Research Progress On The Influence Of Black Tea Fermentation Conditions On The Tea Pigment Formation,
2022
Tea Research Institute, Hangzhou Academy of Agriculture, Hangzhou, Zhejiang 310024 , China
Research Progress On The Influence Of Black Tea Fermentation Conditions On The Tea Pigment Formation, Cui Hong-Chun, Zhang Jian-Yong, Zhao Yun, Huang Hai-Tao, Ao Cun, Li Hong-Li, Shi Da-Liang
Food and Machinery
The research progress of the influence of fermentation temperature, fermentation humidity, fermentation time and exogenous additives on the formation of black tea pigment were reviewed. The future research and development trend of black tea pigment formation was prospected.
Research Progress On The Functional Components Of Grifola Frondosa And Their Biological Activities,
2022
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002 , China
Research Progress On The Functional Components Of Grifola Frondosa And Their Biological Activities, Xiong Wen-Yu, He Jun-Qiang, Dai Wan-Zhen, Wu Yu-Yan, Liu Bin
Food and Machinery
The main functional components and biological activities of Grifola frondosa were reviewed, and the existing problems and future research directions were also discussed.
The Overview Of Sn-2 Palmitate Content In Breastmilkand Current Research Status,
2022
Aus nutria Dairy〔China〕Co., Ltd., Changsha, Hunan 410200 , China ；Aus nutria Instituteof Food and Nutrition, Changsha, Hunan 410200 , China ；Hunan Enginering and TechnologyResearch Center for Nutrition and Health Products, Changsha, Hunan 410200 , China
The Overview Of Sn-2 Palmitate Content In Breastmilkand Current Research Status, Dong Ling, Zhou Xin-Yue, Jiang Yi-Kang, Li Wei, Pan Li-Na
Food and Machinery
Thecomparisonofsn-2palmitatecontentinhumanmilk and animal milk in China， Europe and the United States， aswellastheresearchreports onthe physiological functionofinfants and young children were reviewed.The application andpotential prospect of sn-2 palmitate in infant food were also pros-pected.
Study On The Relationship Between Polyphenolic Compoundsand The Taste Of Fruit Juice Samples,
2022
Joint Lab of Chemistry&Combustion, IATUSTC-CTAIC, Hefei, Anhui 230066 , China ；TechnologyCenter, China Tobacco Anhui Industrial Co., Ltd., Hefei, Anhui 230088 , China
Study On The Relationship Between Polyphenolic Compoundsand The Taste Of Fruit Juice Samples, He Zeng-Yang, Li Yu-Xiu, Zhu Qing-Sheng, Ning Yong, Zhu Xiao-Lan
Food and Machinery
Objective：This study aimed to clarify the content anddistribution of polyphenols in fruit juice samples and explore theintrinsic connection of the content of polyphenols with the taste offruit juice .Methods： 15 kinds of polyphenols in fruit juice sampleswere determined by HPLC-MS/MS following ethanol ultrasonic-assisted extraction.Various statistical methods such as correlation and_cluster analysis，were used to establish thesensory evaluation system of fruit juice with the values ofdifferent tastes，including sweetness，sourness，bitterness，salty， umami， astringency and piquancy.Lastly， the relationshipbetween the content of polyphenols and sensory evaluation wasexplored by correlation analysis .Results： 14 types of fruit juiceswere divided into four categories owing to …
Effects Of Soaking Temperature On Rice Regenerationcharacteristics And Edible Quality,
2022
Tourism and Culinary Institute Yangzhou University, Yangzhou, Jiangsu 225100 , China ；Huai yang Cuisine Industrial ix ation Engineering Research Center of Jiangsu Province, Yangzhou,Jiangsu 225100 , China ；Key Laboratory of Chinese Cuisine Intangible Cultural HeritageTechnology Inheritance, Ministry of Culture and Tourism, Yang chou, Jiangsu 225100 , China
Effects Of Soaking Temperature On Rice Regenerationcharacteristics And Edible Quality, Liu Wei, Zhou Xiao-Yan, Shaw En-Xuan, Zhao Zhao, Wang Qiu-Yu
Food and Machinery
Objective：To study the effects of different soakingtemperatures on the short-term return of rice in rice， and providea certain theoretical basis for controlling starch food.Methods：The japonica rice was soaked at(20， 35， 50， 65， 80℃) for15min， using low-field nuclear magnetic resonance， differentialscanning calorimetry，texture analyzer， colorimeter， etc.tostudy its cooking characteristics， thermal characteristics， textureand color difference to reflect its retro gradation characteristics.Results：When the soaking temperature was 50℃， the soakingtemperaturewaslowerthanthestarchgelatin izationtemperature.After short-term retro gradation， it was conduciveto the retention of moisture in the rice grains， with the besttaste， the highest brightness， and a low degree of retro gradation.Conclusion：Soaking …
Effects Of Lactic Acid Bacteria Ferment Ated Pollenson The Inhibition Of A-Glucosidase,
2022
College of Ocean Food and Biological Engineering, Jim ei University, Xiamen, Fujian 361021 , China
Effects Of Lactic Acid Bacteria Ferment Ated Pollenson The Inhibition Of A-Glucosidase, Luo Yue-Peng, Yang Yuan-Fan, Yu Yang-Jun, He Jun-Zhu, Wu Ling
Food and Machinery
Objective：This study focus on improving the a-glucosi-dase inhibition rate of Camellia pollens.Methods：Usinga-gluco-sida se inhibition rate as the index， the response surface method-ology was used to optimize the effects of lactic acid bacteria in ocu-lation amount， fermentation temperature and fermentation timeon the results of Camellia pollens fermentation.Results：It wasfound that the number of lactic acid bacteria inoculated had thegreatest effect on α- glucosidase inhibition， followed by ferment a-tion temperature.The optimized fermentation conditions of Ca-melli a pollens were 0.9%lactic acid bacteria inoculation at 37℃for 3 days.Under the control of the optimized conditions， the in-hi bition rate of αglucosidase …
Effect And Mechanism Of Rosa Roxburgh Ii Polysaccharide On Improvinginsulin Resistance In Obese Rats,
2022
Science and Technology College Gann an Normal University, Gan zhou, Jiang zi 341000 , China
Effect And Mechanism Of Rosa Roxburgh Ii Polysaccharide On Improvinginsulin Resistance In Obese Rats, Zhang Shuai-Jun, Tang Yue-Mei, Niu Ying-Peng, Zhang Jin
Food and Machinery
Objective：This study aimed to develop R.roxburghii as functional food in medicine and healthcare products.Methods：High-fat dial-induced insulin resistance rat model was established.There were normal control group， the model group， the positivecontrol group， and the low and high dose group of R.roburghii polysaccharide(100mg/kg and 200mg/kg) .The body weight was recorded before and after the experiment.The serum oxidative stress indexes(SOD， MDA) ， lipid metabolism indexes(TG， TC) ， fasting blood glucose(FBG) and fasting insulin(FINS) levels， as well as the mRNA and protein expressions of PI3K an dG LUT 4m RNA in skeletal muscle were detected.Re-sults：Compared with the model group， the bodyweight， serum MDA， TG， …
Determination And Principal Component Analysis Of 8 Kinds Of Bioactive Substances In Different Flaxseed Vareties,
2022
Heilongjiang Bay i Agricultural University, Daqing, Heilongjiang 116331 9, China
Determination And Principal Component Analysis Of 8 Kinds Of Bioactive Substances In Different Flaxseed Vareties, Sun Qiang, Wang Li-Yan, Jing Rui-Yong, Guo Yong-Cia
Food and Machinery
Objective：Thisstudy aimedto investigatethedifference of bio activators from different flaxseed .Methods： 12flaxseed varieties were used as study objectives， 8kindsofbioac-tivat ors from different varieties of flaxseed were measured andanalyzed by principal component and clustering.Results：Theorder of effect of flaxseed varieties on bioactive substances was asfollows：lignan＞total cyanide＞flavone＞phytosterol＞total phe-no lic acid＞to cop hero nic acid＞FRAP value＞DP PH value.3 principal components were extracted by principal component a-nalysis and their accumulative contribution ratereach to82.925%.The first， second and third principal component weremainly determined by flavone and FRAP values， lignan and to co-p hero nic acid， total cyanide and total phenolic acid， respectively.12 flaxseed …
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 …
