Establishment Of Microbial Prediction System For Shelf Life Of Chilled Chicken,
2023
Insititue of Agro-Food Standard and Testing Technology, Shanghai Academy of AgricultureSciences, Shanghai 201403 , China
Establishment Of Microbial Prediction System For Shelf Life Of Chilled Chicken, Yang Qu, Chang-Yan Zhou, Yu-Juan Suo, Dong-Lai Zhang, Yi-Yi Han, Dong-Sheng Feng, Xiao-Jun Yang, Miao-Yun Li
Food and Machinery
Enterobacteriaceae, Brochothrix thermosphacta, and total viable counts (TVC) are the important parameters that affect the shelf life of chilled chicken. Discovering the correlation between the parameters and the accuracy of the shelf-life prediction is conducive to monitoring the storage of chilled chicken. To develop microbial prediction system for shelf life of chilled chicken, the bacterial counts were calculated to establish the growth model of these parameters using SGompertz model. Meanwhile, the Pearson correlation coefficient analysis was performed for the parameters and the accuracy of the shelf-life prediction. Then the prediction system was written by Visual Basic (VB) and verified with …
Effects Of Chitosan Composite Coating On The Quality Of Mantis Shrimp During Refrigerated Storage,
2023
Jinzhou Medical University, Jinzhou, Liaoning 121000 , China
Effects Of Chitosan Composite Coating On The Quality Of Mantis Shrimp During Refrigerated Storage, Yi-Han Qi, Ji-Xin Zhou, Yuan-Yuan Fan, Xiao-Wei Lan, Lei Sun, Zhen Zhang, Xue-Song Guo, Dan-Dan Li, Bao-Xian Chang
Food and Machinery
To investigate the preservation effect of chitosan composite coating on refrigerated mantis shrimps,taking the mantis shrimp as the subject, the chitosan, vitamin C, and corn starch as the coating materials, and the sensory evaluation, total colony (TVC), pH, volatile base nitrogen content (TVB-N), thiobarbituric acid (TBA) as the investigation index, the effects of chitosan-Vc-corn starch composite coating on mantis shrimps was studied. Results: the chitosan-VC-corn starch composite coating group was effectively delayed the increase of the TVC, pH value, TVB-N value and TBA value of mantis shrimp samples , and the effect was better than that of the control group …
The Effect Of Exogenous Meja On Postharvest Quality Of Jiefang Zhong Loquat Fruit,
2023
Department of Food and Biology Engineering, Zhangzhou Institute of Technology, Zhangzhou, Fujian 363000 , China ；The Applied Technical Engineering Center of Further Processing and Safety of AgriculturalProducts, Higher Education Institutions in Fujian Province, Zhangzhou, Fujian 363000 , China
The Effect Of Exogenous Meja On Postharvest Quality Of Jiefang Zhong Loquat Fruit, Jun-Feng Zheng, Jian-Hua Xie, Jie Pang
Food and Machinery
The fruit of Jiefang zhong loquat was fumigated with 10, 20, 50 μmol/L MeJA for 8 hours. The effects of MeJA treatment on the postharvest quality of loquat during (4±1) ℃ cold storage were studied by measuring the respiratory intensity, weight loss rate, ethylene release rate, decay rate and TSS, total sugar, VC and TA content. The results showed that 20 μmol/L MeJA fumigation inhibited the respiratory intensity, reduced the weight loss rate and ethylene release rate in the early stage, maintained the content of total sugar, VC and TA, TSS content in the late stage. Based on the concentration …
Research On A Rapid Detection Of Apple Defects Based On Mechanical Vision,
2023
College of Artificial Intelligence, Zhengzhou Railway Vocational & Technical College,Zhengzhou, Henan 451460 , China
Research On A Rapid Detection Of Apple Defects Based On Mechanical Vision, Hui Gao, Guo-Feng Ma, Wei-Jie Liu
Food and Machinery
In view of the current situation that most of apple sorting in China is still manually screened, a rapid detection method is proposed for apple defects based on machine vision. According to the number of defect candidate areas, the preliminary judgment of apples is completed, and the weighted correlation vector machine is used to further judge the defective apples. The effectiveness and accuracy of the proposed method are verified by experiments. The experimental results show that the recognition accuracy of this method for 1 000 test samples is 99.1%, and the detection accuracy of various defects is high.
Optimization Enzymatic Preparation Process And Antioxidant Activity Of Sheep Bone Polypeptide,
2023
Gansu Agricultural University, School of Food Science and Engineering, Lanzhou, Gansu 730070 ,China
Optimization Enzymatic Preparation Process And Antioxidant Activity Of Sheep Bone Polypeptide, Xiao-Ye Li, Zhen Zhang, Qiong Wang, Xue-Qi Wang
Food and Machinery
Herein, the enzymatic hydrolysis polypeptide solution with antioxidant activity was prepared by enzymatic hydrolysis with alkaline protease using sheep bone powder as raw material. Taking hydrolysis degree as index, response surface optimization was carried out on the basis of single factor tests of enzymolysis time, enzymolysis temperature, enzyme dosage and enzymolysis pH. Taking sheep bone meal solution which has not been hydrolyzed by alkaline protease as the control group, the antioxidant capacity of the hydrolysate was determined. The results showed that the highest degree of hydrolysis of alkaline protease was (28.36±0.02)% when the enzymolysis time was 5 h, the enzymolysis …
Optimization Of Ultrasonic-Assisted Extraction For Polyphenols From Perilla Leaves By Polyethylene Glycol And Its Antioxidant Activity,
2023
Department of Health and Agriculture, Hangzhou Wanxiang Polytechnic, Hangzhou, Zhejiang 310023 , China
Optimization Of Ultrasonic-Assisted Extraction For Polyphenols From Perilla Leaves By Polyethylene Glycol And Its Antioxidant Activity, Qiao-Mei Ru, Guo-Ping Ren, Qiong Hu
Food and Machinery
On the basis of single factor experiment, the concentration of polyethylene glycol, liquid/solid ratio, ultrasonic power and extraction time were optimized by Box-Behnken response surface analysis. Result: The results showed that the optimal extraction conditions were concentration of polyethylene glycol 68%, liquid/solid ratio 46∶1 (mL/g), ultrasonic power 157 W and extraction time 67 min. Under these conditions, the yield of polyphenols from perilla leaves reached 18.38 mg GAE/g·DW, while the predicted value was 18.21 mg GAE/g·DW, and the accuracy of the model reached 99.08%. Polyphenols from perilla leaves exhibited good antioxidant activity in a concentration-dependent manner. The IC50 of …
Moringa Oleifera Seed Water Extract Protects Alcohol-Induced Movement Disorder In Caenorhabditis Elegans,
2023
Changsha Commerce and Tourism College, Changsha, Hunan 410116 , China
Moringa Oleifera Seed Water Extract Protects Alcohol-Induced Movement Disorder In Caenorhabditis Elegans, Ying Peng
Food and Machinery
It was investigated the alleviating effect of water-extracts from Moringa oleifera seeds (MWE) on alcohol damage, and explored the effects of Moringa seeds on the physiological changes of drunk nematodes. Different concentrations of MWE were used to interfere with nematodes drunkenness. Its movement, tissue ethanol concentration, calcineurin and acetylcholinesterase activity were evaluated. The results showed that the intervention concentration of MWE was 10 mg/mL, and the movement trajectory, frequency of head swinging and swallowing frequency of the nematode were significantly improved, compared with the control group. However, no significant difference was found compared to the un-treated group. MWE reduced the …
Purification Of Polyfructose From Jerusalem Artichoke,
2023
Coarse Cereals Engineering Research Center, Heilongjiang Bayi Agricultural University,Daqing, Heilongjiang 163319 , China
Purification Of Polyfructose From Jerusalem Artichoke, Chao-Yang Li, Liang-Yu Li, Jing-Jing Diao, Li-Ping Zhang
Food and Machinery
In this study, the Jerusalem artichoke polyfructose was purified by the simulated mobile chromatography (SMC) and sequential simulated mobile bed (SSMB) according to the results of single column chromatographic system, which the parameters of the SMB and SSMB were investigated. Based on the results, the SSMB was the better technology and the optimized process parameters were as follows, feed concentration of 30%, ratio of material to solvent of 1.1∶1.0. Under these conditions, the concentration of the Jerusalem artichoke polyfructose was 17.9%, the purity was 96.9%, and the recovery was 95.8%, which was 17.7% higher than the material.
Optimization Of Ultrasound-Assisted Extraction Process Of Antimicrobial Peptides From The By-Products Of Mytilus Edulis,
2023
Donghai Science and Technology College, Zhejiang Ocean University, Zhoushan, Zhejiang 316000 , China
Optimization Of Ultrasound-Assisted Extraction Process Of Antimicrobial Peptides From The By-Products Of Mytilus Edulis, Yue Zhang, Yu-Xia Yang, Guang-Yu Shi, Xin-Zhi Zhao, Yuan-Bo Pan, Qiong-Yi Xu
Food and Machinery
The use of ultrasonic-assisted acetate extraction to improve the efficiency of the conventional acetate extraction technique with the aim of extracting antimicrobial peptides from Mytilus edulis by-product using acetate solution was investigated. Based on the single factor experiment, response surface methodology was used to optimize experimental conditions for extraction of antimicrobial peptides. The optimum extraction conditions for maximum antimicrobial peptide yield were established to be ultrasonic power of 200 W, acetate concentration of 0.8%, liquid-material ratio of 6∶1 (mL/g), and ultrasonic extraction time of 16 min. Under abovementioned conditions, the yield and the zone of inhibition against Staphylococcus aureus were …
Process Optimization Of Vacuum-Frying Combined With Vacuum-Microwave Drying In Producing Shiitake Mushroom Chips,
2023
College of Food and Biological Engineer, Hezhou University, Hezhou, Guangxi 542899 , China ；Guangxi Talent Highland of Preservation and Deep Processing Research in Fruit and Vegetables,Hezhou University, Hezhou, Guangxi 542899 , China ；Institute of Food Science and EngineeringTechnology, Hezhou University, Hezhou, Guangxi 542899 , China
Process Optimization Of Vacuum-Frying Combined With Vacuum-Microwave Drying In Producing Shiitake Mushroom Chips, Ai-Qing Ren, Shan Deng, Xiao-Xian Tang, Zheng-Hua Duan
Food and Machinery
Vacuum-frying combined with vacuum-microwave drying was used to dry shiitake mushroom chips, and the process parameters were optimized. The results showed that the critical factors selected for the investigation were fried at 80 ℃ for 18.6 min, with vacuum pressure 0.095 MPa, and then dried with microwave vacuum degree 0.095 MPa, microwave power density 2.0 W/g, and dehydration to moisture content of 5%. It was verified that the experimental oil content and breaking force of products under this condition were 15.18% and 710.35 g, which were close to the predicted values (15.09% and 704.91 g). Compared with vacuum-frying, the breaking …
Effect Of Drying Method On The Flavor Of Okra Flower Tea And Its Soup,
2023
Culinary College of Sichuan Tourism College, Chengdu, Sichuan 610100 , China
Effect Of Drying Method On The Flavor Of Okra Flower Tea And Its Soup, Er-Bu Na, Xing-Lian Lan, Gui-Wu Wang, Kai-Zheng Huang, Ma-Ju Li, Wei Ran, Song-Lin Xin
Food and Machinery
The volatile components of okra flower tea and its soup prepared using different drying methods were tested and analyzed by high throughput time of flight mass spectrometry (GC-TOF-MS), and the components of okra flower tea and its soup were determined. The results showed that 194 volatile compounds were identified in okra flower tea and its soup prepared by using the two drying methods. Among them, organic acids, sugars and amino acids were the main ones. The relative contents of sugars, organic acids, alcohols, amides, esters, sulfonic acids and glycosides in freeze-dried flower tea and its soup were higher than those …
Research Progress Of Heat Treatment In Paddy And Rice Storage And Processing,
2023
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128 , China
Research Progress Of Heat Treatment In Paddy And Rice Storage And Processing, Ping Zong, Yan Wang, Wei-Guo Wu, Jian-Hao Ren, Na Li, Tao Zhou
Food and Machinery
The heat treatment methods commonly used in the storage and processing of paddy and rice are introduced in this paper and the effects to insect pests, sterilization, enzymatic inactivation and quality are summarized.Meanwhile, the negative effects of heat treatment on rice quality and some countermeasures are proposed.
Research On Process Optimization And Quality Of Intermittent Microwave-Hot Air Coupling Drying Peanut,
2023
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023 , China
Research On Process Optimization And Quality Of Intermittent Microwave-Hot Air Coupling Drying Peanut, Zheng-Zheng Ling, Guang-Yue Ren, Xu Duan, Lin-Lin Li, Li-Ping Ma, Tie-You Dong, Xin-Lin Li
Food and Machinery
In order to explore the optimal process parameters of intermittent microwave-hot air coupled peanut drying, the optimal process parameters of peanut intermittent microwave-hot air coupled drying were determined using the response surface optimization analysis method. The comprehensive score of peanut drying rate and drying energy efficiency as response values. The optimal conditions were as followed: hot air temperature 45 ℃, microwave intensity 1.25 W/g, microwave intermittent ratio 1.10. Under these conditions, it was verified that the peanut intermittent microwave-hot air coupling drying rate was 0.517 g/min, the energy efficiency was 0.433 MJ/g, the comprehensive drying score was 0.710, and the …
Research Progress In Microwave-Assisted Extraction Of Polysaccharides,
2023
College of Chemistry and Pharmaceutical Engineering, Hebei University of Science andTechnology, Shijiazhuang, Hebei 050018 , China
Research Progress In Microwave-Assisted Extraction Of Polysaccharides, Yong-Shuai Jing, Li-Cong Sun, Wen-Jing Cheng, Dong-Bo Liu, Lan Li, Dan-Shen Zhang, Lan-Fang Wu
Food and Machinery
This study reviewed the principle and method of microwave-assisted extraction of polysaccharides and the combined applications of microwave-assisted extraction with ultrasonic method, enzyme method, ultrasonic synergistic enzyme method and acid-based solution method, and the related extraction research and application of polysaccharides were prospected.
Breeding Of Yarrowia Lipolytica With High Lipase Production By Atmospheric Room Temperature Plasma Mutagenesis,
2023
College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu 215000 , China ；College of Biological Engineering, Changshu Institute of Technology, Changshu, Jiangsu 215500 , China
Breeding Of Yarrowia Lipolytica With High Lipase Production By Atmospheric Room Temperature Plasma Mutagenesis, Ya-Mei Ji, Li-Mei Wang, Bin Qi
Food and Machinery
A lipase-producing Yarrowia lipolytica strain YL1 was mutagenized by atmospheric room temperature plasma. Tributyrin plate method, p-NPP method and acid-base titration method were used to screen out the target strain C4 with high lipase production, and then its genetic stability was studied. The results showed that the optimal mutagenesis time of Y. lipolytica strain YL1 was 60 s, and the lethality rate of the strain reached 97.45%. The lipase activity of the mutant strain C4 was 13.4 U/mL, which was 82.6% higher than the original strain, and it was genetically stable after multiple generations of culture. Compared with the …
Effect Of Different Milling Methods On The Powder Properties Of Wheat Flour,
2023
Henan University of Technology, College of Food Science and Technology, Zhengzhou, Henan 450001 , China
Effect Of Different Milling Methods On The Powder Properties Of Wheat Flour, Si-Yu Ma, Xiao-Ling Tian, Xiao-Xi Wang, Wen-Ya Cai
Food and Machinery
The grains of Yangmai 20 and Xinmai 26 were used as raw materials in this study. The wheat flour with different particle sizes were milled by the Impact mill, the Hammer mill, and the Universal pulverizer. The basic physical and chemical indexes such as moisture and ash content were measured. The flowability parameters were obtained by laser particle analyzer and powder property testing instrument, and the flowability of wheat flour was analyzed by the Carr index method. The results showed that among the three milling methods, the wheat flour milled by the Impact mill had the best flowability, while no …
Study On Physicochemical Properties And Pyrolysis Properties Of Heated Non Combustion Tobacco Sheet,
2023
China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei 430040 , China
Study On Physicochemical Properties And Pyrolysis Properties Of Heated Non Combustion Tobacco Sheet, Xi Pan, Xu-Yan Song, Min Wei, Ran Li, Ai-Jun Dong, Jun-Jian An, Lei Wang
Food and Machinery
In order to evaluate the safety of heat-not-burn tobacco sheets during suction and establish the theoretical basis for adding flavors and fragrances in the process of heat-non-burn cigarettes, the mainstream heating-not-burn tobacco samples from domestic and foreign markets were comprehensively analyzed from physical and chemical indicators, thermogravimetric analysis and pyrolysis analysis. The results showed that: the content of hot water extract was 49.98%~66.59%, which difference was not remarkable. And the content of total sugar was 6.62%~28.93%, the content of reducing sugar was 4.79%~22.30%, the content of total alkaloid was 0.14%~1.13%, the content of total nitrogen was 0.31%~2.50%, and the content …
Monitoring And Analysis On Microbes In Edible Areca Processing,
2023
Hunan Review and Accreditation Centre of Food Safety, Changsha, Hunan 410013 , China
Monitoring And Analysis On Microbes In Edible Areca Processing, Wen-Xiang Li, Feng Li, Song-Hang Zhou, Xiao Yuan, Xiong-Wei Huang, Bu-Cheng Xu, Juan Luo
Food and Machinery
To investigate the sanitary conditions of edible areca processing, improve the quality and safety of products, using spot investigation and lab test method, monitor the sanitary conditions of products and the processing environment in edible areca enterprise. The monitoring data will help the revision of detailed rules for the review of areca production licenses. The result shows, areca nuts storage condition improving and enhance the disinfection of production tools and workers, will effetely control the microbial contamination in production process, ensure the quality of products.
Optimized Model Of Dual-Chain Storage Of Food Supply Chain Data Based On Blockchain,
2023
School of E-commerce and Logistics, Beijing Technology and Business University, Beijing 100048 ,China ；Agricultural Engineering Quality Safety Traceability Technology and Application NationalEngineering Laboratory, Beijing 100048 , China
Optimized Model Of Dual-Chain Storage Of Food Supply Chain Data Based On Blockchain, Sheng-Qiao Gao, Xin-Liang Liu, Yan-Ping Gao
Food and Machinery
The emergence of blockchain provides a solution of decentralized integration of resources and elimination of information asymmetry for food supply chain, but most of the current solutions are facing performance and storage bottlenecks. In response to this problem, this paper proposes a dual-chain storage optimized model for food supply chain data based on blockchain. The model builds a double-chain structure of the main chain and the digest chain. Nodes can choose the appropriate storage mode according to their needs, which alleviates the problem of block storage expansion. By adopting the improved Delegated Proof of Stake and Byzantine fault tolerance consensus …
The Improvement Of Administrative Penalty Power Under The Framework Of New Food Safety Law Implementation Regulations,
2023
Xuzhou Institute of Technology, Xuzhou, Fujian 221000 , China
The Improvement Of Administrative Penalty Power Under The Framework Of New Food Safety Law Implementation Regulations, Qi Xu
Food and Machinery
The strict legal responsibility and administrative punishment standards specified and set in the new regulations for the implementation of the food safety law are major achievements of the rule of law in implementing the food safety law. At present, the main problems faced by the implementation of the regulations are that the boundary of "punishment to people" is not clear and the application of "excessive punishment is equivalent" is not coordinated. In order to realize "good law and good governance", it is necessary to further standardize the exercise procedure of administrative penalty power and clarify the applicable standards of administrative …
