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 …
Establishment And Improvement Of Safety Supervision Mechanism Of Online Take-Out Food,
2023
Liaoning University of International Business and Economics, Dalian, Liaoning 116052 , China
Establishment And Improvement Of Safety Supervision Mechanism Of Online Take-Out Food, Yong-Gang Wang
Food and Machinery
This paper analyzes the current situation and types of supervision mechanism of online takeout food safety, analyzes the reasons of the problems existing in the mechanism, and perfects the feasibility of China's online takeout food safety supervision mechanism.。
Research On The Application Of Digital Signature Technology In The Traceability Of Food Origin,
2023
Hunan Vocational Institute of Safety Technology, Changsha, Hunan 410151 , China
Research On The Application Of Digital Signature Technology In The Traceability Of Food Origin, Chun Liu, Zhu-Hong Liu
Food and Machinery
Through the introduction of digital signature technology, the specific and different application scenarios of various digital signature technologies were introduced. The basic principles and methods of food origin traceability were also discussed. The application of various digital signature techniques in food origin traceability was investigated, and the accuracy of food origin traceability cases based on different digital signature techniques was compared and studied. The development trend of digital signature technology in the field of food origin traceability was prospected.
Experimental Investigation Of Dehumidification Characteristics Of Closed Drying System With Heat Pump,
2023
Guangdong Industry Polytechnic, Guangzhou, Guangdong 510300 , China
Experimental Investigation Of Dehumidification Characteristics Of Closed Drying System With Heat Pump, Wen-Liang Zeng, Bo-Ling Chen, Xuan Chen, Xue-Fei Jie
Food and Machinery
It was studied the performance characteristics such as specific moisture extraction rate (SMER) of closed heat pump drying system with the condition of different air mass-flow-rate, relative humidity and with or without heat pipe. The results showed that the effects of heat pipe on SMER of closed heat pump drying system were very significant, and the application of heat pipe could enhance the system SMER by 20%~200% under test conditions. Under the condition of the constant temperature and constant relative humidity, the SMER of the system had a maximum value while the air mass-flow-rate was between 0.2~0.4 kg/s. With constant …
Identification Of Fig Maturity Based On Near-Infrared Spectroscopy And Partial Least Square-Discriminant Analysis,
2023
Qilu University of Technology, Shandong Academy of Science, College of Food Science andEngineering, Jinan, Shandong 250300 , China
Identification Of Fig Maturity Based On Near-Infrared Spectroscopy And Partial Least Square-Discriminant Analysis, Jing-Yu Zhou, Rui Sun, Duo Yu, Yu-Xuan Lv, Yan-Ling Han
Food and Machinery
In order to distinguish figs of different maturity accurately and quickly without damage, the samples of figs were collected by near-infrared spectroscopy, and K-means clustering was carried out for five indexes of fig sugar degree, single fruit weight, vertical diameter, horizontal diameter and hardness. According to the spectral data and the score chart of principal component analysis, the components of the optimal clustering effect and the index distribution of each category were determined. Based on the PLS-DA model, the cluster discrimination model was constructed to achieve the purpose of fruit maturity classification. Through the analysis of the differences of the …
Study On Antioxidant Effect Of Flavonoids From Artemisia Argyi And Its Application In Preservation Of Fresh Grade Breast,
2023
College of Tea and Food Science, Wuyi University, Wuyishan, Fujian 354300 , China
Study On Antioxidant Effect Of Flavonoids From Artemisia Argyi And Its Application In Preservation Of Fresh Grade Breast, Yu-Hua Yang, Yan Huang, Wei-Peng Zheng
Food and Machinery
In this paper, the total reducing power, O ·, ·OH and DPPH· scavenging capacity of the flavonoids from Artemisia argyi were studied by ultrasonic assisted extraction and macroporous resin purification. The changes of pH values, TBARS, TVB-N, redness value, hydrogen sulfide and other physical and chemical indexes of fresh grade breast and its effects on sensory quality were investigated .The results showed that the purified flavonoids from Artemisia argyi had a strong total reduction power and a good linear relationship, with the good scavenging ability for O ·, ·OH, and DPPH·, and the scavenging ability has a certain dose-effect relationship …
Antimicrobial Activity Of Chrysanthemum Buds Aqueous Extract On Escherichia Coli And Its Application,
2023
College of Food and Biological Engineering, Henan University of Science and Technology,Luoyang, Henan 471023 , China
Antimicrobial Activity Of Chrysanthemum Buds Aqueous Extract On Escherichia Coli And Its Application, Peng Fei, Min Xing, Chao-Qin Jiao, Bao-Xin Yang, Xin-Ying Hu, An-Ran Shao, Lin Lu, Huai-Bin Kang, Ling Guo
Food and Machinery
The purpose of this study was to evaluate the antimicrobial activity of Chrysanthemum buds aqueous extract (CBAE) on Escherichia coli, and discuss its application in meat products. The antimicrobial activity of CBAE against E. coli was evaluated by the determination of diameter of the inhibition zone (DIZ), minimum inhibitory concentration (MIC), and minimum bactericidal concentration (MBC). The possible action mechanism was revealed by the effect of CBAE on the growth curve, and the changes in intracellular ATP concentration, cell membrane potential, and cell morphology. Finally, the CBAE was used in the preservation of cooked pork. The results showed that the …
Effects Of Irradiated Proces On Hypoglycemic Activity Of Inonotus Obliquus Polysaccharide,
2023
Convergence College of Yanbian University, Yanji, Jilin 133000 , China
Effects Of Irradiated Proces On Hypoglycemic Activity Of Inonotus Obliquus Polysaccharide, Lu Zhang, Xin Jiang, Li-Ying Jin, Chang-Qing Lin, Cheng-Bi Cui
Food and Machinery
The effect of 60Co-γ ray irradiation on hypoglycemic activity of polysaccharides from Inonotus obliquus was explored. The polysaccharides of Inonotus obliquus under the irradiation doses of 5, 10, 20 and 30 kGy were extracted and their contents were determined. The experiment was performed on a mouse model of type I diabetes induced by streptozotocin (STZ) according to the grouping dose. The body weight, food intake and water intake of the mice were measured every day during the experiment, blood glucose levels were measured every 7 days, and glucose tolerance test (OGTT) was performed 30 days later. Blood samples were …
Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity,
2023
College of Biological and Chemical Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000 , China
Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity, Ming-Wei Chen, Ming Wei, Liang-Fan Tao, Sen-He Qian
Food and Machinery
In this study, the ideal adsorbent for Dendrobium hu-oshanense polyphenols were obtained, after the comparison test for the adsorption-desorption properties of different types of resins. The purification parameters were optimized by adsorption and desorption tests. The antioxidant activities of polyphenols were evaluated in vitro. The results showed that AB-8 macroporous resin was considered as suitable material for purifying and separating Dendrobium huoshanense polyphenols.And the macroporous resin reached equilibrium within 150 min. The optimal processing parameters were as follows: an initial polyphenol concentration of 2.0 mg/mL, pH 4.0, a flow rate of 1.0 mL/min for feeding and a flow rate of …
Effect Of Extraction Method On The Functional Characteristics Of Leaf Protein From Green Leaves Ramie,
2023
College of Biomass Science and Engineering, Sichuan University, Chengdu, Sichuan 610065 , China
Effect Of Extraction Method On The Functional Characteristics Of Leaf Protein From Green Leaves Ramie, Shi-Qi Zhi, Man-Sheng Wang, Feng-Ling Ye, Long Chen, Xiao-Ting Zhang, Hao-Nan Qiu, Qiang He, Xia-Yu Xiong, Yi Dong
Food and Machinery
In this paper, 3 kinds of methods such as ultrasonic assisted alkali solution extraction, salt solution extraction and water extraction, were used to extract the green leaf ramie protein, and the protein was also analyzed on the protein concentration, nitrogen solubility index, foaming property, foaming stability, emulsifying property and emulsifying stability. Results: The protein extracted with ultrasonic assisted salt solution exhibited the highest protein concentration (10.73 mg/mL) and nitrogen dissolution index (61.95%). Additionally, the foaming property (26.34%) and foam stability (24.49%) of the protein extracted by this method were significantly better than the other two extraction methods. The protein extracted …
Separation And Purification Of Polysaccharides From Liquid Fermentation Product By Cordyceps Tenuipes,
2023
College of Basic Medicine, Guizhou University of Traditional Chinese Medicine, Guizhou,Guiyang 550025 , China ；Center for Mycomedicine Research, Guizhou University ofTraditional Chinese Medicine, Guizhou, Guiyang 550025 , China
Separation And Purification Of Polysaccharides From Liquid Fermentation Product By Cordyceps Tenuipes, Xiao-Ai Wang, Jian-Dong Liang, Xiao-Jiao Gao, Yuan-Jun Cai, Yu-Meng Qin, Wei-Yi Tian
Food and Machinery
Using Box-Behnken central combination test design and single factor test were used to optimize the fermentation process of cordyceps polysaccharide, water extraction and alcohol precipitation process and deproteinization process. The results showed that the optimum fermentation conditions of Cordyceps tenuipes were glucose 33.3 g/L, peptone 29.2 g/L, inoculation amount 3.9%. The optimum extraction conditions of Exopolysaccharides were concentration, 3 times ethanol, pH 6.0 and precipitation for 24 h. The optimum extraction conditions were 1∶40 (g/mL), extraction time 90 min, extraction times 2 times, and extraction temperature 80 ℃. In the purification of polysaccharides, the optimum deproteinization techniques of Sevage were …
Evaluation Of The Brewing Effect Of Ultrafine Green Tea Powder By Simulated In Vitro Digestion,
2023
College of Food Science, Southwest University, Chongqing 400715 , China
Evaluation Of The Brewing Effect Of Ultrafine Green Tea Powder By Simulated In Vitro Digestion, Yao Zhou, Hua-Rong Tong
Food and Machinery
The release of various substances before and after in vitro di-gestion of ultrafine green tea powder was measured.The results showed that the release of free amino acids, total phenols, total flavones and most catechins declined during the in vitro digestion of ultrafine green tea powder; caffeine remained un-changed; The release of soluble protein, gallic acid, catechin gallate, gal-locatechin, gallocatechin gallate, and isoquercetin increased. The non-extractable polyphenols were released. Brewing and drinking ultrafine green tea powder are beneficial to improve the comprehensive utilization of tea by the human body.
