Research Progress Of Protein-Based Plant Polyphenol Nano-Delivery Carriers,
2022
School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, Hunan 410114 , China
Research Progress Of Protein-Based Plant Polyphenol Nano-Delivery Carriers, Chen Yang-Ling, Jiao Ye, Cui Bo, Fang Fang, Yang Jing-Jie, Cheng Yun-Hui
Food and Machinery
This review summarized the research progress on the preparation methods of nano-delivery systems, the types of proteins used to construct plant polyphenol nano-delivery carriers, and the modification of nano-delivery carriers by cross-linking agents domestically and internationally. The development of protein-based plant polyphenol nano-delivery carriers in the food field was also prospected.
Inhibitory Effect Of Sea Cucumber Coelomic Fluid Extracts On White Shrimp Autolysis,
2022
School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034 , China
Inhibitory Effect Of Sea Cucumber Coelomic Fluid Extracts On White Shrimp Autolysis, Nie Bin, Li Ao-Ting, Cui Xiao-Fan, Du Yi-Nan, Yan Jia-Nan, Wu Hai-Tao
Food and Machinery
Objective:In this paper, the inhibition of protein degradation in autolysis of white shrimp (Penaeus vannamei) surimi by extracts from the coelomic fluid of sea cucumber (Stichopus japonicus), a by-product of sea cucumber processing, was studied.Methods:The protein degradation in autolysis of white shrimp was studied by SDS-PAGE assay. Furthermore, the effect of sea cucumber coelomic fluid and its extracts on white shrimp protein degradation was determined by SDS-PAGE and TCA-soluble oligopeptide assay.Results:The optimal conditions of white shrimp autolysis were incubation at pH 3.0, 50 ℃ for 2 h. The bond intensities of myosin heavy chain around …
Differential Analysis Of Volatile Substances In Fresh Gastrodia Elata From Different Varieties And Origin,
2022
Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000 , China ；Shaanxi University of Technology, Shaanxi Key Laboratory of Resource Biology, Hanzhong, Shaanxi 723000 , China ；National Engineering Research Center for Preservation of Agricultural Products in Qinba Area Preservation Workstation, Hanzhong, Shaanxi 723000 , China ；Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C., Hanzhong, Shaanxi 723000 , China ；Qinba State Key Laboratory of Biological Resources and Ecological Environment, Hanzhong, Shaanxi 723000 , China
Differential Analysis Of Volatile Substances In Fresh Gastrodia Elata From Different Varieties And Origin, Sun Hai-Yan, Hao Dan-Qing, Li Xin-Sheng, Jin Wen-Gang
Food and Machinery
Objective:This study aimed to analyze the differences of volatile compounds among fresh Gastrodia elata of different varieties and origins.Methods:Volatile components of fresh G. elata from six origin and three varieties were analyzed by gas chromatography-ion mobility spectrometry (GC-IMS) technology, and quantified and qualitatively from different angles using VOCal and Reporter, Gallery Plot and Dynamic PCA inserts and "nearest neighbor" fingerprint analysis.Results:In this study, a total of 75 kinds of volatile compounds were detected. Among them, 45 kinds of compounds were identified, including 16 aldehydes, 9 esters, 6 alcohols, 5 ketones and 3 acids. Principal component …
Age Detection Of Mature Vinegar Based On Electronic Tongue And Electronic Nose Combined With Densenet-Elm,
2022
School of Computer Science and Technology, Shandong University of Technology, Zibo, Shandong 255049 , China
Age Detection Of Mature Vinegar Based On Electronic Tongue And Electronic Nose Combined With Densenet-Elm, Wang Shou-Cheng, Yu Xue-Ying, Gao Ji-Yong, Wang Zhi-Qiang
Food and Machinery
Objective:In order to realize the rapid detection of the brewing age of mature vinegar.Methods:Electronic tongue (ET) and electronic nose (EN) combined with Densely Connected Convolutional Networks-Extreme Learning Machine (DenseNet-ELM) model were used to quickly detect the brewing age of mature vinegar. Two DenseNet models with different structures, ET-DenseNet and EN-DenseNet, were designed to extract the feature information of the electronic tongue and electronic nose signals respectively. And then the feature level information fusion method was used to obtain the fusion feature vectors of the two artificial sensory devices. Then Extreme Learning Machine (ELM) was used to classify …
Research On Network Food Safety Supervision Strategy Under The Background Of "Internet Plus",
2022
Changjiang Polytechnic, Wuhan, Hubei 430070 , China
Research On Network Food Safety Supervision Strategy Under The Background Of "Internet Plus", Wang Li-Hua
Food and Machinery
Firstly the research background and the current status of online food safety research were introduced, and then the current status and problems of online food supervision were analyzed in this review. Finally, some supervision strategies were proposed in four ways, i.e., the construction of a smart collaborative supervision platform, the reform of supervision organization and power reshaping, the breaking information asymmetry and the strengthening of consumer rights protection.
Beer Filling Precision Control Technology Based On Fuzzy Neural Network,
2022
School of Electrical Engineering, Jilin Technology College of Electronic Information, Jilin, Jilin 132000 , China
Beer Filling Precision Control Technology Based On Fuzzy Neural Network, Liu Wei
Food and Machinery
Objective:Solve the problems of low working efficiency and low filling accuracy of beer filling machine.Methods:The structure and working principle of beer filling machine were analyzed, and the control mode based on the weight deviation of secondary supplementary filling was determined; On the basis of PLC controller, using the characteristics of strong anti-interference ability of fuzzy algorithm and good self-adaptability of neural network algorithm, a PID control strategy based on fuzzy neural network was proposed, and simulation analysis and filling test were carried out.Results:Within the set target range, the maximum deviation of filling weight was only …
Melon Weak Microwave-Assisted Hot Air Drying Characteristics And Mathematical Model,
2022
College of Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China ；Xinjiang Key Laboratory of Post-harvest Science and Technology of Fruit, Urumqi, Xinjiang 830052 , China
Melon Weak Microwave-Assisted Hot Air Drying Characteristics And Mathematical Model, Zhang Jian-Chao, Bai Yu-Jia, Feng Zuo-Shan, Zheng Li-Ping, Dilinur Jakefu
Food and Machinery
Objective:Using Xinjiang melon as raw material, explore melon slices in weak microwave-assisted hot air drying in the process of drying characteristics.Methods:UsingR2,χ2 and RMSE as evaluation indexes, compare melon slices of wet basis moisture content under different conditions, the drying rate, moisture content than the distinction, and melon dry dynamics model was set up, and the drying characteristic curve of melon slices was gotten at different slice thickness, the cycle time of microwave, the hot air cycle time.Results:The thinner the slice, the longer the circulation drying time of microwave and dry hot air, the faster the …
Evaluation Of The Influence Of Pretreatment Methods On The Quality Characteristics Of Okra Hot-Air Drying Based On The Coefficient Of Variation Method,
2022
Luoyang Polytechnic, Luoyang, Henan 471000 , China
Evaluation Of The Influence Of Pretreatment Methods On The Quality Characteristics Of Okra Hot-Air Drying Based On The Coefficient Of Variation Method, Qu Zhan-Ping, Zhang Xiao-Yan, Song Shu-Ya, Zhang Jing-Lin, Liu De-Yang
Food and Machinery
Objective:Improve the quality of dried okra products.Methods:The rehydration ratio, shrinkage rate, vitamin C content, drying time and sensory score were used to analyze the effects of different pretreatment methods on the quality of dried okra products, and the coefficient of variation method was used for comprehensive weighted evaluation.Results:The results showed that blanching and ultrasonic pretreatment can significantly increase the rehydration ratio of the dried sample (P＜0.05). The shrinkage rate was most affected by blanching. The vitamin C content of the pretreatment group was lower than that of the control group, and the ultrasound …
Optimum Parameters And Application Of Buckwheat Noodle Composite Preformed Powder,
2022
Hotel College, Jiangsu Food & Pharmaceutical Science College, Huaian, Jiangsu 223003 , China
Optimum Parameters And Application Of Buckwheat Noodle Composite Preformed Powder, Zhao Min, Yang Bao-Wei, Hu Jian, Wang Rong-Lan
Food and Machinery
Objective:This study aimed to explore the best parameters of buckwheat noodle composite preformed powder.Methods:Single factor experiment, multi-index comprehensiveevaluation method and orthogonal experiment were used to optimize the special composite preformed powder recipe of buckwheat noodles.Results:The best parameters of buckwheat noodle composite preformed powder were 45% of buckwheat flour, 8% of modified starch, 1.2% of compound phosphate and 3% of gluten powder. In this situation, the tensile area of composite flour dough was 3 378.6 g·mm; the stabilization time was 7.23 min, the content of wet gluten was 23.71%; the sensory score was89.2; the comprehensive score …
Evaluation Of Apple Inner Quality Based On Improved Deep Belief Network,
2022
Zhoukou Vocational and Technical College, Zhoukou, Henan 466300 , China
Evaluation Of Apple Inner Quality Based On Improved Deep Belief Network, Hu Chun-Yan, Yu Lai-Hang
Food and Machinery
Objective:In order to resolve a lot of redundant information and low precision of apple internal quality evaluation existed in apple near infrared spectroscopy, improving the precision of apple internal quality evaluation.Methods:A new apple inner quality evaluation model based on deep belief network (DBN) and grey wolf optimization algorithm was proposed. According to the characteristic of high dimension and complexity of apple spectral data, the method of selecting characteristic wavelengths of apple spectral data was determined by comparing the results of selecting characteristic wavelengths of full-band, principal component analysis and continuous projection. The parameters of DBN model were …
Optimization Of Preparation Technology And Antioxidant Activity Of Enzymatic Hydrolysates From Corneum Gigerii Galli Endothelium,
2022
College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642 , China
Optimization Of Preparation Technology And Antioxidant Activity Of Enzymatic Hydrolysates From Corneum Gigerii Galli Endothelium, Zhang Hui-Ying, Yang Wei-Qiao, Chen Yao, Li Pan, Du Bing
Food and Machinery
Objective:In order to study the optimal enzymatic hydrolysis process conditions of corneum galli gigerii endothelium, and analyze the amino acid composition, molecular weight distribution and antioxidant activity of the enzymatic hydrolysate.Methods:With the yield of polypeptide and the degree of hydrolysis as indicators, the orthogonal experiment was used to optimize the enzymatic hydrolysis conditions of corneum galli gigerii endothelium. Amino acid analyzer and high-performance gel permeation chromatography were used to determine the amino acid composition and molecular weight distribution of the enzymatic hydrolysate of corneum galli gigerii endothelium. The clear ability of corneum galli gigerii endothelium to DPPH …
Study On Preparation Of Collagen Peptides From Micropterus Salmoides Skin And Its Antioxidant Activity,
2022
National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Huzhou, Zhejiang 313000 , China ；Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Huzhou, Zhejiang 313000 , China ；Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition of Chinese Academy of Fishery Sciences, Huzhou, Zhejiang 313000 , China ；College of Life Sciences, Huzhou University, Huzhou, Zhejiang 313000 , China
Study On Preparation Of Collagen Peptides From Micropterus Salmoides Skin And Its Antioxidant Activity, Han Meng-Yao, Li Xin-Yue, Wang Xiao-Mei, Wang Guo-Zhi, Ye Jin-Yun, Zhang Zhong-Shan
Food and Machinery
Objective:Collagen was extracted from the skin of Micropterus salmoides and used to explore the effect of enzyme types on the antioxidant activity of collagen peptides.Methods:Four kinds of enzymes were used, namely alkaline protease, neutral protease, papain and trypsin. The enzymatic hydrolysis of collagen Alkaline protease enzymatically hydrolyze collagen peptide (APP), Neutral protease enzymatically hydrolyze collagen peptide (NPP), Papain enzymatically hydrolyze collagen peptide(PP), Trypsin hydrolysis of collagen peptide(TP), were obtained and compared their total antioxidant activity, including reducing activity, DPPH, ·OH and O-2·free radical scavenging ability, ferrous ion chelating ability and lipid Oxidation inhibitory activity.Results:Four kinds …
Effects Of Extraction Methods On The Quality Of Elderberry Seed Oil,
2022
College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355 , China
Effects Of Extraction Methods On The Quality Of Elderberry Seed Oil, Xue Qing, Zhao Hong-Jin, Dai Long, Zhao Wen-Xin, Wang Jun, Zhu Xin-Liang, Gao Peng, Zhang Hong-Meng
Food and Machinery
Objective:This study aimed to compare the effects of different extraction methods including cold pressing extraction, soxhlet extraction and subcritical butane extraction on the yield, physicochemical properties, fatty acid composition and in vitro antioxidant activity of elderberry seed oil.Methods:Elderberry seed oils were extracted from elderberry seed by cold pressing extraction, soxhlet extraction and subcritical butane extraction. The physicochemical parameters and in vitro antioxidant activity of oil were determined with reference to national standards, and the fatty acid composition was analyzed by GC-MS.Results:Among the three extraction methods, the highest oil yield was obtained by subcritical butane extraction …
Application And Risk Analysis Of Food Machinery Lubricants In China,
2022
Ocean University of China, Qingdao, Shandong 266000 , China
Application And Risk Analysis Of Food Machinery Lubricants In China, Guo Jia, Lin Hong
Food and Machinery
The use and cognition of food mechanical lubricants in food processing enterprises in China were investigated. The standards and regulations related to food mechanical lubricants at home and abroad were summarized and compared. And the composition and possible hazards of food mechanical lubricants and common edible oil used for lubrication were preliminarily explored. The necessity and safety feasibility of correct and reasonable use of food grade lubricants in food processing were demonstrated, and suggestions for food enterprises to use food grade lubricants reasonably and legally were put forward.
Effect Of Sulfate Modificate On The Structure And Antioxidant Activity Of Jujube Polysaccharide,
2022
College of Food, Shihezi University, Shihezi, Xinjiang 832000 , China
Effect Of Sulfate Modificate On The Structure And Antioxidant Activity Of Jujube Polysaccharide, Gong Xiao-Pei, Zhang Jian, Guo Xiao-Bin, Mao Xiao-Ying, Zhang Lian-Fu
Food and Machinery
Objective:This study aimed to explore the relationship between the structure and antioxidant activity of purified red date polysaccharide ZJP-1 and sulfated red date polysaccharide S-ZJP-1.Methods:Using remnant jujube as raw material, jujube polysaccharide (ZJP-1) was purified by hot water extraction, and then separated by DEAE-52 ion exchange chromatography and Sephadex-200 dextran gel column chromatography. Thereafter, red jujube polysaccharide sulfated derivative (S-ZJP-1) was obtain through chlorosulfonic acid-pyridine sulfated modification.Results:Both ZJP-1 and S-ZJP-1 are composed of three monosaccharides: glucose, arabinose, and galactose, but the ratios are different. The two polysaccharides had characteristic absorption peaks of polysaccharides, and S-ZJP-1 …
The Influence Of Closed/Open Conditions On The Flavoring Compounds Produced From Tyrosine-Based Maillard Reaction,
2022
The College of Tobacco Science,Henan Agricultural University,Zhengzhou,Henan 450002 ,China
The Influence Of Closed/Open Conditions On The Flavoring Compounds Produced From Tyrosine-Based Maillard Reaction, Yin Xiao-Qing, Li Rui, Pei Qi, Lu Zi-Qi, Zhao Ming-Qin
Food and Machinery
Objective:This article is aimed to explore the influence of closed/open conditions on the flavor compounds of Maillard reaction.Methods:The species and amounts of flavor compounds produced from Tyrosine-based Maillard reactions under closed/open conditions in different solvents and reaction temperatures were determined by GC-MS.Results:The results showed that the species and contents of flavor products are quite different under closed and open conditions. The amounts of alcohol flavor compounds were higher in closed system, while the amount of esters and ketones were higher inopensystem.Conclusion:The amounts of active oxygen and intermediates produced during the reactions likely result …
Analysis Of Kombucha Microflora And The Isolation And Identification Of Dominant Bacteria,
2022
College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457 , China
Analysis Of Kombucha Microflora And The Isolation And Identification Of Dominant Bacteria, Xu Su-Yun, Li Jia-Jia, Fang Wei, Wang Yan-Ping, Geng Wei-Tao
Food and Machinery
Objective:To understand bacterial composition and obtain isolated fermentative strains found in kombucha.Methods:The bacterial composition and dominant strains were analyzed using 16S rDNA high-throughput sequencing technology and traditional microbial culture method.Results:High-throughput sequencing showed that the bacterial community is richer and more diverse than the fungi community. Komagataeibacter,Acetobacter and Lactobacillus were the dominant bacterial strains, while Dekkera and Zygosacchaormyces were the dominant fungal strains. At the same time, 7 strains of acetic acid bacteria, 3 strains of yeast and 1 strain of lactic acid bacteria were isolated by traditional plate culture method, including 1 strain of Komagataeibacter …
Study On Composition Difference And Antioxidant Activity Of Peel And Kernel From Raw And Fried Semen Of Ziziphi Spinosae,
2022
Changchun University of Chinese Medicine, Changchun, Jilin 130117 , China
Study On Composition Difference And Antioxidant Activity Of Peel And Kernel From Raw And Fried Semen Of Ziziphi Spinosae, Xiao Feng-Qin, Liu Hui, Yang Yi-Liu, Yu Qian, Li Jia, Zhang Hong-Yin, Shao Shuai, Li Guang-Zhe, Yan Ming-Ming
Food and Machinery
Objective:This study aimed to reveal the composition differences and antioxidant activities of kernel and peel from raw and fried semen from Ziziphi spinosae.Methods:Using 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical, hydroxyl radical (·OH), superoxide anion radical (O-2·), 2,2'-amino-di (3-ethyl-benzothiazoline-6-sulphonic acid) ammonium salt (ABTS) free radical scavenging ability and ferric reducing antioxidant power (FRAP) to determine the antioxidant activity of peel, kernel and jujube benevolence from different semen. Moreover, the components of peel, kernel and jujube benevolence were also studied by UV spectrophotometer.Results:The results showed that the peel, kernel, and jujube benevolence of all the semen had certain antioxidant …
Determination Of Anilazine In Rape And Rapeseed By Lc-Ms/Ms,
2022
Shanghai Bino Testing Service Co., Ltd., Shanghai 201114 , China
Determination Of Anilazine In Rape And Rapeseed By Lc-Ms/Ms, Dou Yin-Hua
Food and Machinery
Objective:A detection method was developed for benazolin residual in rape and rapeseed by High performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS).Methods:The rape and rapeseed were extracted with acetonitrile reagent, purified by Pesti Carb-NH2, separated by C18 column, carried out with methanol-ammonium acetate aqueous solution, detected by HPLC-MS/MS.Results:The liner relation was good in the ranger of 0.01~1.00 μg/mL, and the coefficient of determination was 0.999, the limit of detection(LOD) was 0.008 mg/kg, with the limit of quantification (LOQ) of 0.027 mg/kg. At the spiking levels of 0.03, 0.06, 0.15 mg/kg, the recovery rate of the method …
Rapid Determination Of Erythrosine In Beverages By Uplc,
2022
Beijing Dongcheng District Center for Disease Control and Prevention, Beijing 100009 , China
Rapid Determination Of Erythrosine In Beverages By Uplc, Xie Sai
Food and Machinery
Objective:In order to develop a method, an easy handling of samples and accurate and rapid detection of erythrosine by ultra-high performance liquid chromatography (UPLC) was established.Methods:The analysis was as follows: chromatographic column of ACQUITY UPLC BEH C18(100 mm×2.1 mm,1.7 μm), diode array detector with detection wavelength at 530 nm, column temperature at 40 ℃, mobile phase with acetonitrile and0.02 mol/Lammonium acetate solution (acetic acid to adjust pH 6.25), gradient elution including acetonitrile 0 min-5%, 2 min-25%, 3 min-45%,6 min-70%, 6.5 min-5% and 8 min-5%, flow rate at0.3 mL/min, and with injection volume of 5 μL. …
