Analysis Of Essential Oil From Different Parts Of Pelargoniumodor At Is Sim Um And Its Application In Cigarette,
2022
Tobacco College of Henan Agriculture University, Zhengzhou, Henan 450002 , China
Analysis Of Essential Oil From Different Parts Of Pelargoniumodor At Is Sim Um And Its Application In Cigarette, Yin Hong-Fei, Chen Jian-Zhong, Li Yao-Guang, Liu Sui-Jun, Zhao Wan-Ying, Chen Meng-Qi, Yuan Yao-Hong, Li Hua I-Qi, Su Tong-Fu, Jing Yan-Qiu
Food and Machinery
Objective：Develop new natural characteristic plant to-bacco flavor.Methods：The volatile oil from the seeds， leaves and stems of Pelargonium odor atissimum was extracted by simulta-neous steam distillation solvent extraction(SDE) .The chemical components of volatile oilwereanal yzed by GC/MS，andthe effects of volatile oil from different parts of Cardamom geraniumin cigarette flavoring and conventional components of smoke werecompared.Results：The volatile oil of Cardamom geranium seeds wasmainlyterp in en-4-ol(110.54mg/g)，myristic in (81.81mg/g) ， β-p hell and rene (58.33mg/g) .Themain components of leaf essential oil were linalool(90.04mg/g) ， myr- istic in(59.09mg/g) terp in en-4-ol(39.69mg/g) .Thestemessential oilwasdominated by D-limonene(45.56mg/g)， linalool (13.26mg/g)，3， 7-dimethyl-1， 5， 7-oct …
Hs-Gc-Ims Analysis And Fingerprint Study Of Volatile Organic Compounds Infive Species Medicinal And Edible Chrysanthemum Mori Folium Ramat.,
2022
School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208 , China
Hs-Gc-Ims Analysis And Fingerprint Study Of Volatile Organic Compounds Infive Species Medicinal And Edible Chrysanthemum Mori Folium Ramat., Dingy Un-Long, Wang Hao-Dong(1,2), Tang Guo-Wei, Tian Xing
Food and Machinery
Objective：To understand the difference of cumulative content and species of volatile organic compounds(VOCs) in five different species of Chrysanthemum morifolium Ramat..Methods：In this study， five different species of Chrysanthemum morifolium Ramat.，namely，Jin si huang ju，Huang ju，Hang baiju， Boj u， and Gong ju.The differences and variations of the fingerprints of volatile organic compounds (VOCs) in different species of Chrysanthemum morifolium Ramat.were studied by headspace-gas chromatography-ion mobility spectro s-copy(HS-GC-IMS) ， combined with cluster analysis and relation-ship matrix in the form of data visualization.Results：There were significant differences in VOCs among different varieties of Chrysanthemum mori folium Ramat.(P＜0.05) ， and the …
Determination Of Soybean And Wheat Allergens In Food By Dual Real-Time Fluorescence Pcr,
2022
Suzhou Products Quality Supervision and Inspection Institute, Suzhou, Jiangsu 215104 , China
Determination Of Soybean And Wheat Allergens In Food By Dual Real-Time Fluorescence Pcr, Jin Ping, Ding Hong-Liu, Zhang Min, Jin Xiao-Hong
Food and Machinery
Objective: A multiplex fluorescence PCR method based on TaqMan probe was developed for simultaneous detection of soybean and wheat allergens in food. Methods: TaqMan probe dual PCR was designed and established based on wheat gliadin gene and soybean lectin gene, respectively. The soybean Lectin gene was detected with FAM marker, and the wheat gliadin gene was detected with HEX marker. Moreover, the eukaryotic 18S rRNA was used as internal reference gene to ensure the effectiveness of the detection system. Results: The multiplex fluorescence PCR method for detection of soybean and wheat allergens created in this …
Screening Of Pde-5 Inhibitors In Health Wine By Surface-Enhanced Raman Spectroscopy,
2022
Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075 , China ；Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-derived Foodfor State Market Regulation, Wuhan, Hubei 430075 , China ；Hubei Provincial Engineering andTechnology Research Center for Food Quality and Safety Test, Wuhan, Hubei 430075 , China
Screening Of Pde-5 Inhibitors In Health Wine By Surface-Enhanced Raman Spectroscopy, Hu Jia-Yong, Zhou Tao-Hong, Yao Xiao-Fan, Yuan Min-Wen, Liu Di
Food and Machinery
Objective: A surface-enhanced Raman spectroscopy (SERS) method was developed for non-targeted screening of PDE-5 inhibitors in health wine. Methods: An appropriate SERS base of colloidal gold was prepared, and SERS analysis was conducted after the base was mixed with 78 kinds of PDE-5 inhibitors. The spectrogram screening database was established, and whether the matching degree was higher than 70% was used as the basis for judging whether the PDE-5 inhibitors were suspected to be added. Finally, the sensitivity and specificity of the method were investigated. Results: The best method of preparing PDE-5 inhibitors of SERS base was …
Evaluation Of Uncertainty In Determination Of Five Kinds Of Carbamate Pesticide Residues In Apple By Liquid Chromatography-Post-Column Derivatization,
2022
Sichuan Light Industry Research and Design Institute Co., Ltd., Chengdu, Sichuan 610084 , China
Evaluation Of Uncertainty In Determination Of Five Kinds Of Carbamate Pesticide Residues In Apple By Liquid Chromatography-Post-Column Derivatization, Yu Xing, Chang Wei, Wang Yong-Lin, Yao Zeng
Food and Machinery
Objective: This study aimed to analyze the accuracy of determination results of five kinds of carbamate pesticide residues in apple. Methods: Five kinds of carbamate pesticide residues in apples were detected according to NY/T 761—2008, and the uncertainty of the determination process was evaluated and analyzed. Results: The contents of carbosulfur, methomyl, 3-hydroxycarbamate, aldicarb and isoprocarb in apples are expressed in the form of expanded uncertainty as (0.105 7±0.007 8), (0.107 7±0.006 2), (0.109 2±0.005 8), (0.103 9±0.008 4), (0.106 1±0.007 6) mg/kg (k=2). Conclusion: The main sources of uncertainty in the experiment are standard material, …
Thermal Analysis Of Ws Series Cooling Agent,
2022
Technology Center of Yunnan China Tobacco Industry Co., Ltd., Kunming, Yunnan 650231 , China ；Schoolof Chemistry and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650106 , China
Thermal Analysis Of Ws Series Cooling Agent, 1li Yi-Rong, Zhu Rui-Zhi, Jiang Wei, Jiang Li-Hong, Yang Ji
Food and Machinery
Objective: Evaluation of the safety of WS series cooling agents for cigarettes. Methods: In this paper, pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS) and thermogravimetric (TG) methods were used to study the pyrolysis behavior and content distribution of WS series cooling agents in tobacco under different atmospheres. Results: Through TG/DSC analysis, WS-3, WS-5, and WS-23 had only one obvious thermal weight loss stage, and the maximum weight loss rates occurred at 251.8, 281.6, and 206.5 ℃, respectively. The three cooling agents all showed sharp endothermic peaks before weight loss, and a phase transition process of melting occurred. It was speculated …
Research And Enlightenment On Quality And Safety Supervision System Of Agricultural Food Products In Bangladesh,
2022
Shantou Customs Technology Center, Shantou, Guangdong 515031 , China
Research And Enlightenment On Quality And Safety Supervision System Of Agricultural Food Products In Bangladesh, Li Guan-Si, Cao Xiao-Gang, Li Ke, Li Zhi-Yong, Wei Shuang
Food and Machinery
According to the United Nations trade policy review documents, notifications, comments, special trade concerns and official authoritative research reports, the Bangladesh agricultural food product quality and safety regulatory bodies, laws and regulations, standard system, and other aspects were reviewed. It was suggested that Chinese export enterprises take advantage of local agricultural food products to actively explore the import and export trade market between China and Bangladesh. Moreover, Chinese regulators should be followed Bangladesh agricultural food products regulatory system changes, to further strengthen the assistance of agricultural and food product safety system in Bangladesh. Functional advantages can better promote bilateral trade …
Analysis Of Rice Grain Breakage Characteristics Based On Discrete Element Edem,
2022
School of Mechanical Engineering, Wuhan Polytechnic University, Wuhan, Hubei 430024 , China
Analysis Of Rice Grain Breakage Characteristics Based On Discrete Element Edem, Liu Cheng, Wang Wang-Ping, Song Shao-Yun
Food and Machinery
Objective: The rotational speed of the roller of the rice mill was optimized to reduce the crushing rate of rice grains in the process of whitening. Methods: The extrusion filling model was established by using SolidWorks software, and the collision contact model of single rice grain and two rice grains was established by using the particle bond model in EDEM software. The collision process of rice grains with different moisture content at different falling speeds was simulated, and the collision results of corresponding rice grains were observed. Results: There were three critical states of rice grains in …
Research And Development Of Fruit Quality Sorting Machine,
2022
Qingdao Agricultural University, College of Mechanical and Electrical Engineering, Qingdao, Shangdong 266109 , China
Research And Development Of Fruit Quality Sorting Machine, Wang Wen-Chao, Ge Feng-Li, Xu Wen-Kai, Zhao Lu-Hai, Li Juan
Food and Machinery
Objective: Improve the quality and efficiency of fruit quality sorting and reduce labor costs. Methods: A fruit quality sorting machine is designed to detect and sort for fruit quality. The sorting machine uses STC8A8K64S4A12 as the slave computer and uses Jetson Xavier NX as the master computer. The sorting machine can achieve the detection and sorting of the fruit on damage and sugar content by artificial intelligence. Results: The accuracy, resolution of sugar degree and speed of the sorter for detecting fruit were 99%, 0.1% and 7 200 h-1, respectively. Conclusion: The device can …
Research On Automatic Orientation And Grading Of Shrimp Shelling Device,
2022
Electrical and Mechanical Services Department of Zhoushan Technician College, Zhoushan,Zhejiang 316000 , China
Research On Automatic Orientation And Grading Of Shrimp Shelling Device, Fu Shi-Wei, Liu Jian-Hua, Huang Dao-Pei, Liu Yu-Liang
Food and Machinery
Objective: To realize the full automation of shrimp deep processing. Methods: Based on analysis of physical characteristics of northern and southern American shrimps, according to the feature of the center of gravity located between the thickest part of the shrimp body and the tail of the shrimp, an automatic orientation and grading device of shrimp head and tail was designed. Taking the clip angle between directional roller shaft line and horizontal line and the speed of directional roller as testing factors, the directional components were tested. Results: When the directional roller speed was 60 r/min, and the …
Energy Consumption Path Planning Of Food Robot Based On Improved Whale Algorithm And Neural Network,
2022
Chongqing Engineering Vocational and Technical College, Chongqing 402260 , China
Energy Consumption Path Planning Of Food Robot Based On Improved Whale Algorithm And Neural Network, Huang Chong-Fu, Chang Yu, Liu Li-Chao
Food and Machinery
Objective: In order to solve the energy-saving trajectory planning problem of robot in food industry with unknown dynamic parameters, a point-to-point robot joint energy consumption path planning scheme based on whale algorithm and neural network was proposed. Methods: The energy consumption model of point-to-point joint of mobile manipulator of food robot was constructed, the similarity dynamics identification based on neural network was designed, and the improved whale algorithm was used to optimize the weight and bias parameters off-line. The quadric polynomial interpolation method was used to plan the joint motion trajectory, and the trajectory parameters were equivalent to …
Research And Application Of Flexible Feeding And Discharging Technology For Storage Tank,
2022
Xiangyang Cigarette Factory, China Tobacco Hubei Industrial Co., Ltd., Xiangyang, Hubei 441000 , China
Research And Application Of Flexible Feeding And Discharging Technology For Storage Tank, Zeng Wei-Zhong, Li Qiang, Li Jun, Zou Jin-Peng, Liu Tian, Liu Chang, Zhang Xing-Quan, Li Jia-Xi
Food and Machinery
Objective: To solve the problems of low whole rate of the tobacco shredded from the cabinet, high rate of broken shreds and high concentration of regional dust. Methods: A flexible feeding and discharging system of the wire storage cabinet was designed, which effectively reduced the shredded tobacco and the regional dust concentration through the automatic telescopic sliding plate and the sliding and lifting raking roller. Results: After adopting the flexible feeding and discharging system of the wire storage cabinet, the change rate of the whole wire rate increased by 1.1%, from 80.2% to 81.1%, and the broken …
Research And Application Of Glue Device For Zj17 Cigarette Machine,
2022
China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei 430040 , China
Research And Application Of Glue Device For Zj17 Cigarette Machine, Liu Shi-Ming, Wang Jian, Zhao Ze-Yu, Jing Yu-Hui, Shi You-Zhi
Food and Machinery
Objective: To reduce the rejection rate of ZJ17 cigarette machine, shorten the adjustment time and improve the production efficiency. Methods: The rubber roller phase alignment device was developed to accurately measure the position of the rubber line by the sensor, and the measurement signal was transmitted to the industrial computer in real time. The shaft encoder signal was used to judge the offset of the rubber line, and the servo motor was driven to automatically adjust the phase of the rubber roll, so as to realize the real-time control of the position of the rubber line. Results: …
Expression Of Folk Culture Elements In The Packaging Design Of Local Characteristic Food,
2022
Hunan University of Science and Engineering, Yongzhou, Hunan 425199 , China
Expression Of Folk Culture Elements In The Packaging Design Of Local Characteristic Food, Zuo Wen
Food and Machinery
Based on the analysis of folk culture elements and local characteristic food packaging attributes,the design path of food packaging was proposed from three aspects of packaging materials, packaging modeling and decorative vision, so as to make local specialty food packaging show “natural beauty, experience beauty and regional beauty”, thereby promote cultural identity.
Study On Antioxidant Activities Of Proteins And Enzymatic Hydrolysates Of Eight Edible Fungi,
2022
Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratoryof Agricultural Genetics and Breeding, Shanghai 201403 , China ；College of Food Sciences,Shanghai Ocean University, Shanghai 201306 , China
Study On Antioxidant Activities Of Proteins And Enzymatic Hydrolysates Of Eight Edible Fungi, Wang Yao-Ran, Zhao Yan, Chen Ming-Jie, Wei Chen-Ying, Zha Lei, Li Zhi-Ping
Food and Machinery
Objective: This study focused on the antioxidant activities of eight edible fungiproteins and their hydrolysates. Methods: Eight edible fungi proteins were hydrolyzed using alkaline protease. DPPH free radical scavenging activity, ABTS free radical scavenging activity, Fe2+ chelation rate and reducing power were used to evaluate antioxidant activity. Results: SDS-PAGE electrophoretic profile results indicated that alkaline protease was efficient in hydrolyzing proteins into low molecular weight peptides and amino acid; the antioxidant activity of the alkaline proteolysis product of Volvariellavolvacea was the highest with DPPH free radical scavenging ability (5 140.45±5.35) μg Trolox/g, ABTS free radical scavenging …
Optimization Of Extraction Technology Of Total Flavonoids From Rooibos And The Antibacterial Effect On Escherichia Coli,
2022
College of Environmental Engineering, Yellow River Conservancy Technical Institute, Kaifeng, Henan 475000 , China
Optimization Of Extraction Technology Of Total Flavonoids From Rooibos And The Antibacterial Effect On Escherichia Coli, Wang Zhen-Wei, Zheng Li-Jing
Food and Machinery
Objective: This study aimed to evaluate the antibacterial activity of total flavonoids from rooibos (TFR) against E. coli and explore the application of rooibos resources in food field. Methods: Total flavonoids were extracted by ultrasonic-assisted ethanol extraction, and the extraction process was optimized by response surface test. The antibacterial effects of TFR on E. coli were analyzed by disk diffusion method, double dilution method, growth curve change and transmission electron microscope test. Results: The optimal extraction conditions were as follows: ethanol volume fraction 53%, solid-liquid ratio 1∶27 (g/mL), ultrasonic temperature 77 ℃, ultrasonic time 68 min. Under …
Optimization Of Extraction Process Of Polyphenols From Olive Leaves And Its Effect On Oxidative Stability Of Camellia Seed Oil,
2022
College of Food Science and Engineering, Zhengzhou, Henan 450001 , China
Optimization Of Extraction Process Of Polyphenols From Olive Leaves And Its Effect On Oxidative Stability Of Camellia Seed Oil, Shang Fang-Yuan, Pan Li, Gu Ke-Ren, Li Xue-Qin
Food and Machinery
Objective: The application of olive leaf, a by-product of olive oil production, in food industry was studied. Methods: Taking the yield of olive leaf polyphenols as the evaluation index, on the basis of single factor experiment, the effects of water bath temperature, extraction time and solid-liquid ratio on the yield of polyphenols were analyzed by Box-Behnken response surface method, the effects of olive leaf polyphenols on the oxidative stability of camellia seed oil were studied with peroxide value and acid value as indexes. Results: The optimum extraction conditions of polyphenols from olive leaves by water bath were …
Optimization Of Purification Process Of Lutein From Marigold By Macroporous Resin,
2022
School of Food and Bioengineering, Qiqihar University, Qiqihar, Heilongjiang 161000 , China
Optimization Of Purification Process Of Lutein From Marigold By Macroporous Resin, Wu Hong-Yan, Shi Yan, Li Xiu-Xin, An Qi
Food and Machinery
Objective: This study aimed to improve the purity of lutein in Marigold. Methods: Lutein was extracted from marigold by sunflower seed oil microemulsion. The crude extract of lutein was saponified with KOH-C2H5OH solution and further purified with macroporous resin. Results: In the static test, HP-20 macroporous resin had the best adsorption and resolution effect of lutein. 80% ethanol solution was used as the adsorption solvent, and anhydrous ethanol solution was used as the analytical solvent, with the loading mass concentration of 0.01 mg/mL. The optimal static adsorption conditions were 30 ℃ temperature, adsorption …
Effects Of Drying Methods On The Quality Of Preserved Yellow Peach,
2022
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306 , China ；Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai OceanUniversity, Shanghai 201306 , China ；Agri-Food Storage and Processing Research Center,Shanghai Academy of Agriculture, Shanghai 201400 , China
Effects Of Drying Methods On The Quality Of Preserved Yellow Peach, Liu Gui-Ge, Zhong Yao-Guang, Qiao Yong-Jin, Chen Bing-Jie, Wang Xiao, Zhang Yi
Food and Machinery
Objective: This study aimed to select a suitable drying method for preserved yellow peach. Methods: Preserved yellow peach was prepared by hot air drying (HAD), microwave-hot air drying (MHD) and vacuum freeze drying (VFD). Its physical properties, nutritional components, sensory and aroma indexes were studied. Results: Compared with traditional HAD, the efficiency of MHD was increased by 56.1%, and the preserved fruit was significantly better than HAD in color, nutritional composition, sensory evaluation, aroma components and content; The preserved yellow peach fruit by VFD has the best color, the strongest rehydration, the best tissue structure integrity of …
Effects Of Different Drying Methods On Volatile Substances Of Taro Slices,
2022
School of Food and Bioengineering, Henan University of Science and Technology, Luoyang,Henan 471000 , China
Effects Of Different Drying Methods On Volatile Substances Of Taro Slices, Yang Yu, Liang Duan, Song Pei, Wang Xue-Qing, Dong Zhong, Sun Xue, Liu Yun-Hong
Food and Machinery
Objective: This study aimed to explore the effects of different drying methods on the volatile components of taro slices. Methods: Volatile compound composition and volatile characteristics of five different drying methods of dried taro slices were studied. Taro and the ones dried by five drying methods, i.e. hot-air drying (HAD), contact-ultrasound enhanced hot-air drying (CU-HAD), far-infrared radiation drying (FIRD), contact-ultrasound enhanced far-infrared radiation drying (CU-FIRD) and freeze drying (FD),were analyzed by gas chromatography-mass spectrometry (GC-MS) with water-vapor distillation method. Volatile components were analyzed in conjunction with principal component analysis (PCA). Results: A total of 149 volatile compounds …
