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Articles 31 - 60 of 869
Full-Text Articles in Food Science
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
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 …
Effect Of Wild Oat Beta Glucan On The Quality Of Frozen Cooked Noodles, Fan Jiaxuan, Qiu Qingyang, Wang Jinrong, Guo Xiaona, Zhu Kexue
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 …
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
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 …
Preservation Effect Of Active Film Containing Oreganoessential Oil On Snakehead Slices, Du Yunfei, Fan Liyuan, Shen Chunhua
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 …
Infection Of Alternaria Alternata In Postharvest Jiashi Melon And 86-1 Melon, Maerhaba Paerhati, Bai Yujia, Wang Jin, Zhu Wantong, Adilai Tuersun, Feng Zuoshan
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 …
Studies On Curcumin And Cftr: Refutation And Recognition, Luan Jian, Cao Huanhuan, Zhou Xiaofu
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.
Development Of 3d Printing Technology Based On Edible Materials, Yang Laixia, Yang Fanrong, Gui Yulian, Li Jiapu
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 …
Research Progress Of Polyphenolic Compounds In Artichoke, Shi Mingyue, Cao Qingming, Zhong Wenhui, Yi Yingjian, Fang Yi, Zhang Zhikun, Zhou Wenhua
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.
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
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.
Advacnes On Biological And Farming Technology For The Prevention And Treatment Of Cadmium In Rice, Shen Junjun, Lin Qinlu, Luo Feijun
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 …
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
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 …
Effects Of Lactobacillus Fermentation On The Quality And Nutrient Of Tartary Buckwheat Seedling Beverage, Li Jun, Lu Yang, Liu Yongxiang, Liu Hui
Effects Of Lactobacillus Fermentation On The Quality And Nutrient Of Tartary Buckwheat Seedling Beverage, Li Jun, Lu Yang, Liu Yongxiang, Liu Hui
Food and Machinery
Bulgarian Lactobacillus, Streptococcus thermophilus and Lactobacillus plantarum were inoculated into tartary buckwheat seedling beverage for fermentation, and the changes of sensory score, number of live Lactobacillus, total sugar, reducing sugar, total acid, total protein, total flavone, rutin, quercetin and kaempferol 3-rutinoside were compared for the better lactic acid bacteria fermentation strains. The results showed that Lactobacillus could grow well in tartary buckwheat seedling beverage, and the fermentation activity of L. plantarum was higher than that of the other two lactobacilli, and the mixed fermentation of L. plantarum and L. bulgaricum had synergistic effect, and the product sensory score was the …
Community-Scale Water Treatment Systems In The Dominican Republic, Jonathan Racey, Annabelle Papai, Elise Fischer, Becca Johnson
Community-Scale Water Treatment Systems In The Dominican Republic, Jonathan Racey, Annabelle Papai, Elise Fischer, Becca Johnson
Engagement & Service-Learning Summit
Engagement and Service-Learning Summit: Reciprocal and Sustainable Partnerships
Morphometric Characteristics And Time To Hatch As Efficacious Indicators For Potential Nanotoxicity Assay In Zebrafish, Seyed-Mohammadreza Samaee, Nafiseh Manteghi, Robert A. Yokel, Mohammad Reza Mohajeri-Tehrani
Morphometric Characteristics And Time To Hatch As Efficacious Indicators For Potential Nanotoxicity Assay In Zebrafish, Seyed-Mohammadreza Samaee, Nafiseh Manteghi, Robert A. Yokel, Mohammad Reza Mohajeri-Tehrani
Pharmaceutical Sciences Faculty Publications
Although the effects of nano-sized titania (nTiO2) on hatching events (change in hatching time and total hatching) in zebrafish have been reported, additional consequences of nTiO2 exposure (i.e., the effects of nTiO2-induced changes in hatching events and morphometric parameters on embryo-larvae development and survivability) have not been reported. To address this knowledge gap, embryos 4 h postfertilization were exposed to nTiO2 (0, 0.01, 10, and 1000 μg/mL) for 220 h. Hatching rate (58, 82, and 106 h postexposure [hpe]), survival rate (8 times from 34 to 202 hpe), and 21 morphometric characteristics (8 times …
Dietary Acculturation Of Obesity Risk Reduction Behaviors In Chinese Americans, Doreen Liou, Kathleen Bauer, Emily Fowler
Dietary Acculturation Of Obesity Risk Reduction Behaviors In Chinese Americans, Doreen Liou, Kathleen Bauer, Emily Fowler
Department of Nutrition and Food Studies Scholarship and Creative Works
Increasing rates of obesity among successive generations occur among Chinese Americans. This cross-sectional survey measured obesity risk reduction behaviors and degree of acculturation among a convenience sample of 203 Chinese Americans living in Los Angeles, California. Asian-identified participants were most likely to follow traditional healthful Chinese food patterns, and Western-identified individuals were more apt to engage in leisure physical activity. Individuals categorized as bicultural were prone to use limited amounts of fats or oils when preparing foods. Health professionals and educators working with Chinese Americans need to consider the impact of acculturation affecting the adoption of obesity prevention behaviors.
Impact Of A School-Based Culinary Nutrition Education Program On Vegetable Consumption Behavior, Intention, And Personal Factors Among Korean Second-Graders, Yeon Bai, Young Hee Kim, Young Hee Han, Taisun Hyun
Impact Of A School-Based Culinary Nutrition Education Program On Vegetable Consumption Behavior, Intention, And Personal Factors Among Korean Second-Graders, Yeon Bai, Young Hee Kim, Young Hee Han, Taisun Hyun
Department of Nutrition and Food Studies Scholarship and Creative Works
BACKGROUND/OBJECTIVES: Veggiecation was developed to improve children’s vegetable consumption through classroom lecture and cooking activities. In this study, we explored potential determinants of vegetable consumption behavior and intention, and examined the impact of Veggiecation on vegetable consumption behavior, intention and personal factors among Korean children. SUBJECTS/METHODS: The 4-week Veggiecation program was implemented for second-graders in South Korea (35 children in the intervention group, 36 in the control group). We identified personal and environmental factors influencing vegetable consumption behavior and intention using multiple regression analyses. Consumption behavior, intention and, personal factors such as preference, attitude, and self-efficacy were compared between the …
Efficacy Of Antimicrobial Mitigation On Escherichia Coli Cfu And Growth And Development Of Hydroponic Leafy Greens, Nathan J. Eylands
Efficacy Of Antimicrobial Mitigation On Escherichia Coli Cfu And Growth And Development Of Hydroponic Leafy Greens, Nathan J. Eylands
Graduate Theses and Dissertations
The Food and Drug Administration (FDA) have set new standards that apply to agriculturalists producing crops eaten fresh and/or raw by consumers. This new produce safety rule, known as the Food Safety Modernization Act (FSMA), has established science-based standards for all areas of production in agriculture with regards to microbial contamination. Escherichia coli (E. coli) O157:H7 is a particular bacterium of concern under FSMA guidelines. Grower compliance is mandatory and therefore vital to the continuation of any farm. Greenhouse hydroponic growers have shown advantages in efficiency when compared to conventional farming methodology. Those, however, with recirculating hydroponic systems face unique …
Microbiota Metabolic Product Deoxycholic Acid Prevents Campylobacter Jejuni Chicken Colonization Through Modulating Ceca Anaerobes, Bilal Ali Alrubaye
Microbiota Metabolic Product Deoxycholic Acid Prevents Campylobacter Jejuni Chicken Colonization Through Modulating Ceca Anaerobes, Bilal Ali Alrubaye
Graduate Theses and Dissertations
Campylobacter jejuni is a prevalent infectious enteritis mainly foodborne from chickens. Despite of reducing C. jejuni food contamination dramatically decreases campylobacteriosis, few effective approaches are available for the bacterial reduction in chickens. The aim of this study was to use microbial metabolic product deoxycholic acid (DCA) to reduce C. jejuni chicken colonization. Broiler chicks were fed 0 or 1.5 g/kg DCA, lithocholic acid (LCA), or urodeoxycholic acid (UDCA) in diets or orally gavaged with cholic acid (CA, 1.5g/kg body weight). Birds were also transplanted with DCA modulated anaerobes (DCA-Anearo) or aerobes (DCA-Aero). Birds were infected with 109 CFU/bird human clinical …
Aqueous Ozone Inactivation Of Viruses And Bacteria On Biotic And Abiotic Surfaces, Cailin Dawley
Aqueous Ozone Inactivation Of Viruses And Bacteria On Biotic And Abiotic Surfaces, Cailin Dawley
Graduate Theses and Dissertations
Produce is susceptible to contamination by foodborne pathogens. Food service establishments utilize sanitizing agents to reduce microbes on produce surfaces. The research objectives were to evaluate the efficacy of aqueous ozone 1) on the inactivation of viruses and bacteria on produce; 2) on the inactivation of viruses on stainless steel; and 3) against viruses in association with bacteria on produce surfaces. For objective 1, Boston bibb lettuce and cherry tomatoes were spot inoculated with a cocktail of viruses (murine norovirus (MNV) and MS2 bacteriophage) or bacteria (Enterobacter cloacae and Bacillus cereus) and washed for 40 min with samples taken every …
Efficacy Of Natural Compounds With Novel Carrier Systems For Controlling Campylobacter Jejuni In Post-Harvest Poultry, Sandip Shrestha
Efficacy Of Natural Compounds With Novel Carrier Systems For Controlling Campylobacter Jejuni In Post-Harvest Poultry, Sandip Shrestha
Graduate Theses and Dissertations
Campylobacter jejuni, a leading cause of bacterial gastroenteritis worldwide, is strongly associated with the consumption and/or mishandling of raw contaminated poultry products. Thus, interventions aiming to reduce C. jejuni counts on poultry products could greatly reduce the incidence of human campylobacteriosis. In the first study, the efficacy of a generally recongnized as safe (GRAS) compound, carvacrol (CR; derived from oregano oil), as an antimicrobial wash treatment to reduce C. jejuni on chicken skin was evaluated. Three delivery systems of CR: suspension, emulsion and nanoemulsion were used. C. jejuni counts were reduced up to 4 log10 cfu/sample by 2% dose of …
Development Of A Methodology For Predicting Consumer Acceptance And Preference Toward Beverages, Shilpa Shailesh Samant
Development Of A Methodology For Predicting Consumer Acceptance And Preference Toward Beverages, Shilpa Shailesh Samant
Graduate Theses and Dissertations
Consumer behavior toward food/beverages is influenced by multisensory attribute perceptions as well as emotional experiences. Traditional methods of sensory testing lack the ability to capture emotional responses and as a result, measuring food/beverage-evoked emotions remains a research challenge. There were three objectives of this dissertation study. Firstly, this study aimed to develop prediction models of acceptance of and preference for basic taste solutions using sensory attribute intensities and emotional responses. Secondly, this study aimed to extend the findings of the first objective to develop prediction models of commercially-available vegetable juice products in terms of (a) acceptance and preference under blind-tasting …
Assessment Of Salmonella Enterica Biofilms And Expression Differences Among Serovars, Zhaohao Shi
Assessment Of Salmonella Enterica Biofilms And Expression Differences Among Serovars, Zhaohao Shi
Graduate Theses and Dissertations
Biofilms are communities of microorganisms associated by a matrix of extracellular polymers. In this state, microorganisms occupy an ecological niche distinct from their free-floating, planktonic counterparts. Also, biofilm bacteria become biologically unique as they form communities and lose motility. The acquisition of these physiological attributes enables the biofilm to persist through harsh environmental conditions, including antimicrobial induced stress and to resist sanitization efforts. Because of these features, biofilms can rapidly disseminate across numerous surfaces and as they establish, become challenging to remove. This is a particular issue for the food industry as processing plants offer favorable conditions for biofilm formation …
Agro-Industrial Lignocellulosic Biomass: A Sustainable Platform For The Production Of Α-Amylase And Xylanase A, Rajeev Ravindran
Agro-Industrial Lignocellulosic Biomass: A Sustainable Platform For The Production Of Α-Amylase And Xylanase A, Rajeev Ravindran
Doctoral
Enzymes such as α-amylase and xylanase offer potential for numerous industrial applications such as food, beverage, and animal feed production, detergents, textile, cosmetics and biodiesel production. Economic factors such as achievement of optimum yields and production cost are the main deterrents in the industrial use of these enzymes. Enzymes are generally produced via microbial fermentation using expensive mediums which account for 30 to 40% of the production cost. Food industry wastes such as spent coffee waste (SCW) and Brewers’ spent grain (BSG) are two of the most common food waste products expelled by the food and beverage industry here in …
Comparison Of Short-Grain Rice Cultivars Grown In Japan And The United States, Michiyo Nishiwaki
Comparison Of Short-Grain Rice Cultivars Grown In Japan And The United States, Michiyo Nishiwaki
Food Science Undergraduate Honors Theses
Although short-grain rice accounts for less than 2% of U.S. rice production, the demand for short-grain rice is expected to increase because of the increasing popularity of sushi and sake. The objective of this study was to compare the physical, chemical and textural properties of short-grain rice cultivars grown in Japan and in the U.S. Seven short-grain rice cultivars from the 2016 crop year were collected, including five cultivars (Hatsushimo, Kinuhikari, Koshihikari, Nanatsuboshi, and Yumepirika) grown and purchased in grocery stores in Japan, one (RU9601099) grown in Arkansas, and one (CH-202) grown in California. The rice cultivars were characterized for …
Ripeness Attributes Of Arkansas-Grown Peaches And Nectarines At Harvest And During Postharvest Storage, Mary Siebenmorgen
Ripeness Attributes Of Arkansas-Grown Peaches And Nectarines At Harvest And During Postharvest Storage, Mary Siebenmorgen
Food Science Undergraduate Honors Theses
Evaluating ripeness attributes of peaches and nectarines helps determine feasibility for commercial markets. Five cultivars (Amoore Sweet, Bowden, Bradley, Effie, and Souvenirs) and five breeding selections (A-663 CN, A-794 CN, A-811 CN, A-819, and A-885) were hand harvested in 2017 from the University of Arkansas System Division of Agriculture’s Fruit Research Station in Clarksville, AR. The tree-ripened fruit was evaluated at harvest (day 0), and commercially-ripened fruit (ripened during storage) was evaluated at 0, 7 and 14 d storage at 4° C. The attributes of tree and commercially-ripened fruit varied at harvest and included chlorophyll (0.04-0.86 abs), weight (132-264 g), …
Consumer Perceptions Of Labeling Claims On Poultry Products, Sarah Townley
Consumer Perceptions Of Labeling Claims On Poultry Products, Sarah Townley
Agricultural Education, Communications and Technology Undergraduate Honors Theses
An increasing number of consumers wants more knowledge of how the food they eat is produced, and specifically, how animals used in the production of their food are raised. One method consumers use to become more aware of production practices behind the food they purchase and consume is simply reading food labels. Labeling claims can be defined as textual, pictorial, graphic, or symbolic representation that either explicitly states or implies that a food product has a specific set of properties supported by a certification process. The purpose of this study is to gather data regarding consumer knowledge and understanding of …
Energy And Water Assessment And Plausibility Of Reuse Of Spent Caustic Solution In A Midwest Fluid Milk Processing Plant, Carly Rain Adams
Energy And Water Assessment And Plausibility Of Reuse Of Spent Caustic Solution In A Midwest Fluid Milk Processing Plant, Carly Rain Adams
Department of Food Science and Technology: Dissertations, Theses, and Student Research
The Food Energy and Water Nexus (FEW Nexus) is the inseparable connection linking these resources. The concept of the FEW Nexus within the food industry addresses the connection of water and energy as key members of food production. The steady increase in population and the increase in food demand are directly related, therefore, the need for water and energy. Immediately taking on this critical challenge will lead to tangible impacts on the water and energy crisis facing the food system. To reduce the distance between process productivity and resource efficiency it must first be determined, within food processing, where water …
Design And Modeling Of A Soft Pneumatic Actuator, Sun Yilin, Zhang Qiuju, Chen Xiaoyan
Design And Modeling Of A Soft Pneumatic Actuator, Sun Yilin, Zhang Qiuju, Chen Xiaoyan
Food and Machinery
A soft pneumatic actuator for soft robots was designed in this study. Based on the Yeoh model and the principle of virtual work, the nonlinear relationship between the drive pressure and bending deformation was deduced. The finite element model and prototype were used to verify its validity, and this results provided the basis for the parameterized design and optimization of the soft actuator.
Research On The Detection Mechanism Of Dairy Products Basedon The Magnetoelastic Wireless Sensor, Wang Hua, Chen Dewen, Zhou Deqiang, Cao Piyu
Research On The Detection Mechanism Of Dairy Products Basedon The Magnetoelastic Wireless Sensor, Wang Hua, Chen Dewen, Zhou Deqiang, Cao Piyu
Food and Machinery
In view of the possible inclusion of Staphylococcus aureus in dairy products, a magnetoelastic S. aureus wireless sensor was developed to study the detection the mechanism of its magnetoelastic sensor in dairy products. By comparing the magnetic resonance wireless sensor's resonance frequency shift and fluorescent experiment in bacteria and aseptic dairy liquids, the analysis results showed that the resonant frequency of the magnetoelastic sensor could better reflect the weight of the sensor. When the mass of the sensor decreases or the liquid increased, the resonance frequency of the sensor decreased. It was also confirmed that the viscosity of the liquid …
Optimization Of Enzymatic Transformation Of2-O-Α-D-Glucopyranosyl-L-Ascorbic Acid, Huang Liping, Hao Jianhua, Wang Wei, Sun Jingjing, Liu Junzhong
Optimization Of Enzymatic Transformation Of2-O-Α-D-Glucopyranosyl-L-Ascorbic Acid, Huang Liping, Hao Jianhua, Wang Wei, Sun Jingjing, Liu Junzhong
Food and Machinery
2-O-α-D-glucopyranosyl L-ascorbic acid(AA-2G) was transformed by marine microorganism cyclodextrin glucanotrans-ferase (CGTase) using L-ascorbic acid and β-cyclodextrin(β-CD) as substrate. The qualitative and quantitative analyses of AA-2G were undertaken by LC-MS and HPLC. On the basis of single factor experiment Plackett-Burman design was carried out to determine three main effective factors (pH, substrate concentration, enzyme concentration). Then Box-Behnken design using three factors and three levels was applied to optimize synthesis conditions of AA-2G. The results indicated that the optimum conditions were pH 9.07, enzyme concentration 90.78 U/g·β-CD, substrate concentration 56.81 g/L, the ratio of substrate 1∶1(volume ratio), reacting for 24 h, at …