Digital Commons Network^™

Oxidative Stress Protection By Canary Seed (Phalaris Canariensis L.) Peptides In Caco-2 Cells And Caenorhabditis Elegans, Uriel Urbizo-Reyes, Kee-Hong Kim, Lavanya Reddivari, Joseph M. Anderson

Department of Food Science Faculty Publications

During oxidative stress, degenerative diseases such as atherosclerosis, Alzheimer's, and certain cancers are likely to develop. Recent research on canary seed (Phalaris canariensis) peptides has demonstrated the high in vitro antioxidant potential. Thus, this study aimed to assess the cellular and in vivo antioxidant capacity of a low-molecular-weight (<3 kDa) canary seed peptide fraction (CSPF) using Caco-2 cells and the Caenorhabditis elegans model. The results show that the CSPF had no cytotoxicity effect on Caco-2 cells at any tested concentration (0.3-2.5 mg/mL). Additionally, the cellular antioxidant activity (CAA) of the CSPF was concentration-dependent, and the highest activity achieved was 80% by the CSPF at 2.5 mg/mL. Similarly, incubation with …

Inflammatory Diseases And Resections Of The Digestive Tract Influence The Risk Of Circulating Food-Specific-Igg, Jacques Izard, Walker Carson, Joseph Baumert, Jennifer Clarke

Department of Food Science and Technology: Faculty Publications

Objectives: Individuals affected with inflammatory diseases of the digestive tract or have had surgical removal of sections of the digestive tract are often in need to adjust their diet. The symptomatology associated with food intake issues is often informally reported as food sensitivity. We investigated the circulating food-specific-IgG among ten conditions.

Conclusion: The risk of the having circulating food-specific IgG differed widely among the conditions investigated. The maintenance of a colonic environment might influence the risk of food sensitivity in ostomates.

Effect Of Vine Age And Selected Winemaking Techniques On The Sensory Profile Of Central Coast Red Wines, Isabelle Lomonaco

Master's Theses

Descriptive sensory analysis is essential to understanding how differing varietals, viticultural techniques, enological techniques, vintage, regions, etc. impact the sensory characteristics found in wines. These studies analyzed the sensory impacts of vine age, whole cluster and stem addition influences, the frequency of cap management regimes, and selected fermentation variables, on 2019 Zinfandel, 2020 Syrah, 2020 Tannat, 2020 Cabernet Sauvignon, and 2021 Graciano wines respectively, from the Central Coast of California, USA. The investigation of Old vine Zinfandel indicated that these wines were defined as complex due to the wide variety of descriptors used to characterize them, having high color saturation …

A Cross-Country Investigation Of Social Image Motivation And Acceptance Of Lab-Grown Meat In Singapore And The United States, Mark Chong, Angela K. Y. Leung, Verity Lua

Research Collection Lee Kong Chian School Of Business

This research has three goals. First, it sets out to compare consumer acceptance of lab-grown meat in the U.S. and in Singapore. Second, it seeks to explain the difference in Americans' and Singaporeans' acceptance of lab-grown meat by examining their eating motivations. Specifically, we focused on social image motivations – the motivations to present oneself positively in social contexts. Third, this study also aims to assess if exposure to information about lab-grown meat communicated by celebrity versus expert social media influencers (SMIs) can impact people's acceptance of lab-grown meat products. Our analysis showed that Singaporean participants had greater acceptance of …

Physicochemical, Techno-Functional And Bioactive Properties Of Camel Whey Protein Concentrate As Affected By Spray-Drying And Ultrasonication Treatment, Alanoud Muhsen Al Thaibani

Theses

Whey protein concentrates (WPCs) are gaining importance as a functional ingredient due to their nutritional, techno-functional and bioactive properties. In this study, WPCs were prepared from skimmed camel milk, then either spray-dried (SD) at 170, 185 and 200°C, or treated by ultrasonication (US) (20 kHz) for 5, 10 and 15 min followed by freeze-drying to obtain powders. The characterization of WPC powders was carried out by Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and Reverse-Phase Ultra Performance Liquid Chromatography (RP-UPLC) which showed that the US treatment degraded the proteins more than SD. The morphology, particle size, and surface charge of WPC …

Multifunctional Bioactive Properties Of Plant-Based Protein Hydrolysates Derived From Citrullus Colocynthis (Bitter Apple) And Pennisetum Glaucum (Pearl Millet) Seeds, Munira Jassem Alblooshi

Theses

Protein hydrolysates (PH) from plant-based proteins (PBP) are gaining importance due to the availability, sustainable and economical production when compared to their an-imal origin counterpart. Therefore, this study explored under-utilized PBP hydroly-sates derived from Bitter apple (BA) and Pearl millet (PM) and determined their bio-active properties. Enzymatic hydrolysis (EH) of BA and PM proteins was carried out by enzymes such as alcalase (A), bromelain (B), and chymotrypsin (C) for 3, 6, and 9 h to produce PH possessing high bioactive properties. Highest degree of hydrolysis (DH) was reported in BAPH generated with C9 (87.8%) whereas for PMPH highest DH was …

Producing Bacterial Cellulose From Coffee (Coffea Arabica) Kombucha Fermentation And Assessment Of Its Efficacy To Remove Pathogenic Bacteria From Contaminated Water And A Pollutant Dye From Aqueous Solution, Federico Bueno

LSU Doctoral Dissertations

Bacterial cellulose (BC), composed of cellulosic nanofibrils, is synthesized by a symbiotic culture of bacteria and yeast during the fermentation of coffee kombucha (CK). BC may be used as a purification agent and adsorbent. The overall goal of this project was to synthesize BC from CK fermentation and assess its efficacy in removing pathogenic bacteria from contaminated water and a pollutant dye from aqueous solution. The objectives of this study were to: (1) compare BCs that were produced from different carbohydrate substrates in the fermentation of CK, (2) characterize dried BCs produced using various drying methods, (3) evaluate BC as …

A Classification System For Defining And Estimating Dietary Intake Of Live Microbes In Us Adults And Children, Maria L. Marco, Robert Hutkins, Colin Hill, Victor L. Fulgoni Iii, Christopher J. Cifelli, Jaime Gahche, Joanne L. Slavin, Daniel Merenstein, Daniel J. Tancredi, Mary E. Sanders

Department of Food Science and Technology: Faculty Publications

Background:

Consuming livemicrobes in foods may benefit human health. Live microbe estimates have not previously been associated with individual foods in dietary databases.

Objectives:

We aimed to estimate intake of live microbes in US children (aged 2–18 y) and adults (≥19 y) (n = 74,466; 51.2% female).

Methods:

Using cross-sectional data from the NHANES (2001–2018), experts assigned foods an estimated level of live microbes per gram [low (Lo), <10⁴ CFU/g; medium (Med), 10⁴–10⁷ CFU/g; or high (Hi), >10⁷ CFU/g]. Probiotic dietary supplements were also assessed. The mean intake of each live microbe …

Becky Landes, Becky Landes, Institute Of Child Nutrition. Child Nutrition Archives.

Oral History Project (all interviews)

Becky Landes is a current Food Service Director for Manchester Community Schools in Indiana. For over 20 years, Becky has been in Child Nutrition. She holds a Level 4 Certificate from the School Nutrition Association and is pursuing a Bachelor’s degree in Business Administration and Management. Becky is involved in Farm to School in Indiana. She has collaborated with the Indiana Department of Education, Indiana Grown for Schools, and various other stakeholders in procuring and serving local foods in schools. Becky likes to be involved in the many facets of Child Nutrition. She participates in and is a member of …

John Dupre, John Dupre, Institute Of Child Nutrition. Child Nutrition Archives.

Oral History Project (all interviews)

John Dupre recently retired after 25 years as State Director of Nutrition Programs for the State of Louisiana.

Paternal Obesity And Effect Of Fish Oil Supplementation On Offspring Metabolic Health, Akriti Shrestha

Theses - ALL

Obesity and overweight arise due to an abnormal fat accumulation in the body that presents a risk to health. Individuals with body mass index (BMI) of greater than 30 kg/m2 are considered obese. CDC data show that 43% of the adults in the US are obese. The prevalence of obesity as well as its strong association with cardiovascular and metabolic diseases are the serious concerns of public health which calls for the need of appropriate diet/nutrition that can minimize the negative effect of obesity. Literature suggests that 50% of the contribution to obesity can be attributed to genetics. However, studies …

Growing Tea In Mississippi, Qianwen Zhang

Theses and Dissertations

Tea is the most popular beverage worldwide, second only to water. The United States is the third largest importer of tea in the world, importing a total of about 260 million pounds tea annually. With increased demand for locally sourced food products, questions are raised regarding whether domestic production of tea is feasible. Compared to major tea producing countries with centuries of growing history, tea production in the U.S. is limited and requires research support in many aspects of tea production. The objectives of this study were to investigate plant growth, leaf morphology, and seasonal chemical compositions in tea leaves …

Assessing The Microbiological Profile Of Raw Goat Milk And Understanding Producer Practices And Perceptions, Jacinda Skye Leopard

Theses and Dissertations

Raw milk sales are legal in 30 states, including Mississippi, where regulations are largely management-based and not food-safety related. The research objectives were to analyze the microbial profile of raw goat milk from Mississippi farms and assess food safety practices and perceptions of dairy goat farmers. Deficiencies and opportunities for improvement in raw goat milk safety were identified. Staphylococcus spp. was present in most (70%) milk samples but aligned with drying-off. E. coli, Enterobacteriaceae, and coliforms were observed in 4, 10, and 12 samples, respectively; no Salmonella spp. or Listeria monocytogenes were detected. The survey highlighted farmers' need for …

Improving Nutrition And Food Safety Knowledge Of Small-Scale Fish Processors In Delta State, Nigeria, Grace Adeola Adegoye

Theses and Dissertations

Introduction: Fish is an affordable animal source food that provides nutrition and serves as a source of income for many people especially women in Nigeria. Smoking and sun drying are the processing methods in practice that expose the fish products to possible contaminants which may consequentially negate their nutritive value.

Aim: To improve the knowledge of fish processors on nutrition and safe fish handling.

Methodology: A 3-day participatory training was organized to train 122 fish processors, 95 women, and 25 men. The training was conducted in the three senatorial districts in Delta State, Nigeria. Knowledge was assessed using the pre …

Evaluation Of The Major Seed Storage Proteins, The Conglutins, Across Genetically Diverse Narrow-Leafed Lupin Varieties, Arineh Tahmasian, Angéla Juhász, James A. Broadbent, Mitchell G. Nye-Wood, Thao T. Le, Michelle L. Colgrave

Research outputs 2022 to 2026

Lupin seeds have an excellent nutritional profile, including a high proportion of protein and dietary fiber. These qualities make lupin seeds an ideal candidate to help meet the growing global demand for complementary sources of protein. Of consequence to this application, there are nutritional and antinutritional properties assigned to the major lupin seed storage proteins—referred to as α-, β-, δ- and γ-conglutins The variation in the abundance of these protein families can impact the nutritional and bioactive properties of different lupin varieties. Hence, exploring the conglutin protein profiles across a diverse range of lupin varieties will yield knowledge that can …

The Application Of Food-Grade Chitosan And Another Food-Grade Compound In Coatings To Control Tyrophagus Putrescentiae (Schrank, Family: Acaridae) Growth On Dry-Cured Hams And Their Impact On Dry-Cured Ham Quality, Wenjie Shao

Theses and Dissertations

The objective of this research was to evaluate if chitosan and another food-grade compound can be incorporated into food-grade coatings in conjunction with propylene glycol and polysaccharides to control Tyrophagus putrescentiae growth without affecting sensory attributes, water activity, and moisture content of dry-cured hams. Each coating solution was coated on ham cubes (2.5 × 2.5 × 2.5 cm³, n = 5/treatment) or infused in ham nets, and dry-cured ham cubes were wrapped in the ham nets prior to inoculation with 20 mixed-sex adult mites. Randomized complete block designs with two replications were utilized to evaluate the efficacy of …

Market Pressure Based On International Food Standards In Export-Scale Urban Farming: Political Ecology Perspective, Kinanti Indah Safitri, Oekan Soekotjo Abdoellah, Budhi Gunawan, Yusep Suparman, Parikesit Parikesit

The Qualitative Report

Urban farming has been transformed into urban agricultural activities oriented towards optimizing economic benefits through export market involvement. However, the expansion of the market has consequences for farmers. The involvement of urban farmers in export trade causes market pressures that affect agricultural production practices. This research used qualitative research methods. There were 27 informants in this study. Researchers collected data to determine market pressures faced by export-scale urban farmers in Bandung Metropolitan. Data collection techniques used in-depth interviews, observation, and documentation. The results showed that the market had put pressure on export-scale urban farmers in Bandung Metropolitan to meet international …

Researching Of The Shelf Life And Quality Of Margarine Enriched In Inulin, Shakhnozakhon Salijonova, Akbarali Ruzibayev

CHEMISTRY AND CHEMICAL ENGINEERING

Extensive research is being carried out in the world on the effective use of non-traditional plant raw materials, its production in margarine, mayonnaise and similar oil and fat products. In this aspect, special attention is paid to improving targeted technological processes, developing margarine formulations from local raw materials, increasing the nutritional and biological value of products, efficient use of natural raw materials and expanding the range of products. The aim of the study is to study the shelf life of the obtained diabetic low-calorie margarine based on the extract of Jerusalem artichoke tubers. Based on the research, it was determined …

Alternative Sweeteners For Cultivating Water Kefir Grains, Morgan Barnes

Honors Theses

Water kefir is traditionally fermented using dark brown sugar due to a fast growth rate, however the use of other sweeteners, such as honey, is relatively unexplored. This paper describes the investigation of using alternative mediums made with honey, agave nectar, Truvia/stevia, and monk fruit sweetener, each supplemented with dark brown sugar on the biomass growth of water kefir grains (WKGs). Growth in these alternative mediums was compared to WKG growth in the standard medium prepared using only dark brown sugar. Two trials were conducted, each with three replicates for each experimental medium as well as three replicates of dark …

Blue Zones: Unlocking Key Themes In The Centenarian's Life, Grace Beer, Grace O. Beer

Honors College Theses

Longevity has been sought after in certain areas of the world, and there are specific regions where this has been achieved. There is an American average life expectancy of 72 years old, but individuals in “Blue Zones” here in America and other areas of the world are expected to and have proven to live well beyond 100. The areas of Okinawa, Sardinia, Nicoya, Ikaria, and Loma Linda are classified as Blue Zones, and there could be more of an understanding of how these people live the way they do to have such healthy physical outcomes. To deeply understand the strategy …

Great Northern Beans (Phaseolus Vulgaris L.) Lower Cholesterol In Hamsters Fed A High-Saturated-Fat Diet, An T. Nguyen, Sami A. Althwab, Haowen Qiu, Richard Zbasnik, Carlos A. Urrea, Timothy P. Carr, Vicki Schlegel

Department of Food Science and Technology: Faculty Publications

Background: Dietary interventions for high cholesterol, a primary risk factor for cardiovascular disease, are generally considered before prescribing drugs.

Objective: This study investigated the effects of whole Great Northern beans (wGNBs) and their hull (hGNB) incorporated into a high-saturated-fat (HSF) diet on cholesterol markers and hepatic/small intestinal genes involved in cholesterol regulation.

Methods: Each of the 4 groups of 11 male golden Syrian hamsters at 9 wk old were fed a normal-fat [NF; 5% (wt:wt) of soybean oil], HSF [5% (wt:wt) of soybean oil + 10% (wt:wt) of coconut oil], HSF+5% (wt:wt) wGNB, or HSF+0.5% (wt:wt) hGNB diet for 4 …

Fate Of Listeria Monocytogenes On Two Salad Blends At Ideal And Abusive Temperatures, Taran Virdi

Master's Theses

The consumption of ready-to-eat (RTE) foods has increased with popular RTE salad blends including non-traditional ingredients such as shredded Brussels sprouts, kale, red and green cabbage, chicory, and broccoli stalk. Concurrently, there has been an increase in the number of foodborne illnesses and outbreaks associated with leafy greens. The potential risk associated with these ingredients must be addressed as they have not typically been consumed raw, especially since L. monocytogenes continues to be a leading cause of foodborne illnesses and outbreaks. This study evaluated the survival of L. monocytogenes on two RTE salad blends at refrigeration, mildly abusive, and abusive …

Food Allergy Education In The Hospitality Industry, Hayley Stull

Human Nutrition and Hospitality Management Undergraduate Honors Theses

Food allergies affect thousands of people, because hospitality foodservice workers come into contact with the public, it is necessary that they need to be fully trained to ensure the safety of the public. This is especially important for those who possess food allergies. Previous research has shown major gaps in knowledge amongst these workers, which can lead to the potential to harm individuals with a food allergy. There is a lack in the consistency of training specifically concerning food allergies for food service workers across all states in the U.S. There are previous forms of educational tools concerning food allergies …

Camp: Children’S Acceptance Of Muffins With Different Proteins, Amber Knoernschild

Human Nutrition and Hospitality Management Undergraduate Honors Theses

In 2019, around 40% of school-aged children in Arkansas were classified as overweight (~17%) and obese (~23%), according to BMI data collected. Children with obesity have an increased risk of developing type 2 diabetes, hypertension, and dyslipidemia. Unhealthy eating habits, such as skipping breakfast, have been strongly associated with overeating, weight gain and obesity. Breakfast is a key component of a healthy diet and can positively impact children’s health and well-being. However, there has been a steady decline in breakfast consumption in US children over the past 40 years. Specifically, breakfast consumption declined among 8–10-yearold children by 9% and adolescents …

Broiler Efficiency As Affected By Dietary Protein Supply And Grain Source, Victoria Reid

Animal Science Undergraduate Honors Theses

This experiment was conducted to compare the effects of different diet compositions on performance and carcass yield of male broilers from 15 to 36 days of age. In total, 593 male birds were divided across a randomized design that consisted of 6 dietary treatments, each with 8 replications. The treatments included pelleted diets that varied in grain type and crude protein (CP) value: 3 sorghum-based diets at 20%, 18.75%, and 17.5% CP and 3 corn-sorghum blended diets at the same CP levels. CP amounts impacted only body weight gain and feed conversion rate while feed intake only differed with grain …

Characterization Of Gangliosides And Fatty Acids In Extracellular Vesicles From Human Milk, Aliya Amin

Food Science (MS) Theses

Extracellular vesicles (EVs) are bioactive components of human milk that may impact functionality to regulate growth, cognitive development, metabolism, and immunity in newborns. The biogenesis of EVs and the mechanism by which EVs elicit biologic effects in vivo have not been characterized entirely. Gangliosides and fatty acids are integral in the formation, release, stability, and functionalities of EVs. Presumably, EV function is related to EV composition and lipids in EVs influence the bioavailability of EV cargo and downstream functions of EVs. The objective of this research was to characterize the fatty acid and ganglioside composition of EVs in human milk. …

Comparison Of Carbon Footprints Of School Lunches In Dangriga, Belize, And Northwest Arkansas, Lauren Greenwood

Crop, Soil and Environmental Sciences Undergraduate Honors Theses

The original purpose of this study was to investigate differences in carbon footprints of school lunches by comparing a school in Arkansas, USA, and a school in Belize. Due to complications imposed by the COVID-19 pandemic, the purpose was revised to gathering preliminary data about the school lunch program at a school in Northwest Arkansas; data were to be used to estimate CO2-equivalent emissions for cafeteria energy use, meal ingredients from the two most popular meals served, and food transportation at the last point in the supply chain (food service delivery to school). This study highlights the intersection of food …

Consumer Preferences For Lab Grown Meat: The Effect Of Information On Consumer Choice, Aryn Blumenberg

Food Science Undergraduate Honors Theses

Global population growth and increased meat demand present challenges for the agricultural industry to produce meat sustainably. In-vitro meat (IVM) is an alternative that could reduce negative impacts associated with livestock production. The goal of this study was to examine consumers’ preferences for IVM. A choice experiment was created with twelve choice tasks that varied across five attributes: production method (IVM or conventional), carbon trust label, organic label, animal welfare label, and price. 1,120 US consumers were randomly assigned to one of four information treatments, differing by information presented regarding IVM: 1) neutral (baseline), 2) positive, 3) negative, and 4) …

Effects Of One-Pass Microwave Drying On Rice’S Utilization In The Brewing Process., Christopher Stuckey

Food Science Undergraduate Honors Theses

Rice is utilized as an adjunct grain by the beer manufacturing industry. Before utilization, the rice has to be dried to a desired moisture content. The drying process employed may have an impact on the rice’s physicochemical properties which influence the rice’s performance in the brewing process. This study focused on investigating the impact of microwave drying on rice’s physicochemical properties and utilization in the brewing process. Rough rice samples at an initial moisture content of 19.7% wet basis were exposed to microwave dryer set to deliver 525 kJ/kg of energy in a single drying pass. The effects of the …

Evaluating The Accuracy And Quality Of Microgreens Training Materials Available On The Internet: A Content Analysis, Supun Chathuranga Nabadawa Hewage

All Theses

Microgreens are the young, edible seedlings of various vegetables, spices, herbs, and considered as the intermediate stage of sprouts and mature greens, suggesting microgreens may share similar food safety risks with both of these produce. Even though there are no known outbreaks due to contaminated microgreens, multiple product recalls have been reported, indicating food safety risks associated with microgreens should not be underemphasized. A recent national survey of the U.S. microgreens industry reported that almost half of growers (48.3% of 176) learned to grow microgreens by viewing websites and videos on the internet.¹ However, it is unknown whether the …