, this study extracts structural features, decorative element features, color features, and cultural features from spatial art based on Meishan culture, and deconstructs them into local food packaging design. It explores the design ideas and strategies of integrating the spatial artistic essence contained in Meishan culture with local food packaging, enhancing food-added value, showcasing regional characteristics, enhancing cultural connotations, assisting local economic development and cultural dissemination, promoting the inheritance of ethnic culture, and innovating local food packaging.
Changes In Epidermal Waxy Morphology And Related Properties Of Postharvest Sweet Cherry,
2024
College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, Shanxi 030801, China;College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong, Shanxi 030801, China
Changes In Epidermal Waxy Morphology And Related Properties Of Postharvest Sweet Cherry, Zhang Yulei, Cui Qingliang, Wang Yu, Liu Yaping, Zhang Yanqing
Food and Machinery
[Objective] This study aimed to reveal the reasons of different varieties for sweet cherry's storability and provide theoretical support and technical guidance for edible coating in its postharvest preservation. [Methods] Four representative sweet cherry varieties （Red Light, Rainey, Red Agate, and Friendship） were selected as research objects. The surface morphology of different varieties of sweet cherry skin, the contact angle of skin to different solutions, the changes of surface morphology, contact angle and critical surface tension of Red Agate sweet cherry during storage were investigated. [Results] There were differences in the distribution and morphology of wax on the epidermal of …
Research On Influence Of Light Region On Near Infrared Spectroscopy For Online Detection Of Sugar Content Of Grapefruit,
2024
School of Mechanical and Electrical Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Research On Influence Of Light Region On Near Infrared Spectroscopy For Online Detection Of Sugar Content Of Grapefruit, Tang Ziye, Wen Tao, Dai Xingyong, Hu Feng
Food and Machinery
[Objective] To improve the accuracy of online measurement of sugar content of grapefruit by near infrared spectroscopy. [Methods] The pomelo online non-destructive testing equipment developed by ourselves was used to collect diffuse transmission spectrum data of pomelo in three light regions. In the wavelength range of 650~950 nm, orthonormal variable transformation （SNV）, multiple scattering correction （MSC）, Normalize, Savitzky-Golay first order derivative, SG-1st preprocessed the original data, used the adaptive weighting algorithm （CARS） to screen the spectral characteristics of the grapefruit sugar content, and established a partial least squares regression （PLSR） model. 30 grapefruit samples that were not involved in the …
Online Detection And Sorting Of Passion Fruit Quality Based On Machine Vision Using Multi-Indicator,
2024
College of Mechanical and Electrical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
Online Detection And Sorting Of Passion Fruit Quality Based On Machine Vision Using Multi-Indicator, Chu Xuan, Hong Jialong, Feng Gengxin, Yao Zhenquan, Ma Zhiyu
Food and Machinery
[Objective] Refining the accuracy and intelligence of passion fruit quality assessment. [Methods] The study used the capabilities of OpenCV along with a compact neural network architecture, MobileNetV3_large_ssld, to accurately determine the fruit's diameter, ripeness, and the degree of its wrinkling. The diameter measurement was achieved by analyzing the short side of the fruit's minimum bounding rectangle. The ripeness assessment was based on the pixel ratio of H component values within specific ranges （H∈[0,10]∪[156,180], [11,25], [26,34], [125,155]） in the HSV color space. Furthermore, the study developed a MobileNetV3_large_ssld model to evaluate the wrinkling of the fruit's skin. Leveraging these three key …
Study On Temperature Field In Tall Bungalow Based On Geosynclinal Ventilation,
2024
Zhengzhou Railway Vocational and Technical College, Zhengzhou, Henan 451460, China
Study On Temperature Field In Tall Bungalow Based On Geosynclinal Ventilation, Zhang Shuyuan, Wang Sen, Hou Yaolong, Chen Xi, Zhang Xiangxiang
Food and Machinery
[Objective] In order to study the effects of geosynclinal ventilation on the temperature of tall bungalow warehouse. [Methods] The numerical simulation software COMSOL was used to conduct numerical simulation of temperature field under mechanical ventilation for 96 h for tall bungalow warehouse with size of 60 m×24 m and loading height of 6 m. By establishing the mass conservation equation, momentum conservation equation and energy conservation equation, the variation of temperature field in the warehouse under different ventilation modes was analyzed, and the numerical simulation of different unit ventilation conditions was extended. [Results] After mechanical ventilation for 36 h, most …
The Therapeutic Effect Of Yam Polysaccharide On Dextran Sodium Sulfate-Induced Ulcerative Colitis In Mice,
2024
School of Traditional Chinese Medicine， Guangdong Pharmaceutical University， Guangzhou， Guangdong 510006， China
The Therapeutic Effect Of Yam Polysaccharide On Dextran Sodium Sulfate-Induced Ulcerative Colitis In Mice, Su Wei, Chen Hongpeng
Food and Machinery
[Objective] This study aimed to investigate the effects of Yam Polysaccharide (YP) on ulcerative colitis (UC) mice. [Methods] The study included a blank group, YP group, DSS group, and DSS+YP group. The UC model was established by administering DSS water solution, and the treatment group received oral administration of YP for 7 days. Measurement of body weight, DAI score, inflammatory factors in the colon, NLRP3 inflammasome, and HE staining were conducted to evaluate the effects. RAW 264.7 macrophages were treated with 1 μg/mL lipopolysaccharide (LPS) for 24 h to establish the cell inflammation model in vitro. A certain concentration of …
Analysis Of Main Taste Substances And Sensory Evaluation Of Shuixian Wuyi Rock Tea Narcissus In Different Years,
2024
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China;College of Tea and Food Science, Wuyi University, Nanping, Fujian 354300, China
Analysis Of Main Taste Substances And Sensory Evaluation Of Shuixian Wuyi Rock Tea Narcissus In Different Years, Song Xiaoyue, Wu Zhifeng, Qiu Mutao, Wang Jingwen, Ma Chunhua
Food and Machinery
[Objective] This study aimed to investigate the correlation between taste substances and flavor presentation intensity of Shuixian Wuyi rock tea from different storage years. [Methods] The main taste substances, including tea polyphenols, flavonoids, free amino acids, soluble sugars, catechins and other components, were detected in several years of Narcissus (2022, 2018, 2016, 2014, 2012, 2010, 2008, 2006 for storage 1, 3, 5, 7, 9, 11, 13, 15 years, respectively) by using chemical methods and high-performance liquid chromatography, and the reasons for the change of the two and their correlation were analyzed by combining with the sensory evaluation of the electronic …
Comparison Of Volatile Compounds Between The Green And Yellow Ripening Fruits Of Four Guava Species,
2024
Guangdong Food and Drug Vocational College, Guangzhou, Guangdong 510520, China
Comparison Of Volatile Compounds Between The Green And Yellow Ripening Fruits Of Four Guava Species, Wang Haibo, Zhong Dan, Lin Zhixin, Ou Qiyun, Qiu Guiyu
Food and Machinery
[Objective] This study aimed to analyze the differences in volatile compounds between the mature green and mature yellow fruits of guava. [Methods] The volatile compounds in 4 kinds of guava fruits during the mature green and mature yellow were detected by gas chromatography ion mobility spectroscopy (GC-IMS). [Results] 130 volatile compounds were detected in 4 kinds of guava fruits ("Yanzhihong", "Sijihong", "Baizhenzhu" and "Siji"). Qualitative analysis showed that the fruit flavored ethyl trans-2-butenate, the grass flavored 2-hexenal and hexanal were the volatile compounds with the highest content among the 4 kinds of guava fruits. The content of volatile components in …
A Study On Extraction Of Volatile Oil From Green Orange Peel By Reduced-Pressure Steam Distillation And In Vitro Antioxidant Activity,
2024
School of Chemistry and Materials Engineering Hainan Vocational University of Science and Technology, Haikou, Hainan 571126, China;Applied Chemistry Research Center of Hainan Vocational University of Science and Technology, Haikou, Hainan 571126, China
A Study On Extraction Of Volatile Oil From Green Orange Peel By Reduced-Pressure Steam Distillation And In Vitro Antioxidant Activity, Li Guijuan, Zhao Huiping, Xiao Yezhi, Gan Wencheng, Fan Siqi
Food and Machinery
[Objective] This study aimed to develop a method for extracting volatile oil from green-orange peel by reduced-pressure steam distillation. [Methods] A volatile oil tester was combined with a vacuum device for the extraction of volatile oil from green-orange peel, and a regulating valve in the device controlled the vacuum level. The composition and content of volatile oil under reduced pressure and atmospheric pressure were determined by gas chromatography-mass spectrometry (GC-MS), and the in vitro antioxidant activity was evaluated. [Results] The optimum process for the extraction of volatile oil by reduced-pressure steam distillation was: particle size of 8 mesh, solid-liquid ratio …
Optimization Of Preparation Process And Molecular Characterization Of Limonin-Albumin Nanoparticles Using Response Surface Methodology,
2024
Food Engineering College, Beibu Gulf University, Qinzhou, Guangxi 535000, China;Guangxi College and University Key Laboratory of High-value Utilization of Seafood and Prepared Food in Beibu Gulf, Qinzhou, Guangxi 535000, China;College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi 530000, China
Optimization Of Preparation Process And Molecular Characterization Of Limonin-Albumin Nanoparticles Using Response Surface Methodology, Liang Xinfu, Zeng Zezheng, Chen Deqiang, Huang Li, Dong Qingliang
Food and Machinery
[Objective] The construction of limonin-albumin nanoparticles provides a theoretical basis for the further application of limonin. [Methods] Limonin-albumin nanoparticles were prepared by desolvation-chemical crosslinking method using bovine serum albumin as nanocarriers. The optimal preparation process was determined by single factor experiment and response surface test with embedding rate as index, and the nanoparticles were characterized. [Results] When the amount of bovine serum albumin was 64 mg, the amount of lemon bitter was 4 mg, the specific volume ratio of alcohol to water was 5∶1, and the amount of crosslinker was 125 μL, the average particle size and polydispersion index of …
Research Progress In Manufacturing Technique Of Artificial Meat,
2024
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Research Progress In Manufacturing Technique Of Artificial Meat, You Xiaoyan, Li Yachun, Duan Xu
Food and Machinery
Cultivated meat, as an innovative substitute for conventional meat, is widely recognized as an effective solution to challenges such as meat supply shortages, environmental impacts, and animal welfare concerns. Based on the production technology used, cultivated meat can be categorized into three types: plant-based meat, cell-cultured meat, and microbial protein meat. This review explores the production processes and sensory quality enhancement techniques for these three types of cultivated meat, analyzes their respective technological advantages and challenges, and provides a forecast on the future development trends of cultivated meat products.
Research Progress On The Nutritional Composition, Biological Activity, And Application Of Ganoderma Lucidum,
2024
School of Environmental and Food Engineering, Liuzhou Vocational & Technical College, Liuzhou, Guangxi 545006, China
Research Progress On The Nutritional Composition, Biological Activity, And Application Of Ganoderma Lucidum, Chen Yijun, Yang Xiaomei, Lin Lihua
Food and Machinery
Ganoderma lucidum has anti-tumor, antioxidant, and immune enhancing effects. This review summarized the latest research progress on the main nutritional components and biological activities of G. lucidum and the current comprehensive utilization status of G. lucidum in medical and health fields, analyzed the existing problems, and prospected the future development direction of G. lucidum.
Research Progress On Extraction Methods And Biological Activities Of Korean Pine Seed Oil,
2024
Changzhou Advanced Vocational and Technical School, Changzhou, Jiangsu 213161, China;Wujin Branch, Jiangsu United Vocational and Technical College, Changzhou, Jiangsu 213161, China
Research Progress On Extraction Methods And Biological Activities Of Korean Pine Seed Oil, Chen Ping, Wang Jin, Li Hua
Food and Machinery
The natural vegetable oil known as Korean pine seed oil is well-known for its high content of being various unsaturated fatty acids, including oleic, linoleic and pinopuric acid. It has been proved that Korean pine seed oil has several physiological benefits such as lowering blood lipids, enhanceing immunity, anti-inflammation, anti-oxidation, enhancing insulin sensitivity, and anti-tumor. This review summarized the extraction methods and pharmacological effects of Korean pine seed oil in recent years, and put forward good suggestions for its application in edible oil and industrial production.
Research And Application Status Of Molecular Simulation Technology In Food Field,
2024
School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, Hunan 410014, China
Research And Application Status Of Molecular Simulation Technology In Food Field, Bi Xinjian, Wen Shiyu, Qu Tingmin, Wu Hao, Xie Yufei, Wen Li
Food and Machinery
In the food field, a large number of phenomena and problems that are difficult to be macroscopically explained by traditional experimental methods occur during the process of research and development in upstream laboratories to production in downstream factories. Molecular simulation techniques are not only efficient and cost-effective, but also an important tool for connecting micro and macro scales, because molecular models can be used to study molecular behaviors at the atomic level, and thus predict and explain experimental results. This review summarized the commonly used software and databases for molecular simulation techniques, and introduced their applications in recent years in …
Design Of Apple Damage Automatic Detection System Based On Machine Vision,
2024
College of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou, Jiangsu 213164, China
Design Of Apple Damage Automatic Detection System Based On Machine Vision, Qin Yinchu, Li Tao, Li Xu, Wang Meiling, Tan Zhiying
Food and Machinery
[Objective] To meet the practical requirements for comprehensive grading based on the appearance quality and size of apples, and to address issues such as low efficiency of manual sorting, complex structure, and high cost of sorting equipment for Chinese apples. [Methods] A YOLOv5s-apple model was proposed. The transformer module and CBAM attention module were introduced into the backbone network, and the weighted Bidirectional feature pyramid network (Bi-FPN) was added to improve the neck network. Then, combined with HALCON software, a self-designed intelligent apple damage detection system was used to carry out damage sorting and size classification. [Results] The experimental results …
Early Spoilage Detection Of Apple Based On Generative Adversarial Network And Mask R-Cnn,
2024
Hebei Institute of Mechanical and Electrical Technology, Xingtai, Hebei 054000, China
Early Spoilage Detection Of Apple Based On Generative Adversarial Network And Mask R-Cnn, Yu Qilong, Zhao Xiaodong, Ji Yu, Wang Chunrong, Sun Yao
Food and Machinery
[Objective] To improve the detection accuracy of early apple spoilage zone. [Methods] An apple spoilage detection method was proposed based on generative adversarial network and convolutional neural network. The Pix2PixHD model was used to generate near-infrared imaging data of stored apples in the early postharvest metamorphic area. The Mask R-CNN model was used to segment the generated near Infrared image to detect the deterioration zone in the apple. Based on generative adversarial network and convolutional neural network technology, the early deterioration region segmentation and prediction of postharvest apples were implemented by using the generated near-infrared imaging data on a low-cost …
Effects Of Pre-Freezing And Sucrose Impregnation Methods On The Quality Of Freeze-Dried Apple Slices,
2024
College of Food Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
Effects Of Pre-Freezing And Sucrose Impregnation Methods On The Quality Of Freeze-Dried Apple Slices, Guo Ziyu, Hu Jiaqi, Yang Feifei, Liu Wuyi, Wang Haiou
Food and Machinery
[Objective] This study aimed to investigate the effects of two pre-freezing methods (vacuum freezing and atmospheric pressure freezing) and two dipping methods (sucrose impregnation before pre-freezing and sucrose impregnation during freeze-drying) on the quality of freeze-dried apple slices. [Methods] The freeze-drying process was divided into six groups: vacuum pre-freezing without sucrose immersion (VFFD), atmospheric pre-freezing without sucrose immersion (CFFD), vacuum pre-freezing with sucrose immersion (BSVFFD), vacuum pre-freezing with sucrose immersion (MSVFFD), atmospheric pre-freezing with sucrose immersion (BSCFFD) and atmospheric pre-freezing with sucrose immersion (MSCFFD). The main quality indexes of freeze-dried apple slices in each group were analyzed. [Results] The color …
