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Beyond The Breakfast Club: The Influence Of Breakfast Type On Cognition, Jillian D. Saccogna Jan 2018

Beyond The Breakfast Club: The Influence Of Breakfast Type On Cognition, Jillian D. Saccogna

Senior Independent Study Theses

The glycemic index (“GI”) of a food refers to the magnitude with which the food elevates an individual’s blood glucose levels, and this value can be used to calculate the glycemic load (“GL”) of a specific portion of food. Some evidence suggests that blood glucose levels may play a key role in self-control. Emerging research suggests that consuming low GI or GL breakfasts may enhance memory performance and result in greater levels of positive affect compared to high GI or GL breakfasts. Participants in the present study were randomly assigned to consume either a low GI/GL breakfast or a high …


Development Of Simple Devices For Point-Of-Care Screening Of Bacterial Infection And Inflammatory Markers, Julaluk Noiphung Jan 2018

Development Of Simple Devices For Point-Of-Care Screening Of Bacterial Infection And Inflammatory Markers, Julaluk Noiphung

Chulalongkorn University Theses and Dissertations (Chula ETD)

A paper-based analytical devices (PADs) provides a great benefit in medical diagnostics, especially in the developing world. The first part of this dissertation describes the effect of sample viscosity on PADs for the measurement of pH and nitrite concentration in human saliva. Preliminary study found that viscosity had a significant effect on the calibration curve of nitrite and a consistent curve could be generated after added washing buffer. Nitrite measurement in artificial saliva with viscosity 1.87-5.10 mPa-s was tested on the proposed device and also showed a good correlation with the standard spectrophotometry method (p=0.8484, paired sample t-test, n=20). Moreover, …


The Effect Of Nac And Carnosine On Alzheimer’S Disease-Related In Vitro Model Through Rage-Age Signaling Pathway, Suphasarang Sirirattanakul Jan 2018

The Effect Of Nac And Carnosine On Alzheimer’S Disease-Related In Vitro Model Through Rage-Age Signaling Pathway, Suphasarang Sirirattanakul

Chulalongkorn University Theses and Dissertations (Chula ETD)

Alzheimer’s disease (AD) is the most common dementia which found increasing with age. It involves neurodegeneration which leads to various abnormalities especially memory loss, inability to learn new things, lack of creativity, lack of decision making ability, lack of critical thinking, calculation inability, inability to live normal daily life, inability to recognize person, time and place, emotional disturbance, and difficulty to use language. Since AD has severe impact in various aspects on both the patients and their families, so we are interested to study the neurodegenerative mechanism when neuronal cells are under oxidative stress which will induce neuroinflammation through the …


Development Of Value Added Unripe Papaya Flour From Waste Product Of Fruit Industry, Waralee Joymak Jan 2018

Development Of Value Added Unripe Papaya Flour From Waste Product Of Fruit Industry, Waralee Joymak

Chulalongkorn University Theses and Dissertations (Chula ETD)

Papaya fruit (Carica papaya L.) belonging to Caricaceae family is recognized as a good source of dietary fiber and antioxidants. The objective of this study was to develop the unripe papaya flour (UPF) from waste fruit product. The study was also investigated physicochemical, functional properties of UPF and its addition of pancake. First, the small pieces of unripe papaya were heated by hot air oven, then ground by using a high-speed universal grinder and sieved through a 100-mesh sieve. The particle size of UPF was 140.8±2.1 µm with randomly irregular shape. The hydration properties of UPF was higher than wheat …


Effect Of Bitter Gourd Extracts On The Mutagenicity Of 1-Aminopyrene Reacted With Nitrite Using Ames Test, Korkiat Panpasuk Jan 2018

Effect Of Bitter Gourd Extracts On The Mutagenicity Of 1-Aminopyrene Reacted With Nitrite Using Ames Test, Korkiat Panpasuk

Chulalongkorn University Theses and Dissertations (Chula ETD)

This study was conducted to investigate the mutagenic activity of raw and cooked bitter gourd (Momordica charantia) including raw fruit extract (RW), blanching water (BW), hot water extract from blanched fruit (HB), stir-fried fruit extract (SF), and stir-fried fruit (pre-squeezed with salt) extract (SS). In addition, the effects of extracts in modifying the mutagenic activity of mutagen freshly prepared by the reaction between 1-aminopyrene and sodium nitrite and the effects when adding each extract at the beginning of the same reaction using Ames test on Salmonella typhimurium strains TA98 and TA100 without enzymatic activation were also determined. The data for …


Antioxidant And Antimutagenic Activity Of Extracts From Pericarp And Seed Of Zanthoxylum Limonella Alston, Patamawan Wipoosanapan Jan 2018

Antioxidant And Antimutagenic Activity Of Extracts From Pericarp And Seed Of Zanthoxylum Limonella Alston, Patamawan Wipoosanapan

Chulalongkorn University Theses and Dissertations (Chula ETD)

This study was conducted to investigate the antioxidant and antimutagenic activity of Zanthoxylum limonella seed extract and that of Z. limonella pericarp extract. The total phenolic contents and antioxidant activity assay including DPPH assay and FRAP assay were performed. The results showed that the antioxidant activity of pericarp extract was higher than that of the seed extract. The direct mutagenicity assay was determined, with and without nitrite treatment using the Ames test towards Salmonella typhimurium strains TA98 and TA100. The mutagenic modification assay was performed by measuring the interfering effect of the pericarp extract and the seed extract on the …


Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat Jan 2018

Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat

Chulalongkorn University Theses and Dissertations (Chula ETD)

Antimicrobial food coating is the interesting method for food preservation, especially in fruits and vegetables. Previous studies have been reported that the caprylic acid had the antimicrobial activity against a variety of microorganisms. However, little research has been conducted on the use of caprylic acid in the form of food coatings. Therefore, this study aims to determine the optimum conditions for the caprylic acid emulsion preparation and to evaluate the antimicrobial activity of the emulsion, including the effect of food coatings with caprylic acid emulsion on physical properties and microbial growth inhibition. Emulsions containing 4% w/v caprylic acid (oil) and …


Carbohydrate Content Of The Medications For Epileptic Children Treated With Ketogenic Diet At King Chulalongkorn Memorial Hospital, Thanarat Sawangrit Jan 2018

Carbohydrate Content Of The Medications For Epileptic Children Treated With Ketogenic Diet At King Chulalongkorn Memorial Hospital, Thanarat Sawangrit

Chulalongkorn University Theses and Dissertations (Chula ETD)

The purposes of this study were to establish a database of the carbohydrate content of medications and investigate carbohydrate content of medications in epileptic children treated with ketogenic diet (KD) at King Chulalongkorn Memorial Hospital. One hundred sixty-nine KD order forms in 3 events (KD initiation, follow-up visit, and hospital re-admission) for epileptic children whose aged younger than 18 years old during 2009-2017 were selected. Clinical and nutritional data were obtained from medical records and KD order forms from the pediatric nutrition unit. The study showed that oral liquid dosage forms had the highest carbohydrate content in the formulations as …


Study Of Hiv-1 Reverse Transcriptase And Protease Inhibition By Mushroom Extracts, Chanin Sillapachaiyaporn Jan 2018

Study Of Hiv-1 Reverse Transcriptase And Protease Inhibition By Mushroom Extracts, Chanin Sillapachaiyaporn

Chulalongkorn University Theses and Dissertations (Chula ETD)

Human immunodeficiency virus type-1 (HIV-1) can cause acquired immunodeficiency syndrome (AIDS), a world serious public health problem. HIV-1 protease (HIV-1 PR) and reverse transcriptase (HIV-1 RT) are necessary target enzymes which have been used for antiretroviral drugs development. Herein, Lignosus rhinocerus (LR), Auricularia polytricha (AP) and Astraeus spp. (AH) crude extracts were screened for inhibitory activities on both enzymes. Crude hexane extract of AP (APH) exhibited significant inhibition on both HIV-1 PR and RT activities not only in an in vitro non-cell based but also cell based assays. In HIV-1 infected MOLT-4 cell model, APH significantly reduced capsid protein (p24) …


Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat Jan 2018

Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat

Chulalongkorn University Theses and Dissertations (Chula ETD)

Antimicrobial food coating is the interesting method for food preservation, especially in fruits and vegetables. Previous studies have been reported that the caprylic acid had the antimicrobial activity against a variety of microorganisms. However, little research has been conducted on the use of caprylic acid in the form of food coatings. Therefore, this study aims to determine the optimum conditions for the caprylic acid emulsion preparation and to evaluate the antimicrobial activity of the emulsion, including the effect of food coatings with caprylic acid emulsion on physical properties and microbial growth inhibition. Emulsions containing 4% w/v caprylic acid (oil) and …


Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat Jan 2018

Preparation And Antimicrobial Activity Of Caprylic Acid Emulsion For Food Coating, Raweewan Bunyovimonnat

Chulalongkorn University Theses and Dissertations (Chula ETD)

Antimicrobial food coating is the interesting method for food preservation, especially in fruits and vegetables. Previous studies have been reported that the caprylic acid had the antimicrobial activity against a variety of microorganisms. However, little research has been conducted on the use of caprylic acid in the form of food coatings. Therefore, this study aims to determine the optimum conditions for the caprylic acid emulsion preparation and to evaluate the antimicrobial activity of the emulsion, including the effect of food coatings with caprylic acid emulsion on physical properties and microbial growth inhibition. Emulsions containing 4% w/v caprylic acid (oil) and …


การพัฒนาแบบจำลองเซลล์ลำไส้ของมนุษย์บนกระดาษที่มีการดัดแปรพื้นผิวและต้นแบบไบโอเซนเซอร์ไร้สายสำหรับตรวจวัดการเจริญของจุลชีพก่อโรค, ปัณณวิชญ์ ถิรบวรกิจพิธาน Jan 2018

การพัฒนาแบบจำลองเซลล์ลำไส้ของมนุษย์บนกระดาษที่มีการดัดแปรพื้นผิวและต้นแบบไบโอเซนเซอร์ไร้สายสำหรับตรวจวัดการเจริญของจุลชีพก่อโรค, ปัณณวิชญ์ ถิรบวรกิจพิธาน

Chulalongkorn University Theses and Dissertations (Chula ETD)

วิทยานิพนธ์นี้เป็นการนำเสนองานวิจัย การพัฒนาวิธีการใหม่เพื่อควบคุมและเฝ้าระวังโรคติดเชื้อ โดยประกอบด้วยเนื้อหาสำคัญสองส่วน ได้แก่ (i) การพัฒนาแบบจำลองเซลล์ลำไส้ของมนุษย์ที่เพาะเลี้ยงบนกระดาษที่มีการดัดแปรพื้นผิว เพื่อใช้ประโยชน์ในการศึกษากลไกการบุกรุกของเชื้อจุลชีพก่อโรคในระบบทางเดินอาหาร และ (ii) การพัฒนาต้นแบบไบโอเซนเซอร์แบบไร้สายเพื่อการตรวจติดตามการเจริญของเชื้อจุลชีพก่อโรค โดยในส่วนแรก เซลล์ลำไส้ของมนุษย์ HT-29 จำนวน 200,000 เซลล์ ถูกเพาะเลี้ยงในบริเวณชอบน้ำของกระดาษกรอง Whatman No.1 โดยกระดาษถูกดัดแปรพื้นผิวด้วยสารแมทริกซ์นอกเซลล์ (Extracellular matrix: ECM) ชนิดต่าง ๆ ได้แก่ Matrigel, Collagen-1 และ Laminin พื้นที่เพาะเลี้ยงเซลล์มีขนาด 12.56 ตารางมิลลิเมตร ภายใต้สภาวะที่เหมาะสม เซลล์ HT-29 ที่ถูกเพาะเลี้ยงบนกระดาษ มีชีวิตรอดได้ถึง 28 วัน และแสดงลักษณะของเซลล์ที่เจริญเต็มที่ โดยมีการแสดงออกของวิลไล (villi) ที่ผิวเซลล์ด้านบน (apical) และมีการแสดงออกของโปรตีน ZO-1 ซึ่งแสดงถึงเซลล์มีการสร้างไทต์จังก์ชันเกิดขึ้น จากการใช้สารเชื่อมพันธะสำหรับเชื่อมพันธะ ECM แต่ละชนิด พบว่าเมื่อใช้สารเจนิพินในการเชื่อมพันธะ เซลล์มีชีวิตรอดทั้งหมด (100 -112.8%) ในขณะที่มีเพียง 1.1 - 67.3 % ของเซลล์รอดชีวิต หากใช้สารกลูตารัลดีไฮด์ในการเชื่อมพันธะ แต่การใช้สารเชื่อมพันธะทั้งสองชนิด ทำให้เซลล์ไม่สามารถแบ่งตัวมีรูปร่างแบบสามมิติได้ เมื่อสังเกตด้วย SEM เซลล์มีลักษณะแบน การดัดแปรพื้นผิวกระดาษด้วยสาร ECM ชนิด Matrigel ส่งผลให้เซลล์มีชีวิตรอดมากที่สุดและสาร ECM ชนิด Laminin ทำให้เซลล์เกิดการแปรสภาพ (cell differentiation) ได้ดีที่สุด งานวิจัยส่วนที่ 2 เป็นการพัฒนาไบโอเซนเซอร์ไร้สายสำหรับติดตามการเจริญของเชื้อจุลชีพก่อโรค ได้แก่ เชื้อ Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Streptococcus gordonii และ Candida albicans พบว่าเชื้อดังกล่าวสามารถสร้างไบโอฟิล์มบนผิวของขั้วไฟฟ้าคาร์บอนอสัณฐาน (glassy carbon electrode) และสามารถให้ค่าศักย์ไฟฟ้าที่เป็นลบได้ …


Independent And Interactive Associations Of Negative Affect, Restraint, And Impulsivity In Relation To Binge Eating Among Women, Tyler B. Mason, Kathryn E. Smith, Jason M. Lavender, Robin J. Lewis Jan 2018

Independent And Interactive Associations Of Negative Affect, Restraint, And Impulsivity In Relation To Binge Eating Among Women, Tyler B. Mason, Kathryn E. Smith, Jason M. Lavender, Robin J. Lewis

Psychology Faculty Publications

There is growing recognition that impulsivity may serve as an underlying risk factor for binge eating. In addition, the association of impulsivity with binge eating may be moderated by other affective and cognitive risk factors. This study examined independent and interactive associations of negative affect, dietary restraint, and facets of impulsivity with binge eating. A diverse sample of 566 undergraduate women completed online questionnaires of study variables. Results revealed a three-way interaction of negative affect, dietary restraint, and attentional impulsivity in relation to binge eating. Women who were high on each of these three variables reported the greatest levels of …


Implementing A Healthy Diet In The Intellectual Disability Residential Community, Stephanie Michelle Shelton Jan 2018

Implementing A Healthy Diet In The Intellectual Disability Residential Community, Stephanie Michelle Shelton

Walden Dissertations and Doctoral Studies

The problem addressed in this study was how staff working in a residential agency for individuals with an intellectual disability (IID) make decisions about how to implement a healthy diet. The purpose of this study was to identify the influences on decisions made by staff on the meals they provided to their clients with an IID. The theory of planned was used to study the influences of attitude, subjective norms, and perceived behavior control on the meals provided for IID. The key research question explored how staff members make decisions. A qualitative case study design was used. The 12 participants …


Blunted Serum 25(Oh)D Response To Vitamin D3 Supplementation In Children With Autism, Conor Kerley, Basil Elnazir, Peter Greally, David Coghlan Jan 2018

Blunted Serum 25(Oh)D Response To Vitamin D3 Supplementation In Children With Autism, Conor Kerley, Basil Elnazir, Peter Greally, David Coghlan

Articles

Introduction: Data suggest a potential role for vitamin D in autism spectrum disorder (ASD) prevention and treatment. It is likely that the serum response to vitamin D supplementation contributes to its effectiveness. Multiple factors affect serum vitamin D 25(OH)D response to supplementation.

Methods: We conducted post-hoc analysis of two double-blind, randomized, placebo-controlled trials (RCT) of vitamin D3 supplementation, one RCT involving children with ASD and another involving children with asthma. Both trials were conducted in the same geographic location (Dublin, Ireland, 53°N), conducted over Winter season and utilized the same vitamin D3 dose (2000 IU/day).

Results: We …


Strategies To Address The Complex Challenge Of Improving Regional And Remote Children’S Fruit And Vegetable Consumption, Stephanie L. Godrich, Christina R. Davies, Jill Darby, Amanda Devine Jan 2018

Strategies To Address The Complex Challenge Of Improving Regional And Remote Children’S Fruit And Vegetable Consumption, Stephanie L. Godrich, Christina R. Davies, Jill Darby, Amanda Devine

Research outputs 2014 to 2021

Fruit and vegetables (F&V) are imperative for good health, yet less than one per cent of Australian children consume these food groups in sufficient quantities. As guided by Social Cognitive Theory (SCT), this paper aimed to: (i) understand key informant perspectives of the amount, types and quality of F&V consumed by rural and remote Western Australian (WA) children; and, (ii) determine strategies that could increase F&V consumption among rural and remote WA children. This qualitative study included 20 semi-structured interviews with health, school/youth and food supply workers, focusing on topics including: quantity and type of F&V consumed and strategies to …


Vulnerable, Single And Living In Poverty: Women’S Challenges To Accessing Food In The Australian Capital Territory, Tanya Lawlis, Amanda Devine, Penney Upton Jan 2018

Vulnerable, Single And Living In Poverty: Women’S Challenges To Accessing Food In The Australian Capital Territory, Tanya Lawlis, Amanda Devine, Penney Upton

Research outputs 2014 to 2021

Objective: To explore challenges to food access faced by vulnerable women living in the Australian Capital Territory and surrounds.

Method: Qualitative study comprising semi‐structured interviews supplemented with quantitative demographic data.

Results:Forty‐one women, mean age of 43 years, living in government and community housing who had an income of

Conclusion: Access to safe, nutritious and healthy food is difficult for women living in poverty. Acknowledgement of challenges that contribute to women’s food insecurity by all stakeholders is essential to address the problem and build sustainable actions and solutions.

Implications for public health: Collaboration from all stakeholders within our food system …


Relationship Of Dietary Nitrate Intake From Vegetables With Cardiovascular Disease Mortality: A Prospective Study In A Cohort Of Older Australians, Alex H. Liu, Catherine P. Bondonno, Joanna Russell, Victoria M. Flood, Joshua R. Lewis, Kevin D. Croft, Richard J. Woodman, Wai H. Lim, Annette Kifley, Germaine Wong, Paul Mitchell, Jonathan M. Hodgson, Lauren C. Blekkenhorst Jan 2018

Relationship Of Dietary Nitrate Intake From Vegetables With Cardiovascular Disease Mortality: A Prospective Study In A Cohort Of Older Australians, Alex H. Liu, Catherine P. Bondonno, Joanna Russell, Victoria M. Flood, Joshua R. Lewis, Kevin D. Croft, Richard J. Woodman, Wai H. Lim, Annette Kifley, Germaine Wong, Paul Mitchell, Jonathan M. Hodgson, Lauren C. Blekkenhorst

Research outputs 2014 to 2021

Purpose: Short-term trials indicate inorganic nitrate and nitrate-rich vegetables may have vascular health benefits. However, few observational studies have explored the relationship between nitrate intake and long-term cardiovascular disease (CVD) outcomes. The primary aim of this study was to investigate the association of nitrate intake from vegetables with CVD mortality in a sample of older Australians.

Methods: A subgroup of participants without diabetes or major CVD at baseline (1992–1994) were included from the Blue Mountains Eye Study, a population-based cohort study of men and women aged ≥ 49 years. Diets were evaluated using a validated food frequency questionnaire at baseline, …


Nitrate, The Oral Microbiome, And Cardiovascular Health: A Systematic Literature Review Of Human And Animal Studies, Lauren C. Blekkenhorst, Nicola P. Bondonno, Alex H. Liu, Natalie C. Ward, Richard L. Prince, Joshua R. Lewis, Amanda Devine, Kevin D. Croft, Jonathan M. Hodgson, Catherine P. Bondonno Jan 2018

Nitrate, The Oral Microbiome, And Cardiovascular Health: A Systematic Literature Review Of Human And Animal Studies, Lauren C. Blekkenhorst, Nicola P. Bondonno, Alex H. Liu, Natalie C. Ward, Richard L. Prince, Joshua R. Lewis, Amanda Devine, Kevin D. Croft, Jonathan M. Hodgson, Catherine P. Bondonno

Research outputs 2014 to 2021

Background

Dietary nitrate is an important source of nitric oxide (NO), a molecule critical for cardiovascular health. Nitrate is sequentially reduced to NO through an enterosalivary nitrate-nitrite-NO pathway that involves the oral microbiome. This pathway is considered an important adjunct pathway to the classical l-arginine–NO synthase pathway.

Objective

The objective of this study was to systematically assess the evidence for dietary nitrate intake and improved cardiovascular health from both human and animal studies.

Design

A systematic literature search was performed according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines by using key search terms in Medline and …


Dietary Nitrate And Diet Quality: An Examination Of Changing Dietary Intakes Within A Representative Sample Of Australian Women, Jacklyn K. Jackson, Amanda J. Patterson, Lesley K. Macdonald-Wicks, Catherine P. Bondonno, Lauren C. Blekkenhorst, Natalie C. Ward, Jonathan M. Hodgson, Julie E. Byles, Mark A. Mcevoy Jan 2018

Dietary Nitrate And Diet Quality: An Examination Of Changing Dietary Intakes Within A Representative Sample Of Australian Women, Jacklyn K. Jackson, Amanda J. Patterson, Lesley K. Macdonald-Wicks, Catherine P. Bondonno, Lauren C. Blekkenhorst, Natalie C. Ward, Jonathan M. Hodgson, Julie E. Byles, Mark A. Mcevoy

Research outputs 2014 to 2021

Dietary nitrate is increasingly linked to a variety of beneficial health outcomes. Our purpose was to estimate dietary nitrate consumption and identify key dietary changes which have occurred over time within a representative sample of Australian women. Women from the 1946–1951 cohort of the Australian Longitudinal Study on Women’s Health with complete food frequency questionnaire data for both 2001 and 2013 were included for analysis. Dietary nitrate intakes were calculated using key published nitrate databases. Diet quality scores including the Australian Recommended Food Score, the Mediterranean Diet Score and the Nutrient Rich Foods Index were calculated along with food group …


Antibiotic Resistance In Gram Negative Bacteria Isolated From Fish Sold In Western Australia, Hannah Kathleen Robinson Jan 2018

Antibiotic Resistance In Gram Negative Bacteria Isolated From Fish Sold In Western Australia, Hannah Kathleen Robinson

Theses: Doctorates and Masters

Background Information The global misuse and overuse of antibiotics in human medicine and the animal production industry is contributing to the development of antibiotic resistance in bacteria. This is a serious threat to modern medicine and public health. Antibiotic resistant organisms can cause severe infections in humans which are difficult to treat, and in some cases impossible to resolve which can lead to premature death. Several studies have been conducted across the globe to assess the use of antibiotics in the seafood industry and the associated health risks, however, limited studies have recently explored this risk in an Australian setting. …


Snac_Oshc: Exploring A Multifaceted Approach To Develop Outside Of School Hours Care As A Health Promoting Setting, Karen Forde Jan 2018

Snac_Oshc: Exploring A Multifaceted Approach To Develop Outside Of School Hours Care As A Health Promoting Setting, Karen Forde

Theses : Honours

Background: Outside of school hours care (OSHC) services are underutilised as health promoting settings, yet are well positioned to influence health behaviours. OSHC Professionals are ideally placed to become positive influencers in this setting, although may require training to confidently perform this role.

Aim: This research trialed a multifaceted intervention strategy to increase OSHC Professional’s confidence and competencies, to support a health promoting OSHC environment with a nutrition and PA activity focus.

Design and Methods: This exploratory study adopted a mixed methods approach. The three-pronged, multifaceted intervention included: a workshop, a closed Facebook group, and a website. 19 OSHC Professionals, …


High Fructose Corn Syrup Induces Metabolic Dysregulation And Altered Dopamine Signaling In The Absence Of Obesity, Allison M. Meyers, Devry Mourra, Jeff A. Beeler Dec 2017

High Fructose Corn Syrup Induces Metabolic Dysregulation And Altered Dopamine Signaling In The Absence Of Obesity, Allison M. Meyers, Devry Mourra, Jeff A. Beeler

Publications and Research

The contribution of high fructose corn syrup (HFCS) to metabolic disorder and obesity, independent of high fat, energy-rich diets, is controversial. While high-fat diets are widely accepted as a rodent model of diet-induced obesity (DIO) and metabolic disorder, the value of HFCS alone as a rodent model of DIO is unclear. Impaired dopamine function is associated with obesity and high fat diet, but the effect of HFCS on the dopamine system has not been investigated. The objective of this study was to test the effect of HFCS on weight gain, glucose regulation, and evoked dopamine release using fast-scan cyclic voltammetry. …


Including Pork In The Mediterranean Diet For An Australian Population: Protocol For Arandomised Controlled Trial Assessing Cardiovascular Risk And Cognitive Function, Alexandra T. Wade, Courtney R. Davis, Kathryn A. Dyer, Jonathan M. Hodgson, Richard Woodman, Hannah A. Keage, Karen J. Murphy Dec 2017

Including Pork In The Mediterranean Diet For An Australian Population: Protocol For Arandomised Controlled Trial Assessing Cardiovascular Risk And Cognitive Function, Alexandra T. Wade, Courtney R. Davis, Kathryn A. Dyer, Jonathan M. Hodgson, Richard Woodman, Hannah A. Keage, Karen J. Murphy

Research outputs 2014 to 2021

Background

The Mediterranean diet is characterised by the high consumption of extra virgin olive oil, fruits, vegetables, grains, legumes and nuts; moderate consumption of fish, poultry, eggs and dairy; and low consumption of red meat and sweets. Cross sectional, longitudinal and intervention studies indicate that a Mediterranean diet may be effective for the prevention of cardiovascular disease and dementia. However, previous research suggests that an Australian population may find red meat restrictions difficult, which could affect long term sustainability of the diet.

Methods

This paper outlines the protocol for a randomised controlled trial that will assess the cardiovascular and cognitive …


Prevalence And Incidence Of Health Risk Factors Among Adolescent Girls, Kylah Pollard, Mohammed Chowdhury, Sarai Bauguess Dec 2017

Prevalence And Incidence Of Health Risk Factors Among Adolescent Girls, Kylah Pollard, Mohammed Chowdhury, Sarai Bauguess

The Kennesaw Journal of Undergraduate Research

Heart Disease has many different risk factors, including hypertension (high blood pressure) and high cholesterol. Research has shown that hypertension can be identified as early as adolescence, and preventative measures can be instilled in this age. However, the relationship between hypertension, high cholesterol, race, and income have not been studied in detail among adolescents. The present study analyzed the effects of different health factors on blood pressure and cholesterol levels in Caucasian and African-American girls ages 9-21 years old, the prime of adolescence. The dataset was part of a larger study completed by the National Heart, Blood, and Lung Institute …


Inhibition Of Growth And Ammonia Production Of Ruminal Hyper Ammonia-Producing Bacteria By Chinook Or Galena Hops After Long-Term Storage, Michael D. Flythe, Brittany E. Harlow, Glen E. Aiken, Gloria L. Gellin, Isabelle A. Kagan, Jesse Pappas Dec 2017

Inhibition Of Growth And Ammonia Production Of Ruminal Hyper Ammonia-Producing Bacteria By Chinook Or Galena Hops After Long-Term Storage, Michael D. Flythe, Brittany E. Harlow, Glen E. Aiken, Gloria L. Gellin, Isabelle A. Kagan, Jesse Pappas

Animal and Food Sciences Faculty Publications

Surplus hops (Humulus lupulus L.) that are not needed by the brewing industry could be used as a feed supplement for cattle and other ruminants. Previous research indicates that antimicrobial hops plant secondary metabolites (i.e., α- and β-acids) inhibit methane and ammonia production and promote the growth of ruminant animals. The goal was to determine that hop pellets produced for brewing still possessed the requisite antimicrobial activity after 5-year storage. HPLC (high performance liquid chromatography) analysis indicated that the α- and β-acid concentrations in two varieties of hops were relatively stable after 5 years of storage under N2 …


Metabolic Reprogramming Of Pancreatic Ductal Adenocarcinoma Cells In Response To Chronic Low Ph Stress, Jaime Abrego Dec 2017

Metabolic Reprogramming Of Pancreatic Ductal Adenocarcinoma Cells In Response To Chronic Low Ph Stress, Jaime Abrego

Theses & Dissertations

Pancreatic ductal adenocarcinoma (PDAC) is among the most lethal of all cancers with a 5-year survival rate of only 8.2%. This is because PDAC is diagnosed in its advanced stages and is characterized by radio and chemotherapy resistance. Aggressiveness of PDAC tumors is attributed to its high metabolic phenotype, which is characterized by increased glycolysis rate and lactate secretion, while oxidative metabolism is reduced. These metabolic features are required to fulfill the biosynthetic demands of proliferating PDAC cells. However, this increase in metabolic activity results in acidification of the extracellular space because the dense fibrotic stroma of PDAC tumors limits …


Effect Of Sonication On The Viscosity Of Reconstituted Skim Milk Powder And Milk Protein Concentrate As Influenced By Solids Concentration, Temperature And Sonication, Vidita K. Desphande, M. K. Walsh Dec 2017

Effect Of Sonication On The Viscosity Of Reconstituted Skim Milk Powder And Milk Protein Concentrate As Influenced By Solids Concentration, Temperature And Sonication, Vidita K. Desphande, M. K. Walsh

Nutrition, Dietetics, and Food Sciences Faculty Publications

Skim milk powder (SMP) and milk protein concentrates (MPCs) are manufactured by evaporation followed by spray drying and are widely used as functional and nutritional ingredients. This study investigated the effects of temperature (40–60 °C) and total solids content (TS) on the viscosity of reconstituted MPC (rMPC) (≥30% TS) and SMP (rSMP) (≥46% TS) in laboratory conditions. Additionally, the influence of sonication in batch (70% amplitude) and flow through systems (90% amplitude) was studied in a laboratory setting. The viscosity increased for all treatments with an increase in TS and decreased with an increase in temperature. Overall, sonication in both …


Influence Of Dietary Salt Knowledge, Perceptions, And Beliefs On Consumption Choices After Stroke In Uganda, Martin N. Kaddumukasa, Elly Katabira, Martha Sajatovic, Svetlana Pundik, Mark Kaddumukasa, Larry B. Goldstein Dec 2017

Influence Of Dietary Salt Knowledge, Perceptions, And Beliefs On Consumption Choices After Stroke In Uganda, Martin N. Kaddumukasa, Elly Katabira, Martha Sajatovic, Svetlana Pundik, Mark Kaddumukasa, Larry B. Goldstein

Neurology Faculty Publications

Background

Previous research on Uganda's poststroke population revealed that their level of dietary salt knowledge did not lead to healthier consumption choices.

Purpose

Identify barriers and motivators for healthy dietary behaviors and evaluate the understanding of widely accepted salt regulation mechanisms among poststroke patients in Uganda.

Methods

Convergent parallel mixed methods triangulation design comprised a cross-sectional survey (n = 81) and 8 focus group discussions with 7-10 poststroke participants in each group. We assessed participant characteristics and obtained insights into their salt consumption attitudes, perceptions, and knowledge. Qualitative responses were analyzed using an inductive approach with thematic analytic procedures. Relationships …


Effect Of Endophyte-Infected Tall Fescue Toxins On Growth Performance And The Microbial Community In The Rumen And Feces In Pregnant Ewes, Saleh Alrashedi Dec 2017

Effect Of Endophyte-Infected Tall Fescue Toxins On Growth Performance And The Microbial Community In The Rumen And Feces In Pregnant Ewes, Saleh Alrashedi

Graduate Theses and Dissertations

Fifty pregnant Katahdin ewes grazed pastures with high (HE) and moderate (MI) levels of Neotyphodium coenophialum-infected tall fescue between February 1 and May 24 to determine the impacts of tall fescue toxins on body weight (BW), body condition scores, FAMACHA scores, fecal egg counts (FEC), and serum Cu, Zn, prolactin, and non-esterified fatty acids (NEFA). Within those 50 ewes, 15 were selected randomly for fecal and rumen sampling to assess the impacts of HE and MI on the microbiome community. Total bacterial DNA was extracted from rumen and fecal samples, and alpha and beta diversities were used to relate microbiome …