Studies On Gelatinization Properties Of Extruded Rice With Coarse Grains,
2020
Hunan Agricultural University, Changsha, Hunan 410128 , China
Studies On Gelatinization Properties Of Extruded Rice With Coarse Grains, Li Zhao-Zhao, Wu Wei-Guo, Liao Ru-Yan, He Biao
Food and Machinery
In this study, extruded reconstituted rice was prepared by using extrusion processing technology, using aging early indica rice flour as the main raw material, with coarse grains such as buckwheat, barley, quinoa, chickpea, oat bran . The RVA rapid viscosity analyzer was used as the research Means to explore the effects of different coarse grains, and their different additions (0%, 5%, 10%, 15%, 20%, 25%) on the gelatinization characteristics of recombinant rice. The results showed that when the amount of oat bran added was greater than 15%, the oat bran and quinoa and barley could significantly increase the peak viscosity …
Study On The Preparation Of Tetracyline Magnetic Molecularly Imprinted Biochar Microspheres Based On Pickering Emulsion Polymerization,
2020
College of Food Science and Engineering, Qilu University of Technology 〔Shandong Academy of Sciences〕, Jinan, Shandong 250353 , China
Study On The Preparation Of Tetracyline Magnetic Molecularly Imprinted Biochar Microspheres Based On Pickering Emulsion Polymerization, Ma Zhen-Zhen, He Jin-Xing, Zhao Tao, Zhao Xiao-Lei
Food and Machinery
In this study, magnetic molecularly imprinted biochar microspheres for specific adsorption of tetracylines (TCs) were prepared by Pickering emulsion polymerization using tetracyline (TC) as template and Fe3O4 and biochar as co-stabilizers. The adsorption properties of the imprinted microspheres for TC were studied by adsorption kinetics test, adsorption isothermal test, and selectivity adsorption test, exhibiting the excellent specific adsorption for TC with imprinting factor of 3.97. Further more, the imprinted materials were used as adsorbents for extraction and purification of TCs in real samples, and the content of TCs were detected through high performance liquid chromatography (HPLC). Under …
Research Status And Prospect Of Scraped-Surface Heat Exchanger,
2020
Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200093 ,China ；Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian,Liaoning 116034 , China ；School of Mechanical Engineering, Tongji University, Shanghai 201804 , China
Research Status And Prospect Of Scraped-Surface Heat Exchanger, Li Shi-Cheng
Food and Machinery
The structure and principle of the scraped-surface heat exchanger were systematically summarized, and the relative process applications, internal flow laws, shear rate, heat transfer mechanism, residence time distribution and power consumption were also reviewed. Moreover, the future development trend and research direction of the scraped-surface heat exchanger were prospected.
Effect On The Cold Sterilization Of Areca Catechu Packaging Products By High Voltage Electric Field And Cold Plasma,
2020
National Center of Meat Quality and Safety Control, Nanjing, Jiangsu, 210095 , China
Effect On The Cold Sterilization Of Areca Catechu Packaging Products By High Voltage Electric Field And Cold Plasma, Cao Li-Na, Zhang Jian-Hao, Wang Xiao-Ting, Wei Qiao-Yun, Wang Yi-Yue, Yan Wen-Jing
Food and Machinery
Response surface methodology was used to explore the sterilization efficiency of areca catechu by working frequency, voltage, time and oxygen ratio of high voltage electric field. The results showed that within a certain range, the sterilization rate increased significantly with the increase of working frequency, voltage and time (P＜0.05). When the frequency was higher than 100 Hz and the time exceeded 150 s, the sterilization rate did not change significantly (P＞0.05). Regression analysis results showed that the increase of frequency was positively correlated with the changes of voltage and time critical values (R2=1), indicating that frequency, voltage and …
Effect Of Electrolyzed Ozone Water On The Quality Of Fresh-Cut Lotus Root,
2020
College of Chemical and Food Engineering, Changsha University of Science and Technology, Changsha,Hunan 410114 , China ；Hunan Aquatic Resources Food Processing Engineering Technology Center,Changsha, Hunan 410114 , China
Effect Of Electrolyzed Ozone Water On The Quality Of Fresh-Cut Lotus Root, Tang Qian, Liu Yong-Le, Liu Xiang-Ru, Yu Jian, Wang Fa-Xiang, Li Xiang-Hong
Food and Machinery
In order to improve the commodity value of fresh-cut lotus root and prolong the shelf life, this study analyzed the effects of electrolyzed ozone water on the total colony count, weight loss rate, total acid content, soluble solids content, hardness and color of fresh-cut lotus root during cold storage. The results showed that the increase of total colony count and weight loss rate was inhibited by ozone water treatment, which was only 37.84% and 52.54% of control group, respectively, after 12 days of cold storage. The decline of total acid content in ozone group was also inhibited but its initial …
Preparation Of Ink Melanin From Sepia Esculenta By Ultrasound-Assisted And Its Protective Effects On Oxidative Damage In Caco-2 Cells,
2020
College of Marine Science and Biological Engineering, Qingdao University of Science and Technology,Qingdao, Shandong 266042 , China
Preparation Of Ink Melanin From Sepia Esculenta By Ultrasound-Assisted And Its Protective Effects On Oxidative Damage In Caco-2 Cells, Zhang Jing-Yu, Xie Wan-Cui, Che Hong-Xia, Yang Xi-Hong
Food and Machinery
In order to investigate the protective effect of Sepia esculenta ink melanin on the oxidative damage of human cloned colon adenocarcinoma cells (Caco-2), the ultrasound-assisted method was used to prepare Sepia esculenta ink melanin and its structure characterization and antioxidant capacity were measured. In this study, 150 μmol/L tert-butyl hydrogen peroxide (TBHP) was used to induce the oxidative damage model of Caco-2 cells, and the cell survival rate was determined by the MTT method, as well as the activity of superoxide dismutase (SOD) and malondialdehyde (MDA) in cells were determined. The experimental results showed that the melanin extracted by ultrasound …
Preparation Of Polysaccharde Liposomes From Bettila Striata And Their Effects On Tyrosinase Activity,
2020
College of Bioscience and Technology, Hunan Agricultural University, Changsha, Hunan 410128 , China
Preparation Of Polysaccharde Liposomes From Bettila Striata And Their Effects On Tyrosinase Activity, Kong Ling-Yue, Xiang Hua, Tang Ke-Hua, Dong Ai-Wen, Tang Zhong-Hai
Food and Machinery
Nano-liposome method was used to prepare high-content polysaccharide liposomes from Bettila striata, and the interaction mechanism between them and tyrosinase were studied. The results showed that the average particle size of the prepared polysaccharide liposomes was 5.72 μm and the particle size distribution was uniform; when the concentration was 12.8 mg/mL, the inhibition rate of these polysaccharide liposomes on tyrosinase activity was 51%, and the half inhibitory concentration was 11.56 mg/mL. Spectral analysis showed that the polysaccharide liposomes from B. striata could interact with tyrosinase, with the binding constant of 6.58×105 L/mol; the fluorescence quenching mechanism was mainly static …
Optimization Of Ultrasonic-Assisted Extraction Process And Analysis Of Fatty Acid Composition Of Panicum Miliaceum L. Shell Oil,
2020
Food College, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319 , China ；Agri-Food Processing and Engineering Technology Research Center of Heilongjiang Province, Daqing, Heilongjiang 163319 , China
Optimization Of Ultrasonic-Assisted Extraction Process And Analysis Of Fatty Acid Composition Of Panicum Miliaceum L. Shell Oil, Miao Xin-Yue, Zhu Dan, Yan Fei-Xiang, Niu Guang-Cai, Wei Wen-Yi, Zhu Li-Bin
Food and Machinery
The n-hexane was used as extraction solvent, and the ultrasonic-assisted extraction parameters of Panicum miliaceum L. shell oil were optimized by response surface methodology based on the single factor experiment of ultrasonic power, liquid-solid ratio, extraction time and extraction temperature. The results showed that the optimum extraction parameters were as follows: the ultrasonic power was 400 W, the liquid-solid ratio was 12∶1 (mL/g), the extraction temperature was 70 ℃, and the extraction time was 50 min, and the yield of Panicum miliaceum L. shell oil reached 6.95% under the optimal condition. Five kinds of fatty acids were identified by GC, …
Analysis Of Active Compounds, Antioxidant Activity And Correlation In Different Parts From Ficus Tikoua Bur.,
2020
Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China ；Teaching Equipment and Laboratory Management Center, Guiyang University, Guiyang, Guizhou 550005 , China
Analysis Of Active Compounds, Antioxidant Activity And Correlation In Different Parts From Ficus Tikoua Bur., Yang Xiu-Qun, Xie Guo-Fang, Wu Qian, Chen Lian, Chen Jia, Liu Yong-Ling
Food and Machinery
To investigate the bioactive compounds and antioxidant activity of vine, leaves and fruits of the Ficus tikoua Bur. in Guizhou Province, the phenolic compounds, vitamin C, total phenols, total flavonoids were analyzed. Antioxidant activity was evaluated by total reducing power assay (TRPA), free radical scavenging capacity of ABTS+· (ABTS) and ferric ion reducing antioxidant power(FRAP) method in vitro, and Pearson correlation analysis was conducted. The results indicated that the contents of bioactive compounds and antioxidant activity were significantly different between the vine, leaves and fruits (P＜0.05). The content of total phenols and flavonoids in vine was significantly higher …
Effects Of Physical Properties Of Raw Material Flour On Quality Of Fresh Rice Noodles,
2020
Hunan Agricultural Products Processing Institute, Changsha, Hunan 410125 , China
Effects Of Physical Properties Of Raw Material Flour On Quality Of Fresh Rice Noodles, Tao Xiang-Lin, Wu Yue-Hui, Wei Ying-Juan, Tang Zhen-Xing, Yuan Jie, Xie Jun, Tang Han-Jun
Food and Machinery
Three varieties of indica rice with significant difference in amylose and protein content were selected as the research materials. The fresh rice noodles was processed by production line with a capacity of 1 200 kg/h after size mixing (material liquid ratio 11.5). The physical properties of raw material flour were prepared by dry milling, airflow ultrafine pulverizing and water milling were analyzed by SEM, laser particle size analyzer, DSC and texture analyzer, the relationship between physical properties and quality of fresh rice noodles were discussed. Results: There was significant difference in the size of raw material flour prepared by different …
Application Of Lactobacillus Plantarum In Improving The Quality Of Tobacco Leaves From Different Regions,
2020
School of Food Science and Technology, South China University of Technology, Guangzhou, Guangdong 510640 , China
Application Of Lactobacillus Plantarum In Improving The Quality Of Tobacco Leaves From Different Regions, Qin Ming-Juan, Chen Sen-Lin, Zhao Qiang-Zhong, Peng Chen, Jin Bao-Feng, Tao Hong
Food and Machinery
Single factor combined with orthogonal test was employed to optimize the best technology for fermentation of tobacco leaves by Lactobacillus plantarum in this study. The chemical components, aroma substances and sensory evaluation of fermented tobacco leaves were analyzed. The optimal fermentation technology of tobacco leaves by L. plantarum was achieved when the addition of L. plantarum, glucose syrup and soy protein peptide was 0.80‰, 5.0‰, and 0.05‰ respectively, with fermentation for 8 days. The starch content of tobacco leaves decreased to the most significantly, and 9 kinds of new volatile aroma substances were detected. The content of nicotine decreased …
Characteristic Analysis Of Heat-Not-Burn Cigarette Tobacco Materials,
2020
Yunnan Yangrui Tech Group Co., Ltd., Kunming, Yunnan 650224 , China
Characteristic Analysis Of Heat-Not-Burn Cigarette Tobacco Materials, Yang Xue-Yan, Wen Guang-He, Li Feng, Rao Guo-Hua, Ken Sheng-Ye, Duan Qin, Jin Yun-Feng, Gao Chao
Food and Machinery
In order to deeply understand the characteristics of heat-not-burn (HNB) cigarette tobacco materials prepared by different processes and their effects on the characteristics of cigarette products, four kinds of sheets with different flavors prepared respectively by rolling press (RP) , slurry process (SP), paper-making process (PP) and air-laid process (AP) were analyzed by chemical composition analysis, thermal cracking analysis and thermal weight analysis. The results are as follows. ① RP and SP tobacco materials had a low fiber content and tight structure, while PP and SP tobacco materials had a relatively high fiber content and loose structure. ② Water content …
Research Progress On Application Of Polyoxometalates In Food Preservation,
2020
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002 , China
Research Progress On Application Of Polyoxometalates In Food Preservation, Zhou Feng, Zhang Jia-Wen, Liu Hai-Xiong, Hu Jia-Miao
Food and Machinery
This paper comprehensively expounds the research achievements on the biological activity of polyoxometalates at home and abroad in recent years, and points out the research progress of the application of polyoxometalates in the field of food preservation based on their anti-bacterial and enzyme-inhibitory activities. The application trend and research direction of polyoxometalate in food industry are also prospected.
Effects Of Low Temperature And Low Voltage Electrostatic Field Treatment Combined With Microporous Pe Film Packaging On Storage Quality Of Different Maturity Lingwu Long Jujube,
2020
College of Agronomy, Ningxia University, Yinchuan, Ningxia 750021 , China ；Key Laboratoryof Microbial Applied Technology and Safety Control, Yinchuan, Ningxia 750021 , China
Effects Of Low Temperature And Low Voltage Electrostatic Field Treatment Combined With Microporous Pe Film Packaging On Storage Quality Of Different Maturity Lingwu Long Jujube, Yang Ya-Li, Liu Hui-Yan, Fang Hai-Tian, Zhang Hao-Yu, Li Jin-Na, Zhang Guang-Di
Food and Machinery
Lingwu long jujube with different maturity levels (semi-red period, 2/3 red period and full red period) as research material, the method of low temperature and low voltage electrostatic field combined with PE film bag was used to.preserve the freshness of the jujube fruits. During the storage period, the changes of physical and chemical properties of Lingwu long jujube fruits such as ascorbic acid (VC), total acid (TA), soluble solids (TSS), hardness and weightlessness rate, and sensory evaluation were investigated. As results, Lingwu long jujube fruits in full red and half-red periods had a shorter fresh-keeping period, with a faster softening …
Recent Progress In Marine Natural Products Intervention In Inflammatory Bowel Disease,
2020
College of Mairine Science and Biological Engineering, Qingdao University of Science & Technology, Qingdao, Shandong 266042 , China
Recent Progress In Marine Natural Products Intervention In Inflammatory Bowel Disease, Li Ming-Shuang, Yang Xi-Hong, Che Hong-Xia, Xie Wan-Cui
Food and Machinery
In this article, the recent research progress and therapeutic mechanism of marine-derivedactive substance against inflammatory bowel disease are reviewed.The multiple action targets of macromolecular active substances under the existing experimental model are proposed. And the possibility and potential mechanism of fatty acids, polysaccharides, biological peptides and other substances as adjuvant therapy of inflammatory bowel disease are discussed, which will hopefully provide a theoretical basis for the high value utilization of seafood and the development of supplements for inflammatory bowel disease.
Effect Of Sodium Chloride On Starch Properties From Different Adzuki Bean Varieties,
2020
College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319 , China
Effect Of Sodium Chloride On Starch Properties From Different Adzuki Bean Varieties, Zhang Jing-Yi, Zhai Ai-Hua, Zhang Dong-Jie
Food and Machinery
The effects of sodium chloride on the properties of starch paste were studied by analyzing the size, viscosity, regeneration, enthalpy and gelatability of starch paste after adding sodium chloride. The results showed that the starch in da hong pao with low amylose content showed higher initial temperature, final viscosity and enthalpy of gelatinization than that in baoqing and pearl, with lower peak viscosity and smaller particle size; After the addition of 2% sodium chloride, the average particle size, peak viscosity, attenuation value and rejuvenation value of the three kinds of red bean starch gelatinized decreased significantly (P＜0.05). Gelatinization temperature and …
Quality Change And Shrinkage Model Of Kiwi During Freeze Drying And Vacuum Microwave Combined Drying,
2020
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023 , China
Quality Change And Shrinkage Model Of Kiwi During Freeze Drying And Vacuum Microwave Combined Drying, Lian Miao-Miao, Duan Xu, Huang Lue-Lue, Lin Hui-Yan
Food and Machinery
Kiwifruits were respectively dried by freeze-drying and vacuum-microwave combined drying, with different microwave power (0.25, 0.30 and 0.39 W/g). In combination with the shrinkage ratio, sensory quality, color difference, rehydration ratio and porosity of kiwifruit in the drying process, the drying characteristics, pore structure and shrinkage characteristics of kiwifruit pieces in the drying process were analyzed, and the shrinkage model of kiwifruit pieces in the process of FD pretreatment vacuum microwave drying was established. The results showed that the drying characteristics of kiwifruit slices changed with the different power of microwave, and the higher the microwave power could cause higher …
Optimization Of Modifying Kiwifruit Peel Dietary Fiber With A Colloid Mill,
2020
Institute of Food Science, Jishou University, Jishou, Hunan 416000 , China
Optimization Of Modifying Kiwifruit Peel Dietary Fiber With A Colloid Mill, Wu Hai-Yu, Gong Lin-Ling, Yang Wan-Gen
Food and Machinery
Using water retention capability and oil-binding capability as indices, the effects of the factors such as insert spacing of colloid mill, ratio of liquid to solid and milling time on the indices were evaluated, and the optimal conditions of the modification were obtained by a Box-Behnken experiment. The results showed that the optimal modification conditions were: insert spacing of 13 μm, ratio of liquid to solid of 90∶1 (mL/g) and milling time of 7.5 min. After crushing under such conditions, the KPDF had an average particle size (D50) of 58 μm, lower than that before modification by 94.42%; …
Functional Components, Health Function And Utilization Of Blueberry,
2020
Department of Food and Drug Engineering, School of Pharmacy, Hunan University of Traditional ChineseMedicine, Changsha, Hunan 410208 , China
Functional Components, Health Function And Utilization Of Blueberry, Jin Yong-Xue, Feng Jian-Guo, Zheng Tao, Zeng Yi-Qiong, Zheng Hui, Yang Yong
Food and Machinery
The main functional components, health care function, and application status of blueberry in food, medicine, cosmetics and other fields were reviewed, and the research direction of blueberry processing is to improve the polyphenol retention rate was also proposed.
Cloning,Expression And Purification Of Β-Conglycin Inα-Subunit Core Region,
2020
College of Food Science & Engineering, Northwest A & F University, Yangling, Shannxi 712100 , China
Cloning,Expression And Purification Of Β-Conglycin Inα-Subunit Core Region, Li Yao-Xi, Yuan Yan-Qiu, Ju Qian, Gao Meng-Nan, Zhou Shu-Yi, Hu Ya-Yun, Luan Guang-Zhong
Food and Machinery
The full-length cDNA of the soybean seeds was obtained by RT-PCR, and amplified by self-designed primers to obtain the target gene αc, The target gene was linked to the vector to construct a recombinant cloning vector pGEM-αc, which was identified by double digestion with XhoⅠ/EcoRⅠ and ligated with vector pET-28a to construct a recombinant plasmid pET-28a-αc. After correctly transferred into competent cells E.coli BL21 (DE3), the recombinant protein of α-subunit core region was expressed by inducing with the OD600 nm value 0.8, isopropylthiogalactoside (IPTG) 0.2 mmol/L at 37 ℃ for 9 h, and …
