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Full-Text Articles in Food Science

Corrigendum To “Composition Decipherment Of Ficus Pumila Var. Awkeotsang And Its Potential On Covid-19 Symptom Amelioration And In Silico Prediction Of Sars-Cov-2 Interference.” Sep 2024

Corrigendum To “Composition Decipherment Of Ficus Pumila Var. Awkeotsang And Its Potential On Covid-19 Symptom Amelioration And In Silico Prediction Of Sars-Cov-2 Interference.”

Journal of Food and Drug Analysis

No abstract provided.


Characterization Of Carbon Dots From Fructus Gardeniae (Zhi-Zi) And Gardenia Charcoal (Black Zhi-Zi) Via Microwave-Assisted Extraction, Hung-Wen Tsai, Nelly Fitri Tampubolon, Tsunghsueh Wu, Mei-Yao Wu, Yang-Wei Lin Sep 2024

Characterization Of Carbon Dots From Fructus Gardeniae (Zhi-Zi) And Gardenia Charcoal (Black Zhi-Zi) Via Microwave-Assisted Extraction, Hung-Wen Tsai, Nelly Fitri Tampubolon, Tsunghsueh Wu, Mei-Yao Wu, Yang-Wei Lin

Journal of Food and Drug Analysis

We employed a straightforward microwave-assisted extraction technique to investigate the presence of carbon dots (CDs) in Chinese herbal extracts derived from fructus gardeniae and gardenia charcoal, designated as CDs-1 and CDs-2, respectively. The found CDs exhibited unique photoluminescence with quantum yields of 0.95% for CDs-1 and 1.81% for CDs-2, indicating significant potential for bioimaging applications. Both CD types maintain approximately 80% of their fluorescence intensity after 120 minutes of continuous 365 nm UV exposure, underscoring their stability and suitability for prolonged biological studies. Moreover, antioxidant activity tests showed that CDs-2 have a higher scavenging capacity, with an SC-50 value of …


Optimization, Physicochemical Stability And In Vivo Study Of Alginate-Chitosan Composites As Nanocarriers For Low Molecular Weight Angiotensin I-Converting Enzyme (Ace)-Inhibitory Peptide, Shehu Muhammad Auwal, Siti Balqis Muhammad Ghanisma, Nazamid Saari Sep 2024

Optimization, Physicochemical Stability And In Vivo Study Of Alginate-Chitosan Composites As Nanocarriers For Low Molecular Weight Angiotensin I-Converting Enzyme (Ace)-Inhibitory Peptide, Shehu Muhammad Auwal, Siti Balqis Muhammad Ghanisma, Nazamid Saari

Journal of Food and Drug Analysis

Chitosan and alginate, are non-toxic and biodegradable polymers used to enhance the stability of biotherapeutics by loading them into nanocarriers. In this study, the stone fish-derived low molecular weight peptide (Ala-Leu-Gly-Pro-Gln-Phe-Tyr), exhibited an in vitro ACE-inhibitory activity of 94.43 ± 2.05% and an IC50 of 0.012 ± 0.001 mM. The peptide was encapsulated via ionic gelation with alginate followed by polyelectrolyte complexation with chitosan. The resulting ACE-inhibitory peptide-loaded alginate-chitosan nanoparticles (ACE-I-ALG-CS NPs) were optimized to achieve small particle size (212.60 nm) and high encapsulation efficiency (EE, 74.48%). This was based on an optimum chitosan concentration (0.420%w/v), homogenization speed (6000 …


Sensitive Electrochemical Sensor Of Levofloxacin Using Boron-Doped Diamond (Bdd) Electrode Modified With Ti3c2tx (Mxene) Material, Prastika Krisma Jiwanti, Indah Harindy Putri, Grandprix T.M. Kadja, Yasuaki Einaga, Laurencia Gabrielle Sutanto, Siti Wafiroh, Dewi Kartika Azizah Sukardi, Anis Puspita Sari, Tahta Amrillah, Ilma Amalina, Qonita Kurnia Anjani, Wan Jeffrey Basirun Sep 2024

Sensitive Electrochemical Sensor Of Levofloxacin Using Boron-Doped Diamond (Bdd) Electrode Modified With Ti3c2tx (Mxene) Material, Prastika Krisma Jiwanti, Indah Harindy Putri, Grandprix T.M. Kadja, Yasuaki Einaga, Laurencia Gabrielle Sutanto, Siti Wafiroh, Dewi Kartika Azizah Sukardi, Anis Puspita Sari, Tahta Amrillah, Ilma Amalina, Qonita Kurnia Anjani, Wan Jeffrey Basirun

Journal of Food and Drug Analysis

Overuse of levofloxacin (LEV) is often associated with bacterial resistance and serious health problems, underscoring the need for reliable sensing and monitoring of LEV molecules. Therefore, this study aimed to investigate LEV using boron-doped diamond (BDD) and boron-doped diamond modified with MXene (Ti3C2TX) (BDD-MXene) electrode. The successful deposition of MXene on the BDD surface was confirmed using scanning electron microscope (SEM). Cyclic voltammetry (CV) and square wave voltammetry (SWV) methods were also applied to evaluate the electrochemical behavior. The results showed that both electrodes had a linear response in the range of 30-100 µM. …


Production And Characterization Of Encapsulated Thymoquinone Loaded Bacterial Cellulose/Chitosan Composite Nano Film And Investigation Of Its In Vitro Antibacterial Activity, Aytul Bayraktar, Tunc Tuba Sep 2024

Production And Characterization Of Encapsulated Thymoquinone Loaded Bacterial Cellulose/Chitosan Composite Nano Film And Investigation Of Its In Vitro Antibacterial Activity, Aytul Bayraktar, Tunc Tuba

Journal of Food and Drug Analysis

In this study, nanostructured thin films were produced from thymoquinone (TQ)-loaded composites encapsulated with different ratios of bacterial nanocellulose (BNC) to chitosan (CS). The study aimed to investigate their characterization, antibacterial effects, and potential as drug film coating materials. Chemical features and morphological characteristics were determined, and release tests and antibacterial assays were conducted on the thin film layers. As a result, BNC/CS-thymoquinone composite films obtained at different ratios were found to exhibit the highest antibacterial effect, particularly films with a 70% BNC/CS to 30% thymoquinone ratio, against Salmonella typhimurium bacteria.


Enhancing Mango Shelf Life Through Natural Preservation: Investigating The Efficacy Of Polysaccharide Edible Coating And Leaf Extracts, Binh Minh Nguyen Dac, Khoa Hai Le, Van Anh Phan Thi, Van Minh Dao, Trung Dinh Do, Phuong Nguyen-Tri, S. Woong Chang, D. Duc Nguyen, Duong Duc La Sep 2024

Enhancing Mango Shelf Life Through Natural Preservation: Investigating The Efficacy Of Polysaccharide Edible Coating And Leaf Extracts, Binh Minh Nguyen Dac, Khoa Hai Le, Van Anh Phan Thi, Van Minh Dao, Trung Dinh Do, Phuong Nguyen-Tri, S. Woong Chang, D. Duc Nguyen, Duong Duc La

Journal of Food and Drug Analysis

A sustainable solution to prevent the waste of fruits and vegetables from spoilage is the use of edible coatings or films. This research project aimed to create a fresh coating recipe that could effectively extend the shelf life of mangoes. The coating was composed of chitosan, glycerol, and gum Arabic mixed with the extract obtained from the extraction of Cleistocalyx operculatus plant. The prepared exact has a total polyphenol content of 17% and showed potent free radical scavenging abilities in a dose-dependent manner. The chitosan/gum Arabic/Glycerol/extract edible coatings were analyzed using SEM and FTIR spectroscopy, revealing a smooth and uniform …


Unlocking Early Detection Of Alzheimer's Disease: The Emerging Role Of Nanomaterial-Based Optical Sensors, Chun-Hsien Chen, Hsin-Hua Liang, Chun-Chi Wang, Yi-Ting Yang, Yi-Hui Lin, Yen-Ling Chen Sep 2024

Unlocking Early Detection Of Alzheimer's Disease: The Emerging Role Of Nanomaterial-Based Optical Sensors, Chun-Hsien Chen, Hsin-Hua Liang, Chun-Chi Wang, Yi-Ting Yang, Yi-Hui Lin, Yen-Ling Chen

Journal of Food and Drug Analysis

Alzheimer's disease (AD) is a chronic and progressive neurodegenerative disorder that affects millions of individuals worldwide. Researchers have conducted numerous studies to find accurate biomarkers for early AD diagnosis and develop more effective treatments. The main pathological hallmarks of AD are amyloid beta and Tau proteins. Other biomarkers, such as DNA, RNA, and proteins, can also be helpful in early AD diagnosis. To diagnose and treat AD promptly, it is essential to accurately measure the concentration of biomarkers in the cerebrospinal fluid or blood. However, due to the low concentrations of these biomarkers in the body, highly sensitive analytical techniques …


Harnessing Gold Nanomaterials For Advanced Multicolor Colorimetric Biosensors In Food Hazards Detection, Longyingzi Xie, Chenxi Guo, Lu Yang, Yue He Sep 2024

Harnessing Gold Nanomaterials For Advanced Multicolor Colorimetric Biosensors In Food Hazards Detection, Longyingzi Xie, Chenxi Guo, Lu Yang, Yue He

Journal of Food and Drug Analysis

Hazards such as pathogenic bacteria, mycotoxins, pesticides, antibiotics, heavy metal ions, etc., cause serious food safety problems worldwide due to their toxicity and frequent contamination. Rapid screening is an effective way for food safety control, which highly relies on the development of sensitive, specific, and convenient detection methods. The multicolor colorimetric biosensors based on gold nanomaterials have evolved into advanced tools for detecting various hazards in food, with intuitive readout. The excellent localized surface plasmon resonance (LSPR) properties of gold nanomaterials enable them to exhibit bright colors when used as chromophores. In addition, the small changes in the morphology of …


Functional Gold Nanoparticles For Analysis And Delivery Of Nucleic Acids, Po-Tsang Huang, Yen-Ling Chen, Yi-Hui Lin, Chun-Chi Wang, Huan-Tsung Chang Sep 2024

Functional Gold Nanoparticles For Analysis And Delivery Of Nucleic Acids, Po-Tsang Huang, Yen-Ling Chen, Yi-Hui Lin, Chun-Chi Wang, Huan-Tsung Chang

Journal of Food and Drug Analysis

Gold nanoparticles (AuNPs) have become the rising stars in the field of nanotechnology and made a revolution in exploiting the profundity of genomics due to their distinguished properties such as stability, ease in preparation and conjugation, biocompatibility, and unique optical properties. These characteristics have greatly expanded their applications such as sensitive and selective quantitation of nucleic acids and as effective carriers for specifically delivering various important molecules/biomolecules to various targets, which are the cornerstone in treating genetic disorders. This review comprehensively discusses the most recent progress in utilization of AuNPs in quantitation and delivery of nucleic acids. The future prospects …


Preface, Chih-Ching Huang, Yang-Wei Lin, Amit Nain Sep 2024

Preface, Chih-Ching Huang, Yang-Wei Lin, Amit Nain

Journal of Food and Drug Analysis

No abstract provided.


Dairy Club Digest: Udderly Good Times, South Dakota State University Dairy Club Sep 2024

Dairy Club Digest: Udderly Good Times, South Dakota State University Dairy Club

Dairy Digest

This is the 2024 Dairy Club Digest. The Diary Club Digest is published annually by the South Dakota State University Dairy Club. The Digest contains information and news about the activities and members of the SDSU Dairy Club for the academic year 2023 - 2024.


Drying Techniques For Precooked Hybrid Rice To Ensure Quality Of Instantized Rice, Anne Adhiambo Okeyo, Kaushik Luthra, Justin Siebenmorgen, Alan R. Vazquez, Griffiths Atungulu Sep 2024

Drying Techniques For Precooked Hybrid Rice To Ensure Quality Of Instantized Rice, Anne Adhiambo Okeyo, Kaushik Luthra, Justin Siebenmorgen, Alan R. Vazquez, Griffiths Atungulu

Food Science Faculty Publications and Presentations

Background and Objectives

Due to the emergence of new hybrid rice cultivars, rice processors must refine their processing protocols to maintain the production of high-quality products. This is crucial for the instant rice processing industry. Therefore, this study aims to refine current convective heated air-drying processing methods to suit the new hybrid rice cultivars intended for instant rice production. New strategies to dry cooked rice were investigated. These included drying in a stepwise manner with high (230–200°C) and medium (190–160°C) air temperatures and drying at constant high (200°C) and medium (160°C) air temperatures. Changes in quality attributes of two new …


Elemental Content And Safety Evaluation Of Wild-Harvested Australian Abalone (Haliotis Spp.) Viscera: Addressing Safety Concerns In Food Waste Upcycling, Wing H. Chung, Liezhou Zhong, Ryu Takechi, Ranil Coorey, Janet Howieson Sep 2024

Elemental Content And Safety Evaluation Of Wild-Harvested Australian Abalone (Haliotis Spp.) Viscera: Addressing Safety Concerns In Food Waste Upcycling, Wing H. Chung, Liezhou Zhong, Ryu Takechi, Ranil Coorey, Janet Howieson

Research outputs 2022 to 2026

Abalone viscera has been shown to be a valuable human nutraceutical, yet the food safety considerations of consuming whole abalone viscera have been largely overlooked. Hence, this research was conducted to investigate and evaluate elemental compositions and safety of it. The elemental data was compared to international food safety regulations and evaluated using the USEPA hazard index (HI) equation and HI-derived estimated upper limit (EDUL) equation, which EDUL allows comparison of novel foods with a large variety of similar existing products. To further demonstrate that food safety of upcycled food could be improved with simple processing, a risk mitigation trial …


Could Measuring Factors Other Than A Lack Of Financial Resources Help In Achieving The Zero Hunger Goal, Jillian Hyink, Brandon R. Mcfadden, Brandy E. Phipps, Craig Gundersen Sep 2024

Could Measuring Factors Other Than A Lack Of Financial Resources Help In Achieving The Zero Hunger Goal, Jillian Hyink, Brandon R. Mcfadden, Brandy E. Phipps, Craig Gundersen

Agricultural Economics and Agribusiness Faculty Publications and Presentations

The second Sustainable Development Goal of Zero Hunger, defined by the United Nations, broadly focuses on several dimensions of food access and availability, including measures of hunger and undernourishment, food insecurity, and malnutrition. Progress toward the Zero Hunger goal is monitored using indicators like the Prevalence of Undernourishment and the prevalence of moderate or severe food insecurity. These indicators are widely regarded as accurately portraying the underlying phenomena of concern. There are, however, other considerations one may want to include when considering the broader food system, including the role of food access and sovereignty in the rural areas of low-income …


Development Of Extruded Puffed Snack Utilizing Carrot Pomace, Bean Flour, And Rice Starch As Primary Ingredients, Julia Zoe Sep 2024

Development Of Extruded Puffed Snack Utilizing Carrot Pomace, Bean Flour, And Rice Starch As Primary Ingredients, Julia Zoe

Master's Theses

Every year, the carrot industry worldwide wastes up to 50% of carrots as raw material due to processing (Šeregelj et al., 2020). When carrots are juiced, the remaining fibrous pulp is often discarded as carrot pomace. In order to redirect this food waste, the first objective of this research was to optimize formulations for an extruded puffed snack that is most similar to commercially available puffed snacks, utilizing baby lima bean flour and carrot pomace

Hardness (kg), cross-sectional expansion ratio, bulk density (g/cm3), moisture content (%), water activity, specific mechanical energy (kJ/kg), carotenoid concentration (ppm), and total dietary …


Tulane Virus Persistence And Microbial Stability In 3d Food Ink Under Various Storage Conditions: A Pre- And Post-Printing Analysis, Allyson N. Hamilton, Kristen E. Gibson Sep 2024

Tulane Virus Persistence And Microbial Stability In 3d Food Ink Under Various Storage Conditions: A Pre- And Post-Printing Analysis, Allyson N. Hamilton, Kristen E. Gibson

Food Science Faculty Publications and Presentations

3D food printers facilitate novel customization of the physicochemical properties of food. This study aimed to investigate the impact of storage conditions on the inactivation of the human norovirus surrogate, Tulane virus (TuV), within 3D printed foods. TuV-inoculated protein cookie food ink (∽ 4 log PFU/g) was distributed into 18 3D food printer capsules (50 g each); half immediately underwent extrusion. Storage of the capsules and printed food products at 20 °C (0, 6, 12, and 24 h), 4 °C (0, 1, 3, and 5d), and − 18 °C (0, 1, 3, and 5d) was completed before analysis for TuV …


Multidrug-Resistant Esbl-Producing Escherichia Coli Coexisting With Colistin-Resistance Genes In Pig Farms, Central Thailand, Wipawee Songsaeng, Nutthee Am-In, Nuvee Prapasarakul, Wandee Sirichokchatchawan Aug 2024

Multidrug-Resistant Esbl-Producing Escherichia Coli Coexisting With Colistin-Resistance Genes In Pig Farms, Central Thailand, Wipawee Songsaeng, Nutthee Am-In, Nuvee Prapasarakul, Wandee Sirichokchatchawan

The Thai Journal of Veterinary Medicine

The presence of extended-spectrum beta-lactamase and colistin resistance E. coli in food-producing animals is a public health concern. This study was conducted using a rigorous methodology to survey the prevalence of ESBL-producing and colistin-resistant E. coli from pig farms in the central part of Thailand. A total of 519 samples were collected from fecal, feed, and waste in 53 farms located in central Thailand. All samples were inoculated onto selective agar, and species identification was performed using biochemical assays and MAlDI-TOF MS. Antimicrobial susceptibility was determined by broth microdilution, and ESBL production was confirmed by the combination disc diffusion method. …


Development Of Pork Meatballs Supplemented With Commercial Soluble Dietary Fibres And Mimic In Vitro Simulated Gastrointestinal Digestion, Chonlada Srikamwang, Pirawan Chaiwan, Sarana Rose Sommano, Malaiporn Wongkaew Aug 2024

Development Of Pork Meatballs Supplemented With Commercial Soluble Dietary Fibres And Mimic In Vitro Simulated Gastrointestinal Digestion, Chonlada Srikamwang, Pirawan Chaiwan, Sarana Rose Sommano, Malaiporn Wongkaew

International Journal of Health and Allied Sciences

This study investigated the effects of supplementing tapioca starch with commercially soluble dietary powder in meatballs to develop a low-glycaemic index (GI) food for people with high blood sugar levels. This work evaluates the physicochemical characteristics, texture profile analysis (TPA), proximate composition, and digestibility of carbohydrate in meatballs supplemented with commercial soluble dietary powder using 3x3 factorial completely randomised design. The physicochemical characteristics findings indicate that the colour values of GI meatballs, including L*, a*, and b*, ranged from 63.60 to 68.49, 1.52 to 3.05, and 13.86 to 16.56, respectively. The colour difference values of meatballs containing dietary fibre in …


Effect Of Repeated Heating On Chemical Properties Of Selected Edible Plant Oil And Its Health Hazards, J Prarthana, Nischitha Nischitha, Shraddha Shraddha, Ramith Ramu Aug 2024

Effect Of Repeated Heating On Chemical Properties Of Selected Edible Plant Oil And Its Health Hazards, J Prarthana, Nischitha Nischitha, Shraddha Shraddha, Ramith Ramu

International Journal of Health and Allied Sciences

Increase in the cost price of edible oil, has forced to reuse the cooking oil especially in frying. Repeated cooking of oil brings about lot of structural changes ideally not suitable for consumption. The present study aims at comparing the structure and chemical changes like acid value, peroxide value, saponification, iodine value of three different commonly used edible oil viz sunflower oil, coconut oil & rice bran oil after successive heating & cooling. Oils were heated four times for 45 minutes, followed by repeated cooling for 2 hours. The results indicates that the acid values of all three oils (0.32- …


Covid-19 Prevention Behaviors And Dietary Habits Among Undergraduate Students: A Health Belief Model Approach, Doreen Liou Aug 2024

Covid-19 Prevention Behaviors And Dietary Habits Among Undergraduate Students: A Health Belief Model Approach, Doreen Liou

Department of Nutrition and Food Studies Scholarship and Creative Works

Physical and social disruptions resulted from the COVID-19 pandemic, affecting young adults in higher education. The purpose of this survey research is to unveil COVID-19 related beliefs using the Health Belief Model, and COVID-19 prevention behaviors, including self-reported fruit and vegetable consumption among university students. A cross-sectional survey was administered to 304 male and female undergraduate students from diverse ethnic backgrounds and majors at a New Jersey state university using convenience sampling. Variables measured included frequency of COVID-19 prevention behaviors (e.g.: wearing indoor mask, handwashing), and consumption of fruit and vegetables (dark green and orange vegetables) over the previous week. …


Transglutaminase Crosslinked Milk Protein Concentrate And Micellar Casein Concentrate: Impact On The Functionality Of Imitation Mozzarella Cheese Manufactured On A Small Scale Using A Rapid Visco Analyzer, Prafulla Salunke, Lloyd Metzger Aug 2024

Transglutaminase Crosslinked Milk Protein Concentrate And Micellar Casein Concentrate: Impact On The Functionality Of Imitation Mozzarella Cheese Manufactured On A Small Scale Using A Rapid Visco Analyzer, Prafulla Salunke, Lloyd Metzger

Dairy Science and Food Science Faculty Publications: 2022 to Present

In dairy-based imitation mozzarella cheese (IMC) formulations, intact casein is critical and imparts IMC with a firm and elastic, stringy, melted texture. Rennet casein (RCN) is the desired ingredient to provide intact casein in IMC and is preferred over milk protein concentrate (MPC) and micellar casein concentrate (MCC). Transglutaminase (TGase), a crosslinking enzyme, alters the physical properties of MPC or MCC and may change IMC functionality. The objective of this study was to determine the effect of TGase-crosslinked MPC and MCC powders on the functionality of IMCs. The TGase treatment included TGase at 0.3 (L) and 3.0 (H) units/g of …


Comparison Of Chlorophyll, Carotenoid, And Alpha-Tocopherol In E-Beam, Gamma, And X-Ray Treated 'Granny Smith' Apples, Manju Meena Vetrivelayutham Aug 2024

Comparison Of Chlorophyll, Carotenoid, And Alpha-Tocopherol In E-Beam, Gamma, And X-Ray Treated 'Granny Smith' Apples, Manju Meena Vetrivelayutham

Food Science (MS) Theses

This study aimed to investigate the impact of phytosanitary radiation modality on the lipophilic antioxidants in peels of ‘Granny Smith’ apples. Freshly harvested ‘Granny Smith’ apples were treated with gamma (0.2 kGy), X-ray (0.495 kGy), and e-beam (0.77 kGy) radiation and stored in air at 1 ⁰C for up to four months. Non-irradiated apples were used as control fruit. Peels of irradiated and non-irradiated apples were collected and quantified for chlorophyll, carotenoids, alpha-tocopherol, and antioxidant capacity. The results indicated that gamma irradiation significantly reduced the chlorophyll content by 76% but did not impact X-ray and e-beam-treated apple peels, even though …


Thiol Dough Conditioners Impact On The Formation Of Advanced Glycation End-Products In Bagels Containing Sunflower Seed Flour, Alton Chambers Aug 2024

Thiol Dough Conditioners Impact On The Formation Of Advanced Glycation End-Products In Bagels Containing Sunflower Seed Flour, Alton Chambers

Food Science (MS) Theses

Baking bagels can increase advanced glycation end products (AGEs), which are linked to increased metabolic and chronic diseases. This research correlated color and the proximate composition with fluorescent AGEs in bagels containing 0-20% sunflower flour (SFF) and 0-90 ppm L-cysteine (Cys) or Glutathione (GSH). No significant differences were observed in the moisture and lipid content for the bagel crust and crumb. Carbohydrate content decreased, while protein and ash content significantly increased when the SFF increased from 0 to 20 % SFF. The pH of the crust and crumb increased from 5.27 to 6.01 and 5.33 to 6.09, respectively, when sunflower …


Impact Of Phytosanitary Irradiation On Polar Antioxidants In Peels Of ‘Granny Smith’ Apples, Sneha Anna Alexander Aug 2024

Impact Of Phytosanitary Irradiation On Polar Antioxidants In Peels Of ‘Granny Smith’ Apples, Sneha Anna Alexander

Food Science (MS) Theses

The ‘Granny Smith’ apple (Malus domestica Borkh), known for its bright green peel and tart flavor, is a significant cultivar in the United States. Due to increasing limitations and restrictions on chemical fumigants and other treatments, ionizing radiation is gaining popularity as a phytosanitary treatment to prevent the spread of pests while preserving food quality. This study aimed to evaluate the effects of gamma, e-beam, and X-ray irradiation on phenolic compounds, vitamin C content, and total antioxidant capacity in ‘Granny Smith’ apple peels. The results indicated that there were no significant changes in vitamin C content immediately following …


Characterizing Oxylipins In Human Milk Extracellular Vesicles, Priscila Herrera Aug 2024

Characterizing Oxylipins In Human Milk Extracellular Vesicles, Priscila Herrera

Food Science (MS) Theses

Extracellular vesicles (EVs) are non-replicating lipid bilayer membrane-bound particle formed by a parent cell and secreted into the extracellular environment. EVs in human milk are bioavailable and influence physiologic pathways that may contribute to newborn growth and development. There is interest in the oxylipin content of EVs that may contribute to the bioavailability of EVs. This research aims to characterize the oxylipin content of human milk EVs. Centrifugation and precipitation were used to isolate EVs from human milk (n = 20). The Folch method was used to extract lipids, and liquid chromatography-mass spectrometry (LC– MS) was used to qualify and …


Peptidomics Analysis Of In Vitro Digested Wheat Breads: Effect Of Genotype And Environment On Protein Digestibility And Release Of Celiac Disease And Wheat Allergy Related Epitopes, Mélanie Lavoignat, Angéla Juhász, Utpal Bose, Thierry Sayd, Christophe Chambon, Miguel Ribeiro, Gilberto Igrejas, Sébastien Déjean, Catherine Ravel, Emmanuelle Bancel Aug 2024

Peptidomics Analysis Of In Vitro Digested Wheat Breads: Effect Of Genotype And Environment On Protein Digestibility And Release Of Celiac Disease And Wheat Allergy Related Epitopes, Mélanie Lavoignat, Angéla Juhász, Utpal Bose, Thierry Sayd, Christophe Chambon, Miguel Ribeiro, Gilberto Igrejas, Sébastien Déjean, Catherine Ravel, Emmanuelle Bancel

Research outputs 2022 to 2026

Wheat proteins can trigger immunogenic reactions due to their resistance to digestion and immunostimulatory epitopes. Here, we investigated the peptidomic map of partially digested bread samples and the fingerprint of epitope diversity from 16 wheat genotypes grown in two environmental conditions. Flour protein content and composition were characterized; gastric and jejunal peptides were quantified using LC-MS/MS, and genotypes were classified into high or low bread protein digestibility. Differences in flour protein content and peptide composition distinguish high from low digestibility genotypes in both growing environments. No common peptide signature was found between high- and low-digestible genotypes; however, the celiac or …


Atypical Responses To Sensory Stimuli Or Eating Environments In Children With Autism Spectrum Disorder, Lydia Rockers Aug 2024

Atypical Responses To Sensory Stimuli Or Eating Environments In Children With Autism Spectrum Disorder, Lydia Rockers

Graduate Theses and Dissertations

Children with autism spectrum disorder (ASD) often encounter challenges in processing sensory inputs. Children with ASD may experience feeding difficulties and over- or under- stimulation during food-related activities such as eating or shopping. These have impacts on the health and well-being of individuals with ASD in childhood and throughout their lives. Further research is needed to address the impact of ambient sound levels in a retail or restaurant setting. The main objective of this thesis was to address these gaps by identifying responses to various environmental and food related stimuli. The findings of this research addressed differences in responses between …


Microbial Transfer And Cross-Contamination In Milling Facilities And Pathogen Survival In Milled Products And Baking Mixes, Aryany Leticia Peña-Gomez Aug 2024

Microbial Transfer And Cross-Contamination In Milling Facilities And Pathogen Survival In Milled Products And Baking Mixes, Aryany Leticia Peña-Gomez

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

Wheat-based products, traditionally considered low-risk due to their low moisture content, have been involved in numerous foodborne outbreaks in recent decades. Salmonella and Shiga toxin-producing Escherichia coli (STEC) present in these products have caused significant numbers of hospitalizations and massive product recalls. The microbiological quality of flour is highly dependent on the incoming wheat, which is vulnerable to contamination from field to milling. Once pathogens are present in flour, they can survive for extended periods. Implementing strategies to mitigate the risk of pathogen contamination throughout the wheat processing chain is critical.

This study evaluated the distribution of E. coli …


Development And Validation Of Aronia Melanocarpa Berry Recipes For Home Canning: Integrating Thermal Lethality Studies, Microbiological Safety, And Antioxidant Analysis, Juan Diego Villegas Posada Aug 2024

Development And Validation Of Aronia Melanocarpa Berry Recipes For Home Canning: Integrating Thermal Lethality Studies, Microbiological Safety, And Antioxidant Analysis, Juan Diego Villegas Posada

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

Aronia melanocarpa, also known as chokeberry, is gaining popularity for its high antioxidant content and health benefits, including reducing oxidative stress and inhibiting cancer gene expression. However, its characteristic bitterness and astringency limit its broader appeal. Chokeberry's low pH places it in the acid foods category, making it ideal for safe home canning. An acidic environment combined with heat treatment inhibits harmful bacteria like Clostridium botulinum. Home canning preserves food by sealing it in airtight containers and heating it to destroy spoilage microorganisms.

Developing safe and palatable recipes is essential for making chokeberries suitable for home canning. A …


The Effect Of Fat Content On The Inactivation And Recovery Of Listeria Spp. In Ready-To-Eat Foods After High Pressure Processing, Yhuliana Kattalina Niño Fuerte Aug 2024

The Effect Of Fat Content On The Inactivation And Recovery Of Listeria Spp. In Ready-To-Eat Foods After High Pressure Processing, Yhuliana Kattalina Niño Fuerte

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

High-pressure processing (HPP) is recognized by the United States Department of Agriculture Food Safety and Inspection Service (USDA FSIS) as a post-lethality treatment to control Listeria monocytogenes in ready-to-eat (RTE) meat and poultry products. A scoping review of 603 journal articles, which ultimately was narrowed down to 16 articles, revealed that the efficacy of HPP varies with fat content. The studies demonstrated that L. monocytogenes inactivation by HPP tends to be lower in RTE meats with greater than 5% fat content, compared to products with lower than 5% fat. The wide range of HPP parameters used in these studies …