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Food Processing Commons™

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2015

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Articles 331 - 360 of 432

Full-Text Articles in Food Processing

Pistachio Sorting Model Research Using Impact Acoustics, Zang Fuyao, Feng Tao, Wang Jing, Hu Junjie Apr 2015

Pistachio Sorting Model Research Using Impact Acoustics, Zang Fuyao, Feng Tao, Wang Jing, Hu Junjie

Food and Machinery

Pistachio sorting technique research using impact acoustics is a method, which is to make pistachio vibrating and sounding when impacted, and get the connection between its signal features and structure characteristics through acoustics analyzing. Pistachio is considered as a nested ball , and analyses the whole process from the ground until the last moment of free vibration attenuation, and explains that the time domain and frequency domain characteristics of pistachio will perform different vibration characteristics based on the levels of opening. A new selecting method based on time-domain signal integrated logarithmic decrement is presented, and sorting effect is obvious.

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Improvement On Box Trademark Paper Feeding Clutch Of Zb45 Type Packing Machine, Deng Meidong Apr 2015

Improvement On Box Trademark Paper Feeding Clutch Of Zb45 Type Packing Machine, Deng Meidong

Food and Machinery

In order to solve the electromagnetic clutch type ZB45 packaging machine box trademark paper feed drive system, the movable friction plate limiting ring is easy to shift, a reset spring ring and the clutch friction surface wear, resulting in trademark paper supply system not to the bank paper conveying trademark paper laminated or feeding jam fault problem. Based on the electromagnetic clutch structure analysis, using the way of reduction to replace the original spacing ring, replace the original spring ring spring to plug with screw limit, including the improvement of re design positioning ring, spring and frame structure of the …

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Design Of Small Multi-Functional Stamp Mill, Zhang Wenbin Apr 2015

Design Of Small Multi-Functional Stamp Mill, Zhang Wenbin

Food and Machinery

Focusing on the current red chill powder made by the stamp mill lacks the traditional taste, a new small multi-functional stamp mill is designed. This machine uses the motor to drive the transmission shaft, then drive the sheave to elevate the tamper, so the red chill will be stamp crushing by the weight of the tamper. At the same time, rotating of the cylinder barrel increases the chance for stamp crushing. And the split design of the tamper adds the flexibility and adjustability. The practical testing results show that this machine could keep the traditional taste by imitating the traditional …

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Brush Roll Washing Machine Of Scallops, Teng Guijun, Yi Jinggang, Liu Jiangtao, Li Na Apr 2015

Brush Roll Washing Machine Of Scallops, Teng Guijun, Yi Jinggang, Liu Jiangtao, Li Na

Food and Machinery

To reduce artificial participation in the manufacturing process of the bay scallop. The spiral brush roller type cleaning method was used to clean the bay scallop. Combined with the related cleaning mechanism in view of the characteristics of the bay scallop to improve and innovate design the main feature. Hollow spiral brush roll at the same time play a role in cleaning and transport, and there is a water pipe arranged above every brush roll, brush roll and water together to make a better cleaning effect.

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Aesthetic Representation And Enlightenment Of Streamlined Design Based On Food Packaging Design, Liu Jun Apr 2015

Aesthetic Representation And Enlightenment Of Streamlined Design Based On Food Packaging Design, Liu Jun

Food and Machinery

Streamlined as a style is unique, it is mainly due to the condition of scientific research and industrial production rather than aesthetic theory. The new era requires new forms, new symbol, and it is up to the demands of early American commercial design. Streamlined design expanded food packaging design tool value to the unique esthetic connotation, significantly enhance the food packaging design validity and pertinence. Streamlined design aesthetic, the mutual influence of streamline design and industrial, commercial, have far-reaching role in the enlightenment to our modern design.

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Effects Of Different Packing Materials On Quality Of Peanut Fats By Different Gas Sealed Storage, Zhu Shuilan, Liu Guangxian, Zhou Jinying, Fu Ying, Pan Runtian, Feng Jianxiong Apr 2015

Effects Of Different Packing Materials On Quality Of Peanut Fats By Different Gas Sealed Storage, Zhu Shuilan, Liu Guangxian, Zhou Jinying, Fu Ying, Pan Runtian, Feng Jianxiong

Food and Machinery

In order to study the influence of four packaging materials and five modified atmospheres on peanut kernels in the storage. Through accelerated aging in 45 ℃ condition, with acid value and peroxide value as index, the best packaging materials and inflatable way were be selected. The results showed that, the order of packaging material to inhibit oxidation of peanut storage effect size was: five layer coextrusion 10 silk bag > composite 12 silk bag > composite 10 silk bag > nylon composite bag; The order of Inflatable way to inhibit oxidation of peanut storage effect size was:packing with nitrogen in vacuum > packing with …

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Interaction Between Food Components And Packaging Materials With Hpp, Cheng Xin, Tang Yali, Wang Shujuan, Fang Yan Apr 2015

Interaction Between Food Components And Packaging Materials With Hpp, Cheng Xin, Tang Yali, Wang Shujuan, Fang Yan

Food and Machinery

To study the structure and property, the interaction between the material and the food simulant under High Pressure Processing (HPP). Two kinds of plastic films including PA/PE and PET/PE which have the contents of soy protein, fats and other food were processed under ultra-high pressure condition, stored a certain period and measured the interaction between the food contents and packaging materials under different pressure and dwell time. The results show that: the performance of high pressure treatment of two polymer packaging materials is better than the packaging materials which are not to be treated in a certain storage period; Holding …

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Application Development And Research Of Intermediate Temperature Area Theory On Preservation Of Seafood Products, Yang Xi, Xie Jing Apr 2015

Application Development And Research Of Intermediate Temperature Area Theory On Preservation Of Seafood Products, Yang Xi, Xie Jing

Food and Machinery

Seafood products were easier spoilage than others, storage temperature was an important factor of extending shelf life, maintaining quality. Intermediate temperature area, namely, －4～0 ℃ was widely studied, which inhibits breeding of harmful microorganism, reduces tissue destruction and external damage, recedes lipid oxidation and protein degradation. In this article, the influence of intermediate temperature area on sensory, microbiology, physics, and chemistry of seafood products was further explored. The article will provide some important theoretical references for the research on the application of intermediate temperature area storage on the quality of seafood products.

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Screening Of Predictive Model For Staphyloccocus Aureus Growth In Frozen Surimi, Huang Xiao, Cai Yinghui, Guo Jie, Zhao Xiaozhen Apr 2015

Screening Of Predictive Model For Staphyloccocus Aureus Growth In Frozen Surimi, Huang Xiao, Cai Yinghui, Guo Jie, Zhao Xiaozhen

Food and Machinery

In order to establish the growth model of Staphylococcus aureus，the frozen surimi product was inoculated with S. aureus and Gompertz model, Logistic model, Richards model, etc, were selected to fitting the growth data of S. aureus at 10, 15, 20 and 25 ℃, respectively. Residual distribution and degree of fitting (RSS, RSE, AIC) analyses were used to evaluate model fitting ability and choose the optimal model for the growth of S. aureus in frozen surimi. The results of the comparison showed that the smallest RSS, RSE and AIC values fitted by Logistic model at 10 ℃ were 0.742, 0.352 and …

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Preparation And Antimicrobial Activity Evaluation Of Natural Herbal Bacteriostatic Agent, Cui Haiying, Zhou Hui, Zhang Xuejing, Zhao Chengting, Li Wei, Lin Lin Apr 2015

Preparation And Antimicrobial Activity Evaluation Of Natural Herbal Bacteriostatic Agent, Cui Haiying, Zhou Hui, Zhang Xuejing, Zhao Chengting, Li Wei, Lin Lin

Food and Machinery

The active substance was extracted from seven kinds of spices: nutmeg, cinnamon, thyme, Helichrysum italicum, Hypericum perforatum, licorice and rosemary, by use of ethanol. Then determined the minimal inhibitory concentration (MIC) of different extracts against 4 pathogenic bacteria: Escherichia coli, Staphyloccocus aureus, Vibrio parahaemolyticu and Salmonella typhimurium. The result suggests that, the MIC of nutmeg extraction was above 0.5% (V/V). The MIC of cinnamon extraction against Escherichia coli, Staphyloccocus aureus were both 0.2% (V/V), and the other MIC of different extraction were all 0.5% (V/V). According to the MIC results, this experiment chosen the other six kinds of spices except …

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Study Of Joint Preservation Packaging Technology Of Fresh-Cut Lettuces, Guo Juan, Zhang Jin, Yan Dandan Apr 2015

Study Of Joint Preservation Packaging Technology Of Fresh-Cut Lettuces, Guo Juan, Zhang Jin, Yan Dandan

Food and Machinery

As the evaluation indexes with the sensory characteristics, weight loss and nutrition, the effects were studied, including fresh-cut lettuces through using controlled storage temperature, choosing different packaging films as well as using modified atmosphere packaging technology. The results showed: if its water loss ratio reaches 3%～5%, and the chlorophyll content is less than 2.2 mg/g, they would lose food value. The best storage temperature is 5～10 ℃. By using the nanomaterials to package fresh-cut lettuces until 14 days under certain conditions, the weight loss was 1.4% and Vc content was 1.38 mg/100 g. By using the MAP technology to package …

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Effects Of Fish Brain Phospholipids On Lipid Metabolism In Mice, Li Hui, Fu Jiaqi, Yu Weiwei, Hu Jianen, Wu Long, Lu Hang Apr 2015

Effects Of Fish Brain Phospholipids On Lipid Metabolism In Mice, Li Hui, Fu Jiaqi, Yu Weiwei, Hu Jianen, Wu Long, Lu Hang

Food and Machinery

The effects of fish brain phospholipids on lipid levels in mice were measured. ICR mice were chosen as experimental animals, which were randomly divided into five groups, normal control group fed the basal diet, the rest of the groups fed with high fat diet. The results showed that the fish brain phospholipids can significantly reduce serum TC, TG and LDL-C levels. The results showed that the fish brain phospholipids have hypolipidemic effect.

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Optimization Of Extraction Process And Analysis Of Subunit Component Of Glutelin From Euryale Ferox Seed, Li Wei, Mao Jian, Chen Ting, Qi Bin Apr 2015

Optimization Of Extraction Process And Analysis Of Subunit Component Of Glutelin From Euryale Ferox Seed, Li Wei, Mao Jian, Chen Ting, Qi Bin

Food and Machinery

In order to optimize the extraction process and analysis of subunit component of glutelin from Euryale ferox seed, the effect of four variables including liquid/material ratio, temperature, time and sodium hydroxide concentration on the extraction yield of glutelin was investigated by alkali solution and acid isolation. The glutelin extraction model was fitted by means of Box-Behnken design. Moreover, the subunit component of glutelin from Euryale ferox seed was analyzed. The results indicated that the optimum conditions for glutelin in Euryale ferox were determined as 10.3 (V/m), 51 ℃, 2.2 h, 4.5 g/L for liquid/material ratio, temperature, time and sodium hydroxide …

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Process Investigation On Selenium-Protein From Selenium-Enriched Tea By Repeated Freezing And Thawing Alkali Extraction, Wang Jun, Dong Wenbin, Lang Fulian, Gao Erdong, Gou Jingxuan Apr 2015

Process Investigation On Selenium-Protein From Selenium-Enriched Tea By Repeated Freezing And Thawing Alkali Extraction, Wang Jun, Dong Wenbin, Lang Fulian, Gao Erdong, Gou Jingxuan

Food and Machinery

Orthogonal test was carried on, choosing four factors: liquid-solid ratio, alkali concentration, extraction times and temperature, three levels to optimize the extracting technology of selenium-protein, on the basis of single factor experiments. Through this test, a series of related coefficients about alkaline extraction assisted by freeze-thaw method were optimized. The optimum extraction technological conditions were obtained as follows: NaOH solution 0.1 mol/L, solid-liquid ratio 60︰1 (Ｖ︰m), extracting temperature 70 ℃, extracting time 3 h ,and extracting times twice,. Under these conditions, the extraction ratio of selenium-protein was 60.93%, the purity of which was 52.07%. The resulting crude protein was further …

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Optimization Of Process For Diacylglycerol Preparation From Rice Bran Oil, Wang Xia, Cheng Juan, Yi Weimin, Zhao Zhongshan, Lu Baoxin Apr 2015

Optimization Of Process For Diacylglycerol Preparation From Rice Bran Oil, Wang Xia, Cheng Juan, Yi Weimin, Zhao Zhongshan, Lu Baoxin

Food and Machinery

Technology conditions for diacylglycerol preparation from rice bran oil were optimized by response surface methodology. On the basis of four single factor experiments, for reaction temperature, reaction time, immobilized lipase addition quantity and reactants weight ratio were chosen as influence factors, through four-factor quadric orthogonal regression test and structure matrix constructing, quadratic regression model with diacylglycerol yield as response value was set up and analyzed. The results showed that optimal preparation conditions were reaction temperature 26 ℃, reaction time 10 h, immobilized lipase addition 8.5% and reactant weight ratio 14∶1. Under these optimized conditions, the theoretical yield was 60.36%, practical …

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Comparison And Optimization On Extraction Of Protein In Pepper Residues By Ultrasonic-Assisted Alkali Method, Tang Xinyuan, Xia Yanbin, Wen Xinyu, Wang Liangliang Apr 2015

Comparison And Optimization On Extraction Of Protein In Pepper Residues By Ultrasonic-Assisted Alkali Method, Tang Xinyuan, Xia Yanbin, Wen Xinyu, Wang Liangliang

Food and Machinery

With pepper residues as raw materials,extracting the protein through simple alkali method and ultrasonic waves alkali method were researched.The single-factor experiments showed that ultrasonic waves alkali method was much better than simple alkali method by increasing the protein extraction rate and largely reducing the extracting time.On the basis of orthogonal experimental design,it was concluded that the maximum protein extracted from alkali solution was 86.41% and 60.09% from the sediments after acidification and lyophilization.The best conditions were acquired by the material-liquid ratio 1∶25(m∶V), NaOH 0.3 mol/L, ultrasonic for 120 min with the temperature of 50 ℃ and the ideal isoelectric point …

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Microencapsulation Of Lactobacillus Para Casei With Alignate, Zou Ying, Wei Min, Xie Qi, Liu Huagui, Meng Xianghe Apr 2015

Microencapsulation Of Lactobacillus Para Casei With Alignate, Zou Ying, Wei Min, Xie Qi, Liu Huagui, Meng Xianghe

Food and Machinery

Survival of Lactobacillus paracasei. was investigated through alginate-microencapsulation followed by freezing dry and storage at 4 ℃ for 28 d or simulated gastric and intestinal digestion. Results suggested that Soy protein isolate is suitable inner wall materials, isomaltose could improve survival of Lactobacillus paracasei during encapsulation and subsequent freezing dry process. When the capsulated Lactobacillus paracasei was prepared by using 2% of alginate and 0.2 mol/L CaCl2 with 3% SPI as inner wall material, 5% isomaltose as protectant, the 82% yield of Lactobacillus paracasei microcapsules and 93.31% encapsulation efficiency were achieved. The 3 h survival of capsulated Lactobacillus paracasei …

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Technology Of Flavorful And Nutritional Camellia Oil, Chen Zhixiang, Zhou Bo, Liang Yongming, Zhong Haiyan Apr 2015

Technology Of Flavorful And Nutritional Camellia Oil, Chen Zhixiang, Zhou Bo, Liang Yongming, Zhong Haiyan

Food and Machinery

In order to investigate the effect of roasting on quality of pressed camellia oil, different roasting temperature, and roasting time were selected during roast process. Oil yield, physicochemical properties, fatty acid and volatile flavor components were determined. The result showed that the roasting under 155 ℃ for 15 min was the optimum condition not only for the volatile flavor composition, but also for the physicochemical indices. The fatty acid composition had little bit change with different roasting temperature, roasting time. Most indicators of the oil pressed under above conditions can meet the requirements the first grade oil in GB 11765—2003, …

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Study On Hydrolysis Conditions Of Sipunculus Nudus By Response Surface Methodology, Sun Xueping, Yang Jialin, Xu Yan, Liu Haijuan, Ren Yi Apr 2015

Study On Hydrolysis Conditions Of Sipunculus Nudus By Response Surface Methodology, Sun Xueping, Yang Jialin, Xu Yan, Liu Haijuan, Ren Yi

Food and Machinery

Using DH (degree of hydrolysis) as the main index, hydrolysis effects on Sipunculus nudus protein of seven proteases were compared. On the basis of single factor experiment, response surface methodology and Box-Behnken model were employed to establish the quadratic model for optimization the hydrolysis conditions. Results showed that the DH of Protamex was higher than those of others. The optimum hydrolysis conditions were as follows: the ratio of enzyme to substrate of 7.8%, hydrolysis time of 4 h and the hydrolysis temperature at 50 ℃. Under this condition, DH reached 24.81%. This study was aimed to provide theoretical basis for …

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Progress Of Foodborne Antioxidant In Neurodegenerative Diseases, L Vzhaoliang, Xu Zhou, We Nli, Y Uhuixin, Zhang Li, Chen Gyunhui Apr 2015

Progress Of Foodborne Antioxidant In Neurodegenerative Diseases, L Vzhaoliang, Xu Zhou, We Nli, Y Uhuixin, Zhang Li, Chen Gyunhui

Food and Machinery

Neurodegenerative diseases (NDs) are caused by the loss of neurons, and worsen with the passage of time, to result in dysfunction. A large number of studies have found most neurodegenerative diseases had associations with the oxidative process and free radical damage. In recent years, foodborne antioxidants such as vitamin, flavonoids and other polyphenolics, polysacharides and saponins are used in the prevention and treatment of the NDs. This review indicates the relationship between oxidative stress and NDs, and focuses on the role of various foodborne antioxidants in the prevention of neurodegenerative diseases.

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Research Progress On Cold Fresh Chicken Preservation, Ye Zao, Xie Jing Apr 2015

Research Progress On Cold Fresh Chicken Preservation, Ye Zao, Xie Jing

Food and Machinery

Several preservatives commonly used for cold fresh chicken are briefly introduced in this paper, and the recent research of biological preservatives such as tea polyphenols, oregano essential oil, Nisin, lactobacillus fermentation, chitosan, bacteriolysis enzyme and combined biological preservatives were elaborated in detail. The combined biological preservatives may obtain more advantages for further development in cold fresh chicken preservation due to their safety and high-efficiency.

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Progress On Detection And Removal Technology Of Heavy Metals In Food, Fu Yaping, Wu Weiguo Apr 2015

Progress On Detection And Removal Technology Of Heavy Metals In Food, Fu Yaping, Wu Weiguo

Food and Machinery

With the development of modern industrial society, it becomes an increasingly serious problem of excessive heavy metals in food. For cumulative heavy metals will harm human health, there are many studies about the detection and removal technologies of heavy metals in food. The detection and their removal technologies of heavy metals in food were reviewed, and the development prospects of removal technologies were summarized at last.

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Review On Extraction Methods And Function Activity Of Blueberry Polyphenols, Wu He, Wang Yuanliang, Zhao Lin, Liu Anran, Chen Chouwei Apr 2015

Review On Extraction Methods And Function Activity Of Blueberry Polyphenols, Wu He, Wang Yuanliang, Zhao Lin, Liu Anran, Chen Chouwei

Food and Machinery

Blueberry polyphenols, as efficient bio-active substances, play an important role in anti-oxidation and subhealth improvement. Besides of conventional resolving extraction, methods of high efficiency and extraction rate also have been applied to it with the development of technology; functional studies also have gradually developed to the molecular and cellular level. For the purpose to offer an advisory opinion for further discuss, the research progresses of solvent, ultrasonic, enzymatic, microwave-assisted extraction process; and the ability of slowing down the occurrence of malignant diseases, improving sub-health state of human body of blueberry polyphenols are summarized in this passage.

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Nutrient Value And Health-Care Functionof Xiang-Lotus And Its Development In Food Industry, Wang Liangliang, Xia Yanbin, Ren Mei Apr 2015

Nutrient Value And Health-Care Functionof Xiang-Lotus And Its Development In Food Industry, Wang Liangliang, Xia Yanbin, Ren Mei

Food and Machinery

Xiang-lotus is rich in nutrition with numerous health benefits and nutrition will be improvement after germination. This paper introduced the nutrient value and health care function of Xiang-lotus, development and utilization in food industry. It can provide a research reference for intensive processing and comprehensive utilization as well.

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Construction Of Food Logistics Security System In The Large Scale Sports Events, Qiu Ying Apr 2015

Construction Of Food Logistics Security System In The Large Scale Sports Events, Qiu Ying

Food and Machinery

Large scale sports events of food logistics safety is directly related to all persons and events related to the health of the diet, can be held smoothly plays a very important role, A framework for food logistics security system should be constructed for the scientification and effectiveness. This paper first analysis of food logistics safety of large-scale sports events involved in the procurement and distribution of food ingredients two aspects, analysis of the subject involved, including suppliers, suppliers of food ingredients and the organization itself, points out the main problems that may arise, including food quality and safety of individual …

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Defects And Perfect Of Law Supervision Of Food Additives, Li Ulian Apr 2015

Defects And Perfect Of Law Supervision Of Food Additives, Li Ulian

Food and Machinery

Guard on food additives should be paid high attention that is important in food safety concerning people’s safety and the development of market. But our mechanism on food additives is out of date including its law regulation and regulators. Learn from EU and JPN’s experiences of guarding food additives. Not only amend the law regulations, innovate supervision system, but also integrate the social supervision mechanism.

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The Plight And Outlet Of The Management Of Food Enterprise, Liu Jiping Apr 2015

The Plight And Outlet Of The Management Of Food Enterprise, Liu Jiping

Food and Machinery

The management of food enterprise contains several problems, such as lacking of strict quality management system, consciously adding prohibited toxic chemicals, the lack of ability of crisis management, sale management and consumer demands. The causes of these problems are the consciousness of enterprise management personnel quality and safety management, the lack of basic occupation ethics, neglecting the interaction with consumers, and old-style of sales management. To solve the dilemma of food enterprises, some corresponding measures should be taking, including establishing the concept of "people-oriented", promoting the establishment of quality and safety management, the establishment of the third party quality safety …

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Teaching Reform On The Courses Of Food Chemistry Based Concept Of Cdio, Zhou Aimei, Liu Xin, Zhao Lichao, Liu Xiaojuan, Xiao Suyao, Cao Yong Apr 2015

Teaching Reform On The Courses Of Food Chemistry Based Concept Of Cdio, Zhou Aimei, Liu Xin, Zhao Lichao, Liu Xiaojuan, Xiao Suyao, Cao Yong

Food and Machinery

CDIO is the English abbreviation of Conceive, Design, Implement and Operate, whose concept is to provide a realistic social practice and standards of engineering education for students. With the guidance of CDIO theory, CDIO engineering education mode was introduced into the teaching reform of food chemistry course. Three changes of teaching concept were proposed, and teaching mode was actively reformed based on these changes. By those reform, the independent learning ability, practice and innovation ability, communication ability,team spirit, and the whole CDIO process capability of students were cultivated or exercised.

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A Finite Element Method Based Microwave Heat Transfer Modeling Of Frozen Multi-Component Foods, Krishnamoorthy Pitchai Apr 2015

A Finite Element Method Based Microwave Heat Transfer Modeling Of Frozen Multi-Component Foods, Krishnamoorthy Pitchai

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Microwave heating is fast and convenient, but is highly non-uniform. Non-uniform heating in microwave cooking affects not only food quality but also food safety. Most food industries develop microwavable food products based on “cook-and-look” approach. This approach is time-consuming, labor intensive and expensive and may not result in optimal food product design that assures food safety and quality. Design of microwavable food can be realized through a simulation model which describes the physical mechanisms of microwave heating in mathematical expressions. The objective of this study was to develop a microwave heat transfer model to predict spatial and temporal profiles of …

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Western Farmers’ Markets In Kathmandu: Vendor Perspectives, Caroline Saunders Apr 2015

Western Farmers’ Markets In Kathmandu: Vendor Perspectives, Caroline Saunders

Independent Study Project (ISP) Collection

This study seeks to understand Western farmers’ markets (FMs) in Kathmandu by understanding vendors’ motivations for attending FMs; and further, their perspectives on the purpose and potential for expansion of FMs in Kathmandu’s food economy. In the US and Europe, FMs are often seen in the literature as a component of a social movement (SM) called the ‘alternative food movement’ (AFM) concerned with environmental sustainability and social justice within the processes of food production and consumption (Isenhour 2012). FMs, a type of direct market that offer face-to-face interaction between producers and consumers, are a site for the transmission of values …

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