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The Evaluation Of Feed Additives On Reducing Enteric Methane Production From Cattle, Reba L. Colin 2023 University of Nebraska-Lincoln

The Evaluation Of Feed Additives On Reducing Enteric Methane Production From Cattle, Reba L. Colin

Department of Animal Science: Dissertations, Theses, and Student Research

Environmental sustainability can be positively impacted by the inclusion of feed additives to reduce enteric methane production from cattle. Methane production can be affected by feed additives that either alter the rumen environment or act as methanogenesis inhibitors. A reduction in methane from cattle can contribute to meeting carbon neutrality.

A metabolism study was conducted to evaluate Alga 1.0, a product containing bromoform, fed to cattle to evaluate the effects on gas emissions. Treatments were (0, 69, or 103 g/d Alga 1.0) fed in a corn-based diet. Headbox-style indirect calorimeters were used to measure gas emissions. Feeding Alga 1.0 linearly …


Developing Disinfection Strategies For Controlling Human Norovirus, Sars-Cov-2, And Clostridioides Difficile Endospores In Long-Term Care Facilities, Jinge Huang 2023 Clemson University

Developing Disinfection Strategies For Controlling Human Norovirus, Sars-Cov-2, And Clostridioides Difficile Endospores In Long-Term Care Facilities, Jinge Huang

All Dissertations

Long-term care facilities (LTCFs) provide an environment favorable for the transmission of three critical human pathogens: human norovirus (HuNoV), severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and Clostridioides difficile. Given residents in LTCFs are susceptible to infections due to their advanced ages and compromised immune systems, effective environmental surface disinfection plays a crucial role in controlling the spread of human pathogens within these settings and, therefore, mitigates the risk of infections caused by these pathogens. This dissertation aimed to assess the efficacy of various types of disinfectants against two HuNoV surrogates [feline calicivirus (FCV) and Tulane virus (TuV)], two …


Oxalic Acid: A Blooming Organic Acid For Postharvest Quality Preservation Of Fresh Fruit And Vegetables, Mahmood Ul Ul Hasan, Zora Singh, Hafiz Muhammad Shoaib Shah, Jashanpreet Kaur, Andrew Woodward, Eben Afrifa-Yamoah, Aman Ullah Malik 2023 Edith Cowan University

Oxalic Acid: A Blooming Organic Acid For Postharvest Quality Preservation Of Fresh Fruit And Vegetables, Mahmood Ul Ul Hasan, Zora Singh, Hafiz Muhammad Shoaib Shah, Jashanpreet Kaur, Andrew Woodward, Eben Afrifa-Yamoah, Aman Ullah Malik

Research outputs 2022 to 2026

Oxalic acid (OA) is a unique organic acid that commonly occurs in plants with distinct functions in modulating metabolic processes. To date, the role of OA has primarily been studied in the deactivation of copper-containing preservatives, detoxification of aluminium toxicity and remediation of organic pollutants. During the last two decades, OA has been considered as an antioxidant compound with focus on its potential to enhance crop yield, improve fruit quality, boost nutritional profile, and delay postharvest senescence in fruit and vegetables. It has been established that pre- and postharvest OA application delays ripening and senescence by down-regulating physiological processes such …


Development Of A User-Friendly Shelf-Life Model To Evaluate The Suitability Of Sustainable Materials In Roasted And Ground Coffee Fractional Packs, Matthew Baxley 2023 Clemson University

Development Of A User-Friendly Shelf-Life Model To Evaluate The Suitability Of Sustainable Materials In Roasted And Ground Coffee Fractional Packs, Matthew Baxley

All Theses

Roasted and ground coffee is a shelf stable product yet quite sensitive to oxidative staling. A consumer acceptance-based shelf-life modeling system was proposed with intent for the rapid determination of suitable coffee packages. This model requires as input the oxygen consumption rate (OCR) of the coffee, barrier values of packages, and the size of the packaging. Within the time period tested, it was shown that this model accurately predicted the oxygen uptake of coffee over time. Four bio-based packaging systems with barrier layers including mPLA, mPE, mcellophane, and paper were compared against a control (mPET). These materials displayed a range …


Thawing And Storage Effects On Quality Of Plant-Based Sausage Patties, Dakota Cook 2023 Clemson University

Thawing And Storage Effects On Quality Of Plant-Based Sausage Patties, Dakota Cook

All Theses

Maintaining sausage analogue quality during a thawing process and storage is important for increasing consumer satisfaction. Following new trends and prevalence of plant-based meats and a flexitarian diet, two experiments were conducted to test how thawing methods (experiment 1) and storage temperatures (experiment 2) affect meat analogue quality. For Experiment 1, Jimmy Dean Original Sausage Patties Made with Pork & Turkey, Morningstar Veggie Original Patties and Beyond Sausage Original Patties were purchased pre-frozen and subsequently thawed in one of three ways: 1. thawed at 4°C for 24 hours, 2. thawed at room temperature (22°C±2°C) for 4 hours and 3. thawed …


Effect Of Storage Temperatures And Home Refrigeration Systems On The Shelf Life Of Frozen Desserts, Natalie Sinclair 2023 Clemson University

Effect Of Storage Temperatures And Home Refrigeration Systems On The Shelf Life Of Frozen Desserts, Natalie Sinclair

All Theses

The effect of storage temperature over 12 weeks was studied using dairy and non-dairy frozen desserts. Research was conducted to determine if higher freezer temperatures affect frozen dessert quality to reduce energy use associated with lower freezer temperatures. Samples were analyzed for ice crystal pore size using micrographs, grittiness by a trained sensory panel and weight loss during storage. Ice crystal size was determined using scanning electron microscopy and grittiness was measured on a 5-point ranking scale, with 1 being least gritty and 5 being most gritty. Weight loss was determined by measuring sample weights before and after the 12-week …


The Chemical And Physical Analysis Of Hiveless Tm A Plant Based Honey Alternative, Javin Goodine 2023 Clemson University

The Chemical And Physical Analysis Of Hiveless Tm A Plant Based Honey Alternative, Javin Goodine

All Theses

Honey is perhaps the oldest and one of the world's most widely used natural sweeteners. It is a viscous, sweet, golden substance bees produce via natural enzymatic and physical modification of flower nectar. It has long been prized for its unique flavor and medicinal properties. It can be incorporated into many applications, such as bread, cured meats, alcohol, condiments, candy, pharmaceuticals, and skin care products. In 2022 alone, America consumed over 600 million pounds of honey (Board Reports, 2023), but less than a fifth of that was produced domestically, the rest imported from other countries. The international honey trade can …


The Effects Of Sous Vide Cooking And Cysteine Proteases On Instrumental And Sensory Textural Properties Of Lower Value Cuts Of Beef, Ian Smith 2023 Clemson University

The Effects Of Sous Vide Cooking And Cysteine Proteases On Instrumental And Sensory Textural Properties Of Lower Value Cuts Of Beef, Ian Smith

All Theses

Sous vide cooking has the potential to increase the value of lower quality cuts of beef. Understanding the textural properties following a cook-chill sous vide process is crucial to maximizing this potential. The use of enzymes may further increase the value of these products if able to positively alter the texture of the final product.

The first research objective was to use instrumental texture analysis to evaluate potential relationships between enzymatic treatments and sous vide processing time of lower value cuts of beef. Three cuts were evaluated: infraspinatus (top blade), semitendinosus (eye of round), and beef tongue. Infraspinatus and semitendinosus …


Effect Of Different Pre-Growth Temperatures On The Survival Kinetics Of Salmonella Enterica And Listeria Monocytogenes In Fresh-Cut Salad During Refrigerated Storage, Avninder Kaur, Veerachandra K. Yemmireddy 2023 The University of Texas Rio Grande Valley

Effect Of Different Pre-Growth Temperatures On The Survival Kinetics Of Salmonella Enterica And Listeria Monocytogenes In Fresh-Cut Salad During Refrigerated Storage, Avninder Kaur, Veerachandra K. Yemmireddy

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

The effect of the pre-growth temperature of bacterial cultures on their subsequent survival kinetics in fresh-cut produce during refrigerated storage was investigated in this study. Three-strain cocktails of Listeria monocytogenes and Salmonella enterica, cultured at different growth temperatures (4, 21, and 37 °C) were inoculated on fresh-cut mixed salad and on individual produce in the mixed salad. The inoculated samples were stored at 4 °C and 80 ± 2% relative humidity (RH) for up to 72 h and the growth, survival, or death kinetics were determined at regular intervals. The results indicate that depending upon the type of pathogen tested, …


Effect Of Different Pre-Growth Temperatures On The Survival Kinetics Of Salmonella Enterica And Listeria Monocytogenes In Fresh-Cut Salad During Refrigerated Storage, Avninder Kaur, Veerachandra K. Yemmireddy 2023 The University of Texas Rio Grande Valley

Effect Of Different Pre-Growth Temperatures On The Survival Kinetics Of Salmonella Enterica And Listeria Monocytogenes In Fresh-Cut Salad During Refrigerated Storage, Avninder Kaur, Veerachandra K. Yemmireddy

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

The effect of the pre-growth temperature of bacterial cultures on their subsequent survival kinetics in fresh-cut produce during refrigerated storage was investigated in this study. Three-strain cocktails of Listeria monocytogenes and Salmonella enterica, cultured at different growth temperatures (4, 21, and 37 °C) were inoculated on fresh-cut mixed salad and on individual produce in the mixed salad. The inoculated samples were stored at 4 °C and 80 ± 2% relative humidity (RH) for up to 72 h and the growth, survival, or death kinetics were determined at regular intervals. The results indicate that depending upon the type of pathogen …


Exploring Pathways To Food Science Careers In Southern California: A Case Study In Food Science Career Development, Jeremy L. Hsu, Sarah Ahles, Lilian W. Senger, Anuradha Prakash 2023 Chapman University

Exploring Pathways To Food Science Careers In Southern California: A Case Study In Food Science Career Development, Jeremy L. Hsu, Sarah Ahles, Lilian W. Senger, Anuradha Prakash

Food Science Faculty Articles and Research

Southern California is a diverse region that is home to a high concentration of food science companies, with an increasing demand for additional food scientists and technologists to join this workforce. Despite this abundance of food science companies and the high demand for jobs, there is currently a shortage in the number of qualified food scientists and technologists in the region. This shortage is also observed within higher education, with declining enrollments in the food science graduate and undergraduate programs across Southern California. Here, we conduct a case study to explore the factors that influence students from Southern California to …


Detection And Control Of Environmentally Transmissible Viruses, Anand R. Soorneedi 2023 University of Massachusetts Amherst

Detection And Control Of Environmentally Transmissible Viruses, Anand R. Soorneedi

Doctoral Dissertations

Viruses, owing to their ubiquitous nature and ability to infect almost every other species, have long been a subject of interest for scientists. Some of the virus species can be very deadly to humans and animals alike and can impose a huge economic and health burden across the world. The recent CoVID-19 pandemic underscores the importance of timely detection for developing effective intervention strategies. Unfortunately, some of the virus species that cause significant health and economic impacts do not have robust and reliable detection methods due to several reasons. In some cases, despite having gold standard methods for detection of …


Understanding And Developing Safer Sanitation Agents And Strategies In Food Production Environments, Pragathi Kamarasu 2023 University of Massachusetts Amherst

Understanding And Developing Safer Sanitation Agents And Strategies In Food Production Environments, Pragathi Kamarasu

Doctoral Dissertations

Food is a primary resource for survival of human beings, and it is also one of the primary resources for spread of infectious diseases. When both these factors come together it does not only cause ill effects on our health but also causes a burden on the food and agricultural industry. Through the help of science, us researchers and scientists have always tried to reduce this burden. And I hope like a drop of water in the ocean in some way my research contributes towards this. According to WHO currently in 2023 there are about 1 in 10 people falling …


Conventional Solid-State Fermentation Impacts The White Lupin Proteome Reducing The Abundance Of Allergenic Peptides, Arineh Tahmasian, Roger Drew, James A, Broadbent, Angéla Juhász, Mitchell Nye-Wood, Michelle L. Colgrave 2023 Edith Cowan University

Conventional Solid-State Fermentation Impacts The White Lupin Proteome Reducing The Abundance Of Allergenic Peptides, Arineh Tahmasian, Roger Drew, James A, Broadbent, Angéla Juhász, Mitchell Nye-Wood, Michelle L. Colgrave

Research outputs 2022 to 2026

The demand for high-quality and sustainable protein sources is on the rise. Lupin is an emerging plant-based source of protein with health-enhancing properties; however, the allergenic potential of lupins limits their widespread adoption in food products. A combination of discovery and targeted quantitative proteome measurements was used to investigate the impact of solid-state fermentation induced by Rhizopus oligosporus on the proteome composition and allergenic protein abundances of white lupin seed. In total, 1,241 proteins were uniquely identified in the fermented sample. Moreover, the effectiveness of the solid-state fermentation in reducing the abundance of the tryptic peptides derived from white lupin …


Analysis Of Antioxidant Synergism And Its Mechanisms In Different Food Systems, Ipek Bayram 2023 University of Massachusetts Amherst

Analysis Of Antioxidant Synergism And Its Mechanisms In Different Food Systems, Ipek Bayram

Doctoral Dissertations

Lipid oxidation results in off-flavors, toxic aldehydes, and co-oxidation of proteins and color compounds. Combining antioxidants to achieve synergistic interactions has been practiced for decades to improve oxidative stability. Nevertheless, synergism mechanisms have been poorly understood and rarely studied. This dissertation examines the mechanisms of antioxidant synergism in a model system with α-tocopherol (α-TOC) and myricetin (MYR). The interactions between α-tocopherol and taxifolin (TAX) were also tested because it has structural similarities to myricetin but has a higher redox potential. The first part of this research focused on the antioxidant interactions between α-tocopherol and myricetin in stripped soybean oil-in-water emulsions …


Evaluating The Potential Of Ozone Microbubbles For Inactivation Of Tulane Virus, A Human Norovirus Surrogate, bozhong guan 2023 University of Massachusetts Amherst

Evaluating The Potential Of Ozone Microbubbles For Inactivation Of Tulane Virus, A Human Norovirus Surrogate, Bozhong Guan

Masters Theses

Microbubbles are small gas-filled bubbles with diameters ranging from 50 to 1 μm, and less than 200 nm are called nanobubbles. Their small sizes and large specific surface area result in a high gas dissolution rate and long lifetime in liquid. Ozone is a strong oxidant that destroys microorganisms and only produces oxygen as the final by-product in fresh water. However, due to the poor stability of aqueous ozone, critical gas waste happens during treatments which leads to a high economic loss. Microbubbles have shown promising enhancement of ozone treatment. In previous studies, ozone microbubbles exhibited excellent efficacy in the …


Impact Of Fermented And Non-Fermented Plant-Based Foods Supplementation On Gut Microbiota And Metabolites In C57bl/6j Mice, Priya Darshan Gandhi 2023 University of Massachusetts Amherst

Impact Of Fermented And Non-Fermented Plant-Based Foods Supplementation On Gut Microbiota And Metabolites In C57bl/6j Mice, Priya Darshan Gandhi

Masters Theses

Plant-based proteins have gained popularity because of their high nutritional value and more sustainable alternative to animal-based proteins. Soybean and chickpea are two widely consumed plant-based proteins, whereas tempeh is a popular plant-based fermented whole food product that is rich in protein. With the increase in the development of plant-based food products, there is little research into how plant proteins affect gut microbiota characteristics and metabolites. Therefore, there is a need to understand the underlying mechanisms surrounding the consumption of these foods. The purpose of this study was to investigate the health benefits of soybean, chickpea, and their tempeh counterparts’ …


Sucrose Concentration And Fermentation Temperature Impact The Sensory Characteristics And Liking Of Kombucha, Gil Cohen 2023 University of Massachusetts Amherst

Sucrose Concentration And Fermentation Temperature Impact The Sensory Characteristics And Liking Of Kombucha, Gil Cohen

Masters Theses

Kombucha is a fermented tea beverage consumed for its probiotics and functional properties and has a unique sensory profile driven by the properties of tea polyphenols and fermentation products, including organic acids. Fermentation temperature and sucrose content affect the fermentation process and the production of organic acids, yet less is known about the impact on the sensory profile and consumer acceptance. Thus, we aim to examine the impact of sucrose concentration and fermentation temperature on sensory attributes and liking. For this study, kombucha tea was fermented at three different concentrations of sucrose and fermented at two temperatures for 11 days. …


A Novel Machine-Learning Framework Based On A Hierarchy Of Dispute Models For The Identification Of Fish Species Using Multi-Mode Spectroscopy, Mitchell Sueker, Amirreza Daghighi, Alireza Akhbardeh, Nicholas MacKinnon, Gregory Bearman, Insuck Baek, Chansong Hwang, Jianwei Qin, Amanda M. Tabb, Jiahleen Roungchun, Rosalee S. Hellberg, Fartash Vasefi, Moon Kim, Kouhyar Tavakolian, Hossein Kashini Zadeh 2023 University of North Dakota

A Novel Machine-Learning Framework Based On A Hierarchy Of Dispute Models For The Identification Of Fish Species Using Multi-Mode Spectroscopy, Mitchell Sueker, Amirreza Daghighi, Alireza Akhbardeh, Nicholas Mackinnon, Gregory Bearman, Insuck Baek, Chansong Hwang, Jianwei Qin, Amanda M. Tabb, Jiahleen Roungchun, Rosalee S. Hellberg, Fartash Vasefi, Moon Kim, Kouhyar Tavakolian, Hossein Kashini Zadeh

Food Science Faculty Articles and Research

Seafood mislabeling rates of approximately 20% have been reported globally. Traditional methods for fish species identification, such as DNA analysis and polymerase chain reaction (PCR), are expensive and time-consuming, and require skilled technicians and specialized equipment. The combination of spectroscopy and machine learning presents a promising approach to overcome these challenges. In our study, we took a comprehensive approach by considering a total of 43 different fish species and employing three modes of spectroscopy: fluorescence (Fluor), and reflectance in the visible near-infrared (VNIR) and short-wave near-infrared (SWIR). To achieve higher accuracies, we developed a novel machine-learning framework, where groups of …


Value-Added Green Processing Of Tomato Waste To Obtain A Stable Free-Flowing Powder Lycopene Formulation Using Supercritical Fluid Technology, Purlen Sezer Okur, Ozan Ciftci 2023 University of Nebraska-Lincoln

Value-Added Green Processing Of Tomato Waste To Obtain A Stable Free-Flowing Powder Lycopene Formulation Using Supercritical Fluid Technology, Purlen Sezer Okur, Ozan Ciftci

Department of Food Science and Technology: Faculty Publications

The tomato processing industry generates large amounts of waste, which creates disposal problems and negatively impacts the environment. Tomato waste contains lycopene, high-value health- and wellness-promoting bioactive, and it is a potential source of natural lycopene for food and nutraceutical applications. However, isolation of lycopene from its source requires toxic solvents, and lycopene is unstable during storage. The objective of this study was to extract lycopene from tomato waste and to convert it to a shelf-stable and easy-to-use free-flowing powder form using green extraction and particle formation processes based on supercritical carbon dioxide (SC-CO2) technology. Lycopene was extracted using SC-CO2 …


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