Nutrition Commons^™

Level Of Satisfaction Among Food Pantry Clients, Staff/Volunteers, And Directors And Its Association With Client Choice In Food Pantry Layouts, Myranda Dunmire

Electronic Theses and Dissertations

Objectives: Food insecurity is an issue in rural communities, particularly among food pantry clients. Food pantries may not provide clients with the opportunity to choose their own foods (client choice), and instead may just give a set amount and type of foods. Client choice is important in regards to client health status as well as perceptions of autonomy and quality of life. Although client choice can be promoted in food pantries, it may be difficult to grasp the process of food pantry transitioning and how well changes such as these may be perceived by clients or food pantry personnel. We …

Impact Of Concussion And Orthopedic Injuries On Physical Activity And Quality Of Life After Sport Retirement, Makenna Hancock

Electronic Theses and Dissertations

CONTEXT: Concussions and orthopedic injuries represent a significant risk related to participation in collegiate athletics. These injuries can create significant long-term impairments and functional limitations which may also decrease former athletes’ quality of life (QoL) and inhibit their ability to engage in physical activity. OBJECTIVE: To investigate QoL and physical activity levels of former collegiate athletes with a history of concussion and orthopedic injury, orthopedic injury only, and healthy controls. DESIGN: Descriptive, experimental study.
SETTING: Daily life as former National Collegiate Athletic Association Division I collegiate athlete.
PARTICIPANTS: Former Division I collegiate athletes competing in football, women’s soccer, baseball, softball, …

A Bioinfomatic Analysis Of Luminal And Mucosal Ileal Bacteria Colonizing Nursery Pigs Fed Different Protein Sources, Jamie L. Ortman

Electronic Theses and Dissertations

Weaning is a critical time in a young pig’s life that will greatly impact its adult growth and development. The objective of this research was to evaluate the effects of various protein sources on the bacterial composition within luminal and mucosal populations in simple and complex diets to gain a better understanding of factors influencing gut health. Weaned pigs were fed 1 of 3 simple experimental diets: 1) basic diet containing corn and soybean meal (Negative Control - NEG), 2) basic diet + fishmeal (FM; Positive Control - POS), and 3) basic diet + microbially-enhanced soybean meal (MSBM). Phase I …

Physical Activity Environments In Rural Communities: Exploring The Relationship Between Community Perceptions And The Environment, Elizabeth M. Bye

Electronic Theses and Dissertations

Purpose: To assess the physical activity environment, community perceptions of the physical activity environment, and the relationship between these variables in rural and/or underserved communities with high obesity prevalence.
Methods: The Rural Active Living Assessment (RALA) was used to assess the programs and policies (PPA), town-wide amenities (TWA), and street segments (SSA) of the physical activity environment and the Rural Active Living Perceived Environmental Support Scale (RALPESS) was used to assess community perception of the physical activity environment within eleven rural and/or underserved communities. Each section of the RALA and RALPESS are further broken down into additional subsections in order …

Effects Of Weight Loss On Gut Microbiota, Samitinjaya Dhakal

Electronic Theses and Dissertations

Incidence of obesity continues to rise for several decades now. Despite the availability of the multiple weight loss programs, losing or maintaining weight remains a universal challenge. A comprehensive lifestyle modification is usually the cornerstone for achieving weight loss. A wealth of new information on gut microbial responses to diet to impact human health has introduced a new frontier in nutrition science that may help better understand inter-individual response variations to weight-loss interventions. This observational study examined the microbiota changes after weight-loss in relation to age, sex, and body-composition features in adults. A 10% reduction in body weight resulted in …

Wellness Policy Awareness Among School Leaders And The Impact On Written Policy Scores, Mariah Reil

Electronic Theses and Dissertations

Background: All schools participating in the National School Lunch Program must possess a written School Wellness Policy (SWP) as mandated by the Healthy, Hunger- Free Kids Act of 2010.1 School officials and leaders play a major role in SWP implementation. It is essential to written SWP implementation that school level officials and leaders in the district are aware of the SWP. However, the association between school leader awareness of SWP and policy quality has not yet been studied.
Purpose: The purpose of the present study was to determine if school leader awareness of a SWP impacts the written SWP quality. …

Diet, Prebiotics And Probiotics: Effects On Gut Microbiota In Obesity And Metabolic Disorders, Thamer Aljutaily

Electronic Theses and Dissertations

Targeting gut microbiota with diet, prebiotics, and probiotics are emerging as a promising intervention in the comprehensive nutritional approach to reducing obesity and metabolic disorders. Recent human and animal studies suggest that such intervention can promote health benefits by influencing the aspects of metabolism and immunity. However, study of the multi-role association between the diet, the host and the microbiota remains to be clarified. My dissertation attempts to clarify the problem of how gut microbiota (taxonomic composition and predicted functional capacities) affects obesity and metabolic disorders.
In chapter 2, I conducted a placebo-controlled intervention clinical trial to evaluate effects of …

Growth Performance, Metabolic And Rumen Profile, Nutrient Utilization, And Health Of Calves Fed Condensed Whey Solubles With Starter Pellets, Michaela Joy Della

Electronic Theses and Dissertations

A study was conducted for this thesis to evaluate the effectiveness of a new product’s ability to improve calf health and growth performance. In addition to the results from the study, this thesis also includes a literature review of immune and rumen maturation in calves and a discussion of ways to protect and encourage those fundamental progressions. For the main research project 48 dairy calves were used in a randomized complete block design study to evaluate the growth performance, rumen fermentation and metabolic profiles, nutrient utilization, and health scores when calves were supplemented Condensed Whey Solubles (CWS) with their starter …

Eat Smart, Play Hard The Oyate Way: Impact Of A Culturally Tailored Nutrition And Physical Activity Curriculum On Elementary Youth, Abbey Hillestad

Electronic Theses and Dissertations

Objective: To assess changes in nutrition and physical activity (PA) knowledge and behavior in elementary-age participants from school districts with high American Indian enrollment after completion of a culturally tailored education curriculum.
Design: Pre-post intervention study assessing knowledge and behavior using quantitative methods. Participants: A total of 248 participants (Kindergarten through 5th grade, n=248) throughout 13 elementary classrooms in tribal communities participated in Eat Smart. Play Hard.: The Oyate Way. Intervention(s): Baseline and post intervention data from a culturally tailored nutrition and PA knowledge and behavior curriculum.
Main Outcome Measure(s): Dependent variables were nutrition and PA knowledge, and nutrition and …

Mean Nutrition And Physical Activity Knowledge Score Of Children Ages 3-5 Years In The Igrow Readers Intervention, Mollie Loes

Electronic Theses and Dissertations

The prevalence of childhood obesity remains high within the United States, which can lead to long-term harmful effects. During the first five years of children’s lives, healthy eating habits and physical activity patterns are formed, so the preschool years are a critical time to begin obesity prevention (4). Because the preschool years are crucial for providing healthy eating habits and physical activity patterns, there is the need for childhood obesity interventions. iGrow Readers is a cluster-randomized control study concentrated on children 3-5 years of age recruited from childcare centers from South Dakota, Nebraska, and Minnesota. Fourteen child care centers with …

Health & Nutritional Sciences Free Communication Day: Spring 2019 Plan B Abstracts, Viola Davies, Jonathan Shaeffer, Amy Hommes, Zachary Fehringer, Andrew Cheney, Alli Delay, Alyssa Finke, Kaitlin Reece, Jacob Elfmann, Maggan Froseth, Kala Nurnberg, Keith Thompson, David Andersen, Samantha Kratovil, Makenna Meier, Lezlie Pommer, Amanda Nack

Health and Nutritional Sciences Graduate Students Plan B Capstone Projects

This document contains Plan B abstracts presented by graduate students at the Health and Nutritional Sciences Free Communication Day, held on April 30th 2019.

Abstract titles include:

• Effect of supervised aquatic therapy and supervised land-based therapy on chronic low back pain.
• The College Football Recruiting Process and Ways to Improve It
• The Effects of Probiotics on Depression and Anxiety
• Arthroscopic Partial Meniscectomy versus Physical Therapy: Best Intervention to Improve Outcomes in Patients with Meniscal Tears?
• Does the inclusion of mental health education programs have an effect on the help seeking behavior of collegiate student-athletes?
• Establishing a Sustainable Nutrition Education Program …

Cross-Sectional And Longitudinal Association Between Glycemic Status And Body Composition In Men: A Population-Based Study, Khaleal Almusaylim, Maggie Minett, Teresa L. Binkley, Tianna M. Beare, Bonny Specker

Ethel Austin Martin Program Publications

This study sought to evaluate the associations between changes in glycemic status and changes in total body (TB), trunk, and appendicular fat (FM) and lean mass (LM) in men. A population-based study of men aged 20–66 years at baseline were included in cross-sectional (n = 430) and three-year longitudinal (n = 411) analyses. Prediabetes was defined as fasting glucose 100–125 mg/dL. Type 2 diabetes (T2D) was determined by: self-reported diabetes, current anti-diabetic drug use (insulin/oral hypoglycemic agents), fasting glucose (≥126 mg/dL), or non-fasting glucose (≥200 mg/dL). Body composition was evaluated by dual-energy X-ray absorptiometry. Longitudinal analyses showed that changes in …

Development And Validation Of A Simple Convenience Store Shelf Audit., Tanya M. Horacek, Elif Dede Yildirim, Erin Kelly, Adrienne A. White, Karla P. Shelnutt, Kristin Riggsbee, Melissa D. Olfert, Jesse Morrell, Anne E. Matthews, Terezie T Mosby, Tandalayo Kidd, Kendra Kattelmann, Geoffrey Greene, Lisa Franzen-Castle, Sarah E. Colby, Carol Byrd-Bredbenner, Onikia Brown

Health and Nutritional Sciences Faculty Publications

ackground This paper describes the development, reliability, and convergent validity of a practical tool-the Convenience StoreSupportive Healthy Environment for Life-Promoting Food (SHELF) Audit. Methods Audit items included: a variety of fresh, processed, and frozen fruits and vegetables; low-fat dairy products; healthy staples and frozen meals; healthy food incentive programs; items sold in check-out areas; portion/cup sizes; and pricing. Each audit item was scored using a five-point semantic-differential scale (1 = provides little or no support for healthful foods to 5 = provides high support for healthful foods). Convergent validity was examined by comparing the SHELF audit to Ghirardelli et al. …

Differences In Physical Activity And Diet Patterns Between Non-Rural And Rural Adults., Lacey Mccormack, Howard Wey, Jessica R. Meendering, Bonny Specker

Health and Nutritional Sciences Faculty Publications

BACKGROUND: It is unclear how rural occupations and lifestyles may play a role in shaping physical activity and diet behaviors that contribute to the rural⁻urban obesity disparity.
METHODS: Data come from the prospective and observational South Dakota Rural Bone Health Study, which included adults aged 20⁻66 years in three groups: (1) non-rural non-Hutterite, (2) rural non-Hutterite, and (3) rural Hutterite. Physical activity data were collected using 7-day physical activity questionnaires, and hours per day in physical activity categories are reported. Diet data were collected using food frequency questionnaires, and food group servings per day (svg/day) are reported. Mixed models were …

Health Behaviors Of Student Community Research Partners When Designing And Implementing A Healthy Lifestyle Intervention On College Campuses., Makenzie L. Barr, Sarah E. Colby, Kristin Riggsbee, Krista Leischner, Anne E. Matthews, Melissa J Vilaro, Kendra Kattelmann, Melissa D. Olfert

Health and Nutritional Sciences Faculty Publications

Few studies work with college students as equal partners in all aspects of Community-Based Participatory Research (CBPR) and even less evaluate behaviors of those college partners. The current study aimed to examine health behaviors of students by designing and implementing a peer-led, social marketing campaign (Get Fruved) to promote healthier lifestyles on their campuses. Enrolled students (n = 376) were trained to either design and implement a health promotion intervention (Social Marketing and Environmental Interventionists; SMEI, n = 78), be peer mentors (PM; n = 205), or serve as control participants (n = 93). Students' behaviors (dietary, activity, and stress) …

Multilevel Structural Equation Modeling Of Students' Dietary Intentions/Behaviors, Bmi, And The Healthfulness Of Convenience Stores., Tanya M. Horacek, Elif Dede Yildirim, Kendra Kattelmann, Carol Byrd-Bredbenner, Onikia Brown, Sarah E. Colby, Geoffrey Greene, Sharon Hoerr, Tandalayo Kidd, Mallory Koenings, Jesse Morrell, Melissa D. Olfert, Beatrice Phillips, Karla P. Shelnutt, Adrienne A. White

Health and Nutritional Sciences Faculty Publications

BACKGROUND: When dietary behaviors are habitual, intentions are low, and environmental cues, such as the consumer food environment, might guide behavior. How might intentions to eat healthily and ultimately actual dietary behaviors, be influenced by the consumer food environment (including the availability and affordability of healthy foods) in convenience stores? This study will determine pathways between the healthfulness of convenience stores and college students' dietary intentions/behaviors, and body mass index (BMI).
METHODS: Through multilevel structural equation modeling, a comparison was made of students' healthful meal intentions (HMI); intake (fruits/vegetables, %kcal/fat, sugar-sweetened beverages (SSBs) and whole-grains); and measured BMI; as well …

A Community Based Participatory Approach To Training Young Adults To Design And Implement A Social Marketing Framed Lifestyle Intervention On Their College Campus, Melissa D. Olfert, Makenzie L. Barr, Kristin Riggsbee, Kendra K. Kattelmann, Krista Leischner, Anne E. Mathews, Melissa Vilaro, Sarah E. Colby

Health and Nutritional Sciences Faculty Publications

Background: Using a Community-Based Participatory Research (CBPR) approach may increase the likelihood of relevance and acceptability of the designed intervention, especially on a college campus. Furthermore, recruiting and training college students to design a social marketing framed healthy lifestyle intervention for their peers will allow the intervention to be tailored to the needs of the campus. Objectives: To describe the process of online-course training college students to develop a campus-based, social marketing health promotion intervention. Methods: Four universities recruited current college students (18+ y.o.) to develop a social marketing and environmental intervention (SMEI), which was completed during a 16-week, online/in-person …

Improving The Nutrition And Screen Time Environment Through Self-Assessment In Family Childcare Homes In Nebraska, Dipti A. Dev, Natalie Williams, Iheoma Iruka, Aileen Garcia, Yage Guo, Irina Patwardhan, Katrina Cummings, Zainab Rida, Emily Hulse, Ami Sedani

Counseling and Human Development Faculty Publications

Objective: To determine if family childcare homes (FCCH) in Nebraska meet best practices for nutrition and screen time, and if focusing on nutrition and screen time policies and practices improves the FCCH environment. Design: A pre–post evaluation was conducted using the Go Nutrition and Physical Activity Self-Assessment for Childcare (Go NAP SACC). Setting: FCCH in Nebraska, USA. Subjects: FCCH enrolled in the Child and Adult Care Food Program (CACFP; n 208) participated in a pre–post evaluation using Go NAP SACC. Results: At baseline, all FCCH met the minimum childcare standards for fifty-four of fifty-six practices in nutrition and screen time. …

Voices For Food: Methodologies For Implementing A Multi-State Community-Based Intervention In Rural, High Poverty Communities., Suzanne Stluka, Lindsay Moore, Heather A Eicher-Miller, Lisa Franzen-Castle, Becky Henne, Donna Mehrle, Daniel Remley, Lacey Mccormack

Health and Nutritional Sciences Faculty Publications

BACKGROUND: Rural communities experience unique barriers to food access when compared to urban areas and food security is a public health issue in rural, high poverty communities. A multi-leveled socio-ecological intervention to develop food policy councils (FPCs), and improve food security in rural communities was created. Methods to carry out such an intervention were developed and are described.
METHODS: A longitudinal, matched treatment and comparison study was conducted in 24 rural, high poverty counties in South Dakota, Indiana, Missouri, Michigan, Nebraska and Ohio. Counties were assigned to a treatment (n = 12) or comparison (n = 12) group. Intervention activities …

Development Of Igrow: A Curriculum For Youth/Adult Dyads To Increase Gardening Skills, Culinary Competence, And Family Meal Time For Youths And Their Adult Caregivers, Jade A White, Rebecca L Hagedorn, Nicole L. Waterland, Makenzie L. Barr, Oluremi A Famodu, Amy E. Root, Adrienne A. White, Sarah E. Colby, Lisa Franzen-Castle, Kendra Kattelmann, Melissa D. Olfert

Health and Nutritional Sciences Faculty Publications

This manuscript describes the development of a “learn by actively participating” curriculum for youth and their adult caregivers (dyad pair) to increase gardening skills, culinary competence, and family meal time. The curriculum was developed by integrating “iCook 4-H” and Junior Masters Gardener “Health and Nutrition from the Garden”, and “Essential Elements of 4-H Youth Development” curriculums with additional resources for gardening activities from the USDA’s My Plate and garden-based recipes. Expert reviewers (n = 11) provided feedback on the curriculum content, session structure, dosage, age appropriateness, and balance of the three focused areas. Seven family dyads (n = 14) participated …

An Impact Mapping Method To Generate Robust Qualitative Evaluation Of Community-Based Research Programs For Youth And Adults, Melissa D. Olfert, Rebecca L. Hagedorn, Jade A. White, Barbara A. Baker, Sarah E. Colby, Lisa Franzen-Castle, Kendra Kattelmann, Adrienne A. White

Health and Nutritional Sciences Faculty Publications

Ripple Effect Mapping (REM) is an evaluation approach that has traditionally been used in community settings to visually map the impact of programming and community interventions. This manuscript utilizes the Community Capitals Framework (CCF) to inform REM and to better highlight the changes and impact between various levels of a community, following a childhood obesity prevention intervention. The addition of in-depth qualitative analyses makes this approach particularly useful for the evaluation of interventions with a research–community partnership focus. The objective of this study was to describe a CCF-informed REM approach with detailed protocol, training, and application to the community-based, childhood …

Health Disparities Score Composite Of Youth And Parent Dyads From An Obesity Prevention Intervention: Icook 4-H., Melissa D. Olfert, Makenzie L. Barr, Rebecca L. Hagedorn, Lisa Franzen-Castle, Sarah E. Colby, Kendra Kattelmann, Adrienne A. White

Health and Nutritional Sciences Faculty Publications

iCook 4-H is a lifestyle intervention to improve diet, physical activity and mealtime behavior. Control and treatment dyads (adult primary meal preparer and a 9–10-year-old youth) completed surveys at baseline and 4, 12, and 24 months. A Health Disparity (HD) score composite was developed utilizing a series of 12 questions (maximum score = 12 with a higher score indicating a more severe health disparity). Questions came from the USDA short form U.S. Household Food Security Survey (5), participation in food assistance programs (1), food behavior (2), level of adult education completed (1), marital status (1), and race (1 adult and …

Daily Dietary Intake Patterns Improve After Visiting A Food Pantry Among Food-Insecure Rural Midwestern Adults., Breanne N Wright, Regan L Bailey, Bruce A Craig, Richard D Mattes, Lacey Mccormack, Suzanne Stluka, Lisa Franzen-Castle, Becky Henne, Donna Mehrle, Dan Remley, Heather A Eicher-Miller

Health and Nutritional Sciences Faculty Publications

Emergency food pantries provide food at no cost to low-resource populations. The purpose of this study was to evaluate single-day dietary intake patterns before and after visiting a food pantry among food-secure and food-insecure pantry clients. This observational cohort study comprised a paired, before-and-after design with a pantry visit as the intervention. Participants (n = 455) completed a demographic and food security assessment, and two 24-h dietary recalls. Adult food security was measured using the U.S. Household Food Security Survey Module. Dietary intake patterns were assessed using Automated Self-Administered 24-h Recall data and classified by Healthy Eating Index (HEI-2010) …

Teens Implementing A Childhood Obesity Prevention Program In The Community: Feasibility And Perceptions Of A Partnership With Hsta And Icook 4-H., Rebecca L. Hagedorn, Jade A. White, Lisa Franzen-Castle, Sarah E. Colby, Kendra Kattelmann, Adrienne A. White, Melissa D. Olfert

Health and Nutritional Sciences Faculty Publications

High school student researchers and teen leaders from the Health Science Technology Academy (HSTA), under the supervision of HSTA teachers, led a childhood obesity prevention (COP) program (iCook 4-H). The objective was to evaluate the feasibility and perceptions of having teen leaders implement a COP program for dyads of youth (9⁻10 years old) and their primary adult food preparer. Behavior change and perceptions were assessed through surveys and open-ended interviews. Across eight HSTA organizations, 43 teen leaders participated in teaching the iCook 4-H program to 24 dyads. Increased frequency of culinary skills, physical activity and mealtime behavior were reported by …

Prevalence And Predictors Of Household Food Insecurity Among Adult/Youth Dyads At The Initiation Of The Icook 4-H Two-Year Obesity Prevention Study, M. Mcelrone, S. E. Colby, L. Franzen-Castle, M. D. Olfert, K. Kattelmann, Adrienne A. White

Health and Nutritional Sciences Faculty Publications

Objective: Determine food insecurity prevalence and predictors among adult/youth dyads enrolled in a childhood obesity prevention study (iCook 4-H).
Methods: The iCook 4-H intervention was designed for youth (9-10 years old) and their adult main meals preparer to cook, eat, and play together. Although not an inclusion criteria, diverse, low income, and/or rural families were the target during recruitment. At baseline, adults completed surveys on food insecurity, socioeconomic and demographic characteristics and youth anthropometrics were collected with body mass index (BMI) calculated. Descriptive statistics were computed and chi-square analysis was conducted to test differences between potential predictors and food insecurity. …

Quality Of Life Associated With Physical Activity But Not Sedentary Time In Youth, K. Kattelmann, E. Hofer, C. Merfeld, J. Meendering, M. Olfert, J. White, S. Colby, R. Meade, L. Franzen-Castle, T. Aquirre, D. Matthews, A. White

Health and Nutritional Sciences Faculty Publications

Purpose: It has been reported that youth who engaged in more screen time had lower quality of life scores compared to those that were more physically active. Furthermore, increased sedentary behavior increases health risks particularly the risk for obesity. A cross-sectional analysis was completed to examine the relationship between healthrelated quality-of-life (HRQOL) and accelerometer-measured sedentary time (ST) and physical activity (PA) in 9-10-yearold youth who were recruited for the family-based, childhood obesity intervention, iCook 4-H. It was hypothesized that objectively measured ST would be negatively correlated and PA would be positively correlated with HRQOL.
Methods: A subset of participants (n=118) …

The Healthfulness Of Entrées And Students' Purchases In A University Campus Dining Environment, Krista Leischner, Lacey Arneson Mccormack, Brian C. Britt, Greg Heiberger, Kendra Kattelmann

Health and Nutritional Sciences Faculty Publications

The purpose of this study is to determine the availability of "more healthful" (MH) versus "less healthful" (LH) entrée items in the campus dining and if students' purchases are reflective of what is offered. This is an observational study in which purchases of the available entrée items in the campus dining at South Dakota State University in one academic year were collected and categorized as either MH or LH according to the American Heart Association guidelines. Chi-square tests were used to determine the differences between the proportion of purchased MH and LH versus those available. Odds ratio estimates with 95% …

The Effect Of Icook 4-H, A Childhood Obesity Prevention Program, On Blood Pressure And Quality Of Life In Youth And Adults: A Randomized Control Trial, M. D. Olfert, O. A. Famodu, S. Flanagan, E. Smith, M. P. Leary, R. L. Hagedorn, J. A. White, M. M. Koenings, S. E. Colby, K. Kattelmann, L. Franzen-Castle, Adrienne A. White

Health and Nutritional Sciences Faculty Publications

Objective: Obesity increases the risk of developing hypertension and from population-based samples with estimations that of 2-4% of the U.S. pediatric population has hypertension, which may affect quality of life. This study examined the effects of an obesity prevention program on blood pressure and quality of life in youth and adult participants.
Methods: A multi-state research team recruited treatment dyads (youth and their adult meal preparer) to participate in a 12-week randomized control trial and follow-up through 24 months. The treatment group received a cooking and physical activity intervention, followed by booster sessions and mailed newsletters over the remaining two-year …

Gardening Experience Is Associated With Increased Fruit And Vegetable Intake Among First-Year College Students: A Cross-Sectional Examination, Jennifer Loso, Daniel Staub, Sarah E. Colby, Melissa D. Olfert, Kendra Kattelmann, Melissa Vilaro, James Colee, Wenjun Zhou, Lisa Franzen-Castle, Anne E. Matthews

Health and Nutritional Sciences Faculty Publications

Background Gardening interventions have been shown to increase fruit and vegetable (F/V) intake among school-aged children. It is unknown whether these effects persist into later adolescence or adulthood, and little is known about whether gardening in later adolescence is related to F/V intake. Objective To identify the relationship between both childhood and recent (within the past 12 months) gardening experiences and current F/V intake among college students. Design/participants A cross-sectional evaluation of 1,121 college freshmen with suboptimal F/V consumption from eight US universities. Main outcome measures Participants completed the National Cancer Institute Fruit and Vegetable Screener and questions about gardening …

Determination Of Selected Aromas In Marquette And Frontenac Wine Using Headspace-Spme Coupled With Gc-Ms And Simultaneous Olfactometry, Somchai Rice, Nanticha Lutt, Jacek A. Koziel, Murlidhar Dharmadhikari, Anne Fennell Dr

Agronomy, Horticulture and Plant Science Faculty Publications

Understanding the aroma profile of wines made from cold climate grapes is needed to help winemakers produce quality aromatic wines. The current study aimed to add to the very limited knowledge of aroma-imparting compounds in wines made from the lesser-known Frontenac and Marquette cultivars. Headspace solid-phase microextraction (SPME) and gas chromatography-mass spectrometry (GC-MS) with simultaneous olfactometry was used to identify and quantify selected, aroma-imparting volatile organic compounds (VOC) in wines made from grapes harvested at two sugar levels (22° Brix and 24° Brix). Aroma-imparting compounds were determined by aroma dilution analysis (ADA). Odor activity values (OAV) were also used to …