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Articles 1 - 24 of 24
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Lipoproteins And Health Outcomes: Cognitive And Physical Function In Older Adults, Marianne Chanti-Ketterl
Lipoproteins And Health Outcomes: Cognitive And Physical Function In Older Adults, Marianne Chanti-Ketterl
USF Tampa Graduate Theses and Dissertations
Cardiovascular health is a major determinant of quality of life and mortality, especially in older adulthood. With the world’s oldest population increasing at expedited rates, challenges from cardiovascular conditions and its implications are spawning. Although it is well known that dyslipidemia may lead to cardiac events, less is known about the effects on cognitive and physical function in older adults. Epidemiological studies show that optimizing current preventive strategies even at older ages may reduce the incidence of cardiovascular comorbidity (e.g. hypertension, stroke) and increase quality of life. Determining the association between lipoproteins and cognitive and functional performance in older adults …
Effectiveness Of A Single Individual Diabetes Education Session Versus Completion Of A Program Of Group Classes On Hemoglobin A1c (Hba1c) And Lipids In Type 2 Diabetes Mellitus, Devon Marie Hoster
Effectiveness Of A Single Individual Diabetes Education Session Versus Completion Of A Program Of Group Classes On Hemoglobin A1c (Hba1c) And Lipids In Type 2 Diabetes Mellitus, Devon Marie Hoster
Master's Theses and Doctoral Dissertations
Background: Diabetes self-management education/training (DSME/DSMT) is a tool for managing diabetes mellitus; however, a research gap exists regarding the clinical effectiveness of completing versus failing to complete a DSME/DSMT program.
Objective: This study determined the difference in effectiveness between a single initial individual DSMT session and completion of the full DSMT program via group classes by people with type 2 diabetes.
Methods: A retrospective study compared HbA1c and lipid values between the “individual education” and “group education” groups from pre- to post-program from the Presence St. Joseph Medical Center’s DSMT program.
Results: Statistically significant differences were not found between …
The Effect Of Vitamin D Supplementation On Cardiovascular Risk Factors Among Minorities With Type 2 Diabetes, Joel Exebio
The Effect Of Vitamin D Supplementation On Cardiovascular Risk Factors Among Minorities With Type 2 Diabetes, Joel Exebio
FIU Electronic Theses and Dissertations
The aim of the present study was to determine the effect of vitamin D supplementation (4000 IU or 6000 IU of cholecalciferol daily for 6 months) on fasting plasma glucose, fasting insulin, glycated hemoglobin, and lipid profile in a sample of African-Americans and Hispanics with T2D and vitamin D insufficiency. Seventy five participants were recruited by community outreach. Plasma glucose concentration was measured by hexokinase enzymatic method. Glycated hemoglobin was measured by the DCA2000+ system. Insulin in fasting blood was determined by radioimmunoassay. Plasma total cholesterol, triglycerides, low-density lipoprotein, and high-density lipoprotein cholesterol were assayed by enzymatic methods. Serum vitamin …
Differential Effects Of Munc18s On Multiple Degranulation-Relevant Trans-Snare Complexes, Hao Xu, Matthew Grant Arnold, Sushmitha Vijay Kumar
Differential Effects Of Munc18s On Multiple Degranulation-Relevant Trans-Snare Complexes, Hao Xu, Matthew Grant Arnold, Sushmitha Vijay Kumar
Faculty Publications
Mast cell exocytosis, which includes compound degranulation and vesicle-associated piecemeal degranulation, requires multiple Q- and R- SNAREs. It is not clear how these SNAREs pair to form functional trans-SNARE complexes and how these trans-SNARE complexes are selectively regulated for fusion. Here we undertake a comprehensive examination of the capacity of two Q-SNARE subcomplexes (syntaxin3/SNAP-23 and syntaxin4/SNAP-23) to form fusogenic trans-SNARE complexes with each of the four granule-borne R-SNAREs (VAMP2, 3, 7, 8). We report the identification of at least six distinct trans-SNARE complexes under enhanced tethering conditions: i) VAMP2/syntaxin3/SNAP-23, ii) VAMP2/syntaxin4/SNAP-23, iii) VAMP3/syntaxin3/SNAP-23, iv) VAMP3/syntaxin4/SNAP-23, v) VAMP8/syntaxin3/SNAP-23, and vi) VAMP8/syntaxin4/SNAP-23. …
Fatty Acid Recovery And Identification In Mars Analogue Soil Samples, Kimberly E. Lykens
Fatty Acid Recovery And Identification In Mars Analogue Soil Samples, Kimberly E. Lykens
STAR Program Research Presentations
A primary goal of NASA’s Mars 2020 mission is to gather and store samples of Mars soil that could possibly be returned to Earth in a future mission for investigations into past or present life. In years leading up to a potential sample return mission on Mars and potentially other worlds, samples taken from Chile’s Atacama Desert, the most arid, biologically limited desert in the world, are valuable in developing a capacity for biosignature detection, specifically when exploring fatty acid abundance. Eighteen samples were collected from two sites in the Atacama characterized by biological soil crusts (BSC). BSCs are areas …
Ultrasound Biomicroscopic Imaging For Interleukin-1 Receptor Antagonist-Inhibiting Atherosclerosis And Markers Of Inflammation In Atherosclerotic Development In Apolipoprotein-E Knockout Mice, Rong-Juan Li, Yan Sun, Qin Wang, Jiao Yang, Ya Yang, Li Song, Zheng Wang, Xiang-Hong Luo, Rui-Juan Su
Ultrasound Biomicroscopic Imaging For Interleukin-1 Receptor Antagonist-Inhibiting Atherosclerosis And Markers Of Inflammation In Atherosclerotic Development In Apolipoprotein-E Knockout Mice, Rong-Juan Li, Yan Sun, Qin Wang, Jiao Yang, Ya Yang, Li Song, Zheng Wang, Xiang-Hong Luo, Rui-Juan Su
The Texas Heart Institute Journal
We sought to validate the hypothesis that the development of atherosclerosis can be suppressed by the interleukin-1 receptor antagonist (IL-1Ra) in murine models of atherosclerosis in vivo, noninvasively seen by means of high-resolution ultrasound biomicroscopy, and we studied changes in inflammatory markers such as IL-1 and C-reactive protein (CRP) plasma levels in these models of atherosclerosis.
We divided IL-1Ra+/−/apolipoprotein-E (apoE)−/− and IL-1Ra+/+/apoE−/− mice into 2 age groups, used as atherosclerotic models. The control groups were age-matched IL-1Ra+/+/apoE+/+ mice. Plaque thickness was measured in the ascending aorta in short-axis images by means of ultrasound and histology. Plasma levels of IL-1 and …
Heterotrophy And Lipids As Indicators Of Resilience To Climate Change Stress In Scleractinian Corals, Erica K. Towle
Heterotrophy And Lipids As Indicators Of Resilience To Climate Change Stress In Scleractinian Corals, Erica K. Towle
Open Access Dissertations
Coral reefs are biodiverse ecosystems with high biological, cultural, economic, and recreational value that are facing multiple anthropogenic stressors, the greatest of which is global climate change via warming and ocean acidification (OA). Increased warming throughout the century may reach a point where frequent bleaching, the expulsion of corals’ symbiotic algae that can provide the coral with over 90% of its daily metabolic requirements, may cause widespread mortality. OA, a result of increased carbon dioxide dissolving into seawater, changes the chemistry of seawater such that the pH of the ocean becomes more acidic. This decrease in pH is accompanied by …
Effect Of High Intensity Ultrasound On Crystallization Behavior And Functional Properties Of Lipids, Yubin Ye
Effect Of High Intensity Ultrasound On Crystallization Behavior And Functional Properties Of Lipids, Yubin Ye
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The elimination of trans-fatty acids from food formulations has resulted in the search of new lipids and novel processing conditions that can provide optimum functional properties in fats while providing good nutritional properties. High intensity ultrasound (HIU) has been extensively studied on sonocrystallization of lipids since early 2000. Sonocrystallization refers to the induction of crystallization by HIU without generating any chemical changes. This dissertation aims to provide information on the effects of HIU on crystallization behavior and physical properties of different shortenings based on previous sonocrystallization research. Results in this dissertation showed that HIU successfully induced the crystallization of …
Sex-Specific Parental Effects On Offspring Lipid Levels, Irene M. Predazzi, Rafal S. Sobota, Serena Sanna, William S. Bush, Jacquelaine Bartlett, Jessica S. Lilley, Macrae F. Linton, David Schlessinger, Francesco Cucca, Sergio Fazio, Scott M. Williams
Sex-Specific Parental Effects On Offspring Lipid Levels, Irene M. Predazzi, Rafal S. Sobota, Serena Sanna, William S. Bush, Jacquelaine Bartlett, Jessica S. Lilley, Macrae F. Linton, David Schlessinger, Francesco Cucca, Sergio Fazio, Scott M. Williams
Dartmouth Scholarship
Background:
Plasma lipid levels are highly heritable traits, but known genetic loci can only explain a small portion of their heritability.
Methods and Results:
In this study, we analyzed the role of parental levels of total cholesterol (TC), low‐density lipoprotein cholesterol (LDL‐C), high‐density lipoprotein cholesterol (HDL‐C), and triglycerides (TGs) in explaining the values of the corresponding traits in adult offspring. We also evaluated the contribution of nongenetic factors that influence lipid traits (age, body mass index, smoking, medications, and menopause) alone and in combination with variability at the genetic loci known to associate with TC, LDL‐C, HDL‐C, and TG levels. …
Sec17 Can Trigger Fusion Of Trans-Snare Paired Membranes Without Sec18, Michael Zick, Amy Orr, Matthew L. Schwartz, Alexey J. Merz, William Wickner
Sec17 Can Trigger Fusion Of Trans-Snare Paired Membranes Without Sec18, Michael Zick, Amy Orr, Matthew L. Schwartz, Alexey J. Merz, William Wickner
Dartmouth Scholarship
Sec17 [soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein; α-SNAP] and Sec18 (NSF) perform ATP-dependent disassembly of cis-SNARE complexes, liberating SNAREs for subsequent assembly of trans-complexes for fusion. A mutant of Sec17, with limited ability to stimulate Sec18, still strongly enhanced fusion when ample Sec18 was supplied, suggesting that Sec17 has additional functions. We used fusion reactions where the four SNAREs were initially separate, thus requiring no disassembly by Sec18. With proteoliposomes bearing asymmetrically disposed SNAREs, tethering and trans-SNARE pairing allowed slow fusion. Addition of Sec17 did not affect the levels of trans-SNARE complex but triggered sudden fusion of trans-SNARE paired proteoliposomes. …
Signal Regulators Of Systemic Acquired Resistance, Qing-Ming Gao, Shifeng Zhu, Pradeep Kachroo, Aardra Kachroo
Signal Regulators Of Systemic Acquired Resistance, Qing-Ming Gao, Shifeng Zhu, Pradeep Kachroo, Aardra Kachroo
Plant Pathology Faculty Publications
Salicylic acid (SA) is an important phytohormone that plays a vital role in a number of physiological responses, including plant defense. The last two decades have witnessed a number of breakthroughs related to biosynthesis, transport, perception and signaling mediated by SA. These findings demonstrate that SA plays a crictical role in both local and systemic defense responses. Systemic acquired resistance (SAR) is one such SA-dependent response. SAR is a long distance signaling mechanism that provides broad spectrum and long-lasting resistance to secondary infections throughout the plant. This unique feature makes SAR a highly desirable trait in crop production. This review …
Isotopic Incorporation Rates And Discrimination Factors In Mantis Shrimp Crustaceans., Maya Devries, Carlos Del Rio, Tate Tunstall, Todd Dawson
Isotopic Incorporation Rates And Discrimination Factors In Mantis Shrimp Crustaceans., Maya Devries, Carlos Del Rio, Tate Tunstall, Todd Dawson
Faculty Publications, Biological Sciences
Stable isotope analysis has provided insights into the trophic ecology of a wide diversity of animals. Knowledge about isotopic incorporation rates and isotopic discrimination between the consumer and its diet for different tissue types is essential for interpreting stable isotope data, but these parameters remain understudied in many animal taxa and particularly in aquatic invertebrates. We performed a 292-day diet shift experiment on 92 individuals of the predatory mantis shrimp, Neogonodactylus bredini, to quantify carbon and nitrogen incorporation rates and isotope discrimination factors in muscle and hemolymph tissues. Average isotopic discrimination factors between mantis shrimp muscle and the new diet …
Kalkitoxin Inhibits Angiogenesis, Disrupts Cellular Hypoxic Signaling, And Blocks Mitochondrial Electron Transport In Tumor Cells, J B. Morgan, Yang Liu, Veena Coothankandaswamy, Fakhri Mahdi, Mika B. Jekabsons, William H. Gerwick, Frederick A. Valeriote, Yu-Dong Zhou, Dale G. Nagle
Kalkitoxin Inhibits Angiogenesis, Disrupts Cellular Hypoxic Signaling, And Blocks Mitochondrial Electron Transport In Tumor Cells, J B. Morgan, Yang Liu, Veena Coothankandaswamy, Fakhri Mahdi, Mika B. Jekabsons, William H. Gerwick, Frederick A. Valeriote, Yu-Dong Zhou, Dale G. Nagle
Hematology/Oncology Articles
The biologically active lipopeptide kalkitoxin was previously isolated from the marine cyanobacterium Moorea producens (Lyngbya majuscula). Kalkitoxin exhibited N-methyl-D-aspartate (NMDA)-mediated neurotoxicity and acted as an inhibitory ligand for voltage-sensitive sodium channels in cultured rat cerebellar granule neurons. Subsequent studies revealed that kalkitoxin generated a delayed form of colon tumor cell cytotoxicity in 7-day clonogenic cell survival assays. Cell line- and exposure time-dependent cytostatic/cytotoxic effects were previously observed with mitochondria-targeted inhibitors of hypoxia-inducible factor-1 (HIF-1). The transcription factor HIF-1 functions as a key regulator of oxygen homeostasis. Therefore, we investigated the ability of kalkitoxin to inhibit hypoxic signaling in human tumor …
Direct Evidence Of Phospholipids In Gecko Footprints And Spatula– Substrate Contact Interface Detected Using Surface-Sensitive Spectroscopy, Ping Hsu, Liehui Ge, Xiaopeng Li, Alyssa Stark, Chrys Wesdemiotis, Peter Niewiarowski, Ali Dhinojwala
Direct Evidence Of Phospholipids In Gecko Footprints And Spatula– Substrate Contact Interface Detected Using Surface-Sensitive Spectroscopy, Ping Hsu, Liehui Ge, Xiaopeng Li, Alyssa Stark, Chrys Wesdemiotis, Peter Niewiarowski, Ali Dhinojwala
Dr. Peter H. Niewiarowski
Observers ranging from Aristotle to young children have long marvelled at the ability of geckos to cling to walls and ceilings. Detailed studies have revealed that geckos are ‘sticky’ without the use of glue or suction devices. Instead, a gecko’s stickiness derives from van derWaals interactions between proteinaceous hairs called setae and substrate. Here, we present surprising evidence that although geckos do not use glue, a residue is transferred on surfaces as they walk—geckos leave footprints. Using matrix-free nano-assisted laser desorption-ionization mass spectrometry, we identified the residue as phospholipids with phosphocholine head groups.Moreover, interface-sensitive sum-frequency generation spectroscopy revealed predominantly hydrophobic …
Investigations Of Peroxidation Of Membrane Phospholipids, Colin H. Cortie
Investigations Of Peroxidation Of Membrane Phospholipids, Colin H. Cortie
University of Wollongong Thesis Collection 1954-2016
The deterioration of lipids by oxygen, termed peroxidation, is a constitutive process in living systems. Enzymatic peroxidation is required for some forms of cell signalling, but the non-enzymatic peroxidation of polyunsaturated fatty acids (PUFA) produces numerous toxic and mutagenic products associated with pathology and aging. Phospholipids containing PUFA are common in mammalian membranes, but an inverse relationship has been found between membrane susceptibility to peroxidation and maximal lifespan (MLS). Past studies of peroxidation have focused on the PUFA content of phospholipids, but other elements of phospholipid composition including class and saturated fatty acid (SFA) or monounsaturated fatty acid (MUFA) content …
Lipid & Surfactant Based Systems For Improved Delivery Of Poorly Soluble Apis, Sri Satyasai Nagendra Babu Punyamurthula
Lipid & Surfactant Based Systems For Improved Delivery Of Poorly Soluble Apis, Sri Satyasai Nagendra Babu Punyamurthula
Electronic Theses and Dissertations
A large number of pharmaceutical compounds belong to class II and IV of biopharmaceutical classification of drug (BCS). Class II compounds are limited by their poor aqueous solubility, while class IV compounds suffer from poor solubility and permeability. This translates to poor absorption and low plasma levels post oral administration. Lipids comprise of fatty acids and their derivatives and are considered a biocompatible option for drug delivery. In the studies discussed in following chapters, lipid based drug delivery systems (LBDDS) have been utilized in improving the handling, ease of formulation, solubility and bioavailability of three compounds. In the first study, …
Expression And Functional Analysis Of Lipids And Glycolipids From The Mammal-Dwelling Stages Of Trypanosoma Cruzi, Felipe Gazos Lopes
Expression And Functional Analysis Of Lipids And Glycolipids From The Mammal-Dwelling Stages Of Trypanosoma Cruzi, Felipe Gazos Lopes
Open Access Theses & Dissertations
Trypanosoma cruzi is the causative agent of the life-threatening Chagas disease, in which increased platelet aggregation related to myocarditis is observed. Platelet-activating factor (PAF) is a potent intercellular lipid mediator and second messenger that exerts its activity through a PAF-specific receptor (PAFR). Previous data from our group suggested that T. cruzi synthesizes a phospholipid with PAF-like activity. The structure of T. cruzi PAF-like molecule, however, remains elusive. Here, we have purified and structurally characterized the putative T. cruzi PAF-like molecule by electrospray ionization-tandem mass spectrometry (ESI-MS/MS). Our ESI-MS/MS data demonstrated that the T. cruzi PAF-like molecule is actually a lysophosphatidylcholine …
Novel Phosphotidylinositol 4,5-Bisphosphate Binding Sites On Focal Adhesion Kinase, Jun Feng, Blake Mertz
Novel Phosphotidylinositol 4,5-Bisphosphate Binding Sites On Focal Adhesion Kinase, Jun Feng, Blake Mertz
Faculty & Staff Scholarship
Focal adhesion kinase (FAK) is a protein tyrosine kinase that is ubiquitously expressed, recruited to focal adhesions, and engages in a variety of cellular signaling pathways. Diverse cellular responses, such as cell migration, proliferation, and survival, are regulated by FAK. Prior to activation, FAK adopts an autoinhibited conformation in which the FERM domain binds the kinase domain, blocking access to the activation loop and substrate binding site. Activation of FAK occurs through conformational change, and acidic phospholipids such as phosphatidylinositol 4,5-bisphosphate (PIP2) are known to facilitate this process. PIP2 binding alters the autoinhibited conformation of the FERM and kinase domains …
Investigating Changes In Human Brain Phospholipids During Normal Ageing, Sarah E. Hancock
Investigating Changes In Human Brain Phospholipids During Normal Ageing, Sarah E. Hancock
University of Wollongong Thesis Collection 1954-2016
The world’s population is rapidly ageing, and with that has come a corresponding increase in the number of people suffering age-related diseases. Dementia is a group of age-related neurocognitive disorders, with the most common of these being Alzheimer’s disease (AD). The number one risk factor for developing AD is advanced age, with the incidence rising from 1 in 10,000 at age 60 to 1 in 3 by age 85. AD is characterised by the deposition of extracellular amyloid-β aggregates (Aβ) and intracellular neurofibrillary tangles (NFTs) formed by hyperphosphorylated tau. Both Aβ and NFTs spread throughout the brain by separate but …
Feasibility Of Using Biofuel By-Products As A Sustainable Nutritional Resource For Aquaculture Production Of Litopenaeus Vannamei, Erik David Demicco
Feasibility Of Using Biofuel By-Products As A Sustainable Nutritional Resource For Aquaculture Production Of Litopenaeus Vannamei, Erik David Demicco
HCNSO Student Theses and Dissertations
Many different algal species can provide an acceptable protein ingredient, with good digestibility, for shrimp feeds. Compared to fish meal, similar protein, carbohydrate, and lipid levels can be found in select algal species. Traditional shrimp diets in aquaculture rely on fish meal and fish oil from pelagic fish fisheries. A reduction or elimination of these ingredients would reduce the dependency of shrimp aquaculture on offshore fisheries and increase economic competiveness. Biofuel production produces algal by-products of potential use to aquaculturists that might reduce or eliminate the need for fisheries products in shrimp feed. Established uses for by-products from biofuel production …
Maternal Effects On Egg Quality In Hatchery, Wild, And Farmed Chinook Salmon (Oncorhynchus Tshawytscha), Michaela Whitney Haring
Maternal Effects On Egg Quality In Hatchery, Wild, And Farmed Chinook Salmon (Oncorhynchus Tshawytscha), Michaela Whitney Haring
Electronic Theses and Dissertations
Maternal effects have received considerable attention within the literature, however our knowledge on environmental and genetic maternal effects on egg quality in fish still remains limited. I examined both environmental and genetic maternal effects on egg quality traits in hatchery, wild and farmed Chinook salmon (Oncorhynchus tshawytscha). I found that environmental differences during early life altered certain aspects of the reproductive biology in hatchery- and wild- salmon, namely gonad and egg development, while other important components of egg quality, fatty acid profile, were not affected. By using quantitative genetic models and breeding designs, I determined that egg size was strongly …
Analysis Of Differential Secondary Effects Of Novel Rexinoids: Select Rexinoid X Receptor Ligands Demonstrate Differentiated Side Effect Profiles, Pamela A. Marshall, Peter W. Jurutka, Carl E. Wagner, Arjan Van Der Vaart, Ichiro Kaneko, Pedro I. Chavez, Ning Ma, Jaskaran S. Bhogal, Pritika Shahani, Johnathon C. Swierski, Mairi Macneill
Analysis Of Differential Secondary Effects Of Novel Rexinoids: Select Rexinoid X Receptor Ligands Demonstrate Differentiated Side Effect Profiles, Pamela A. Marshall, Peter W. Jurutka, Carl E. Wagner, Arjan Van Der Vaart, Ichiro Kaneko, Pedro I. Chavez, Ning Ma, Jaskaran S. Bhogal, Pritika Shahani, Johnathon C. Swierski, Mairi Macneill
Chemistry Faculty Publications
In order to determine the feasibility of utilizing novel rexinoids for chemotherapeutics and as potential treatments for neurological conditions, we undertook an assessment of the side effect profile of select rexinoid X receptor (RXR) analogs that we reported previously. We assessed pharmacokinetic profiles, lipid and thyroid-stimulating hormone (TSH) levels in rats, and cell culture activity of rexinoids in sterol regulatory element-binding protein (SREBP) induction and thyroid hormone inhibition assays. We also performed RNA sequencing of the brain tissues of rats that had been dosed with the compounds. We show here for the first time that potent rexinoid activity can be …
Analysis Of Apolipoprotein A-Iv Expression And The Levels Of Blood Plasmamain Lipid Fractions Of Calves During The First Week Of Life Before And After Theadministration Of Milk Replacer Supplemented With Lactose, Katarzyna Michalek, Alicja Dratwa-Chalupnik, Magdalena Jaszczuk
Analysis Of Apolipoprotein A-Iv Expression And The Levels Of Blood Plasmamain Lipid Fractions Of Calves During The First Week Of Life Before And After Theadministration Of Milk Replacer Supplemented With Lactose, Katarzyna Michalek, Alicja Dratwa-Chalupnik, Magdalena Jaszczuk
Turkish Journal of Veterinary & Animal Sciences
The current study presents an analysis of main lipid fractions and expression of apolipoprotein A-IV (apoA-IV) of the blood plasma of calves during the first week of life, before and after administration of a milk replacer with additional quantity of lactose. The experiment was performed on 7 male Polish-Friesian calves, var. Black-and-White. Blood samples were collected before the morning feeding from the 6th to 8th day of life. In the evening on the 6th day of the experiment and in the morning on the 7th day of the experiment, monohydrate lactose in an amount of 2 g per 1 kg …
Physical, Chemical And Functional Properties Of Tiger Nuts (Cyperus Esculentus) Selected From Ghana, Cameroon And Uk Market (Spain), Thomas Adjei-Duodu
Physical, Chemical And Functional Properties Of Tiger Nuts (Cyperus Esculentus) Selected From Ghana, Cameroon And Uk Market (Spain), Thomas Adjei-Duodu
Other Faculty of Science and Engineering Theses
Physical, chemical and functional properties of tiger nuts selected from Ghana, Cameroon and UK (market (Spain) Abstract The tiger nut (Cyperus esculentus) has attracted a lot of unsubstantiated health claims, yet there is a dearth of research investigation within Ghana specifically in the area of food product development. This study addresses the development of ‘functional bread and biscuit’ from tiger nuts obtained from UK market (Spain). The chemical constituents; carbohydrate, lipid, protein, dietary minerals and antioxidants, the functional properties of three varieties of tiger nuts obtained from Ghana (black and brown), Cameroon (yellow) and UK market (Spain) (brown) were investigated …