Subchronic Toxicity Study Of Acesulfame In Rats,
2023
Anhui Provincial Center for Disease Control and Prevention, Heifei, Anhui 230601, China
Subchronic Toxicity Study Of Acesulfame In Rats, Zheng Siyu, Teng Jingjing, Yang Tongjin, Wang Yan, Xia Xin, Bao Junhui
Food and Machinery
Objective： This study aimed to study the subchronic toxicity of acesulfame as a food additive and obtain the dosage of harmful effects not observed orally for 90 d. Methods： According to GB 15193.13—2015, eighty 4-week-old specific pathogen-free （SPF） healthy detached Sprague Dawley （SD） rats （half male and half female） were randomly divided into 4 groups. Rats were administered 4 500, 1 500, 500 and 0.0 mg/kg BW. acesulfame by gavage for 90 consecutive days, respectively. At the end of the experiment, samples of blood were collected for blood routine and biochemical analysis, and some organs were removed for histopathological examinations. …
The Changes Of Flavor Substances Of Sweet And Sour Crispy Fish During The Deep-Frying Process,
2023
Sichuan Tourism University, Chengdu, Sichuan 610100, China
The Changes Of Flavor Substances Of Sweet And Sour Crispy Fish During The Deep-Frying Process, Fan Haiying, Yang Can, Qiao Mingfeng, Chen Lilan, Cai Xuemei, Yi Yuwen, Wang Wei
Food and Machinery
Objective: This study aimed to provide the theoretical foundation for the industrialization production of sweet and sour crispy fish. Methods: The changes of aroma and taste compounds were assessed by using the electronic-nose, electronic-tongue, GC-IMS, and automatic amino acid analyzer, along with the principal component analysis, clustering analysis and correlational analysis. Results: The results showed that the aroma response intensity increased and then decreased, and the taste response intensity increased during the deep-frying process. According to the GC-IMS analysis, a total of 46 aroma compounds were detected, including 7 aldehydes, 5 ketones, 10 alcohols, 9 esters, 4 olefins, 7 heterocyclic …
The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus,
2023
Ningbo Product and Food Quality Inspection and Research Institute, Ningbo, Zhejiang 315000, China
The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus, Lu Jianghui, Chen Yuewen, Fu Jingjing, Long Yongjie
Food and Machinery
Objective: This study aimed to solve the problems of low freshness, heavy bitterness, and poor flavor of protein peptides hydrolyzed by enzymes of Harpodon nehereus （HN）. Methods: Ultrasound assisted enzymatic hydrolysis method was used to prepare the HN protein peptides. Papain was selected as the catalyst to study the changes in particle size, hydrolysis degree, soluble peptide content, relative molecular mass distribution, free amino acid content, and electronic tongue flavor signal of the HN protein peptides under different ultrasound power （0, 120, 240, 480, 600 W）. The effect of different ultrasound intensities on the structure and flavor of HN protein …
Design And Application Of Portable Intelligent Rice Freshness Detection System,
2023
School of Food and Biological Engineering and Jiangsu University, Zhenjiang, Jiangsu 212013, China
Design And Application Of Portable Intelligent Rice Freshness Detection System, Shao Xiaokang, Lin Hao, Wang Zhuo, Li Yibing, Chen Quansheng
Food and Machinery
Objective: To realize rapid nondestructive testing of rice freshness. Methods: A portable device system based on nano color-sensitive sensors combined with near-infrared spectroscopy was developed. The spectral data of the corresponding color-sensitive sensors were collected for the identification of multi-gradient rice adulteration and the prediction of freshness across batches of rice. Results: Using Si-CARS-PLS to extract spectral characteristic variables, the recognition rate of discriminative model was the highest after modeling by LDA algorithm, and the recognition rate of training set and prediction set were 97.22% and 95.83%, respectively. At the same time, PLSR model predicted that cross-batch data had stronger …
An Automatic High Throughput Colony Counter Based On Unet++ Segmentation Model,
2023
Guizhou Academy of Testing and Analysis, Guiyang, Guizhou 550014, China
An Automatic High Throughput Colony Counter Based On Unet++ Segmentation Model, Shen Ying, Xie Feng, Wang Yulin, Tan Bo, Fan Jinxu
Food and Machinery
Objective: To improve the detection efficiency of the aerobic plate counter, to meet the requirements of quality management system of the inspection and testing institutions and the application of laboratory LIMS system. Methods: It was used to continuously collected of colonies image through the GigE industrial camera, variable lens and multiple light sources combined lighting system, at the same time the Unet++ segmentation model was used for image recognition processing and colony counting. Results: The colony counter had the characteristics of high collection efficiency, it only took 38 s to complete the image acquisition of one plate. It only took …
Determination Of Lactose In Milk By High Performance Liquid Chromatography-Evaporative Light Scattering Detector With Rcm-Monosaccharide Ca2+ Column,
2023
College of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
Determination Of Lactose In Milk By High Performance Liquid Chromatography-Evaporative Light Scattering Detector With Rcm-Monosaccharide Ca2+ Column, Zhu Xiaopeng, Fu Shangchen, Hao Guo, Niu Pengfei, Liu Yongfeng
Food and Machinery
Objective: To achieve rapid detection of lactose content in milk, a new method for the determination of lactose in milk based on RCM-monosaccharide Ca2+ column and high-performance liquid chromatography has been established. Methods: Milk was precipitated with protein in a 0.2 g/mL trichloroacetic acid solution, and the resulting filtrate was diluted 100 times and filtered with a membrane before entering a high-performance liquid chromatography system. It was separated by an RCM-monosaccharide Ca2+ column and detected by an evaporative light scattering detector. Results: The results showed that lactose had a good correlation between peak area and concentration in the …
Determination Of 27 Antiparasitic Drug Residues In Penaeus Vannamei By Liquid Chromatography-Tandem Mass Spectrometry Simultaneously,
2023
Tangshan Food and Drug Comprehensive Testing Center, Tangshan, Hebei 063000, China;Key Laboratory of Quality Evaluation and Nutrition Health of Agro-Products, Ministry of Agriculture and Rural Affairs, Tangshan, Hebei 063000, China
Determination Of 27 Antiparasitic Drug Residues In Penaeus Vannamei By Liquid Chromatography-Tandem Mass Spectrometry Simultaneously, Zhang Lifang, Ma Ruixin, Zheng Baiqin, Song Wang, Zhou Xin
Food and Machinery
Objective: An ultra-high performance liquid chromatography-tandem mass spectrometry method was established for the simultaneous determination of 27 antiparasitic drug residues in Litopenaeus vannamei. Methods: The solution was used to extract antiparasitic drugs in the samples of L. vannamei. The supernatant after centrifugation was purified by C18 and neutral alumina powder. The sample solution was analyzed by ultra-high performance liquid chromatography-tandem mass spectrometry and applied to the instrument workstation to perform data analysis. A Thermo Hypersil Gold aQ column was used as the separation column, and 0.1% formic acid acetonitrile and 10 mmol/L ammonium formate solution （containing 0.1% formic …
Rapid Detection Of Moisture Content Of Pineapple Based On Near Infrared Spectroscopy And Ssa-Relm,
2023
Zhengzhou Vocational College of Finance and Taxation, Zhengzhou, Henan 450000, China
Rapid Detection Of Moisture Content Of Pineapple Based On Near Infrared Spectroscopy And Ssa-Relm, Zhao Yanli, Zhao Qian, Li Zhiqiang
Food and Machinery
Objective: A method for a fast and non-destructive detection of pineapple moisture content was established. Methods: A novel detection model of pineapple moisture content was proposed based on continuous projection feature wavelength selection and Sparrow search algorithm. Firstly, according to the characteristic of pineapple NIR data with high dimension and redundant information, the results of feature wavelength selection such as successive projections algorithm, principal component analysis and full-band were compared, the selection method of characteristic wavelength of pineapple near infrared spectrum was determined. Secondly, considering that the performance of RELM model was affected by the selection of input layer weight …
Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area,
2023
Shenzhen Institute of Information Technology, Shenzhen, Guangdong 518100, China
Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area, Zhang Yiming
Food and Machinery
At present, the integration construction of the Guangdong Hong Kong Macao Greater Bay Area is deepening. Among them, the port customs integration model in food supervision in the Guangdong Hong Kong Macao Greater Bay Area has problems such as inconsistent regulatory standards, cumbersome customs clearance procedures, and information asymmetry, which have led to increasingly prominent issues of low food supervision efficiency. In this regard, effective innovation in the integration model of port clearance can be promoted by unifying the food safety supervision standards of Guangdong, Hong Kong, and Macao, constructing an integrated port clearance procedure mechanism, and strengthening information sharing …
Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee,
2023
Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality Safety for State Market Regulation, Haikou, Hainan 570100, China
Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee, Gao Yunkai, Chen Xiaomei, Chen Chunqian, Zhou Lingyu, Deng Yinglin, Yin Qingchun
Food and Machinery
Objective： A new method was developed for the simultaneous determination of three kinds of ochratoxins in coffee by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) combined with QuEChERS pretreatment. Methods： Samples were extracted by acetonitri-water-formic acid solution (55∶40∶5) with ultrasonic, salted out with a QuEChERS salt pocket, and then purified with a (ZanChERS-Myco17) column. The chromatographic separation was performed on an ACQUITY UPLC BEH C18 (1.7 μm, 2.1 mm×100 mm) column by gradient elution using a mobile phase comprising 0.2% formic acid aqueous solution and acetonitrile. In the positive ion mode of electric spray, the samples detected were used …
Strawberry Impact Collision Injury Analysis Based On Display Dynamics Simulation,
2023
School of Mechanical Engineering and Automation, Dalian Polytechnic University, Dalian, Liaoning 116034, China
Strawberry Impact Collision Injury Analysis Based On Display Dynamics Simulation, Zhang Zhenjiang, Shi Jingxu, Guo Wushen, Wen Baogang, Zhang Xu
Food and Machinery
Objective: Aiming at the problem that strawberry quality was easy to be damaged under impact in processing process. Methods: The relationship among impact energy loss, internal stress and impact damage of strawberry during impact was studied by display dynamics simulation method. The impact of impact parameters on damage degree and sensitivity was analyzed by response surface method. Results: When the strawberry collides with the steel plate at 23 ms, the ratio of strawberry damage volume reached the maximum (7.83%), and at the same time, the impact energy loss (95.60 mJ) and internal stress (0.238 4 MPa) both reached their maximum …
Experiments On Sheep Carcass Cutting With Ultrahigh Pressure Pure Water Jet,
2023
Hefei General Machinery Research Institute Co., Ltd., Hefei, Anhui 230031, China
Experiments On Sheep Carcass Cutting With Ultrahigh Pressure Pure Water Jet, Qu Yudong, Wei Zhichao, Zhang Di, Su Jixin, Chen Zhengwen, Li Xin
Food and Machinery
Objective: To reduce loss of lamb meat during mechanical cutting. Methods: Using a gantry-type ultra-high-pressure pure water jet cutting platform, different parameters were selected for testing according to different parts of the lamb carcass. Compared the cutting effects, identified the appropriate cutting parameters, and analyzed the cutting losses. Results: The experiments were conducted on several aspects such as room temperature lamb, frozen lamb, lamb chops, lamb spine, lamb legs, lamb neck, and bone removal for meat extraction. The effects of different parts of the lamb carcass and different experimental parameters on the cutting effect were clarified. Conclusion: The adaptability of …
The Design Of Fuzzy Control System For Food Freezing Temperature Control,
2023
Zhongshan Technician College, Zhongshan, Guangdong 528400, China
The Design Of Fuzzy Control System For Food Freezing Temperature Control, Liu Xiangyong, Gao Xuefei, Dong Qiang, Li Qiong
Food and Machinery
Objective: Improving the setting value adjustment ability of the speed control loop and temperature control loop of food entering the freezing tunnel. Methods: By treating the speed and temperature control circuits of the conveyor belt separately, a fuzzy control system for food freezing temperature control was designed. The control system included a proportional-integral-differential controller for the food conveyor roller speed, a proportional-integral controller for temperature regulation in the freezing tunnel, and a Takagi-Sugeno fuzzy controller to set the temperature set point of the temperature regulation proportional-integral controller. Results: When the mass flow rate of frozen food was increased from 650 …
Food Packaging Defect Detection By Improved Network Model Of Faster R-Cnn,
2023
School of Mechanical Engineering, Hubei University of Technology, Wuhan, Hubei 430068, China
Food Packaging Defect Detection By Improved Network Model Of Faster R-Cnn, Xia Junyong, Wang Kangyu, Zhou Hongdi
Food and Machinery
Objective: Accurate identification and location of paper packaging box defects. Methods: The improved network model of Faster R-CNN was applied to automatically detect box defects. The data of the training set picture was enhanced and noise was added to improve the training accuracy and robustness of the model. The feature extraction network was replaced with ResNet50, and the feature pyramid network （FPN） was fused to improve the multi-scale detection ability of the model. K-means++ was used to cluster the defect scale in the dataset and optimize the anchor box scheme. Results: The average accuracy （AP） of the improved Faster R-CNN …
The Application Of Illustration In The Packaging Design Of New Tea Drinks,
2023
Academy of Arts & Design, Weifang University, Weifang, Shandong 261061, China
The Application Of Illustration In The Packaging Design Of New Tea Drinks, Wang Rui, Wang Hongwei
Food and Machinery
In recent years, China's new-style tea industry has shown a booming development, and the new-style tea market has become an arena for a new round of capital competition. In the context of the influx of new brands, how to shape their brand personalization has become critical. From the perspective of brand building, this paper takes the leading tea brands on the market as analysis cases, studies the application of illustration design in new tea packaging and its commercial added value, and discusses the application of illustration in new tea packaging.
Browning Mechanism Of Indigo Juice During Processing Prevention And Control Technology,
2023
Key Laboratory of Cereal Food and Cereal Resources in Heilongjiang Province, Harbin, Heilongjiang 150028, China;School of Food Engineering, Harbin University of Commerce, Harbin, Heilongjiang 150028, China
Browning Mechanism Of Indigo Juice During Processing Prevention And Control Technology, Ma Yongqiang, Li Dan, Yang Chenxi, Xue Qingzhuo, Han Chunran
Food and Machinery
Objective: Indigo fruit juice is prone to browning during processing. Methods: A kinetic model was fitted by determining the changes in browning degree, vitamin C （VC） content, and 5-hydroxymethylfurfural （5-HMF） content of indigo fruit juice during the sterilization process. Results: The optimal conditions were obtained by single factor and response surface optimization test, and the changes of microbiological, physicochemical and sensory indexes of the optimized indigo juice were measured during storage at 4, 25 and 37 ℃ for 30 days. The results showed that the changes in Browning degree, VC and 5-HMF content were consistent with the …
Effects Of Static Magnetic Field-Assisted Preservation On The Quality Of Blueberry,
2023
INDUC Scientific Co., Ltd., Wuxi, Jiangsu 214035, China
Effects Of Static Magnetic Field-Assisted Preservation On The Quality Of Blueberry, Zhou Yuyi, Yang Na, Meng Man, Wei Jian, Xu Xueming
Food and Machinery
Objective: This study aimed to explore a new method to improve the blueberry quality during the preservation. Methods: Blueberries were stored at 4 ℃ for 7 days in 0, 3, 6 and 10 mT static magnetic fields respectively. Meanwhile, the apparent morphology, weight loss rate, decay rate, content of anthocyanidin and total phenol cell membrane permeability, superoxide dismutase activity and content of malondialdehyde of blueberries were analyzed. Results: The physicochemical properties of blueberries improved significantly with the increase of magnetic-field strength. Compared with the control, most of the blueberries treated by 10 mT static magnetic field remained plump during the …
Effects Of Thawing Methods On Physicochemical Properties Of Microwave-Dried Beetroots,
2023
School of Food and Bioengineering, Hezhou University, Hezhou, Guangxi 542899, China;Guangxi Key Laboratory of Health Care Food Science and Technology, Hezhou, Guangxi 542899, China;Research Institute of Food Science and Engineering Technology, Hezhou University, Hezhou, Guangxi 542899, China
Effects Of Thawing Methods On Physicochemical Properties Of Microwave-Dried Beetroots, Liu Yan, Tang Xiaoxian, Gao Dan, Duan Zhenhua, Ren Aiqing
Food and Machinery
Objective: This study aimed to explore the best thawing method for beetroots in freeze-thaw pretreatment. Methods: The frozen beetroots were thawed using different thawing methods （room temperature thawing, running water thawing, refrigeration thawing, microwave thawing, and ultrasonic thawing）, and then the thawed beetroots were subjected to microwave drying. The effects of different thawing methods on the microwave drying time, rehydration ratio, color, betalains content, total phenolic content, and total flavonoids content of microwave-dried beetroots were evaluated. Results: The results showed that refrigeration thawing required the longest thawing time, but the thawing loss rate was the smallest and the rehydration ratio …
Effects Of Ozone Sterilization Edible Combined With Coatings Chitosan On The Preservation Of Chilled Yellow Cattle,
2023
Fu Yang Institutes for Food and Drug Control, Fuyang, Anhui 236000, China
Effects Of Ozone Sterilization Edible Combined With Coatings Chitosan On The Preservation Of Chilled Yellow Cattle, Xuan Wei, Li Tie, Xue Xijia, Yi Shumin
Food and Machinery
Objective： This study aimed to study the preservation effect of ozone water sterilization combined with chitosan coating on cold fresh yellow cattle. Methods： Three groups were set up as follows: control group A (pure water treatment), experimental group B used 2% chitosan coating on cold fresh yellow cattle, and experimental group C used ozone water sterilization combined with 2% chitosan coating on cold fresh yellow cattle. The effect of ozone sterilization combined with chitosan coating on the preservation of cold fresh yellow cattle was examined using sensory score, chromaticity (L* and a* values), hanging loss rate, TVB-N …
Effect Of Farming Region And Commercial Size On Nutrition And Flavor Quality Of Turbot （Scophthalmus Maximus）,
2023
College of Food Sciences and Technology, Shanghai Ocean University, Shanghai 201306, China;East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
Effect Of Farming Region And Commercial Size On Nutrition And Flavor Quality Of Turbot （Scophthalmus Maximus）, Zhuang Xiaomei, Guo Quanyou, Zheng Yao, Wei Banghong, Yang Xu
Food and Machinery
Objective: Investigating the effects of farming region and commercial size on the nutrition and flavor quality of Scophthalmus maximus. Methods: Farming turbot of three regions, namely, Rushan, Haiyang and Suizhong, and two typical commercially available sizes, 450～750 and 750～1 250 g, were selected for this study to compare their nutrient composition and flavor substances. Used principal component analysis and orthogonal partial least squares discriminant analysis to visualize the differences between different groups and to identify the nutritional indicators in differentiate farming region and commercial size. Results: The protein and collagen content of turbot in the Rushan and Haiyang regions …
