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Articles 1 - 30 of 34
Full-Text Articles in Life Sciences
Physicochemical Differences Between Camelid Single-Domain Antibodies And Mammalian Antibodies, Nazli Eda Eski̇er, Doğa Eski̇er, Esi̇n Fi̇ruzan, Si̇bel Kalyoncu
Physicochemical Differences Between Camelid Single-Domain Antibodies And Mammalian Antibodies, Nazli Eda Eski̇er, Doğa Eski̇er, Esi̇n Fi̇ruzan, Si̇bel Kalyoncu
Turkish Journal of Biology
Background/aim: In recent years, single-domain antibodies, also known as nanobodies, have emerged as an alternative to full immunoglobulin Gs (IgGs), due to their various advantages including increased solubility, faster clearance, and cheaper production. Nanobodies are generally derived from the variable domain of the camelid heavy-chain-only immunoglobulin Gs (hcIgGs). Due to the high sequence homology between variable heavy chains of camelids (VHHs) and humans (VHs), hcIgGs are ideal candidates for nanobody development. However, further examination is needed to understand the structural differences between VHs and VHHs. This analysis is essential for nanobody engineering to mitigate potential immunogenicity while preserving stability, functionality, …
Chemical And Biochemical Advantages Of The 'Hicaznar' Pomegranate Variety Over 'Katina' And 'Suruc' Varieties Grown In The Same Ecology, Beki̇r Erol Ak, Di̇cle Roza Sayi̇ner, İbrahi̇m Hali̇l Hati̇poğlu, Bi̇rgül Di̇kmetaş
Chemical And Biochemical Advantages Of The 'Hicaznar' Pomegranate Variety Over 'Katina' And 'Suruc' Varieties Grown In The Same Ecology, Beki̇r Erol Ak, Di̇cle Roza Sayi̇ner, İbrahi̇m Hali̇l Hati̇poğlu, Bi̇rgül Di̇kmetaş
Turkish Journal of Agriculture and Forestry
Pomegranate cultivation has spread to various parts of the world. Pomegranate has been grown almost anywhere in the world, mostly in Iran, India, China, Turkey and the United States. ‘Hicaznar’, ‘Katina’ and ‘Suruç’ pomegranate varieties were used as materials in this study. Analyses of antioxidants, sugars, anthocyanins, organic acids, and colourless phenolic compounds in the juices of these fruits were performed by HPLC and DPPH methods. According to our findings, the highest antioxidant capacity was found in ‘Hicaznar’ variety (19.42 mmol trolox L–1). ‘Hicaznar’ variety had high sugar composition in terms of glucose, fructose, and total sugars while the sucrose …
Research Progress On The Influence Of Protein On Physicochemical Properties, Microstructures And Digestive Properties Of Starch And Its Application, Zhao Hai-Bo, Sun Chun-Rui, Qiu Hong-Wei, Cui Bo, Cheng Yun-Hui, Chen Ling
Research Progress On The Influence Of Protein On Physicochemical Properties, Microstructures And Digestive Properties Of Starch And Its Application, Zhao Hai-Bo, Sun Chun-Rui, Qiu Hong-Wei, Cui Bo, Cheng Yun-Hui, Chen Ling
Food and Machinery
Starch and protein are two important components in food system. The interactions between starch and protein have important influence on the structure, physicochemical properties of starch and the texture and digestibility of starch-based food. In recent years, the effect of exogenous protein on starch-protein interaction in mixed system and its application have become a hot research topic in the field of food. This article reviews the interaction mode between starch and protein, the effect of protein on physicochemical properties （gelatinization properties, retrogradation properties, rheological properties, thermal properties and texture properties） and microstructure of starch-protein mixed system, summarizes the regulation effect …
The Effect Of Slaughtering Methods On The Muscle Quality Of Eels, Yang Li-Feng, Mao Shu-Can, Wang Lan, Li Ping, Zhou Zhi, Xiong Guang-Quan, Shi Liu
The Effect Of Slaughtering Methods On The Muscle Quality Of Eels, Yang Li-Feng, Mao Shu-Can, Wang Lan, Li Ping, Zhou Zhi, Xiong Guang-Quan, Shi Liu
Food and Machinery
Objective: This study aimed to investigate the effect of slaughtering methods on the muscle quality of eels. Methods: Two slaughtering methods （including mechanical slaughter and manual slaughter） were used to analyze the energy metabolism and physicochemical properties of eel meat slices during storage. Results: Duringstorage at 4 ℃ for 48 h, the glycogent and lactic acid content of eelfillets subjected to mechanical slaughter were lower than those of manual slaughtered samples generally. During 7 d-storage, the sensory deterioration of eel meat samples was retarded by mechanical slaughter, and the TVB-N and TBARS content were lower than those of manual slaughtered …
Effects Of Edible Fungi Fermentation Broths On The Physicochemical Properties And Nutritional Components Of Yogurt, Ma Xue-Lan, Zhou Lian-Yu, Ju Jia-Sheng, Sun Wen-Juan, Wang Long-Rui
Effects Of Edible Fungi Fermentation Broths On The Physicochemical Properties And Nutritional Components Of Yogurt, Ma Xue-Lan, Zhou Lian-Yu, Ju Jia-Sheng, Sun Wen-Juan, Wang Long-Rui
Food and Machinery
Objective: This study aimed to explore the effects of selenium-enriched fermentation broth of Armillaria luteo-virens and Tremellodon gelatinosum （Scop.） Pers. on the physicochemical properties and nutritional components of yogurt. Methods: The pH value, acidity, water holding capacity, protein, fat and mineral element contents in yogurt were determined by acidity meter, titration method, weighing method and spectrophotometry, respectively. Results: The sensory scores and acidity of yogurt at a dose of 5 mL/100 mL in two edible fungi fermentation broths were equal to the control group. Except for the 30 mL/100 mL A. luteo-virens fermentation broth, the acidity of the yogurt made …
Optimization On Extraction Of Cherry Seed Oil By Aqueous Enzymatic Method And Analysis Of Its Physical-Chemical Properties, He Lin-Feng, Wang Jing, Li Li-Qin, Xiao Di, Li Shang-Ze, Hu Yu
Optimization On Extraction Of Cherry Seed Oil By Aqueous Enzymatic Method And Analysis Of Its Physical-Chemical Properties, He Lin-Feng, Wang Jing, Li Li-Qin, Xiao Di, Li Shang-Ze, Hu Yu
Food and Machinery
Objective: To improve the availability of cherry seed, cherry seed oil was extracted by the aqueous enzymatic method. Methods: the ratio of mixed enzymes was optimized by mixture design on the basis of single factor experiment. The basic indexes of oil such as fatty acid composition and physical and chemical properties were detected. Results: the optimum extraction conditions were a 2.0% addition of mixed enzyme comprising cellulase, pectinase and acid protease （0.67∶0.10∶0.23）, liquid to material ratio of 10∶1 (mL/g), enzymolysis temperature of 45 ℃, pH of 4.0 and time of 4.0 h. The recovery of oil was 93.18% and the …
Physicochemical And Functional Characterization Of Enzymatic Modification Of Dietary Fiber In Two Edible Fungus, Xi-Ming Yang, Hong-Yan Xu, Chao Wang, Sheng-Nan Li, Xin-Rui Zhao
Physicochemical And Functional Characterization Of Enzymatic Modification Of Dietary Fiber In Two Edible Fungus, Xi-Ming Yang, Hong-Yan Xu, Chao Wang, Sheng-Nan Li, Xin-Rui Zhao
Food and Machinery
In this study, two kinds of edible fungus Sporisorium reilianum and Pleurotus eryngii were used as raw materials. Soluble dietary fiber (S-SDF, P-SDF) and insoluble dietary fiber (S-IDF, P-IDF) were prepared by enzyme-gravimetric method. The physicochemical properties including swelling capacity, water holding capacity and oil holding capacity, and the functional properties including glucose adsorption capacity, sodium cholate adsorption capacity, cholesterol adsorption capacity and glucose dialysis retardation index were measured respectively. Results showed that S-SDF had the strongest swelling force (11.83 mL/g). P-IDF had the strongest water holding capacity (4.55 g/g). P-SDF had the strongest oil holding capacity (3.01 g/g). S-IDF …
Rapid And Nondestructive Detection Of Physicochemical Properties Of Marzipan Based On Near Infrared Spectroscopy, Su-Bin Chen
Rapid And Nondestructive Detection Of Physicochemical Properties Of Marzipan Based On Near Infrared Spectroscopy, Su-Bin Chen
Food and Machinery
A calibration model of near-infrared spectroscopy for the determination of water and total sugar is established and optimized in order to realize the rapid detection of physical and chemical indexes of marzipan. The partial least square method is used to establish NIR calibration models for the determination of water and total sugar in marzipan. Then, the abnormal sample removal, spectral transformation, sample set partition and characteristic wavelength selection are used to optimize its performance. The results show that the number of modeling wave points of the moisture determination model is reduced to 0.8% of the total spectrum, R and R …
The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai
The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai
Food and Machinery
The physicochemical characteristics, including water holding capacity, oil holding capacity, swelling capacity, particle size, solubility, and thermal properties, of chickpea dietary fiber (DF), grape DF, soybean DF and wheat bran DF were evaluated in this study. The structural properties of DFs were characterized by Fourier transform infrared spectrum and scanning electron microscope. The results showed that chickpea DF had the best water holding capacity and oil holding capacity, at 2.45 g/g and 1.97 g/g, respectively. Wheat bran DF had the best swelling capacity (3.18 mL/g). The solubility of four dietary fibers were positively proportional to temperature, among which the solubility …
Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li
Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li
Food and Machinery
The resistant starch (RS3) was prepared by ultrasonic and thermal-press processing using the starch from Eleusine cor-acana (L.) Gaertn (finger millet) as a raw material. The physicochemical properties and digestive characteristics of the finger millet RS3 were characterized. The results showed that compared with the raw starch of finger milletraw, RS3 had greater solubility, thermal stability and freeze-thaw stability; while its swelling and settling properties were small, and these characteristics could be used to improve the texture of the food and increase the crispness of the food. Compared with ordinary corn RS3, the finger …
Primary Structure Characterization And Antioxidant Activity Of Polysaccharide From Zizyphus Jujuba Cv. Banzao, Li Nan, Zhang Xiangfei, Yang Chunjie
Primary Structure Characterization And Antioxidant Activity Of Polysaccharide From Zizyphus Jujuba Cv. Banzao, Li Nan, Zhang Xiangfei, Yang Chunjie
Food and Machinery
Objective:This study aimed to analyze the physicochemical properties, primary structure and antioxidant activity of polysaccharide from Zizyphus jujuba cv. Banzao.Methods:The polysaccharides were prepared by water extraction and alcohol precipitation, deproteinization with trichloroacetic acid and decolorization with hydrogen peroxide. The physicochemical properties of polysaccharides were studied, and the possible structures were predicted by Ultraviolet-visible (UV-Vis) and infrared (IR) spectroscopy. Finally, the free radical scavenging ability was determined.Results:The polysaccharide from Z. jujuba cv. Banzao contained the content of total sugar and uronic acid with 52.30% and 46.22%, respectively, and showed 64.70% of esterification degree, which was an …
The Effect Of Drying Method On The Physical And Chemical Properties And Antioxidant Activity Of Extruded Wheat Bran, Wu Fan, Wang Zhan, Zhou Jian, Shen Wang-Yang, Jia Xi-Wu
The Effect Of Drying Method On The Physical And Chemical Properties And Antioxidant Activity Of Extruded Wheat Bran, Wu Fan, Wang Zhan, Zhou Jian, Shen Wang-Yang, Jia Xi-Wu
Food and Machinery
Objective:Using wheat bran as raw material, the extruded bran is obtained by extrusion stabilization treatment, and the best drying method for extruded bran is determined.Methods:The effects of three drying methods (fluidized bed drying, microwave drying, hot air drying) were studied on the basic components of extruded bran, water holding capacity, water solubility, swelling power, oil holding power, color value and other physical and chemical properties, oxidation resistance, total phenols and total flavonoids; Using antioxidant, total phenols and total flavonoids as indicators to determine the best drying method for extruded bran.Results:The three drying methods have no …
Study On Physicochemical Properties, Antioxidant And Relieve Hyperchlorhydria Of Alkaline Electrolyzed Water With Different Negative Orp Value, Xia Rui, Zhong Geng, Li Tian, Yang Wang-Fu, Gao Yu-Ge
Study On Physicochemical Properties, Antioxidant And Relieve Hyperchlorhydria Of Alkaline Electrolyzed Water With Different Negative Orp Value, Xia Rui, Zhong Geng, Li Tian, Yang Wang-Fu, Gao Yu-Ge
Food and Machinery
Objective:Alkaline electrolyzed water (AEW) produced by drinking water electrolysis with three different negative REDOX potential values was used to study its physical and chemical properties, antioxidant and gastric acid relieving capacity.Methods:The pH value, oxidation-reduction potential (ORP), total dissolved solids (TDS) and mineral content of AEW were determined, and the free radical scavenging rate and anti-lipid peroxidation ability of AEW were studied by spectrophotometry. The acid capacity of different water samples in vitro was studied by artificial gastric model.Results:The negative ORP value of AEW is positively correlated with the pH value (P＜0.01). The scavenging …
Research Progress In Physicochemical Properties And Modification Methods Of Dietary Fiber, Chen Si-Yu, Jiao Ye, Cui Bo, Fang Fang, Yang Jing-Jie, Cheng Yun-Hui
Research Progress In Physicochemical Properties And Modification Methods Of Dietary Fiber, Chen Si-Yu, Jiao Ye, Cui Bo, Fang Fang, Yang Jing-Jie, Cheng Yun-Hui
Food and Machinery
This review introduced the classification, structure and physical and chemical properties of dietary fiber, and summarized the relevant research literature on the modification methods and physicochemical properties of dietary fiber at home and abroad in recent years. The development direction of the physicochemical properties of dietary fiber and its modification methods were also prospected, in order to provide a theoretical reference for its efficient and comprehensive utilization.
Physicochemical And Pasting Properties Of Flour And Starch From Two New Cassava Accessions, Raphael Aidoo, Ibok Nsa Oduro, Jacob K. Agbenorhevi, William Otoo Ellis, Nana Baah Pepra-Ameyaw
Physicochemical And Pasting Properties Of Flour And Starch From Two New Cassava Accessions, Raphael Aidoo, Ibok Nsa Oduro, Jacob K. Agbenorhevi, William Otoo Ellis, Nana Baah Pepra-Ameyaw
Food Science Faculty Articles and Research
Some new cassava accessions have been developed and released because of their high yield, resistance to disease, adaptability to wider ecological environment, and less cost of production. However, their flour and starch properties have not been characterized for potential food applications. In the present study, starch and flour were produced from two new cassava accessions (Sika Bankye and Bankye Hemaa) and evaluated for their physicochemical and pasting properties. The flour samples recorded higher values for the various functional parameters compared to their starch counterparts. Both flour samples had a similar water absorption capacity (WAC) of ~263% but the associated …
Comparative Evaluation Of Physicochemical And Fermentative Responses Of Three Sorghum Varieties From Dryland And Irrigated Land And The Properties Of Proteins From Distillers’ Grains, Jikai Zhao, Thomas Weiss, Zhenjiao Du, Shan Hong, Scott R. Bean, Yonghui Li, Donghai Wang
Comparative Evaluation Of Physicochemical And Fermentative Responses Of Three Sorghum Varieties From Dryland And Irrigated Land And The Properties Of Proteins From Distillers’ Grains, Jikai Zhao, Thomas Weiss, Zhenjiao Du, Shan Hong, Scott R. Bean, Yonghui Li, Donghai Wang
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Three sorghum varieties [waxy sorghum (WS), high protein sorghum (HPS), and normal sorghum (NS)] grown under dryland and irrigated conditions were evaluated with respect to the physicochemical and fermentative properties. The proteins were extracted from wet distillers' grains with solubles (WDGS) and characterized in terms of purity and in vitro digestibility. Starch, crude protein, crude fat, and fiber contents of the sorghums ranged from 64.16 to 68.05 g/100 g, 11.49–13.54 g/100 g, 2.45–2.98 g/100 g, and 1.62–1.80 g/100 g, respectively. For the same variety, the sorghums grown under dryland conditions had higher protein (0.33–0.91 g/100 g) and lower …
Effect Of Ph And Heat Treatment On Physicochemical And Functional Properties Of Spray-Dried Whey Protein Concentrate Powder, Thao M. Ho, Jinlei Zhu, Nidhi Bansal, Mary C. Boyce, Thao T. Le
Effect Of Ph And Heat Treatment On Physicochemical And Functional Properties Of Spray-Dried Whey Protein Concentrate Powder, Thao M. Ho, Jinlei Zhu, Nidhi Bansal, Mary C. Boyce, Thao T. Le
Research outputs 2014 to 2021
Effects of pH and heating on deamidation of whey protein concentrate (WPC) solution and functional properties of resultant spray-dried WPC powder were investigated. Temperature and heating time affected deamidation rates with the highest reactivities for WPC solutions heated at 120 °C for 15 min and 145 °C for 120 s. Deamidation sites were pH dependent: pH 3 induced more glutamine deamidation; pH 10 induced more asparagine deamidation. The functional properties of spray-dried WPC powders were also pH dependent. WPC solution adjusted to pH 3 and heated at 145 °C for 120 s (prior to spray drying) exhibited a reduction in …
Interactions Between Titanium Dioxide Nanoparticles (Nps) And Mucin, . Boimin
Interactions Between Titanium Dioxide Nanoparticles (Nps) And Mucin, . Boimin
Doctoral Dissertations
Titanium dioxide nanoparticles (TiO2 NPs) are widely used in many food, consumer, and industrial products. However, little is known about the overall effects of TiO2 NPs on the environment or human health. In order to elucidate the fate, transformation, transport, and toxicological impact of TiO2 NPs, a better understanding is needed of how the physicochemical properties of TiO2 NPs (e.g. size, charge, curvature, hydrophobicity, and surface functionality) interact with their microenvironments (e.g. pH, temperature, bile acids, microbiome, enzymes, surface-active components, and biopolymers). Living organisms including humans have a natural mechanism to protect themselves from physical, biological, …
Ethanol Fractional Purification, Physicochemical Properties And Antioxidant Activity Of Polysaccharides From Glehnia Radix, Jing Yong-Shuai, Jin Shan, Zhang Dan-Shen, Zhang Rui-Juan, Wang Fei-Fan, Zheng Yu-Guang, Wu Lan-Fang
Ethanol Fractional Purification, Physicochemical Properties And Antioxidant Activity Of Polysaccharides From Glehnia Radix, Jing Yong-Shuai, Jin Shan, Zhang Dan-Shen, Zhang Rui-Juan, Wang Fei-Fan, Zheng Yu-Guang, Wu Lan-Fang
Food and Machinery
To study the physicochemical properties and antioxidant activity of ethanol-graded polysaccharides of Glehnia Radix. Four kinds of polysaccharides of Glehnia Radix (GLP-30, GLP-50, GLP-70, GLP-residual) were fractionated and purified by water extraction and alcohol precipitation. Fourier transform infrared spectroscopy, high performance liquid chromatography, and gel permeation chromatography, scanning electron microscopy, and differential scanning calorimetry-thermogravimetric analysis were used to evaluate the physicochemical properties and structure characteristics of polysaccharides. The antioxidant activities were also studied. The four polysaccharides of Glehnia Radix have the typical groups of polysaccharides, but the results of differential scanning calorimetry are quite different, which may be due …
Cytotoxicity Of Nio And Ni(Oh)₂ Nanoparticles Is Mediated By Oxidative Stress-Induced Cell Death And Suppression Of Cell Proliferation, Melissa H. Cambre, Natalie J. Holl, Yue-Wern Huang, For Full List Of Authors, See Publisher's Website.
Cytotoxicity Of Nio And Ni(Oh)₂ Nanoparticles Is Mediated By Oxidative Stress-Induced Cell Death And Suppression Of Cell Proliferation, Melissa H. Cambre, Natalie J. Holl, Yue-Wern Huang, For Full List Of Authors, See Publisher's Website.
Biological Sciences Faculty Research & Creative Works
The use of nanomaterial-based products continues to grow with advancing technology. Understanding the potential toxicity of nanoparticles (NPs) is important to ensure that products containing them do not impose harmful effects to human or environmental health. In this study, we evaluated the comparative cytotoxicity between nickel oxide (NiO) and nickel hydroxide (Ni(OH)2) in human bronchoalveolar carcinoma (A549) and human hepatocellular carcinoma (HepG2) cell lines. Cellular viability studies revealed cell line-specific cytotoxicity in which nickel NPs were toxic to A549 cells but relatively nontoxic to HepG2 cells. Time-, concentration-, and particle-specific cytotoxicity was observed in A549 cells. NP-induced oxidative …
Study On Synchronous Extraction Process Of Oil And Protein From Prunus Mira Nut And The Oil Quality Analysis, Kan Jin-Tao, Yuan Lei, Zhong Zheng-Chang
Study On Synchronous Extraction Process Of Oil And Protein From Prunus Mira Nut And The Oil Quality Analysis, Kan Jin-Tao, Yuan Lei, Zhong Zheng-Chang
Food and Machinery
Taking the Prunus mira nut as raw material, the oil and protein of were synchronous extracted by aqueous extraction method combined with enzymatic demulsification, the extraction process was optimized by orthogonal tests based on single factor experiment. The main physicochemical indexes of Prunus mira nut oil were determined, and the fatty acid compositions were analyzed by GC. The results indicated that the Prunus mira nut protein yields were(78.13±1.53)%, and oil total yields were(67.79±2.97)%, the optimal oil and protein extraction process were obtained as followed: sample size 150 mesh, liquid-solid ratio 8：1 (mL/g), pH 10, extraction temperature 50 ℃, extraction time …
The Effects Of Ball Mill Processing On The Physicochemical Properties Of Glutinous Rice Starch, Weeraya Tharanon, Jomjai Peerapattana
The Effects Of Ball Mill Processing On The Physicochemical Properties Of Glutinous Rice Starch, Weeraya Tharanon, Jomjai Peerapattana
The Thai Journal of Pharmaceutical Sciences
Glutinous rice starch (GRS) (Oryza sativa L.) is a product derived from a staple food that is commonly cultivated and consumed in Asia. This study investigates the effect of physical modification by planetary ball mill processing on some physicochemical .
Effect Of Hot Water Treatment Of In-Shell Pecans On Physicochemical Properties And Consumer Acceptability Of Roasted Pecan Kernels, Karuna Kharel, Witoon Prinyawiwatkul, Veerachandra K. Yemmireddy, Charles J. Graham, Achyut Adhikari
Effect Of Hot Water Treatment Of In-Shell Pecans On Physicochemical Properties And Consumer Acceptability Of Roasted Pecan Kernels, Karuna Kharel, Witoon Prinyawiwatkul, Veerachandra K. Yemmireddy, Charles J. Graham, Achyut Adhikari
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
The effect of hot water pre-treatment of in-shell pecans on physicochemical properties, consumer acceptance and purchase intent of dehulled and roasted kernels was evaluated. In-shell pecans were first subjected to hot water at 70, 80 and 90 °C for 8.6, 6.6 and 4.6 min respectively and kernels were later dry roasted at 160 °C for 10 min. The physicochemical properties of hot water treated and untreated nuts, before and after roasting were determined. Furthermore, consumer acceptance and purchase intent of the roasted kernels were determined. Hot water treatment, alone and subsequent roasting had minimal effect on pecans’ physicochemical properties. Consumers …
Physicochemical Properties And Rheological Behavior Of Flours And Starches From Four Bean Varieties For Gluten-Free Pasta Formulation, Hollman Motta Romero, Yue Zhang
Physicochemical Properties And Rheological Behavior Of Flours And Starches From Four Bean Varieties For Gluten-Free Pasta Formulation, Hollman Motta Romero, Yue Zhang
Department of Food Science and Technology: Faculty Publications
The rheological behavior of gluten-free flour dispersions from four pulse market classes, including great northern, navy, red kidney (Phaseolus vulgaris L.), and garbanzo beans (Cicer arietinum) were evaluated and compared to soft wheat as a gluten-containing control. Their starches were isolated and the relationships between flour behavior and starch characteristics were studied. Soft wheat (56%) and garbanzo (39%) flours presented higher starch contents than the Phaseolus vulgaris beans (33–35%), which resulted in the development of stronger gel network structures. It was found that starch amylose content and granule size affected the swelling and pasting properties of both starches and flours. …
Critical Physicochemical Properties For Nanoparticle Toxicity: Impact Of Surface Coating And Size On Particle-Induced Cell Transformation And Inflammatory Response, Tiffany Kornberg
Graduate Theses, Dissertations, and Problem Reports
Nanoparticles, which measure 100 nm in at least one dimension, have surged in development, production, and use for a wide range of applications. However, the rapid pace of development for these emerging materials with unclear/unknown toxicity profiles makes it difficult to adequately assess health risk associated with exposure. One critical obstacle which limits scientific research to fill these critical knowledge gaps is the lack of accurate and predictive models for nanotoxicology studies, particularly those which involve occupationally relevant exposure scenarios (pulmonary exposure to low dose of particles in the circulating air). Typically, animal models are used to assess potential systemic …
Screening Of Commercially Available Chlorine Based Sanitizers And Their Efficacy In Reducing Microbial Load Levels Of E. Coli O157:H7 At High And Low Organic Load Environments, Paola Martinez-Ramos
Screening Of Commercially Available Chlorine Based Sanitizers And Their Efficacy In Reducing Microbial Load Levels Of E. Coli O157:H7 At High And Low Organic Load Environments, Paola Martinez-Ramos
Masters Theses
The presence of postharvest sanitizers has shown to be an effective approach to reducing microbial cross contamination in agricultural washing operations. However, choosing an appropriate sanitizer can be challenging due to produce commodity, processing conditions and interference with organic load. Current research shows a wide variety of methods to mimic the organic load of vegetable processing conditions, with paddle mixing and blender as the most commonly used. Controlling and understanding the physiochemical properties of wash water is key in maintaining sanitizer efficacy. The effects of simulated wash water preparation method on the physiochemical properties were tested at 0 and 50 …
Physicochemical And Functional Properties Of Extruded Sorghum‐Based Bean Analog, Akinbode A. Adedeji, Michael V. Joseph, Brian Platter, Sajid Alavi
Physicochemical And Functional Properties Of Extruded Sorghum‐Based Bean Analog, Akinbode A. Adedeji, Michael V. Joseph, Brian Platter, Sajid Alavi
Biosystems and Agricultural Engineering Faculty Publications
The objective of this study was to develop and evaluate the physicochemical and functional properties of a bean like product made from cold extrusion of sorghum, soy and wheat flours. Formulated samples comprised of sorghum (25–70%), wheat (0–35%) and soy (30–50%) flours. The degree of gelatinization ranged from 54.1 to 93.6%. Pasting curves showed minimal starch damage with peak and final viscosities in the range of 456.0–1138.5 and 297–584 cP, respectively. Textural properties of the extrudates were significantly impacted by starch content and cooking time. There was significant cooking loss due to poor binding properties of the extrudates. Cooking the …
Physicochemical Properties Of Turkish Green Tea Powder: Effects Of Shooting Period, Shading, And Clone, Ayhan Topuz, Cüneyt Di̇nçer, Mehmet Torun, İsmai̇l Tontul, Hi̇lal Şahi̇n Nadeem, Ayhan Haznedar, Feramuz Özdemi̇r
Physicochemical Properties Of Turkish Green Tea Powder: Effects Of Shooting Period, Shading, And Clone, Ayhan Topuz, Cüneyt Di̇nçer, Mehmet Torun, İsmai̇l Tontul, Hi̇lal Şahi̇n Nadeem, Ayhan Haznedar, Feramuz Özdemi̇r
Turkish Journal of Agriculture and Forestry
This study aimed to determine the physicochemical properties of the green tea powders produced from 2 different Turkish tea [Camellia sinensis (L.) O.Kuntze] clones (Derepazarı 7 and Fener) grown under different shade levels and harvested during 2 consecutive shooting periods. Moisture, ash, crude fiber, and total phenolic contents of the green tea powders were determined based on the experimental factors. Products were also evaluated for their water activity, bulk density, particle size, color, extraction yield, and antioxidant activity. The shooting period, specific to Turkish tea cultivation, showed remarkable effects on the main quality parameters of the green tea powders. It …
Cytotoxicity In The Age Of Nano: The Role Of Fourth Period Transition Metal Oxide Nanoparticle Physicochemical Properties, Charles C. Chusuei, Chi-Heng Wu, Shravan Mallavarapu, Fang Yao Stephen Hou, Chen-Ming Hsu, Jeffrey G. Winiarz, Robert S. Aronstam, Yue-Wern Huang
Cytotoxicity In The Age Of Nano: The Role Of Fourth Period Transition Metal Oxide Nanoparticle Physicochemical Properties, Charles C. Chusuei, Chi-Heng Wu, Shravan Mallavarapu, Fang Yao Stephen Hou, Chen-Ming Hsu, Jeffrey G. Winiarz, Robert S. Aronstam, Yue-Wern Huang
Clinical Lab Sciences Faculty Research and Publications
A clear understanding of physicochemical factors governing nanoparticle toxicity is still in its infancy. We used a systematic approach to delineate physicochemical properties of nanoparticles that govern cytotoxicity. The cytotoxicity of fourth period metal oxide nanoparticles (NPs): TiO2, Cr2O3, Mn2O3, Fe2O3, NiO, CuO, and ZnO increases with the atomic number of the transition metal oxide. This trend was not cell-type specific, as observed in non-transformed human lung cells (BEAS-2B) and human bronchoalveolar carcinoma-derived cells (A549). Addition of NPs to the cell culture medium did not significantly …
Effect Of Heat Treatments On The Properties Of Two Long-Grain Rice Cultivars During Storage, Youngbum Lee
Effect Of Heat Treatments On The Properties Of Two Long-Grain Rice Cultivars During Storage, Youngbum Lee
Graduate Theses and Dissertations
During storage, the milling and physicochemical properties and eating quality of rice change, which is generally termed `aging'. Aged rice is preferred by processors, and there are attempts to develop accelerated aging process using various heat sources. In this study, the effects of various heat treatments and their influence on the milling, pasting, thermal, and cooking properties of two long-grain rice cultivars during storage were investigated using a full-factorial experimental design. Two long-grain rice cultivars, Wells and XP723, was treated with 8 different heat treatments including one control and stored at room temperature for 180 days. Heat treatments included 2 …