Ultrasound-Assisted Extraction And Antioxidant Study Of Crude Polysaccharide From Agrocybe Praecox,
2023
College of Biodiversity Conservation, Southwest Forestry University, Kunming, Yunnan 650224, China;Institute of Agricultural Product Processing, Hunan Academy of Agricultural Sciences, Changsha, Hunan 410125, China
Ultrasound-Assisted Extraction And Antioxidant Study Of Crude Polysaccharide From Agrocybe Praecox, Han Xiaolei, Lu Huiying, Liang Jueqin, Fan Wei, Liu Tao, Huang Zhiqun, Yang Guoshun, Xiong Zhi
Food and Machinery
Objective: In order to explore the extraction method and antioxidant activity of crude polysaccharide from edible fungus resources of reed. Methods: The characteristic Agrocybe praecox of reed edible fungus of Dongting Lake District was used as raw material, the extraction rate of polysaccharide was used as the index, and the extraction was carried out by ultrasonic-assisted hot water alcohol precipitation method. After taking the liquid-material ratio, ultrasonic extraction time, ultrasonic extraction power, hot water extraction temperature, hot water extraction time as the factors to finish the single factor experiments. Then the experiments was optimized by Box-Behnken center combined experimental design …
Research On Brewing Technology Of Bran Sauce Baijiu And Trace Composition Analysis,
2023
College of Food Engineering, Qingdao Institute of Technology, Qingdao, Shandong 266300, China
Research On Brewing Technology Of Bran Sauce Baijiu And Trace Composition Analysis, Li Mingzhu, Li Yuanjie, Hou Xiaolin, Feng Jinxiao
Food and Machinery
Objective: The brewing process and product characteristics of bran sauce Baijiu starters was studied by replacing part of Daqu with bran koji. Methods: Taking sensory score value and alcohol content of wine as evaluation indexes, the effects of wheat ratio, yeast addition and amount of bran koji addition on the quality of bran sauce Baijiu were studied by univariate experiment. The brewing process of bran sauce Baijiu was optimized by response surface optimization experiment, and the trace components of liquor were analyzed by liquid chromatography. Results: The ratio of wheat in feeding quantity was 16.0%, the addition amount of sorghum …
Study On Ultrasonic Assisted Enzymatic Extraction Of Grass Carp Visceral Oil And Analysis Of Its Fatty Acid Composition,
2023
Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, China
Study On Ultrasonic Assisted Enzymatic Extraction Of Grass Carp Visceral Oil And Analysis Of Its Fatty Acid Composition, Wang Zhengyun, Liu Zixiao, Zhan Yueping
Food and Machinery
Objective: This study aimed to optimize the extraction process of visceral fish oil from grass carp. Methods: Using grass carp viscera as raw material, fish oil was extracted by using ultrasonic assisted enzyme method. The effects of enzyme type, enzyme addition amount, enzymatic hydrolysis time, enzymatic hydrolysis temperature, ultrasonic treatment time, and ultrasonic treatment power on the extraction rate of fish oil were investigated. Results: The optimal process conditions for ultrasonic assisted enzymatic extraction of fish oil were neutral protease hydrolysis, enzyme addition of 2.5%, enzymatic hydrolysis time of 2 hours, enzymatic hydrolysis temperature of 45 ℃, ultrasonic treatment power …
Research Progress On The Flow Characteristics Of Secondary Refrigerants And Application Progress In Aquatic Products Storage And Preservation System,
2023
College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China;Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Hangzhou, Zhejiang 310014, China;National R & D Branch Center for Pelagic Aquatic Products Processing 〔Hangzhou〕, Hangzhou, Zhejiang 310014, China
Research Progress On The Flow Characteristics Of Secondary Refrigerants And Application Progress In Aquatic Products Storage And Preservation System, Xu Xia, Xu Mengyi, Yu Zhou, Zhou Xuxia, Ding Yuting
Food and Machinery
The secondary refrigerant is an intermediate medium for transferring cold capacity, which can improved refrigeration efficiency. In this paper, the classification and characteristics of secondary refrigerants are introduced, and discusses the flow characteristics of secondary refrigerants and the apparent viscosity changes and flow resistance characteristics during the flow of secondary refrigerants. In addition, the application of different types of secondary refrigerants in aquatic product preservation and storage system is also discussed, among which non-phase change secondary refrigerant is mainly used in food impregnation and freezing. The phase change material refrigerant is mainly used in cold storage and refrigerating truck of …
Research Progress On The Effect Of Whole Grain Components On Flour Product Qualities And Processing Characteristics,
2023
Chaoyang Teachers College, Chaoyang, Liaoning 122000, China
Research Progress On The Effect Of Whole Grain Components On Flour Product Qualities And Processing Characteristics, Shao Yulan, Sun Chenghang, Hu Bingbing
Food and Machinery
In this review, the effects of starch, protein, oil, polyphenols and other components in whole grains on the processing characteristics of dough and the quality of flour products were introduced, and problems and improvement measures of whole grain flour products were analyzed, in order to provide references for the research of whole grain flour products.
Research Progress On Constituent Structure And Extraction Technique Of The Polysaccharide From Agaricus Blazei,
2023
Institute of Agricultural Products Processing, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
Research Progress On Constituent Structure And Extraction Technique Of The Polysaccharide From Agaricus Blazei, Cui Guomei, Liu Lina, Tian Guangrui, Li Shunfeng, Xu Fangfang, Wang Anjian
Food and Machinery
The composition, structure and functional properties of Agaricus blazei polysaccharide were summarized. The extraction techniques of polysaccharides and the features of different extraction methods were enumerated and compared. The problems in the research of A. blazei was discussed， such as unsystematic basic research, immature technological conditions, imperfect equipment and facilities, and low degree of specificity in seeds. In the end，the research direction of A. blazei polysaccharide was prospected.
Nutrition, Allergenicity And Physicochemical Qualities Of Food-Grade Protein Extracts From Nannochloropsis Oculata,
2023
Edith Cowan University
Nutrition, Allergenicity And Physicochemical Qualities Of Food-Grade Protein Extracts From Nannochloropsis Oculata, Sara Hamzelou, Damien Belobrajdic, Angéla Juhász, Henri Brook, Utpal Bose, Michelle L. Colgrave, James A. Broadbent
Research outputs 2022 to 2026
Microalgae offer an opportunity to act as a sustainable source of dietary protein. This study aimed to evaluate the impact of different protein extraction methods on the nutritional and physicochemical properties of Nannochloropsis oculata. Food-grade protein extracts were obtained by hypotonic osmotic shock using milli-Q water. Food grade (FG) and non-food grade (NFG) extraction buffers were compared along with three cell disruption methods including bead beating, probe sonication and a combination of both methods for protein extraction. Mass spectrometry was used for protein and putative allergen identification in FG extracts. Bead beating led to a slightly higher number of identifiable …
Research Progress Of Food Packaging Defect Detection Based On Machine Vision,
2023
Information Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China;Zhejiang Academy of Agricultural Sciences, Institute of Food Research, Hangzhou, Zhejiang 310022, China
Research Progress Of Food Packaging Defect Detection Based On Machine Vision, Ge Minghui, Zhang Jun, Lu Huijuan
Food and Machinery
Food packaging can develop defects during the production process due to various factors. The types of packaging defects are numerous with complex background. Machine vision detection, which uses visual imaging and computer information processing to complete tasks such as identification, detection, and measurement of packaging, has faster execution speed and higher accuracy compared to traditional manual inspection. This can significantly improve the degree of production automation. This article analyzes the common defects in food packaging and their causes, introduces traditional machine vision detection algorithms, and explores the research application of deep learning algorithms in food packaging defect detection. It also …
Tomato Surface Defect Detection Method Based On Image Local Variance Considering Brightness Correction,
2023
Shanxi Agricultural University, Taigu, Shanxi 030801, China;Intelligent Equipment Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
Tomato Surface Defect Detection Method Based On Image Local Variance Considering Brightness Correction, He Tingting, Yao Jichao, Zhang Zhonglili, Lu Tiangang, Yue Huanfang
Food and Machinery
Objective: In order to solve the problem of inaccurate defect extraction caused by complex and variable color and irregular texture changes of tomato surface defects, the defect segmentation method based on image local variance with brightness correction was proposed. Methods: On the basis of using histogram threshold segmentation method to segment calyx and stem scar and the method of domain pixel weighted sum to replace the original pixel to complete the brightness correction, the gray image of tomato surface was divided into several image blocks, and the color of each block was characterized by image pixel variance, and then the …
Quality And Consumer Acceptance Of Shrimp Nuggets As Affected By Shrimp Shell Powder Addition,
2023
Louisiana State University and Agricultural and Mechanical College
Quality And Consumer Acceptance Of Shrimp Nuggets As Affected By Shrimp Shell Powder Addition, Jorge Ortega
LSU Master's Theses
Approximately 6 million tons of shrimp are produced annually. However, about 45% of shrimp is discarded as waste (shell/head portions). This waste represents both environmental and economic challenges. This study was performed to explore the potential of utilizing shrimp shell powder (SSP) as a sustainable ingredient in shrimp nuggets. To determine the optimal SSP inclusion levels, a preliminary study involving 35 panelists who participated in two sessions was conducted to determine a Consumer Rejection-Tolerance-Threshold (RTT) using a probit-regression model (α=0.05, GENMOD procedure, SAS software). Rejection-Range (RR) was determined at 95% fiducial limits, which yielded the maximum acceptable %SSP. Subsequently, 105 …
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms,
2023
Quality Inspection Institute of Quanzhou, Quanzhou, Fujian 362000, China
Simultaneous Determination Of 6 Pesticide Residues In Tea By Quechers-Gs-Ms/Ms, Wu Han-Bin
Food and Machinery
Objective: This study aimed to establish a method by using QuEChERS-gas chromatography tandem mass spectrometry (GC-MS/MS), to determine six pesticide residues in tea, including: hydroprene, kinoprene, genite, fluronitrofen, cycloprate, and chlornitrofen. Methods: The samples were pretreated by QuEChERS method. They were separated by gas chromatographic, detected by multiple reaction monitoring (MRM) mode and quantified by the external method. Results: All the pesticide residues showed good linearity with correlation coefficients above 0.999 when the concentration falls in the range 0.025~2.000 mg/kg, and the limits of quantitation were in the range of 0.000 6 ~0.007 2 mg/kg. In the recovery experiment of …
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms,
2023
Hunan Provincial Institute of Product and Goods Quality Inspection, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha, Hunan 410117, China
Simultaneous Determination Of 80 Veterinary Drug Residues In Chicken By Quechers-Uplc-Ms/Ms, Li Hong, Xiang Jun, Li Dan, Li Li-Juan, He Qing-Ke
Food and Machinery
Objective: This study aimed to establish a method for the simultaneous determination of 80 veterinary drugs including quinolones, sulfonamides, receptor agonists, glucocorticoids, macrolides, tetracyclines, antiviral drugs in chicken by QuEChERS - ultra high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS）. Methods: The samples were extracted by 1% formic acid acetonitrile aqueous solution, purified by QuEChERS multi-veterinary drug residue purification column, detected by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS） multi-reaction monitoring mode, and quantified by matrix standard curve external standard method. Results: The results showed that 80 kinds of veterinary drugs were highly responsive under specific mass spectrometry conditions, and the …
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China,
2023
School of Law, Sichuan University of Science and Engineering, Zigong, Sichuan 643000, China
Optimization Approaches To Legal Supervision Of Import And Export Food Safety In China, Chen He-Fang
Food and Machinery
At present, China has preliminarily established a food safety supervision system for imports and exports, with the current 21 year Food Safety Law as the basic law and the inspection and quarantine department as the main regulatory body. However, there are still problems such as low food safety standards, low management and technical level of regulatory departments, and lack of necessary coordination with major trading partners. In this regard, we can optimize and construct the legal supervision of China's import and export food safety from the dimensions of building scientific food safety standards that are in line with international standards, …
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang,
2023
School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China;Xinjiang Key Laboratory of Fruit Post-harvest Science and Technology, Urumqi, Xinjiang 830052, China
Effect Of Water Content On The Growth Of A. Flavus And Aflatoxin M1 Accumulation During Storage Of Fresh Walnut In Xinjiang, Wang Yuan-Meng, Bai Yu-Jia, Feng Zuo-Shan, Cheng Huan
Food and Machinery
Objective: To improve the storage safety of Xinjiang fresh walnut. Methods: Xinjiang "Xin 2" thin-skinned walnut was used as material, sterile water was inoculated as a control group, and Aspergillus flavus was inoculated as an experimental group. The Aspergillus flavus isolated and purified from naturally moldy walnut was artificially inoculated into Xinjiang thin-skinned fresh walnut with different water content （10%, 15%, 20%, 25%, 30%） to investigate the growth and toxicity of Aspergillus flavus. Results: The water content of walnut which was suitable for the growth of Aspergillus flavus and the secretion of Aflatoxin M1 was 15%. With the …
Research On Apple Defect Detection Method Based On Improved Cnn,
2023
Henan Vocational College of Nursing, Anyang, Henan 455000, China
Research On Apple Defect Detection Method Based On Improved Cnn, Du Guo-Zhen, Lu Ming-Xing, Ji Ze-Xu, Liu Ji-Chao
Food and Machinery
Objective: To solve the problems of low accuracy and poor efficiency in existing apple defect detection methods. Methods: Based on a fruit image acquisition system, an improved convolutional neural network was proposed for detecting surface defects in apples. Deep separable convolution was Introduced to replace the original network standard convolution, to improve the speed of feature extraction. The Leaky ReLU activation function was introduced to replace the ReLU activation function to improve the calculation efficiency and accuracy. Global average pooling was introduced to replace the fully connected layer, to reduce the computational complexity of the network model. After each layer …
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol,
2023
College of Food Science and Engineering, Northwest A&F University, Xianyang, Shaanxi 712100, China
Inhibition Of Psoriasis-Like Inflammation In Mice By Sesamol, Chen Xue, Liu Xue-Bo, Wang Yu-Xuan
Food and Machinery
Objective: This study aimed to explore the improvement effect of sesamol on skin lesions caused by psoriasis. Methods: The psoriasis model was constructed by using 5% imiquimod cream applied to the backs of mice for seven consecutive days, with sesamol intervention used from one week before to the end of modelling to explore the protective effect of sesamol on the skin. Then, observed and measured skin thickness, PASI score, spleen index, pathological tissue sections, cytokines (IL-17, IL-23, TNF-α and other inflammatory factors and chemokines like CXCL1 and CCL20), and inflammatory factors (IL-17, TNF-α) in plasma of mice …
Research Progress On Physicochemical Properties And Biological Activity Of Theabrownin,
2023
Yunnan TAETEA Microbial Technology Co., Ltd., Kunming, Yunnan 650217, China;Fermentation Engineering Research Center for Yunnan Pu-erh Tea, Kunming, Yunnan 650217, China
Research Progress On Physicochemical Properties And Biological Activity Of Theabrownin, Dai Li-Feng, Jiang Jie-Lin, Guan Xing-Li, Zou Xiao-Lin, Fu Zong-Lin, Luo Sai, Yang Zhi
Food and Machinery
Theabrownin, a kind of water-soluble, non-dialysable, highly polymerised brown substance, mainly composed of polyphenol, polysaccharide, protein and nucleic acid, which is closely related to the color and functional activity of fermented tea. Due to the complexity of the formation mechanism, its chemical structure is still unclear. In this review, the structural characteristics, formation mechanism, extraction and detection methods, and functional activity of theophylcin were discussed, and the future research direction was also prospected.
Research On The Characteristics And Application Of Food Materials In Food 3d Printing,
2023
College of Mechanical Engineering and Automation, Dalian Polytechnic University, Dalian, Liaoning 116034, China
Research On The Characteristics And Application Of Food Materials In Food 3d Printing, Tong Qiang, Jiang Yu, Tong Yao, Meng Yu-Xiang, Dong Xiu-Ping
Food and Machinery
Food material is the key factor of food 3D printing. This review summarized the characteristics of food materials (protein, starch, hydrogel and fat) commonly used in food 3D printing at present, analyzed the influence of different material combinations on the forming performance. Moreover, suggestions on how to improve the printing effect of difficult printing materials were also provided, and the technical bottleneck of food materials development faced in food 3D printing nowadays were noticed. Finally, the direction of food 3D printing technology in the future was prospected.
Effects Of Dynamic High-Pressure Processing On Bioactive Components Of Milk,
2023
State Key Laboratory of Dairy Biotechnology, Shanghai 200436, China;Shanghai Engineering Research Center of Dairy Biotechnology, Shanghai 200436, China;Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China
Effects Of Dynamic High-Pressure Processing On Bioactive Components Of Milk, Ai Zheng-Wen, Xu Zhi-Yuan, Ye Jing-Jin
Food and Machinery
Milk contains a variety of bioactive ingredients, such as lactoferrin and immunoglobulin, which are beneficial to health. Reducing the loss of these proteins during processing has always been the focus of attention. Dynamic high-pressure processing technology, also known as ultra-high-pressure homogenization (UHPH), is one of the relatively novel processing technology means. In this review, the research progress of the heat load intensity and the retention of key nutrients in the processing of dairy products were summarized from the aspects of Maillard reaction products, lactoferrin, immunoglobulin and other bioactive ingredients and vitamin loss. Moreover, the development direction of ultra-high-pressure homogenization in …
Effects Of Addition Amounts Of Crosslinker And Etherifying Agent On Properties Of Modified Waxy Corn Starch,
2023
Zhucheng XingMao Corn Development Co., Ltd., Zhucheng, Shandong 262218, China;School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510641, China;School of Food Science and Engineering, Qilu University of Technology, Jinan, Shandong 250353, China
Effects Of Addition Amounts Of Crosslinker And Etherifying Agent On Properties Of Modified Waxy Corn Starch, Zhao Hai-Bo, Sun Chun-Rui, Wang Jin-Peng, Cui Bo, Cheng Yun-Hui, Chen Ling, Zhang Gui-Ming, Xu Ning
Food and Machinery
Objective: This study aimed to control the degree of crosslinking and etherification in the preparation process of crosslinked hydroxypropyl starch and improve the product performance. Methods: Waxy corn starch was used as a raw material to prepare the composite modified starch （hydroxypropyl distarch phosphate, HDP） under alkaline conditions, during which process sodium trimetaphosphate （STMP） and propylene oxide （PO） was used as the cross-linker and etherifying agent, respectively. The effects of the addition level of STMP and PO on the properties of the Brabender viscosity behavior, transparency and freeze-thaw stability of waxy corn starch were investigated. Results: Combined with the preliminary …
