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Articles 2521 - 2550 of 5782

Full-Text Articles in Food Processing

Study On The Mechanical Properties Of Electro-Spun Fiber Film Of Konjac Glucomannan/Combined With Nano-Fe3O4, Xie Jian-Hua, Xie Bing-Qing, Zhang Gui-Yun, Zheng Jun-Feng, Gao Zhi-Qiang, Pang Jie Mar 2020

Study On The Mechanical Properties Of Electro-Spun Fiber Film Of Konjac Glucomannan/Combined With Nano-Fe3O4, Xie Jian-Hua, Xie Bing-Qing, Zhang Gui-Yun, Zheng Jun-Feng, Gao Zhi-Qiang, Pang Jie

Food and Machinery

In order to improve the mechanical property, Konjac glucomannan (KGM) was mixed with nano-Fe3O4 to prepare the composite membrane by electrospinning technology. Results indicate that the content of raw materials, including nano-Fe3O4, KGM, glycerin, and Na2CO3, had considerable impact on the mechanical property of composite membrane. When the ratio of nano-Fe3O4, KGM, glycerin, and Na2CO3 in the composite membrane was 1.0%, 1.2%, 0.1% and 0.1% respectively, the tensile strength was 28.35 MPa and the elongation at break was 6.42%.

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Establishment And Prediction Of Growth Kinetics And Shelf-Life Model Of Specific Spoilage Organisms In Mackerel At Cold Chain Conditions, Xing Jia-Li, Xu Xiao-Rong, Cheng Hai, Zheng Rui-Xing, Zhang Shu-Fen, Fu Xiao, Zhou Zi-Yan, Mao Ling-Yan Mar 2020

Establishment And Prediction Of Growth Kinetics And Shelf-Life Model Of Specific Spoilage Organisms In Mackerel At Cold Chain Conditions, Xing Jia-Li, Xu Xiao-Rong, Cheng Hai, Zheng Rui-Xing, Zhang Shu-Fen, Fu Xiao, Zhou Zi-Yan, Mao Ling-Yan

Food and Machinery

The purpose of this paper was to predict the growth dynamics of dominant spoilage bacteria for Spanish mackerel in different cold-chain logistics temperatures. The total viable counts (TVC), Shewanella counts and Pseudomonas counts were analyzed respectively, and the total volatile base nitrogen (TVB-N) and sensory quality index(QI)value at the end of the shelf life of Spanish mackerel were evaluated at 0, 4, 10 ℃ cold-chain logistics simulation. On the basis of the dynamic change of SSO with modified Gompertz equation, Belehradek equation was used to construct the prediction models of growth and shelf life for SSO in Spanish mackerel at …

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Simulation Of Sensory Quality Of Tobacco Leaf Alcoholization Based On Bp Neural Network, Deng Yu-Xiang, Luo Cheng, Li Dong-Liang, Yang Jie, Zhou Dong, Du Wei, Chen Si-Ang Mar 2020

Simulation Of Sensory Quality Of Tobacco Leaf Alcoholization Based On Bp Neural Network, Deng Yu-Xiang, Luo Cheng, Li Dong-Liang, Yang Jie, Zhou Dong, Du Wei, Chen Si-Ang

Food and Machinery

Establish a prediction model for sensory quality of tobacco leaf alcoholization, which is used to predict sensory changes in the process of tobacco leaf alcoholization process, breaking through the traditional empirical method to guide tobacco leaf inventory turnover and formulation use. In this paper, 18 alcoholic sensory scores of the 18 different samples in 4 warehouses were taken as initial samples at intervals of 6 months, totally 36 months. Firstly, Through factor analysis, the tobacco alcoholization level is divided, and then to perform BP neural network test and prediction,the results show that this model is feasible and effective for predicting …

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Effects Of A Formula Containing Vitamin B On Ameliorates Anxious/Depression-Like Behaviors In An C57bl/6 Mice Model, Zhu Xi-Ping, Li Wen-Zhi, Tao Qian, He Wen-Jiang, Cui Chun Mar 2020

Effects Of A Formula Containing Vitamin B On Ameliorates Anxious/Depression-Like Behaviors In An C57bl/6 Mice Model, Zhu Xi-Ping, Li Wen-Zhi, Tao Qian, He Wen-Jiang, Cui Chun

Food and Machinery

Investigated effects of vitamin B complex TRP peptides and SOD on the anti-oxidative activity in brain tissue, serum inflammatory factor levels and reverse anxious/depression-like behaviors. Vitamin B complex TRP peptide and SOD (VB3︰ VB6︰TRP peptide︰SOD = 2︰10︰3︰4; VBPS) high, medium and low gavage doses were 260, 195, 130 mg/(kg·d), respectively. Studies showed that VBPS could reverse the anxious/depression-like behaviors and the slow body weight gain, with VBPS at a high dose being more effective. VBPS showed to control the effects of serum inflammatory cytokines (TNF-α, IL-6, IL-1β and IFN-γ), decrease malondialdehyde (MDA) levels and increase superoxide …

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Antioxidant And Antibacterial Activity Of Polyphenols From Lyophyllum Cinoraseens Konr & Maubl, Li Yan-Po, Huang Yan, Cheng Lu-Jie, Sun Yi-Ting Mar 2020

Antioxidant And Antibacterial Activity Of Polyphenols From Lyophyllum Cinoraseens Konr & Maubl, Li Yan-Po, Huang Yan, Cheng Lu-Jie, Sun Yi-Ting

Food and Machinery

In order to investigate the antioxidation and antibacterial effect of polyphenols from Lyophyllum Cinoraseens Konr & Maubl, crude polyphenols after ultrasonic-assisted ethanol extraction purified polyphenols with macroporous resin were used as raw materials to study the scavenging effect for ·OH, O · and DPPH· and antibacterial effect by the filter paper disc method. The results showed that crude polyphenols and purified polyphenols from Lyophyllum Cinoraseens Konr & Maubl both exhibit the scavenging effect for ·OH, O · and DPPH·, and there presented certain dose-effect relationship between scavenging ability and the concentration of polyphenols. Crude polyphenols and purified polyphenols showed …

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Optimization Of Ultrasonic-Assisted Extraction Of Total Flavonoids From Leaves Of Phyllanthus Emblica And Its Antioxidant Capacity, Du Li-Juan, Su Xiu-Fang, Huang Cheng-Yin Mar 2020

Optimization Of Ultrasonic-Assisted Extraction Of Total Flavonoids From Leaves Of Phyllanthus Emblica And Its Antioxidant Capacity, Du Li-Juan, Su Xiu-Fang, Huang Cheng-Yin

Food and Machinery

Optimization ultrasonic-assisted extraction of total flavonoid from leaves of phyllanthus emblica was investigated and its antioxidant capacity was determined. Through single factor experiment and orthogonal experiment, the optimization of ultrasonic-assisted extraction of total flavonoids was determined as follows, including the ratio of material to liquid 1:25 (g/mL), ethanol concentration 60%, ultrasonic power 70 W, and extraction at 60 ℃ for 20 min. Under the control of these conditions, the extraction rate of the total flavonoids from leaves of P. emblica was as high as 14.57%. Moreover, the total flavonoids from leaves of P. emblica were found good scavenging effect. With …

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Impacts Of Microwave Treatment On Physicochemical Properties Of Black Rice Wine, Chen Zhou-Yao, Yuan Jiang-Feng, Hou Zeng-Chao, Wang Da-Hong, Li Pei-Yan, Gong Ming-Gui, Zhang Bin Mar 2020

Impacts Of Microwave Treatment On Physicochemical Properties Of Black Rice Wine, Chen Zhou-Yao, Yuan Jiang-Feng, Hou Zeng-Chao, Wang Da-Hong, Li Pei-Yan, Gong Ming-Gui, Zhang Bin

Food and Machinery

Microwave technology was applied to process black rice wine, effects of microwave power, microwave treatment temperature and microwave time on total phenolic content, total flavonoid content, total anthocyanins, colour and antioxidant activity of black rice wine were investigated. The results showed that the total phenol content, total flavonoids content, total anthocyanin content and antioxidant activity of the black rice wine obviously decreased after microwave treatment the black rice wine compared with the untreated black rice wine, and microwave treatment had little effect on the color change of black rice wine. The DPPH radical scavenging capacity, superoxide anion radical scavenging capacity, …

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Preparation And Quality Analysis Of Low-Hardness Beef Tallow, Liu Jia-Min, Yao Di, He Xin-Yi, Yan Xi-Chun, Li Xu, Liu Xiao-Dong Mar 2020

Preparation And Quality Analysis Of Low-Hardness Beef Tallow, Liu Jia-Min, Yao Di, He Xin-Yi, Yan Xi-Chun, Li Xu, Liu Xiao-Dong

Food and Machinery

In order to develop a kind of low-hardness blended beef tallow, the oxidation induction time of blended beef tallow and rapeseed oil was determined by Rancimat method, and the preservation period of blended beef tallow was calculated preliminarily. The hardness of the blended beef tallow at common temperature was measured by texture analyzer and compared with beef tallow and lard. The results showed that the oxidation induction time was (18.92±0.10)~(39.90±0.42) h, and the oxidation stability was between rapeseed oil and beef tallow. At a beef tallow ratio of 40% to 60%, the hardness of blended beef tallow was close to …

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Optimization On Preparation Technology Of Xylan Polysaccharides Iron Complex And Its Antioxidant Activities, Li Xia, Sun He-Fei, Tao Yang-Fei, Chen Qing, Zhou Yu-Heng, Shan Yang, Guan Yuan Mar 2020

Optimization On Preparation Technology Of Xylan Polysaccharides Iron Complex And Its Antioxidant Activities, Li Xia, Sun He-Fei, Tao Yang-Fei, Chen Qing, Zhou Yu-Heng, Shan Yang, Guan Yuan

Food and Machinery

Taking xylan (Xyl) and ferric chloride as substrates, the effects of the mass ratio of Xyl to sodium citrate, reaction temperature and pH on yield rate was investigated by single factor test. Preparation technology of xylan polysaccharides iron complex (XPC) was optimized by response surface methodology. The preliminary structure characterization of Xyl and XPC was performed by infrared spectroscopy and X-ray diffraction. The DPPH free radical, superoxide anion, hydroxyl radical and reducing power of XPC was also studied. The results showed that the optimum preparation conditions were as follows: the mass ratio of Xyl to sodium citrate of 3:1, reaction …

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Research On The Development And Digestibility Of Potato Compound Rice Flour For The Middle-Aged And Elderly, Liu Wan-Jiao, Liu Yong, Zhang Wei-Hua, Yang Jian-Ting Mar 2020

Research On The Development And Digestibility Of Potato Compound Rice Flour For The Middle-Aged And Elderly, Liu Wan-Jiao, Liu Yong, Zhang Wei-Hua, Yang Jian-Ting

Food and Machinery

The best proportion of potato and rice was obtained by different proportion ratio. Thereafter, different amounts of soybean, mung bean and millet were added to determine their viscosity value, and the addition amount of each single factor was screened by combining with sensory score. The optimal formula of potato compound rice flour was determined by mixing design, and in vitro simulated digestion experiments were carried out on the potato compound rice flour prepared by combining the physiological characteristics of middle-aged and elderly. The results showed that the best formula of potato with rice flour consisted of 12.31% soybean, 20.84% mung …

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Fermentation Characteristics Of Local Stater Jiaozi And Its Influence On The Quality Of Steamed Bread, Wang Wen-Fei, Lu Yuan, Wang Ya-Xin, Yu Ji-Bin, Sun Jun-Liang, Shi Yu-Zhong Mar 2020

Fermentation Characteristics Of Local Stater Jiaozi And Its Influence On The Quality Of Steamed Bread, Wang Wen-Fei, Lu Yuan, Wang Ya-Xin, Yu Ji-Bin, Sun Jun-Liang, Shi Yu-Zhong

Food and Machinery

Taking the local starter Jiaozi of shangqiu (1#), nanyang (2#) and xinxiang (3#) in Henan province as the research objects, the fermentation power, gluten index, amylase activity, pH value and titratable acidity of Jiaozi were determined, and the specific volume, whiteness and texture of the steamed bread were compared and analyzed. The results showed that 3# Jiaozi from Xinxiang was superior to the other two Jiaozi in fermentation capacity, amylase activity and acid production, and the steamed bread made by 3# Jiaozi had larger specific volume and better texture characteristics than the other two Jiaozi steamed bread. Therefore, 3# Jiaozi …

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Study On Prediction Model For Draw Resistance And Ventilation Of Cigarette Based On Multivariate Adaptive Regression Splines, He Xiao-Qiang, Li Hong-Shen, Xiang Hu, Wang Long, Zhang Yun-Fei, Zou Yu-Sheng, Zhao Rong, Liu Ge-Yi, Yang Tao, Li Shao-Chen Mar 2020

Study On Prediction Model For Draw Resistance And Ventilation Of Cigarette Based On Multivariate Adaptive Regression Splines, He Xiao-Qiang, Li Hong-Shen, Xiang Hu, Wang Long, Zhang Yun-Fei, Zou Yu-Sheng, Zhao Rong, Liu Ge-Yi, Yang Tao, Li Shao-Chen

Food and Machinery

Draw resistance and ventilation of cigarette are important indexes that affect the suction feeling, smoke and sensory quality of cigarette. In order to achieve the early prediction of draw resistance and ventilation of cigarette, the relevant factors were identified by analyzing the principle of draw resistance and ventilation, combined with a large number of data with different specifications and material characteristics. The prediction model of draw resistance and ventilation of cigarette was established by using multivariate adaptive regression splines (MARS) method. After verification, the normalized mean squared error (NMSE) of draw resistance prediction model was 0.276, and the average absolute …

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Research Progress On Energy Saving Optimization Of Cold Storage Plate Refrigerator, Xu Qi-Jun, Xie Jing Mar 2020

Research Progress On Energy Saving Optimization Of Cold Storage Plate Refrigerator, Xu Qi-Jun, Xie Jing

Food and Machinery

This paper discusses the influence on the energy saving effect of cold storage plate refrigerator from the aspects of phase change cold storage material, cold plate placement and thermal insulation material, and prospects the future research direction of cold storage plate refrigerator.

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Changes Of Gel Properties During Heating Of Duck Albumen Induced By Alkali, Ling Zi-Ting, Jiang Ai-Min, Zhou Quan, Fan Hong, Ai Min-Min, Cao Yuan-Yuan Mar 2020

Changes Of Gel Properties During Heating Of Duck Albumen Induced By Alkali, Ling Zi-Ting, Jiang Ai-Min, Zhou Quan, Fan Hong, Ai Min-Min, Cao Yuan-Yuan

Food and Machinery

In this study, the effects of heating temperature on the gelation properties of duck albumen with 0.50% NaOH were studied by measuring the texture, water-holding capacity, pH, color, SDS-PAGE and net-work protein of duck albumen in the range of 65~95 ℃. The results showed that the firmness of the gel increased from 68.88 g to the maximum 652.35 g (70 ℃) after heating, with an increase of 8.47 times. Moreover, the elasticity increased from 45.20% to 77.5% as heated to 95 ℃. The water-holding capacity of the alkali-induced duck albumen gel increased to a maximum of 89.02% at 75 ℃, …

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Quality Evaluation Of Guizhou Kidney Beans Based On Principal Component Analysis, Wang He-Zhu, Zhu Yong, Zhu Yi, He You-Xun, Qin Li-Kang, Liang Ya-Li Mar 2020

Quality Evaluation Of Guizhou Kidney Beans Based On Principal Component Analysis, Wang He-Zhu, Zhu Yong, Zhu Yi, He You-Xun, Qin Li-Kang, Liang Ya-Li

Food and Machinery

Seven types of Guizhou kidney beans were used to evaluate their quality based on principal component analysis of main nutritional components. The results showed that the content of protein in kidney beans ranged from 19.11% to 23.69%. The total contents of the dietary fiber were found ranging from 23.09% to 27.60%, and those in British red bean were the highest. Seven kinds of kidney beans were rich in Ca, Mg, P, and K, ranging from 0.09% to 0.20%, 0.19% to 0.29%, 0.45% to 0.61%, and 1.48% to 1.69%, respectively; The contents of glutamic acid, aspartic acid, and leucine in these …

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Verification Of Anti-Adhesive Performance Of Modified Polypropylene Films And Its Packaging Application, Sui Yue, Yang Fu-Xin, Cheng Long, Xu Tao Mar 2020

Verification Of Anti-Adhesive Performance Of Modified Polypropylene Films And Its Packaging Application, Sui Yue, Yang Fu-Xin, Cheng Long, Xu Tao

Food and Machinery

Firstly, measured the contact angle of yogurt on films, verified the anti-adhesive effect of films with two different methods and then tested the hygienic performance of the modified films. The results showed that: 7% silicone oil + 93% polypropylene mixed modified film and 8% polytetrafluoroethylene + 92% polypropylene modified film had the best performance. The contact angles were: 85.97° and 98.84° respectively. After the verification of two anti-adhesive methods, the yogurt residues of the 7% silicone oil-modified film were 28.67% and 23.45% respectively, and the yogurt residues of the 8% polytetrafluoroethylene-modified film were 26.61% and 23.11% respectively; After safety verification, …

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Effect Of 60Co-Γ Ray And Electron Beam Irradiation On Microbial Property And Qualities Of Black Broken Tea, Zhang Qi-Ling, Peng Ling, Xu Yuan-Fang, Zhou Yi-Ji, Guo Feng, Zhang Yong, Deng Chao, Li Wen-Ge Mar 2020

Effect Of 60Co-Γ Ray And Electron Beam Irradiation On Microbial Property And Qualities Of Black Broken Tea, Zhang Qi-Ling, Peng Ling, Xu Yuan-Fang, Zhou Yi-Ji, Guo Feng, Zhang Yong, Deng Chao, Li Wen-Ge

Food and Machinery

In order to investigate the effect of 60Co-gamma ray and electron beam irradiation on the microbial property and qualities of black broken tea, different doses of 60Co-gamma ray irradiation and electron beam irradiation were used to irradiate black broken tea, and the effects of 60Co-gamma ray irradiation and electron beam irradiation on microorganism, quality composition and sensory quality of black broken tea were studied. The results showed that both 60Co-gamma ray irradiation and electron beam irradiation could effectively inhibit the microbial pollution in black broken tea. It was found that the 60Co-gamma ray irradiation D10 of …

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Optimization On Ultrasonic-Assisted Extraction Of Polyphenols From Cyclobalanopsis Glauca Shells By Response Surface Methodology And Study On Its Antioxidant Activity In Vitro, Ru Yue-Rong, Zhang Zhi-Yang, Yang Jin-Mei, He Bin, Kan Huan, Liu Yun, Wang Zhen-Xing, Zhang Xue-Chun Mar 2020

Optimization On Ultrasonic-Assisted Extraction Of Polyphenols From Cyclobalanopsis Glauca Shells By Response Surface Methodology And Study On Its Antioxidant Activity In Vitro, Ru Yue-Rong, Zhang Zhi-Yang, Yang Jin-Mei, He Bin, Kan Huan, Liu Yun, Wang Zhen-Xing, Zhang Xue-Chun

Food and Machinery

The ultrasound-assisted extraction was applied to the extraction of polyphenols from the Cyclobalanopsis glauca fruit shells. The effects of the concentration of ethanol, solid-liquid ratio, ultrasonic time, and number of extraction cycles on the yield of phenolic yield were studied, and the extraction process was optimized by response surface methodology (RSM). Then the in vitro antioxidant activities of Cyclobalanopsis glauca shell fruit extract (CGSE), including ferric ion reducing antioxidant power (FRAP) and oxygen radical absorbance capacity (ORAC), were evaluated. Results: The optimal extraction process were as followed: volume fraction of ethyl alcohol 50%, extracting time 25 min, solid-liquid ratio 1:40, …

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Research On Ultrasonic-Assisted Extraction Process And Stability Of Polysaccharides From Lilium Davidii Var Bulb, Li Gang-Gang, Sun Jing, Fu Heng-Yi, Xiao Bi-Liang Mar 2020

Research On Ultrasonic-Assisted Extraction Process And Stability Of Polysaccharides From Lilium Davidii Var Bulb, Li Gang-Gang, Sun Jing, Fu Heng-Yi, Xiao Bi-Liang

Food and Machinery

An orthogonal test was utilized to optimize the ultrasonic-assisted extraction process of polysaccharides from Lilium davidii var waste bulb, and the stability of the polysaccharides was studied. The results showed that the optimum extraction conditions for ultrasonic-assisted extraction process were as followed: the ratio solid to liquid of 1:20 (g/mL), ultrasonic time of 60 min, ultrasonic power 250 W, and ultrasonic temperature 60 ℃. Under the conditions, the extracting rate of polysaccharides from Lilium davidii var was 18.44%. The anti-oxidization stability of polysaccharide extracts was poor, whicht was easy to be oxidized by H2O2, but has …

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Research Progress Of Improved Enzyme-Linked Immunosorbent Assay Based On Nanomaterials, Zhang Guang-Yin, Lu Dai, Deng Fang-Ming, Zhao Qian, Shi Xing-Bo Mar 2020

Research Progress Of Improved Enzyme-Linked Immunosorbent Assay Based On Nanomaterials, Zhang Guang-Yin, Lu Dai, Deng Fang-Ming, Zhao Qian, Shi Xing-Bo

Food and Machinery

The recent development of improved ELISA was summarized. Nanomaterials as a substitute for traditional biological enzymes and signal substrates for colorimetry, fluorescence, electrochemistry, photothermal effects, surface enhanced Raman scattering, and chemiluminescence were also reviewed. Finally, the development direction and challenges of the improved ELISA were analyzed, and its application prospect was prospected.

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Detection Of Fish Fillet Substitution And Mislabeling Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim Mar 2020

Detection Of Fish Fillet Substitution And Mislabeling Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim

Food Science Faculty Articles and Research

Substitution of high-priced fish species with inexpensive alternatives and mislabeling frozen-thawed fish fillets as fresh are two important fraudulent practices of concern in the seafood industry. This study aimed to develop multimode hyperspectral imaging techniques to detect substitution and mislabeling of fish fillets. Line-scan hyperspectral images were acquired from fish fillets in four modes, including reflectance in visible and near-infrared (VNIR) region, fluorescence by 365 nm UV excitation, reflectance in short-wave infrared (SWIR) region, and Raman by 785 nm laser excitation. Fish fillets of six species (i.e., red snapper, vermilion snapper, Malabar snapper, summer flounder, white bass, and tilapia) were …

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Microplate Immunocapture Coupled With The 3m Molecular Detection System And Selective Plating For The Rapid Detection Of Salmonella Infantis In Dry Dog Food And Treats, Danielle K. Rosen, Miguel Gallardo, Mcclain Vail, Rosalee S. Hellberg Feb 2020

Microplate Immunocapture Coupled With The 3m Molecular Detection System And Selective Plating For The Rapid Detection Of Salmonella Infantis In Dry Dog Food And Treats, Danielle K. Rosen, Miguel Gallardo, Mcclain Vail, Rosalee S. Hellberg

Food Science Faculty Articles and Research

The objective of this study was to use microplate immunocapture (IC) to reduce the enrichment time required for detection of Salmonella in pet food with the 3 M Molecular Detection System (MDS) or selective plating on XLD. Dog food and pig ear treats were inoculated with Salmonella Infantis at concentrations of 100–104 CFU/25 g, followed by a 3-h enrichment, then microplate IC and 3 M MDS or microplate IC and selective plating on XLD. Another set of samples underwent a traditional 24-h enrichment followed by 3 M MDS or selective plating. Based on the results of three …

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View On Bioactive Substance Nutritional Intervention Approaches Of Novel Coronavirus Pneumonia, Huang Shou-En, Zheng Jian-Xian Feb 2020

View On Bioactive Substance Nutritional Intervention Approaches Of Novel Coronavirus Pneumonia, Huang Shou-En, Zheng Jian-Xian

Food and Machinery

Novel coronavirus pneumonia (NCP) is a kind of respiratory diseases mainly caused by novel coronavirus, which can be transmitted through respiratory droplets and contact. At present, no effective drugs for it were found, and the treatment is mainly symptomatic and supportive. In addition to medical treatment, a scientific and reasonable diet is also an important part for improving nutritional health, enhancing disease resistance and defeating novel coronavirus pneumonia. Therefore, from the perspective of food nutrition, the authors discussthe intervention approaches of bioactive substance nutrition to defend against the novel coronavirus pneumonia, and put forward the policy recommendations for the development …

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Progresses Of The Screening Strategies And The Effect Mechanism Researches Of Food-Derived Immunopeptides, Wen Li, Liu Bu-Qing, Xu Zhou, Chen Mao-Long, Cheng Yun-Hui Feb 2020

Progresses Of The Screening Strategies And The Effect Mechanism Researches Of Food-Derived Immunopeptides, Wen Li, Liu Bu-Qing, Xu Zhou, Chen Mao-Long, Cheng Yun-Hui

Food and Machinery

The global undergoing strategies of screening the food-derived immunopeptides were summarized in this review, and the prospective using of computational science was emphasized. Moreover, the research background of the molecular mechanism of the food-derive immunopeptides was reviewed, and a new research strategy was also proposed, i. e. combining the multi-omics, bioinformatics, and cellular and animal experiments to investigate their molecular mechanism.

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Effects Of Exopolysaccharide On Batter And Baking Characteristics Of Eggless Cake, Zhang Feng-Wen, Chen Cheng, Zhang Bin-Le, Cao Wei-Chao, Wang Feng, Chen Jun-Min, Huang Wei-Ning, Akihiro Ogawa Feb 2020

Effects Of Exopolysaccharide On Batter And Baking Characteristics Of Eggless Cake, Zhang Feng-Wen, Chen Cheng, Zhang Bin-Le, Cao Wei-Chao, Wang Feng, Chen Jun-Min, Huang Wei-Ning, Akihiro Ogawa

Food and Machinery

In this paper, the effects of exopolysaccharide (EPS) produced by lactic acid bacteria (LAB) on the foaming, surface hydrophobicity and liquid protein content of complex proteins during whipping were studied. LAB fermentation technology was applied in the production of eggless cakes and its effect on batter rheological, baking characteristic and crumb microstructure of eggless cake were evaluated. The results showed that the EPS produced by LAB significantly improved the foaming properties, increased surface hydrophobicity of complex protein and maintained the interface protein content by reducing competitive adsorption of emulsifiers during whipping. The number of bubbles increased and their distribution was …

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The Dynamic Change And Correlation Analysis Between Flavor And Quality In The Pickling Crab Paste, Zheng Rui-Xing, Ding Yuan, Xing Jia-Li, Cheng Hai, Zhang Shu-Fen, Mao Ling-Yan Feb 2020

The Dynamic Change And Correlation Analysis Between Flavor And Quality In The Pickling Crab Paste, Zheng Rui-Xing, Ding Yuan, Xing Jia-Li, Cheng Hai, Zhang Shu-Fen, Mao Ling-Yan

Food and Machinery

To explore the scientific representation about the dynamic change of crab paste in pickling periods, fresh swimming crab was prepared for pickling the crab paste. Thereafter, the sensory and physical-chemical properties(pH, total volatile basic nitrogen, thiobarbituric acid, and free amino acid)and total plate count of different pickling periods (0, 6, 18, 30 and 42 h) were analyzed, and the correlation analysis and regression prediction model were carried out. The correlation analysis results showed that the free amino acid had no relation with sensory qualities. The flavor sensory properties such as fishy smell, sulfur smell, plumpness and flexibility were all significantly …

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Screening And Characteristics Of Heat-Resistant Strain From Concentrated Carrot Juice, Liu Cai-Qin, Wei Xing-Hu, Wang Nan, Chen Wei-Qing, Chen Hong, Lv Yun, Zheng Gang Feb 2020

Screening And Characteristics Of Heat-Resistant Strain From Concentrated Carrot Juice, Liu Cai-Qin, Wei Xing-Hu, Wang Nan, Chen Wei-Qing, Chen Hong, Lv Yun, Zheng Gang

Food and Machinery

The heat-resistant strain was isolated and identified by morphological features and ITS rDNA gene sequence analysis. Some physiological and biochemical characteristics of the strain were examined by carbon source utilization experiment. The thermal stability and acid-base stability of the strain were examined by heat and acid-base treatment. With the ultrasonic technology, the polysaccharides, reducing sugar and pigment in cells were examined. The results indicated that the strain SR-1 belongs to Sporobolomyces carnicolor. It was heat-resistant, and grew stably after heat treatment at 80 ℃ for 5~30 min, and at 90 ℃ for 15 min. However, it couldn't grow after …

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Drying Models And Quality Characteristics Of Cantonese Sausages In Different Ways, Lin Ting-Ting, Zeng Xiao-Fang, Dong Hua-Fa, Wu Man-Shi, Zhuo Xian-Rong, Dong Hao, Bai Wei-Dong Feb 2020

Drying Models And Quality Characteristics Of Cantonese Sausages In Different Ways, Lin Ting-Ting, Zeng Xiao-Fang, Dong Hua-Fa, Wu Man-Shi, Zhuo Xian-Rong, Dong Hao, Bai Wei-Dong

Food and Machinery

Cantonese sausage was dried by various physical control modes in the present work. Hot air drying was selected as the control, and the effects of different drying methods, i.e. low temperature combining infrared radiation, and low temperature combing both infrared and ultraviolet radiations, on the moisture, nitrite, color and lustre, fat oxidation and other physical and chemical index and texture of Cantonese sausage during drying process were investigated. Significant differences were observed on the physical and chemical index for Cantonese sausage with different drying processes, but the nitrite residue and other indicators of the finished product were within the normal …

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Drying Characteristics And Drying Quality Of Lilium By Hot-Air Thin-Layer Drying, Xiao Bi-Liang, Sun Jing, Liu Xiao-Feng Feb 2020

Drying Characteristics And Drying Quality Of Lilium By Hot-Air Thin-Layer Drying, Xiao Bi-Liang, Sun Jing, Liu Xiao-Feng

Food and Machinery

In order to improve the quality of lily production and shorten the drying period, taken Lanzhou lily as sample and used JK-LB1700 thin layer drying test bed to dry. The effects were investigoted, in different hot-air temperature (60, 70, 80, 90 ℃), hot-air rate (0.5, 1.0, 1.5, 2.0 m/s) and drying relative humidity (20%, 30%, 40%) on drying rate, color ΔE* value, vitamin C content, rehydration ratio during lily drying and law of change. The Weibull distribution function was used to simulate the drying moisture diffusion law of lily. Results, the drying time of lily was significantly shortened (P＜0.01) with …

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Subchronic Toxicity Of Cerasus Lannesiana Albo-Roseain In Rats, Zhang Cheng-Xiang, Li Shi-Fen, Wang Yu-Bang, Zhang Lu-Lu, Yan Ting, Zhu Xue-Feng Feb 2020

Subchronic Toxicity Of Cerasus Lannesiana Albo-Roseain In Rats, Zhang Cheng-Xiang, Li Shi-Fen, Wang Yu-Bang, Zhang Lu-Lu, Yan Ting, Zhu Xue-Feng

Food and Machinery

A total of 100 SD rats, half male and half female, were randomly divided into untreated control group (C1 group), treated control group (C2 group), low dose group (Ⅰgroup), middle dose group (Ⅱ group), and high dose group (Ⅲ group). The rats were fed continuously for 13 weeks, and the body weight, food intake, blood routine indexes, blood biochemical indexes, urine routine indexes, main organ weights and pathological histological examination of the organs were observed. Results: There was no significant difference between the observation groups (P＞0.05). The pathological changes related to Cerasus lannesiana Albo-rosea were not found in the pathological …

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