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Articles 541 - 570 of 4889
Full-Text Articles in Food Processing
Effects Of Different Growth Patterns On Nutritional Quality Of Nostoc Commune, Xie Jie-Fei, Wang Chao, Deng Zhong-Yang
Effects Of Different Growth Patterns On Nutritional Quality Of Nostoc Commune, Xie Jie-Fei, Wang Chao, Deng Zhong-Yang
Food and Machinery
Objective: Replacing wild resources with artificially cultivated Nostoc commune to protect the natural environment. Methods: Compare the biochemical composition, texture characteristics, and sensory evaluation of indoor, outdoor cultivation and wild N. commune, while using outdoor cultivation of Nostoc sphaeroides as a control in the above three aspects. Results: The ratio of dry weight to wet weight of wild N. commune was the largest （2.42%）, and its hardness and elasticity were the highest, which were 1.184 N and 78.5%, respectively. The content of phycoerythrin and polysaccharide of outdoor N. commune were the lowest, which were 0.19% and 24.45%, respectively. The …
Study On The Effects Of Adding Konjac Refined Flour On The Quality Of Fresh Wet Rice Noodle, Gong Xue, Xie Song-Feng, Xia Zeng-Run, Wang Ai-Xia, Tong Li-Tao
Study On The Effects Of Adding Konjac Refined Flour On The Quality Of Fresh Wet Rice Noodle, Gong Xue, Xie Song-Feng, Xia Zeng-Run, Wang Ai-Xia, Tong Li-Tao
Food and Machinery
Objective: This study aimed to develop konjac rice noodles products with low glycemic index. Methods: The fresh wet rice noodles was made by adding 20%, 10% and 5% konjac refined flour into rice noodles, respectively. The effects of the addition of konjac refined flour on the texture, cooking performance, and sensory quality of rice noodles were studied by texture analyzer and rapid viscosity analyzer. The starch hydrolysis rate, digestion rate, and glycemic index of konjac rice noodles were studied by in vitro digestion model. Results: The cooking loss rate and turbidity of 5% konjac rice noodles were significantly reduced, and …
Optimization Of The Processing Parameters Of Shiitake （Lentinus Edodes） Crisps During Heat Pump Coupled With Instant Controlled Pressure Drop Puffing Drying Process, Zhao Ya, Zhang Yue-Xiang, Xu Yan, Shi Qi-Long
Optimization Of The Processing Parameters Of Shiitake （Lentinus Edodes） Crisps During Heat Pump Coupled With Instant Controlled Pressure Drop Puffing Drying Process, Zhao Ya, Zhang Yue-Xiang, Xu Yan, Shi Qi-Long
Food and Machinery
Objective: The objective of this study was to develop high-quality non-fried whole shiitake (Lentinus edodes) crisps due to having high oil content of vacuum fried L. edodes crisps which inevitably pose health risks after long-term use. Methods: Based on uniform design, instant controlled pressure drop (DIC) was used to investigate the influences of moisture content after heat pump pre-drying, puffing temperature and vacuum drying temperature on the puffing degree, rehydration ratio, total color difference, hardness and crispness of L. edodes crisps. The polynomial regression model was established by using a weighted comprehensive score method, and it was optimized …
Preparation Of Ppi-Ta-Md Microcapsules By Pickering Emulsion Method And Its Effect On Oxidation Stability Of Pumpkin Seed Oil, Zhuang Hu, Yang Xiao-Fan, Liu Xin-Le, Lei Yu-Qing, Li Shu-Gang
Preparation Of Ppi-Ta-Md Microcapsules By Pickering Emulsion Method And Its Effect On Oxidation Stability Of Pumpkin Seed Oil, Zhuang Hu, Yang Xiao-Fan, Liu Xin-Le, Lei Yu-Qing, Li Shu-Gang
Food and Machinery
Objective: This study aimed to improve the oxidation, exploitation, and utilization of pumpkin seed oil (PSO). Methods: Pea protein isolate (PPI) -Tannic acid (TA) stabilized Pickering emulsion with Maltodextrin (MD) was used as the filling material, and prepared pumpkin seed oil microcapsules by spray drying. Results: After spray drying the Pickering emulsion, the smooth surface of the medium shell structure of microcapsule powder can be obtained. By increasing TA concentration, microcapsules showed smaller particle size [(32.00±0.28) μm], lower moisture content [(1.970±0.043)%], and higher bulk density [（0.725±0.014) g/cm3]. The FFA release rate of pumpkin seed oil microcapsules with different …
Effects Of Dynamic High-Pressure Processing On Bioactive Components Of Milk, Ai Zheng-Wen, Xu Zhi-Yuan, Ye Jing-Jin
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 …
Structure, Working Principle And Application Of Mechanical Shell Breaker, He Ting, Zhang Rui, Ren Guang-Yue, Duan Xu, Li Cai-Yun, Li Ya-Chun
Structure, Working Principle And Application Of Mechanical Shell Breaker, He Ting, Zhang Rui, Ren Guang-Yue, Duan Xu, Li Cai-Yun, Li Ya-Chun
Food and Machinery
Shelling rate and kernel breaking rate are the two key indicators of shelled materials, and mechanical shelling is one of the important methods to improve these key indicators. In this paper, the common mechanical shelling methods, mechanical shelling types, mechanical shelling principles and development status of shelling materials were analyzed. The advantages and disadvantages of mechanical hulling equipment were summarized, and suggestions were made for the problems existing in the current application of mechanical hulling.
Research Progress Of Polyphenols In Edible Plant Enzymes, Yin Xiao-Qing, Wen Hua-Ying, Zhang Yu-Hong, Bai Ting, Wang Shan-Shan
Research Progress Of Polyphenols In Edible Plant Enzymes, Yin Xiao-Qing, Wen Hua-Ying, Zhang Yu-Hong, Bai Ting, Wang Shan-Shan
Food and Machinery
Polyphenol is one of the characteristic physical and chemical indexes of edible plant enzyme, which has the effects of anti-oxidation, reducing fat and anti-tumor. This paper reviews the composition of polyphenols in food plant enzyme products, the factors affecting the formation of polyphenols in food plant enzyme products, the health care effects of polyphenols, and the further research directions of polyphenols in edible plant enzymes are also prospected.
Advances In Non-Thermal Treatment Techniques To Control Yogurt Post-Acidification, Niu Yu-Qin, Wang Chen-Yuan, Zhao Pei, Li Shu-Sen, Liu Ju-Long, Sun Er-Na, Wu Zi-Jian
Advances In Non-Thermal Treatment Techniques To Control Yogurt Post-Acidification, Niu Yu-Qin, Wang Chen-Yuan, Zhao Pei, Li Shu-Sen, Liu Ju-Long, Sun Er-Na, Wu Zi-Jian
Food and Machinery
Post-acidification is one of the most important factors affecting the sensory quality, flavor characteristics and stability of yogurt during shelf-life. Non-thermal treatments are novel methods to control post-acidification, which can maintain the original nutritional properties and sensory quality of food to the maximum extent. In this paper, the mechanism of post-acidification of lactic acid bacteria was reviewed. The mechanism and recent research progress of non-heat treatment processes such as ultra-high pressure, ultrasound, pulsed electric field, CO2 treatment, irradiation were analyzed and provided theoretical guidance for the development and industrial application of non-heat acid control technology.
The Bitterness Inhibition Effect Of Ferulic Acid And Its Phenyl Ring Substituted Derivatives On Branched Chain Amino Acids, Wang Hao, Li Jiaxing, Zheng Jianxian
The Bitterness Inhibition Effect Of Ferulic Acid And Its Phenyl Ring Substituted Derivatives On Branched Chain Amino Acids, Wang Hao, Li Jiaxing, Zheng Jianxian
Food and Machinery
Objective: This study aimed to explore the effect of group changes at the third position of the benzene ring of ferulic acid （FA） on the bitterness inhibition effect of branched chain amino acids and their flavor characteristics. Methods: FA and its phenyl ring substituted derivatives were synthesized and their structures were identified by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, and mass spectrometry. The electronic tongue test was used to evaluate the improvement in the bitter taste of branched-chain amino acids by FA and its derivatives, including bitterness inhibition rate, self-flavor, and the effect on other tastes. Results: The …
Effects Of Microbubbles Technology On The Thermal Stability And Quality Of Crystallized Honey, Kuang Xinyi, Cui Zhengwei, Yu Fumin, Li Li
Effects Of Microbubbles Technology On The Thermal Stability And Quality Of Crystallized Honey, Kuang Xinyi, Cui Zhengwei, Yu Fumin, Li Li
Food and Machinery
Objective： To obtain excellent sensory and shelf life of crystallized honey. Methods： The process parameters of microbubble crystallized honey were prepared by mechanical stirring on laboratory scale. The physical properties of crystallized honey were changed by filling microbubble, and its thermal stability and physical properties were investigated. Results： For 200 g honey the optimized aerated parameters were as follows: the speed of the mixer, 2 600 r/min; the inflatable bubble time, 5 min; and the inlet flow rate, 6 L/min. The thermal stability time of the current improved product at 35 ℃ was increased by 41.51%, and while the hardness …
Plasma Assisted Ultrasonic-Assisted Extraction Of Chitin From Crayfish Shell By Weak Acid And Weak Base Method, Ding Zijun, Li Jinlin, Fu Yingfei, Zhang Qiuxia, Mao Yiying, Wang Wei, Peng Bin, Tu Zongcai, Zhou Yan
Plasma Assisted Ultrasonic-Assisted Extraction Of Chitin From Crayfish Shell By Weak Acid And Weak Base Method, Ding Zijun, Li Jinlin, Fu Yingfei, Zhang Qiuxia, Mao Yiying, Wang Wei, Peng Bin, Tu Zongcai, Zhou Yan
Food and Machinery
Objective: To explore a green and efficient method for extracting chitin. Methods: The crayfish shells were crushed through three mesh sieves to obtain the raw material. Utilizing ultrasonic wave and citric acid and urea to remove calcium and protein from the sample, decolorize it with hydrogen peroxide, filter it, and then dry it to produce chitin products. The particle size of the chitin sample was analyzed by laser scattering particle size distribution analyzer. Infrared absorption characteristics were measured by an infrared spectrometer. Scanning electron microscopy was used to observe the apparent structure of the sample. Results: It was shown that …
Amino Acid Characteristics And Nutritional Evaluation Of Flammulina Filiformis Protoplast Hybrid Strains, Lu Huan, Liu Jianyu, Shang Xiaodong, Yang Hui, Wu Yansha, Wang Ruijuan
Amino Acid Characteristics And Nutritional Evaluation Of Flammulina Filiformis Protoplast Hybrid Strains, Lu Huan, Liu Jianyu, Shang Xiaodong, Yang Hui, Wu Yansha, Wang Ruijuan
Food and Machinery
Objective: This study aimed to investigate the quality differences among different hybrid enoki mushrooms （Flammulina filiformis） strains and breed new strains with high quality. Methods: Two different protoplast monocytes of yellow enoki mushrooms Fv1923 were used as one of the parents to cross with 6 enoki mushrooms protoplasts （2 yellow and 4 white strains）, and a total of 12 yellow hybrid strains were obtained. Principal component analysis and cluster analysis were used to evaluate the free amino acids of 12 hybrid strains, and the flavor diversity of different protoplast hybrid strains was also evaluated. Results: The average contents …
Mechanism Of Interaction Between Composite Ga/Egcg And Heat-Denatured Whey Protein By Fluorescence Quenching, Lin Jinou, Cao Yanyun, Han Jianzhong
Mechanism Of Interaction Between Composite Ga/Egcg And Heat-Denatured Whey Protein By Fluorescence Quenching, Lin Jinou, Cao Yanyun, Han Jianzhong
Food and Machinery
Objective: This study aimed to develop a new carrier system for food functional factors that can effectively regulate the release characteristics during processing, transportation, and storage. Methods: The interaction mechanism between gallic acid （GA） and epigallocatechin gallate （EGCG）, which were combined at different molar ratios （1∶0, 3∶1, 1∶1, 1∶3, 0∶1）, with heat-denatured whey protein isolate （HWPI） was investigated at various temperatures （298.2, 304.2, 310.2 K） using a fluorescence quenching method. Results: The results showed that compared with GA, EGCG had a stronger affinity for HWPI, and when they coexisted, they inhibited each other's binding to HWPI, resulting in decreased binding …
Effects Of Alkali-Heat-Modified Rice Residue Glutenin On Stability Of W/O/W Double Emulsions, Guo Yuanbo, Xue Jing, Zhang Cheng, Wang Zhixiao, Fu Xiangjin, Long Zhao
Effects Of Alkali-Heat-Modified Rice Residue Glutenin On Stability Of W/O/W Double Emulsions, Guo Yuanbo, Xue Jing, Zhang Cheng, Wang Zhixiao, Fu Xiangjin, Long Zhao
Food and Machinery
Objective: To achieve the application of rice dreg glutelin in emulsions system. Methods: This paper selected alkali-heat modified rice dregs glutenin and span80 as emulsifiers to prepare W/O/W double emulsions by one-step emulsification method, and investigated the effect of protein concentration on the stability of double emulsions to provide the theoretical reference for the preparation of stable double emulsions by one-step emulsification. Results: When the protein mass fraction increased from 0.5% to 2.5%, the large particle size peak disappears in emulsion, the apparent viscosity and viscoelasticity of emulsions were improved, the centrifugal stability and storage stability were enhanced, enhanced dual …
Synthesis Of Reduced Graphene Oxide-Gold Composite Nanomaterials With High Sers Activity And Application Of Ofloxacin Detection, Cheng Xinlei, Yang Wuying, Du Juan
Synthesis Of Reduced Graphene Oxide-Gold Composite Nanomaterials With High Sers Activity And Application Of Ofloxacin Detection, Cheng Xinlei, Yang Wuying, Du Juan
Food and Machinery
Objective: This study provided a new research direction for the detection of ofloxacin content. Methods: Using biomass reduction method to formulate a reduced graphene oxide-gold composite nanomaterials (rGO-AuNPs) , which had high surface enhanced Raman scattering (SERS) activity. The successful synthesis of rGO-AuNPs was demonstrated by ultraviolet visible spectroscopy, transmission electron microscopy and scanning electron microscopy, respectively. The Raman enhancement factor (EF) of rGO-AuNPs was measured and calculated. Based on the SERS hot spot effect and the specific binding ability of nucleic acid aptamer, ofloxacin content detection system was established, the detection conditions were optimized, the standard curve was established, …
Residue Analysis And Security Judgement Of Parathion-Methyl And Parathion Residues In Tea, Chen Yantong, Li Jie, Li Huan, Tan Jun
Residue Analysis And Security Judgement Of Parathion-Methyl And Parathion Residues In Tea, Chen Yantong, Li Jie, Li Huan, Tan Jun
Food and Machinery
Objective： To detect the level of parathion-methyl and parathion residues in different types of tea by high pressure liquid chromatography coupled with matrix solid phase dispersion. Methods： Before determined by high pressure liquid chromatography （HPLC）, the tea samples were pretreated by matrix solid phase dispersion method grinding with neutral alumina as dispersant and eluting by ethyl acetate: n-hexane （8%）. Results： The results showed that this method was simple, rapid and accurate, with good linearity （0.999 6 for parathion-methyl and 0.999 5 for parathion）, low detection limits （0.015, 0.006 mg/kg, respectively） and high recoveries （90.67% and 86.67%, respectively）. Incidence of parathion-methyl …
A Method For On-Site And Rapid Detection Of Trace Cadmium In Rice Based On Colloidal Goldlateral Chromatography, Wang Ranran, Yao Li, Yao Bangben, Chen Wei, Chen Zhaoran
A Method For On-Site And Rapid Detection Of Trace Cadmium In Rice Based On Colloidal Goldlateral Chromatography, Wang Ranran, Yao Li, Yao Bangben, Chen Wei, Chen Zhaoran
Food and Machinery
Objective： A colloidal gold test strip method that can achieve on-site and rapid detection of cadmium elements in rice was established. Methods： Based on lateral immunochromatographic technology, the colloidal gold test strip was systematically optimized for a series of parameters that affect the detection performance. Results： The visual detection limit of cadmium in rice was reached at 10 ng/g with the colloidal gold test strip. In practical applications, the sample pretreatment process is simple, low concentration acid can be directly extracted and diluted for test strip detection. Conclusion: The colloidal gold test strip was suitable for on-site rapid screening ofcadmium …
Determination Of Four Arsenic Species In Aquatic Products By Liquid Chromatography-Atomic Fluorescence Spectrometry, Liu Zhenghua, Li Zhonghai
Determination Of Four Arsenic Species In Aquatic Products By Liquid Chromatography-Atomic Fluorescence Spectrometry, Liu Zhenghua, Li Zhonghai
Food and Machinery
Objective: Four arsenic species of arsenic in aquatic products were analyzed using ultrasonic-assisted extraction combined with high performance liquid chromatography-atomic fluorescence spectrometry （HPLC-AFS）. Methods: Four arsenic compounds were extracted ultrasonically from the samples using 50%（v/v） methanol-aqueous solution as extraction solvent. The chromatographic separation was performed on Hamilton PRP-X100 anion exchange column using a mixture of 15 mmol/L ammonium dihydrogen phosphate solution with the pH adjust to 6.0 as the mobile phase. Results: Under the optimized conditions, there were good linear relationships in the range of 0～100 μg/L for four arsenic compounds, with correlation coefficients all above 0.998. The limit of …
A Trajectory Planning Method For Delta Sorting Robot In Tomato Production Line Based On Improved Gate Shaped Trajectory, Feng Yanfang, Wu Birui, Zhao Qian
A Trajectory Planning Method For Delta Sorting Robot In Tomato Production Line Based On Improved Gate Shaped Trajectory, Feng Yanfang, Wu Birui, Zhao Qian
Food and Machinery
Objective: To solve the problems of low efficiency and poor motion stability of DELTA robots in the tomato sorting process of existing tomato processing production lines. Methods: Based on the analysis of the DELTA robot sorting system, the optimized gate shaped trajectory of the cyclotron was used for DELTA robot trajectory planning. By replacing the right angle part of the gate shaped trajectory with a convolutional line, an optimization model with the goal of time optimization was established. The optimized parameters of the gate shaped trajectory were solved using an improved ant colony optimization algorithm. Analyzed its performance through experiments. …
Design And Experiment Of Light Angle Adjustable Device For Measuring Sugar Content Of Citrus By Near Infrared Spectroscopy, Zeng Xianming, Han Longbo, Wen Tao, Dai Xingyong
Design And Experiment Of Light Angle Adjustable Device For Measuring Sugar Content Of Citrus By Near Infrared Spectroscopy, Zeng Xianming, Han Longbo, Wen Tao, Dai Xingyong
Food and Machinery
Objective: To solve the problem of insufficient spectral information obtained by the fixed illumination angle of the near-infrared spectroscopy to detect the sugar content of fruits. Methods: A light angle adjustable device for the diffuse transmission near-infrared spectroscopy was designed to detect the sugar content of citrus based on the simplified model of the remote motion center of the light source. The device had carried out the structural performance analysis and the test of the citrus sugar under different illumination angles. Results: The adjustment range of the light angle of the device was set to 0°～60°. The displacement deviation between …
Design And Test Of On-Line Checking Device For Electronic Belt Weigher, Zhang Linfeng, Liu Suijun, Yang Linchao, Liu Ying, Hu Jiacheng, Cai Jinhui, Shen Yinchu, Li Shaohua, Li Qing
Design And Test Of On-Line Checking Device For Electronic Belt Weigher, Zhang Linfeng, Liu Suijun, Yang Linchao, Liu Ying, Hu Jiacheng, Cai Jinhui, Shen Yinchu, Li Shaohua, Li Qing
Food and Machinery
Objective: In order to prevent the problem of small range electronic belt scale with inefficient method of traditional intermediate verification, low verification accuracy and security. Methods: A on-line intermediate check device was designed for small range electronic belt scale, which was composed of digital transmission control module and automatic loading module. Taking standard weight as input quantity, the upper computer controlled the manipulator to grab the weight onto the transmission belt to implement cyclic loading, then evaluated the measurement results and upload the evaluation results to the cloud. Results: After verification test and data analysis, for electronic belt weigher, it …
Analysis Of Green Walnut Peeling Mechanism And Device Design And Experiment, Li Kang, Li Changhe, Liu Mingzheng, Wang Leyi, Fan Linzheng, Ye Xiangrui, Wang Ziwen, Wang Renkun, Cao Chengmao, Wu Jiankang
Analysis Of Green Walnut Peeling Mechanism And Device Design And Experiment, Li Kang, Li Changhe, Liu Mingzheng, Wang Leyi, Fan Linzheng, Ye Xiangrui, Wang Ziwen, Wang Renkun, Cao Chengmao, Wu Jiankang
Food and Machinery
Objective: To improve the mechanization of the initial processing of walnuts, and to solve the problems such as low stripping rate and high crushing rate in the process of green walnut peeling. Methods: A green walnut peeling device was designed which was integrated scraping and squeezing, rolling and cleaning. The mechanical and kinematic analysis of the peeling process of green walnuts, was made to establish a spatial force model of green walnuts combined with theoretical mechanics theory, and the key structural of system devices was designed. Based on the single-factor test, a three-factor, three-level orthogonal test was conducted with Design-Expert …
Research On The Integration Of Regional Culture Into Food Packaging Design Under The Background Of Cultural And Tourism Integration, Chu Chun
Food and Machinery
Under the background of cultural and tourism integration, the article expounds on the necessity and solution of integrating local culture into local food packaging design. By exploring the logical relationship between local culture and packaging design, analyze successful food packaging design cases in the field of market consumption and cultural communication. It is pointed out that the main pain points of the integration of local culture into food packaging design at present are the breaking of the situation of locality and modernity, the transformation of local cultural heritage resources, the upgrading from daily to gift, and the stylization and rejuvenation. …
Research And Application Progress Of Cold-Chain Logistics Packaging Technology Of Fresh Agricultural Products, Xiang Mingyue
Research And Application Progress Of Cold-Chain Logistics Packaging Technology Of Fresh Agricultural Products, Xiang Mingyue
Food and Machinery
Cold chain logistics packaging technology is crucial for the operation of perishable food chains （such as meat, fish, dairy products, fruit and vegetable products） and certain products in the pharmaceutical industry （such as vaccines, biopharmaceuticals, and blood products）. In the future, the cold chain logistics packaging of fresh agricultural products will tend towards high-performance, environmentally friendly, and digital development. The article reviews the packaging technologies used in the cold chain logistics of fresh agricultural products in recent years. Analyzes the characteristics, use value, application scope, technical advantages and disadvantages of different packaging materials, and analyzes the potential cold chain logistics …
Effect Of Ultra-High Pressure Treatment On The Texture, Flavor And Shelf Life Of Cream Cheese, Zhang Yuanyuan, Liu Zhenmin, Zheng Yuanrong
Effect Of Ultra-High Pressure Treatment On The Texture, Flavor And Shelf Life Of Cream Cheese, Zhang Yuanyuan, Liu Zhenmin, Zheng Yuanrong
Food and Machinery
Objective: This study aimed to determine the optimal conditions for ultra-high pressure (HHP) cream cheese. Methods: The influence of non-thermal processing pressure on the texture, flavor and shelf life of homemade cream cheese were explored. By using the texture profile analysis (TPA), solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS), and colony counting method, the texture, flavor substances, and microorganisms of cheese were identified and evaluated. Results: After HHP treatment, the hardness, adhesiveness, and resilience of cream cheese decreased. The springiness of cheese reached the highest at 300 MPa, significantly increasing by 14.0% (P<0.05). When the pressure is more than or equal to 400 MPa, the content and species of volatile substances in cheese are significantly reduced. Principal component analysis showed that 200 and 300 MPa treated cheese and unpressurized cheese were both in the first principal component area. After HHP treatment of artificially dyed cream cheese, the number of bacterial colonies decreased significantly (P<0.05), and the greater the treatment pressure, the better the bactericidal effect. When the HHP treatment pressure is greater than or equal to 300 MPa, the shelf life of cheese was effectively extended from 7 days to 21 days. Conclusion: The cream cheese treated by HHP has a good texture and original flavor while effectively extending the shelf life.
The Effect Of Grape Seed Extract Nanoparticles/Pullulan Coatings On The Quality Of Salmon Fillets, Guo Yajuan, Fan Jungang, Li Jianzhen
The Effect Of Grape Seed Extract Nanoparticles/Pullulan Coatings On The Quality Of Salmon Fillets, Guo Yajuan, Fan Jungang, Li Jianzhen
Food and Machinery
Objective： This study aimed to improve the preservation properties of pullulan （PUL） coating and prepare preservation materials with sustained-release properties. Methods： GSE nanoparticles were prepared by grape seed extract （GSE）, chitosan and γ-polyglutamic acid. GSE nanoparticles of different quality were added to the PUL coating solution to prepare GSE nanoparticles/PUL coatings. The preservation properties of GSE nanoparticles/PUL coatings on salmon fillets were evaluated. Results： Compared with untreated fish fillets, the total number of bacteria in fish meat was reduced, and lipid oxidation and protein decomposition were delayed by 1.08% GSE nanoparticles/PUL coating. In addition, after fish fillets were treated …
Apple Surface Defect Detection Based On Improved Cnn And Data Augmentation, Pi Wei, Qu Xilong, Wang Shaocheng, Li Qingchun
Apple Surface Defect Detection Based On Improved Cnn And Data Augmentation, Pi Wei, Qu Xilong, Wang Shaocheng, Li Qingchun
Food and Machinery
Objective: Improve the detection accuracy and efficiency of apple surface defects. Methods: An detection method for apple surface defects was established based on an improved convolutional neural network (CNN) and data augmentation method. Firstly, the classical CNN was improved to detect apple surface defects. Then, using the conditional generation adversarial network, the image data of surface defect free and defective apples was augmented with synthetic apple images to improve the detection performance of the improved CNN for apple surface defects. Finally, by pruning the CNN model, the detection accuracy, detection speed and energy saving limits of apple surface defects were …
Effects Of Hydroxyl Safflower Yellow A On Lipopolysaccharide Induced Depression Model Rats, Yiming Gaghafu, Mian Qiang-Hui, Han Nan-Yin, Abudureyimu Yusufu
Effects Of Hydroxyl Safflower Yellow A On Lipopolysaccharide Induced Depression Model Rats, Yiming Gaghafu, Mian Qiang-Hui, Han Nan-Yin, Abudureyimu Yusufu
Food and Machinery
Objective: This study aimed to investigate the antidepressant effect of hydroxyl safflower yellow A on rats induced by lipopolysaccharide. Methods: The depression model of rats was established by intraperitoneal injection of LPS. The normal control group, the model group, the positive control group and the hydroxyl safflower yellow A groups with different doses were set up, and the depression like behavior of rats was evaluated. The contents of TNF-α, IL-1β, IL-6 and BDNF, 5-HT in serum of rats were determined, and the histopathological changes of hippocampus were observed. The protein expression of TLR/NLR signaling pathway was detected. Results: …
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
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 …
Screening, Identification And Biological Characteristics Of Lactic Acid Bacteria Inhibiting Vibrio Parahaemolyticus, Yu Chen, Yang Lu, Guan Feng, Zhang Jie, Yuan Yong-Jun
Screening, Identification And Biological Characteristics Of Lactic Acid Bacteria Inhibiting Vibrio Parahaemolyticus, Yu Chen, Yang Lu, Guan Feng, Zhang Jie, Yuan Yong-Jun
Food and Machinery
Objective: This study aimed to enrich the functional lactic acid bacteria resource bank and to search for excellent starting strains of lactic acid bacteria with the antagonistic ability of Vibrio parahaemolyticus. Methods: Lactobacillus strains with broad-spectrum bacteriostatic potential were screened by Oxford cup bacteriostatic test, and their biological characteristics were discussed by growth and metabolic performance, gastrointestinal fluid tolerance, salt tolerance, antibiotic sensitivity and bacteriostatic spectrum. Results: Six strains of lactic acid bacteria were screened by using V. parahaemolyticus as indicator bacteria. They were classified into L. paracasei, L. fermentus and L. plantarum by morphological, physiological and biochemical …