Gabriel Keith Harris

Works (19)

Updated: March 5th, 2026 15:21

2026 article

Impact of maturity stage and prolongation of post-harvest processing and mucilage fermentation time on mycotoxin levels in coffee

Osorio, V., Montoya, E. C., Rayo-Mendez, L. M., & Harris, G. K. (2026, February 2). Frontiers in Plant Science.

By: V. Osorio*, E. Montoya*, L. Rayo-Mendez n & G. Harris n

topics (OpenAlex): Coffee research and impacts; Mycotoxins in Agriculture and Food; Cocoa and Sweet Potato Agronomy
Source: NC State University Libraries
Added: February 5, 2026

2025 article

Coffee Roast Level and Anaerobic Exercise

Momplaisir, E., Potter, J., Ramirez, M., Shedlock, C., Allen, J., Harris, G. K., … Vallabhajosula, S. (2025, May 1). Current Developments in Nutrition, Vol. 5.

By: E. Momplaisir n, J. Potter*, M. Ramirez*, C. Shedlock*, J. Allen n, G. Harris n, F. Santos n , S. Bailey*, S. Vallabhajosula *

topics (OpenAlex): Muscle metabolism and nutrition; Coffee research and impacts
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: March 4, 2026

2025 article

Coffee Roast Level, Timing, and Carbohydrate Source Affect Peak Blood Glucose and Area Under the Curve Values in a Randomized Pilot Clinical Trial

Rayo-Mendez, L. M., Kinzer, C., McMahon, J., Nguyen, M., & Harris, G. K. (2025, January 1). Journal of Nutrition and Metabolism.

By: L. Rayo-Mendez  n, C. Kinzer n, J. McMahon n, M. Nguyen n & G. Harris n

topics (OpenAlex): Coffee research and impacts; Diet and metabolism studies; Muscle metabolism and nutrition
Source: NC State University Libraries
Added: November 22, 2025

2025 article

Impact Of Caffeine Supplementation On Aerobic Performance And Muscle Strength

Bailey, S., Momplaisir, E., Cooper, S., Oliver, C., Whitaker, M., & Harris, G. K. (2025, September 16). Medicine & Science in Sports & Exercise.

By: S. Bailey *, E. Momplaisir n, S. Cooper *, C. Oliver *, M. Whitaker* & G. Harris*

topics (OpenAlex): Muscle metabolism and nutrition; Coffee research and impacts
Source: Web Of Science
Added: September 29, 2025

2025 article

Impact Of Caffeine Supplementation On Anaerobic Exercise Performance

Dudley, M. K., Zettel, A., Walklet, C., Momplaisir, E., Harris, G. K., & Bailey, S. (2025, September 16). Medicine & Science in Sports & Exercise.

By: M. Dudley *, A. Zettel*, C. Walklet*, E. Momplaisir n, G. Harris n & S. Bailey*

topics (OpenAlex): Muscle metabolism and nutrition; Coffee research and impacts; Cardiovascular and exercise physiology
Source: Web Of Science
Added: September 29, 2025

2021 article

Carbohydrate mouth rinsing does not affect 6-min walk test performance and blood glucose responses in older adults

Evans, E. S., Brophy, T., Braswell, M. R., Boyle, J., Harris, G. K., Watkins, R. H., & Bailey, S. P. (2021, June 26). European Journal of Applied Physiology.

By: E. Evans *, T. Brophy*, M. Braswell*, J. Boyle*, G. Harris n, R. Watkins n, S. Bailey*

author keywords: Functional performance; Geriatric population; Carbohydrate mouth rinse; Blood glucose responses
MeSH headings : Aged; Aged, 80 and over; Aging / physiology; Athletic Performance / physiology; Blood Glucose / metabolism; Exercise / physiology; Exercise Test / methods; Female; Humans; Male; Mouthwashes; Oxygen Saturation / physiology; Physical Endurance / physiology; Walk Test / methods
topics (OpenAlex): Diet and metabolism studies; Muscle metabolism and nutrition; Nutrition and Health in Aging
TL;DR: A 6.4% maltodextrin CHO MR did not alter total distance walked, perceived exertion, or other physiological responses elicited by the 6MWT in older adults. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: July 6, 2021

2021 article

Impact of a Carbohydrate Mouth Rinse on Corticomotor Excitability after Mental Fatigue in Healthy College-Aged Subjects

Bailey, S. P., Harris, G. K., Lewis, K., Llewellyn, T. A., Watkins, R., Weaver, M. A., … Folger, S. F. (2021, July 23). Brain Sciences.

By: S. Bailey*, G. Harris n, K. Lewis*, T. Llewellyn *, R. Watkins n, M. Weaver *, B. Roelands *, J. Cutsem *, S. Folger*

author keywords: TMS; mental fatigue; carbohydrate
topics (OpenAlex): Transcranial Magnetic Stimulation Studies; Vestibular and auditory disorders; Motor Control and Adaptation
TL;DR: CHO MR was successful at attenuating the reduction in corticomotor excitability after MF and may be a valuable tool at combating the negative consequences of mental fatigue. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: September 7, 2021

2021 article

Viability of microwave technology for accelerated cold brew coffee processing vs conventional brewing methods

Caudill, M., Osborne, J., Sandeep, K. P., Simunovic, J., & Harris, G. K. (2021, October 28). Journal of Food Engineering, Vol. 317.

By: M. Caudill  n, J. Osborne n, K. Sandeep n , J. Simunovic n  & G. Harris n

author keywords: Coffee; Cold brew; Accelerated processing
topics (OpenAlex): Coffee research and impacts; Microbial Inactivation Methods
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 23, 2021

2019 article

Acid Inhibition on Polyphenol Oxidase and Peroxidase in Processing of Anthocyanin‐Rich Juice and Co‐product Recovery from Purple‐Fleshed Sweetpotatoes

Truong, A. N., Thor, Y., Harris, G. K., Simunovic, J., & Truong, V. D. (2019, June 19). Journal of Food Science, Vol. 84, pp. 1730–1736.

By: A. Truong n, Y. Thor n, G. Harris n, J. Simunovic n  & V. Truong n

author keywords: dietary fiber; Ipomoea batatas; polyphenolics; starch; sweetpotato juice processing
MeSH headings : Acids / chemistry; Anthocyanins / analysis; Anthocyanins / isolation & purification; Catechol Oxidase / analysis; Catechol Oxidase / antagonists & inhibitors; Color; Cooking; Dietary Fiber / analysis; Fruit and Vegetable Juices / analysis; Ipomoea batatas / chemistry; Ipomoea batatas / enzymology; Peroxidase / analysis; Peroxidase / antagonists & inhibitors; Phenols / analysis; Phenols / isolation & purification; Plant Extracts / analysis; Plant Extracts / isolation & purification; Plant Proteins / analysis; Plant Proteins / antagonists & inhibitors; Starch / analysis
topics (OpenAlex): Phytochemicals and Antioxidant Activities; Postharvest Quality and Shelf Life Management; Tea Polyphenols and Effects
TL;DR: It is demonstrated that acidified water was effective in inhibiting polyphenol oxidase and peroxidase in raw PFSP resulting in an attractive reddish juice, demonstrating an efficient process for the sweetpotato industry in producing PFSP pigmented juice and co-products for various food applications. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 9, 2019

2019 article

Impact of a Carbohydrate Mouth Rinse on Corticomotor Excitability after Mental Fatigue.

Llewellyn, T. A., Lewis, K. K., Folger, S. E., Harris, G. K., & Bailey, S. P. (2019, June 1). Medicine & Science in Sports & Exercise.

By: T. Llewellyn *, K. Lewis*, S. Folger*, G. Harris n & S. Bailey*

topics (OpenAlex): Muscle metabolism and nutrition; Children's Physical and Motor Development; Sports Performance and Training
TL;DR: Previous research from this group has shown a decreased PPT and CPM, indicating greater pain sensitivity, across all ages during an ultra-marathon, but clearly a difference between age groups in the degree of these changes. (via Semantic Scholar)
Source: Web Of Science
Added: September 3, 2019

2019 article

Impact of a Carbohydrate Mouth Rinse on Quadriceps Muscle Function and Corticomotor Excitability

Bailey, S. P., Hibbard, J., Forge, D. L., Mitchell, M., Roelands, B., Harris, G. K., & Folger, S. (2019, January 24). International Journal of Sports Physiology and Performance.

By: S. Bailey, J. Hibbard, D. Forge, M. Mitchell, B. Roelands, G. Harris*, S. Folger

author keywords: isometric; transcranial magnetic stimulation; glucose; maltodextrin; maximal voluntary contraction
MeSH headings : Adult; Carbohydrates / administration & dosage; Evoked Potentials, Motor; Female; Glucose; Humans; Male; Maltose; Mouthwashes / administration & dosage; Muscle Contraction; Muscle Strength; Polysaccharides; Quadriceps Muscle / physiology; Torque; Transcranial Magnetic Stimulation
topics (OpenAlex): Transcranial Magnetic Stimulation Studies; Muscle activation and electromyography studies; Attention Deficit Hyperactivity Disorder
TL;DR: CHO MR increased corticospinal motor excitability and quadriceps muscle performance immediately and 10 min after application; however, the form of CHO used did not influence this response. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: September 3, 2019

2016 article

Cocoa and Whey Protein Differentially Affect Markers of Lipid and Glucose Metabolism and Satiety

Campbell, C. L., Foegeding, E. A., & Harris, G. K. (2016, March 1). Journal of Medicinal Food.

By: C. Campbell n, E. Foegeding n & G. Harris n

author keywords: adiponectin; lipid metabolism; adipocyte; flavanols; blood glucose; leptin
MeSH headings : Adolescent; Adult; Beverages / analysis; Biomarkers / metabolism; Cacao / chemistry; Cacao / metabolism; Glucose / metabolism; Humans; Lipid Metabolism; Polyphenols / metabolism; Satiation; Whey Proteins / metabolism; Young Adult
topics (OpenAlex): Diet and metabolism studies; Muscle metabolism and nutrition; Obesity, Physical Activity, Diet
TL;DR: Trends suggest that combinations of WPI and cocoa polyphenols may improve markers of metabolic syndrome and satiety. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 article

Metabolomic Technologies for Improving the Quality of Food: Practice and Promise

Johanningsmeier, S. D., Harris, G. K., & Klevorn, C. M. (2016, January 16). Annual Review of Food Science and Technology.

By: S. Johanningsmeier n, G. Harris n & C. Klevorn n

author keywords: mass spectrometry; MS; nuclear magnetic resonance; NMR; central metabolism; agricultural practices; processing; storage
MeSH headings : Agriculture / methods; Animals; Bacteria / metabolism; Food Analysis / methods; Food Handling / methods; Food Preservation / methods; Food Quality; Gastrointestinal Microbiome / physiology; Health Promotion; Humans; Magnetic Resonance Spectroscopy; Mass Spectrometry / methods; Metabolomics / methods; Plants, Edible / chemistry
topics (OpenAlex): Metabolomics and Mass Spectrometry Studies; Phytochemicals and Antioxidant Activities; Tea Polyphenols and Effects
TL;DR: An overview of the current terminology, analytical methods, and compounds associated with metabolomic studies are provided, and insight is provided into the application of metabolomics to generate new knowledge that enables us to produce, preserve, and distribute high-quality foods for health promotion. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Mitochondrial DNA Fragmentation as a Molecular Tool to Monitor Thermal Processing of Plant-Derived, Low-Acid Foods, and Biomaterials

Journal of Food Science, 80(8), M1804–M1814.

By: J. Caldwell n, I. Pérez-Díaz*, K. Sandeep n , J. Simunovic n , K. Harris  n, J. Osborne n, H. Hassan n 

author keywords: mitochondrial DNA; quantitative PCR; thermal processing
MeSH headings : Clostridium botulinum / isolation & purification; DNA Damage; DNA Fragmentation; DNA Primers; DNA, Mitochondrial / genetics; DNA, Mitochondrial / isolation & purification; DNA, Plant / genetics; DNA, Plant / isolation & purification; Food Contamination / analysis; Food Handling / methods; Food Microbiology; Fruit; Genes, Plant; Geobacillus stearothermophilus / isolation & purification; Hot Temperature; Ipomoea batatas / microbiology; Linear Models; Plant Proteins / genetics; Reproducibility of Results; Spores, Bacterial / isolation & purification; Vegetables
topics (OpenAlex): Listeria monocytogenes in Food Safety; Identification and Quantification in Food; GABA and Rice Research
TL;DR: Data is presented as proof-of-concept for a molecular tool that can be used as a rapid, presumptive method for monitoring thermal processing in low-acid plant products. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2015 journal article

Mitochondrial DNA Fragmentation to Monitor Processing Parameters in High Acid, Plant-Derived Foods

Journal of Food Science, 80(12), M2892–M2898.

By: J. Caldwell n, I. Pérez-Díaz *, K. Harris  n, H. Hassan n , J. Simunovic n  & K. Sandeep n 

author keywords: high-acid foods; mitochondrial DNA; quantitative PCR; thermal processing
MeSH headings : Acids; Bacteria / growth & development; Cucumis sativus / genetics; DNA Fragmentation; DNA, Mitochondrial; DNA, Plant / analysis; Fermentation; Food Analysis; Food Handling / methods; Food Microbiology; Food Preservation / methods; Fruit; Genes, Mitochondrial; Genes, Plant; Humans; Hydrogen-Ion Concentration; Solanum lycopersicum / genetics; Pasteurization; Plants, Edible / genetics; Temperature; Vegetables
topics (OpenAlex): Identification and Quantification in Food; Meat and Animal Product Quality; Molecular Biology Techniques and Applications
TL;DR: MtDNA fragmentation was shown to be a potential new tool to characterize low temperature (<100 °C) high acid processes (pH < 4.6), nonthermal processes such as vegetable fermentation and holding times of acidified, plant-derived products. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2011 article

Pomegranate as a Functional Food and Nutraceutical Source

Johanningsmeier, S. D., & Harris, G. K. (2011, April 10). Annual Review of Food Science and Technology.

By: S. Johanningsmeier n & G. Harris n

author keywords: antioxidant; ellagitannin; urolithin; cancer; cardiovascular health; diabetes
MeSH headings : Animals; Antioxidants / administration & dosage; Antioxidants / analysis; Beverages / adverse effects; Beverages / analysis; Dietary Supplements / adverse effects; Dietary Supplements / analysis; Flavonoids / administration & dosage; Flavonoids / analysis; Food-Drug Interactions; Fruit / chemistry; Functional Food / adverse effects; Functional Food / analysis; Humans; Lythraceae / chemistry; Phenols / administration & dosage; Phenols / analysis
topics (OpenAlex): Pomegranate: compositions and health benefits; Antioxidant Activity and Oxidative Stress; Phytochemicals and Antioxidant Activities
TL;DR: A more complete characterization of pomegranate components and their physiological fate may provide mechanistic insight into the potential health benefits observed in clinical trials. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2010 article

An Update on the Health Effects of Tomato Lycopene

Story, E. N., Kopec, R. E., Schwartz, S. J., & Harris, G. K. (2010, March 4). Annual Review of Food Science and Technology.

By: E. Story n, R. Kopec *, S. Schwartz* & G. Harris n

author keywords: lycopene; carotenoids; lycopenoids; bioavailability; cancer; cardiovascular disease
MeSH headings : Animals; Anticarcinogenic Agents / administration & dosage; Anticarcinogenic Agents / analysis; Anticarcinogenic Agents / chemistry; Anticarcinogenic Agents / metabolism; Antioxidants / administration & dosage; Antioxidants / analysis; Antioxidants / chemistry; Antioxidants / metabolism; Cardiovascular Diseases / prevention & control; Carotenoids / administration & dosage; Carotenoids / analysis; Carotenoids / chemistry; Carotenoids / metabolism; Food Handling; Fruit / chemistry; Health Promotion; Humans; Lycopene; Solanum lycopersicum / chemistry
topics (OpenAlex): Antioxidant Activity and Oxidative Stress; Retinoids in leukemia and cellular processes; Cholesterol and Lipid Metabolism
TL;DR: Although promising data from epidemiological, as well as cell culture and animal, studies suggest that lycopenes and the consumption of lycopene containing foods may affect cancer or cardiovascular disease risk, more clinical trial data is needed to support this hypothesis. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 article

Analysis of Free‐Radical Scavenging of Yerba Mate ( Ilex paraguriensis ) using Electron Spin Resonance and Radical‐Induced DNA Damage

Leonard, S. S., Hogans, V. J., Coppes‐Petricorena, Z., Peer, C. J., Vining, T. A., Fleming, D. W., & Harris, G. K. (2009, November 13). Journal of Food Science.

By: S. Leonard  n, V. Hogans n, Z. Coppes‐Petricorena n, C. Peer  n, T. Vining n, D. Fleming n, G. Harris n

MeSH headings : DNA Damage; Electron Spin Resonance Spectroscopy; Free Radical Scavengers / analysis; Hydroxyl Radical / analysis; Ilex paraguariensis / chemistry; Ilex paraguariensis / genetics; Lipid Peroxidation; Malondialdehyde / analysis; Plant Leaves / chemistry; South America
topics (OpenAlex): Heavy Metals in Plants; Phytochemicals and Antioxidant Activities; Bee Products Chemical Analysis
TL;DR: It is indicated that Yerba Mate possesses potent antioxidant effects against hydroxyl and superoxide radicals in both chemical and cell culture systems, as well as DNA-protective properties. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Essiac tea: Scavenging of reactive oxygen species and effects on DNA damage

Journal of Ethnopharmacology, 103(2), 288–296.

By: S. Leonard *, D. Keil *, T. Mehlman*, S. Proper *, X. Shi * & G. Harris*

author keywords: essiac tea; reactive oxygen species; lipid peroxidation; ESR; DNA damage
MeSH headings : Animals; Antioxidants / isolation & purification; Antioxidants / pharmacology; Canada; Cells, Cultured; DNA Damage; Herbal Medicine; Lipid Peroxidation / drug effects; Macrophages, Peritoneal / drug effects; Macrophages, Peritoneal / metabolism; Mice; Plant Extracts / isolation & purification; Plant Extracts / pharmacology; Reactive Oxygen Species / metabolism
topics (OpenAlex): Plant-derived Lignans Synthesis and Bioactivity; Phytochemistry and Biological Activities; Genomics, phytochemicals, and oxidative stress
TL;DR: Examination of the effects of Essiac on free radical scavenging and DNA damage in a non-cellular system as well as the effects on lipid peroxidation using the RAW 264.7 cell line indicate that Essiac tea possesses potent antioxidant and DNA-protective activity, properties that are common to natural anti-cancer agents. (via Semantic Scholar)
Source: Crossref
Added: June 6, 2020

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