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2018

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Full-Text Articles in Agriculture

Research On The Effect Of Acoustic Mode On Ultrasonic Broken Cavitation Field, Feng Lili, Liu Bin, Wu Xue, Xu Xuedong, Li Zilu Dec 2018

Research On The Effect Of Acoustic Mode On Ultrasonic Broken Cavitation Field, Feng Lili, Liu Bin, Wu Xue, Xu Xuedong, Li Zilu

Food and Machinery

The immersion ultrasonic crushing device under 20 kHz is investigated in this study. Combined the sound field analysis and the finite element method, we firstly examine the acoustic mode properties of ultrasonic crushing material cavity on different sound field conditions, i.e. the height of liquid level and the position of sound source, and then explore the distribution of ultrasonic cavitation field and the change laws on the average acoustic energy density. Finally, experiments with acoustic measurement methods and image acquisition are made to verify these explorations. Experimental results shows that the distribution of ultrasonic cavitation field is related to the …

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The Effect On The Postharvest Qualities Of ‘Lianhong’ Citrus Fruit By Using Heat Shock Combined With Ozone Fumigation, Jiang Jing, Zhu Xiangrong, Su Donglin, Fu Fuhua, Zhang Juhua, Li Gaoyang, Shan Yang Dec 2018

The Effect On The Postharvest Qualities Of ‘Lianhong’ Citrus Fruit By Using Heat Shock Combined With Ozone Fumigation, Jiang Jing, Zhu Xiangrong, Su Donglin, Fu Fuhua, Zhang Juhua, Li Gaoyang, Shan Yang

Food and Machinery

Effects of heat shock combined with ozone fumigation at low temperature atmosphere were investigated on the storage quality and fruit physiological index of citrus processing varieties (‘Lianhong’ citrus fruit). The fruit was stored in cold storage at 4 ℃ and 90% relative humidity (RH), after treated with hot water (52 ℃, 3 min) and 6.0 mg/m3 of ozone for 15 min. Respiratory intensity, water loss rate, total soluble solids content (SSC), titratable acid (TA), ascorbic acid (VC), superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) activity were determined. The result showed that the combined treatment could enhance …

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Optimization On Fast Debitterizing Technologies Of Apricot Seed By Ultrasound With Response Surface Methodology, Zhang Ning, Zhang Xinyun, Fan Xuehui, Zhang Qingan Dec 2018

Optimization On Fast Debitterizing Technologies Of Apricot Seed By Ultrasound With Response Surface Methodology, Zhang Ning, Zhang Xinyun, Fan Xuehui, Zhang Qingan

Food and Machinery

To decrease the waste of energy and resource during the traditional debitterizing processing of apricot seeds, a rapid and novel method was proposed based on the principle of ultrasound-induced in this paper. Firstly, the parameters affecting the dissolution rate of amygdalin such as ultrasonic temperature, time, frequency, power and ratio of material to liquid, were tested by the method of single-factor experiment. Secondly, three parameters affecting the amygdalin dissolution rate were optimized by the response surface methodology, such as ultrasonic temperature, power and frequency, resepectively. The results showed that the optimum conditions were ultrasonic temperature 55 ℃, ultrasonic power 300 …

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Research Progress On The Mechanism Of Dietary Anthocyanins On Preventing And Treating Type 2 Diabetes Mellitus, Lai Dengni, Jiang Yuqin, Tian Yan, Wu Yanyang, Zhao Lingyan, Deng Fangming Dec 2018

Research Progress On The Mechanism Of Dietary Anthocyanins On Preventing And Treating Type 2 Diabetes Mellitus, Lai Dengni, Jiang Yuqin, Tian Yan, Wu Yanyang, Zhao Lingyan, Deng Fangming

Food and Machinery

The main components of anthocyanins in different fruits and vegetables were discussed. And the role of anthocyanins of prevention and treatment of type 2 diabetes were explored. The mechanism of anthocyanins in preventing and treating type 2 diabetes by reducing oxidative stress, improving insulin resistance, promoting insulin secretion and protecting β cells was discussed, and provided a theoretical basis for the comprehensive utilization of polyphenolic compounds in fruits and vegetables.

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Advances In Studies On The Effects Of Thermal Processing On The Structure, Content And Antioxidant Activity Of Phenolic Compounds In Plants, Ma Zhanqian, Wu Nana, Yi Cuiping, Tan Bin Dec 2018

Advances In Studies On The Effects Of Thermal Processing On The Structure, Content And Antioxidant Activity Of Phenolic Compounds In Plants, Ma Zhanqian, Wu Nana, Yi Cuiping, Tan Bin

Food and Machinery

The effects of different thermal processing processes on the structure and antioxidant activity of phenolic compounds was reviewed, and the main problems found were discussed in the present study. We looked forward to the next key ideas, and intended to provide a basis for the development and utilization of nutritious food.

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Studies On Curcumin And Cftr: Refutation And Recognition, Luan Jian, Cao Huanhuan, Zhou Xiaofu Dec 2018

Studies On Curcumin And Cftr: Refutation And Recognition, Luan Jian, Cao Huanhuan, Zhou Xiaofu

Food and Machinery

The research progress of curcumin stimulates mutant CFTR chloride channel since 2004 is summarizes in this review, and the process from discovery to refutation, from resistance to recognition of this theory are also discussed. Scientists prove that curcumin is a natural molecular activator of CFTR chloride channel, and plays an important role in the treatment of cystic fibrosis and the drug development, according the investigation of the experiment methods, mechanisms and pharmacokinetics. This review reveals the potential problems such as safe dose, and aims to provide references for cystic fibrosis drug research and development.

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Preservation Effect Of Active Film Containing Oreganoessential Oil On Snakehead Slices, Du Yunfei, Fan Liyuan, Shen Chunhua Dec 2018

Preservation Effect Of Active Film Containing Oreganoessential Oil On Snakehead Slices, Du Yunfei, Fan Liyuan, Shen Chunhua

Food and Machinery

In order to study the preservation effect of oregano essential oil in plastic films, oregano essential oil, as an antibacterial agent, was added into ethylene-vinyl alcohol copolymer (EVOH) and polyethylene (PE) respectively, then the food preservative films were prepared by extrusion casting. The mechanical properties, transmittance and haze of the preservative film were characterized. The snakeheads were then packaged in the preservative films, and the changes in drip loss rate, pH, thiobarbituric acid (TBA) and total viable count over time were determined. The results showed that the addition of oregano oil has little effect on the basic properties of the …

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Infection Of Alternaria Alternata In Postharvest Jiashi Melon And 86-1 Melon, Maerhaba Paerhati, Bai Yujia, Wang Jin, Zhu Wantong, Adilai Tuersun, Feng Zuoshan Dec 2018

Infection Of Alternaria Alternata In Postharvest Jiashi Melon And 86-1 Melon, Maerhaba Paerhati, Bai Yujia, Wang Jin, Zhu Wantong, Adilai Tuersun, Feng Zuoshan

Food and Machinery

Jiash melon and 86-1 melon were used as experiment material in this paper. After inoculated with Alternaria alternata by injury, the differences between the two were compared in terms of lesion diameter, pathogen-induced plant protein and protective enzyme activity. The results showed that the lesions of Jiashi melon were less than 86-1, and the diameter of the pericarp was smaller than the sarcocarp. After inoculated with Alternaria alternata, pathogen-induced plant protein and protective enzyme activity of two melons were increased during whole storage period. It played an important role in resisting the infection of Alternaria alternata, especially in the middle …

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Development Of 3d Printing Technology Based On Edible Materials, Yang Laixia, Yang Fanrong, Gui Yulian, Li Jiapu Dec 2018

Development Of 3d Printing Technology Based On Edible Materials, Yang Laixia, Yang Fanrong, Gui Yulian, Li Jiapu

Food and Machinery

The extension of edible materials has accelerated the development of 3D printing technology. However, as compared with engineering materials, the 3D printing technology for edible materials still faces many challenges. This review introduced the current mature 3D printing technology and its application field, and expounded the structure and composition of food 3D printer, as well as explained the research progress of edible material 3D printing at home and abroad. Moreover, the existing problems in the application of 3D printing in edible materials were summarized and analyzed, helping to look forward to a wider range of applications in the future, and …

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Research Progress Of Polyphenolic Compounds In Artichoke, Shi Mingyue, Cao Qingming, Zhong Wenhui, Yi Yingjian, Fang Yi, Zhang Zhikun, Zhou Wenhua Dec 2018

Research Progress Of Polyphenolic Compounds In Artichoke, Shi Mingyue, Cao Qingming, Zhong Wenhui, Yi Yingjian, Fang Yi, Zhang Zhikun, Zhou Wenhua

Food and Machinery

Artichoke has important nutritional and medicinal value and great development potential in the application of health food. In this review, the recent research results on extraction methods, analytical methods of artichoke, its chemical components and biological activities of polyphenols were summarized. It is hoped that national and international research results, can be popularized and utilized. The recognition of artichoke medicinal value in modern medicine and the promotion of artichoke products will bring great benefits to people's health and longevity.

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Research Progress On The Improvement Of Edible Quality Of Brown Rice, Chen Bingjie, Qiao Yongjin, Liu Chenxia Dec 2018

Research Progress On The Improvement Of Edible Quality Of Brown Rice, Chen Bingjie, Qiao Yongjin, Liu Chenxia

Food and Machinery

From the physical and biological perspective, the methods, principles and characteristics of technologies of improving the quality of brown rice were introduced in the article. Present status and advance of studies on technologies of edible quality improvement for brown rice were overviewed. Synergy technology is also proposed to apply to the improvement of edible quality of brown rice. Combining other technologies and germination technology would become the development tendency. At the same time, the existing problems in the quality improvement of brown rice are also pointed out.

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Effect Of Different Tube Wall Temperature On Physicochemical Properties Of Tobacco Shred During Drum Drying, Duan Kun, Wang Bing, Cheng Mengqi, Wang Pengfei, Zhao Zhiwei, Luo Canxuan, Zhao Shengchen, Bi Haoyang, Wang Hongwei, Zhao Yongzhen Dec 2018

Effect Of Different Tube Wall Temperature On Physicochemical Properties Of Tobacco Shred During Drum Drying, Duan Kun, Wang Bing, Cheng Mengqi, Wang Pengfei, Zhao Zhiwei, Luo Canxuan, Zhao Shengchen, Bi Haoyang, Wang Hongwei, Zhao Yongzhen

Food and Machinery

In order to study the effect of different wall temperature on the physicochemical properties of tobacco shred under drum drying conditions, variance analysis and multiple comparisons were conducted to explore the filling value, elasticity, proportion of long strands, the content of petroleum ether, aroma substances, total alkaloid and sugar and of tobacco shred under different drying conditions (drum wall temperatures were 100, 120, 140, and 150 ℃, respectively). In addition, principal component analysis was performed to identify the changes of physicochemical indexes. Finally, the consequences above were verified by sensory evaluation. The results showed that the difference of physicochemical indexes …

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Effects Of Different Additives On The Properties Offried Carrot Chips, Lu Shaochuang, Zheng Baofang, Qin Shixiu, Lu Jialei, Zhou Tao, Wang Jiaqi, Li Chiling, Zhou Hui Dec 2018

Effects Of Different Additives On The Properties Offried Carrot Chips, Lu Shaochuang, Zheng Baofang, Qin Shixiu, Lu Jialei, Zhou Tao, Wang Jiaqi, Li Chiling, Zhou Hui

Food and Machinery

In order to reduce the oil content of fried carrot chips and improve the sensory and nutritional quality of the products, various additives including sodium chloride, monoglyceride, sucrose ester, lecithin, modified starch, gelatin, pectin, dextran, xanthan gum, and carrageenan, etc. were added before frying, and then the texture, oil content, chroma, β-carotene and other aspects of the fried samples were detected and analyzed. The results showed that, by adding additives, the oil content of the sample could be significantly reduced and the loss of β-carotene was minimized, although various additives had their own advantages in improving the quality of the …

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Preparation And Evaluation On Clathrate Compound Of Volatile Oil From Leaves Of Cinnamomum Jensenianum, Mao Xuanrui Dec 2018

Preparation And Evaluation On Clathrate Compound Of Volatile Oil From Leaves Of Cinnamomum Jensenianum, Mao Xuanrui

Food and Machinery

Taking β-cyclodextrin as the wall material, embedding rate as the detection index, and single factor test results as the basis for orthogonal test, determined the optimal inclusion process of Cinnamomum jensenianum leaves volatile oil. Meanwhile, the inclusion compound was evaluated using thin-layer chromatography (TLC), ultraviolet spectroscopy (UV), differential scanning calorimetry (DSC) and micrography. The experiment results indicated that, the optimal preparation process conditions for the inclusion compound of Cinnamomum jensenianum volatile oil were as followed: ultrasonication time of 8 min, mass ratio of core material to wall material of 1︰8, ultrasonic wave power of 150 W, mass ratio of β-cyclodextrin …

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Advacnes On Biological And Farming Technology For The Prevention And Treatment Of Cadmium In Rice, Shen Junjun, Lin Qinlu, Luo Feijun Dec 2018

Advacnes On Biological And Farming Technology For The Prevention And Treatment Of Cadmium In Rice, Shen Junjun, Lin Qinlu, Luo Feijun

Food and Machinery

In this paper, on account of the current situation that some rice have high cadmium content or even exceeds the national standard, the severity and regional distribution currently at home and abroad are analyzed. The necessity of controlling cadmium pollution of rice was revealed, and the methods of biotechnology and farming at home and abroad were systematically integrated,such as screening low cadmium enriched rice varieties using biological technology, hybrid technology and genetic engineering technology that includes transgene technology, gene knockout and gene silencing to improve rice traits. The microbial adsorption method and fermentation technology to reduce the cadmium content in …

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Effects Of Microwave On Free Radical Production And Oxidative Properties Of Model Protein, Wang Tingting, Yuan Jiangfeng, Wang Lunji, Zhang Bin, Qiu Zhijun, Gong Minggui, Yin Qihang Dec 2018

Effects Of Microwave On Free Radical Production And Oxidative Properties Of Model Protein, Wang Tingting, Yuan Jiangfeng, Wang Lunji, Zhang Bin, Qiu Zhijun, Gong Minggui, Yin Qihang

Food and Machinery

Bovine Serum Albumin (BSA), a model protein, was used to study the relationship between the free radical production and oxidative properties in the microwave field. Electron paramagnetic resonance (EPR) trapping with 5,5-dimethyl-l-pyrrolin N-oxide (DMPO) was used for the detection of free radical produced by BSA under different microwave treatment conditions. The signal intensity of free radicals arose from BSA solution via the increasing of power, temperature, and time after microwave irradiation. By measuring the carbonyl, thiol and surface hydrophobic oxidative properties of BSA under different microwave temperatures. It was showed that the carbonyl content increased, the thiol content decreased, and …

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Effects Of Aging Time And Cooking Degree On Volatile Flavors Of Beef, Wang Hengpeng, Wu Peng, Chen Shengsu, Tu Mingliang, Gao Ziwu, Xie Jing, Yang Tianyi, Chen Chang, Meng Xiangren Dec 2018

Effects Of Aging Time And Cooking Degree On Volatile Flavors Of Beef, Wang Hengpeng, Wu Peng, Chen Shengsu, Tu Mingliang, Gao Ziwu, Xie Jing, Yang Tianyi, Chen Chang, Meng Xiangren

Food and Machinery

In order to study the effects of aging time, cooking degree and their interaction on beef flavor components, the longissimus dorsi of Simmental cattle in the process of aging time (3, 5, 7 d) were selected to make steaks of medium, medium well and well done. Volatile flavor components in different aging times and cooking degree were analyzed by headspace solid-phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS), explored the best aging time and cooking degree which were beneficial to flavor substances formated. Results showed that, a total of 50 volatile compounds were identified in each beef sample. The …

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Effects Of Atmospheric And Vacuum Concentrationon Free Amino Acids Of Chicken Soup, Wu Jia, Xia Yangyi, Yan Mengxi, Zhang Guoxing Dec 2018

Effects Of Atmospheric And Vacuum Concentrationon Free Amino Acids Of Chicken Soup, Wu Jia, Xia Yangyi, Yan Mengxi, Zhang Guoxing

Food and Machinery

The changes of amino acid and other related indexes in chicken soups which were concentrated under atmospheric pressure and vacuum were studied. The results were as follows: with the increase of concentration ratio, the contents of crude protein, oligopeptide and reducing sugar in chicken soups were gradually reduced. Under the same concentration ratio, the crude protein content in atmospheric concentration chicken soups was higher than that in vacuum concentration chicken soups (P＜0.05), while the oligopeptide content in vacuum concentration chicken soups and the reducing sugar in chicken soups with concentration ratio greater than 1∶2 were higher than that in atmospheric …

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Determination And Content Analysis Of Phenolic Compounds In Different Late-Maturing Citrus Of China, Zhang Jing, Zhu Lisha, Zhang Yaohai, Zhao Jing, Dong Chao, Jiao Bining Dec 2018

Determination And Content Analysis Of Phenolic Compounds In Different Late-Maturing Citrus Of China, Zhang Jing, Zhu Lisha, Zhang Yaohai, Zhao Jing, Dong Chao, Jiao Bining

Food and Machinery

In order to provide scientific basis for the utilization of citrus resource and improvement of comprehensive utilization value of fruits, the ultra-performance liquid chromatography (UPLC) was used to determine the main phenolic substances (flavonoied and phenolic acids) in nine Chinese late-maturing citrus. The different phenolic compounds and their contents were analyzed in pulp, juice and peel. The results showed that flavonoids were mainly hesperidin in the parts of the nine citrus varieties, and phenolic acids were mainly ferulic acid, and the content of PMFs in the pericarp was rich. In the juice of nine citrus, the contents of hesperidin and …

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Variations Of Size Distribution Of Tobacco Strips Separated From Different Threshing And Pneumatic Separation Unit, Liang Miao, Liu Maolin, Yang Yongfeng, Wang Genfa, Yang Zongcan, Zhang Junsong, Xiao Jinzhe, Lu Minrui, Liu Xiangzhen Dec 2018

Variations Of Size Distribution Of Tobacco Strips Separated From Different Threshing And Pneumatic Separation Unit, Liang Miao, Liu Maolin, Yang Yongfeng, Wang Genfa, Yang Zongcan, Zhang Junsong, Xiao Jinzhe, Lu Minrui, Liu Xiangzhen

Food and Machinery

In order to study the variation of size distribution of tobacco strips from different threshing and separation unit, an upper blend tobacco formula was introduced into threshing machine with five stages of threshing unit and eleven pneumatic separators. The results showed that the size proportion of tobacco strips separated from different pneumatic separators exhibited a similar change trend. Moreover, in the first and second stage threshing unit, the large and middle size particle content could reach more than 94% with good stability. Meanwhile, the characteristic size tobacco strips and the proportion of tobacco strips with size bigger than 44.5 mm …

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Determination Of Benzaldehyde Residues Contents In Honey By Hplc-Ms Using Rhodamine B Hydrazide As The Pre-Column Derivatization Reagent, Peng Xue, Han Rui, Chen Liying, Wang Yue, Zhu Guiping, Cao Ruifang, Zhong Tingting, Shen Guanghui, Luo Qingying, Zhang Zhiqing, Li Shanshan Dec 2018

Determination Of Benzaldehyde Residues Contents In Honey By Hplc-Ms Using Rhodamine B Hydrazide As The Pre-Column Derivatization Reagent, Peng Xue, Han Rui, Chen Liying, Wang Yue, Zhu Guiping, Cao Ruifang, Zhong Tingting, Shen Guanghui, Luo Qingying, Zhang Zhiqing, Li Shanshan

Food and Machinery

A novel HPLC-MS method was established, using a synthesized rhodamine B hydrazide (RBH) as the new pre-colunm derivatization reagent. After extracted with methanol and derivatized with RBH, the samples were determined by high-performance liquid chromatography(HPLC) coupled with mass spectrometry(MS). The results showed that the reagent RBH has a good sensitivity for mass spectrometry detection, and the derivatization reaction of benzaldehyde was efficient and specific. The benzaldehyde showed a good linear relationship in the range of 0.05～6.00 ng/mL, and the correlation coefficient was 0.996 2. The detection limits and quantitation limits of the method were 0.80×10-3 ng/mL and 2.71×10-3 …

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Uncertainty Evaluation For The Determination Of 3 Plasticizers In Liquor By Gc-Ms/Ms, Yan Shunhua, Ye Qing, Han Jinxuan, Dilinuer Shabituofu Dec 2018

Uncertainty Evaluation For The Determination Of 3 Plasticizers In Liquor By Gc-Ms/Ms, Yan Shunhua, Ye Qing, Han Jinxuan, Dilinuer Shabituofu

Food and Machinery

To evaluate the uncertainty of measurement in the determination of DIBP, DBP and DEHP in Liquor by GC-MS/MS. According to “JJF 1135—2005 Evaluation of Uncertainty in Chemical Analysis Measurement” and “JJF 1059.1—2012 Evaluation and Expression of Uncertainty in Measurement”, a mathematical model was established for uncertainty evaluation. The sources of uncertainty that may be introduced were analyzed and each component of uncertainty was quantified for the calculation of the combined uncertainty, The results showed that the expand uncertainty for DIBP, DBP, DEHP were 0.060, 0.062, 0.17 mg/kg, respectively. The preparation of standard solution, measurement repeatability and curve fitting were found …

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Migration And Change Of Heavy Metal During The Pickling Of Candied Fruits, Li Wenxiang, Zhou Songhang, Wang Can, Long Qiang, Liu Yang, Lin Wenhua, Cao Xiaoyan Dec 2018

Migration And Change Of Heavy Metal During The Pickling Of Candied Fruits, Li Wenxiang, Zhou Songhang, Wang Can, Long Qiang, Liu Yang, Lin Wenhua, Cao Xiaoyan

Food and Machinery

In this study, based on the determination of heavy metal residues in raw materials, the migration behavior of heavy metal in candied fruits was preliminary analyzed by monitoring dynamic changes of heavy metal content during pickling. The results showed that the contents of Plumbum, Cadmium, Chromium, Mercury and Arsenic in raw materials were 0.151 0, 0.024 1, 0.110 0, 0.000 0, 0.013 2 mg/kg, respectively; During the pickling process, residual heavy metal elements could migrate into the pickling solution, and significant differences were found in migration and relative behavior for different heavy metal elements. The contents of Plumbum, Cadmium, Cadmium …

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Regulation Dimension Of Food Safety Events In China From The Perspective Of Economics Of Law, Ji Liying Dec 2018

Regulation Dimension Of Food Safety Events In China From The Perspective Of Economics Of Law, Ji Liying

Food and Machinery

According to the hypothesis of rational economic man in economics of law, the main reasons for food safety incidents are that the total income of food safety violations is greater than the risk cost, and the lower expectation of the offenders for the cost of food safety violations and the harm of food safety violations. However, the current food safety-related laws and regulations have some problems, such as too light punishment for food safety violations, frequent violations by leading enterprises in the food industry, and lack of overall planning for food safety regulation, so that food safety violations have considerable …

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The Improved Design And Simulation Study Based On Unpowered Roller Conveyor, Liu Zhihai, Cui Xinlong, Bai Hailong Dec 2018

The Improved Design And Simulation Study Based On Unpowered Roller Conveyor, Liu Zhihai, Cui Xinlong, Bai Hailong

Food and Machinery

Because of the humidity in the tofu factory, a pneumatic conveyor was designed to carry food boxes in the humid factory. The cylinder telescoped to provide power for the whole conveyor. In this study, the basic structure and working principle of the conveyor were described, and the velocity relationship between the input and output components was deduced for the need of equipment improvement and control. The working process of the conveyor was simulated by using the fluid dynamics simulation software flow 3D, which verified its practical feasibility and provided a data reference for the later electromechanical control.

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Design Of Intelligent Milk Machine Based On User Behavior Contact, Wang Weiwei, Wang Wei, Li Huanni Dec 2018

Design Of Intelligent Milk Machine Based On User Behavior Contact, Wang Weiwei, Wang Wei, Li Huanni

Food and Machinery

In order to optimize and upgrade the intelligent milk machine, solve the problems encountered during the operation, a intelligent milk machine that improves the user's operating experience was designed by analyzing the users' behavioral contacts. The users’ behavior were observed to identify the touch points of using process and sort the contact priorities. Moreover, intelligent milk machine was designed by analytic hierarchy process. According to the design method, the demand point was transformed into a design opportunity to construct a intelligent milk machine design framework. Based on user behavior, intelligent milk machine was produced for the users to operate it …

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Reflection On The Alienation Of Modern Food Packaging Design, Xu Jiao, Sun Xiangming Dec 2018

Reflection On The Alienation Of Modern Food Packaging Design, Xu Jiao, Sun Xiangming

Food and Machinery

In the contemporary social, food packaging design is no longer simply used to protect food and facilitate transportation, but also carries the use of brand image and product marketing promotions. However, when the commerciality of food packaging is overstated, food packaging becomes a commercial tool, triggering a series of food packaging design. The problem of alienation is that food packaging originally serves people, which in turn restricts and affects their own development. Through the analysis of alienation phenomenon in food packaging design, this study intends to warn people to predict the possible consequences of design in time and objectively in …

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The Changes Intexture And Physicochemical Properties Of Giant Freshwater Prown (Macrobrachium Rosenbergii) During Frozen Storage, Liu Jiatong, Jiang Qixing, Yang Fang, Wang Bin, Xu Yanshun, Xia Wenshui, Xu Yan Dec 2018

The Changes Intexture And Physicochemical Properties Of Giant Freshwater Prown (Macrobrachium Rosenbergii) During Frozen Storage, Liu Jiatong, Jiang Qixing, Yang Fang, Wang Bin, Xu Yanshun, Xia Wenshui, Xu Yan

Food and Machinery

The texture and physicochemical properties of giant freshwater prawn during frozen storage were investigated in this study. The quality differences of frozen whole prawn and headless prawn were compared and analyzed by shear stress, myofibrillar fragmentation index, myofibrillar apparent diameter, TCA soluble peptide and total protease activity. The results showed that the shear force of prawn decreased with the extension of storage time. The shear force of frozen whole prawn decreased more rapidly than headless prawn. After 16 weeks, the shear force of frozen whole prawns and headless shrimp decreased by 36.81% and 25.40%. The myofibril fragmentation index and TCA …

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Effect Of Electrostatic Field Combind With Controlled Freezing-Point Storage Technology On The Quality Of Litopenaeus Vannamei In Storage Period, Duan Weiwen, Quan Qinguo, Zhang Xueqin, Zhang Zewei, Chen Ming, Zeng Xuege, Liu Shucheng, Ji Hongwu Dec 2018

Effect Of Electrostatic Field Combind With Controlled Freezing-Point Storage Technology On The Quality Of Litopenaeus Vannamei In Storage Period, Duan Weiwen, Quan Qinguo, Zhang Xueqin, Zhang Zewei, Chen Ming, Zeng Xuege, Liu Shucheng, Ji Hongwu

Food and Machinery

Used the electrostatic field combined with controlled freezing-point storage technology to preserve the Litopenaeus vannamei, and examined the effects of different electrostatic field（1.5,2.5,3.5 kV）combined with controlled freezing-point storage（-1 ℃±1 ℃）on quality of Litopenaeus vannamei. Some quality index changes were compared in Polyphenol Oxidase （PPO） relative enzyme activity, whiteness, sensory, total bacterial counts, TVB-N, pH, drip loss, K value and rheology property. The results showed that electrostatic field inhibited the PPO relative enzyme activity, the sensory and whiteness significantly better than the controlled freezing-point storage. In the late period of storage, the total bacterial counts was inhibited by electrostatic field and …

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Effect Of Wild Oat Beta Glucan On The Quality Of Frozen Cooked Noodles, Fan Jiaxuan, Qiu Qingyang, Wang Jinrong, Guo Xiaona, Zhu Kexue Dec 2018

Effect Of Wild Oat Beta Glucan On The Quality Of Frozen Cooked Noodles, Fan Jiaxuan, Qiu Qingyang, Wang Jinrong, Guo Xiaona, Zhu Kexue

Food and Machinery

In order to explore the feasibility of application of beta-glucan as the texturizine agent in the processing of frozen cooked noodles. In the present study, the texture indices were measured, and the moisture distribution was determined by NMR as well as the food quality was evaluated by the sensory assessors. The results showed that with the increase of the addition amount of oat beta-glucan, recooking water absorption, pre-cooking loss and recooking loss presented the first increase and then decrease. The quality characteristics of cooked noodles such as the hardness, springiness and chewiness presented the first decrease and then increase. When …

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