Publications by authors named "Gretchen Mafi"

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National Beef Quality Audit-2022: Transportation, mobility, and harvest-floor assessments of targeted characteristics that affect quality and value of cattle, carcasses, and by-products from fed steers and heifers.
Trent E Schwartz, Sydni E Borders, Thachary R Mayer, Kerri B Gehring, Davey B Griffin, Gretchen G Mafi

Transl Anim Sci· December 2025

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Protein Structural Modeling Explains Rapid Oxidation in Poultry and Fish Myoglobins Compared to Livestock Myoglobins.
Greeshma Sreejesh, Surendranath P Suman, Gretchen G Mafi, Morgan M Pfeiffer, Ranjith Ramanathan

Proteomes· October 2025

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Impact of varying visual severities of dark-cutting beef on the biochemical color characteristics, retail color, and metabolome of longissimus lumborum steaks.
Keayla M Harr, Madelyn Scott, Sunil More, Gretchen G Mafi, Morgan M Pfeiffer

Meat Sci· September 2025

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Physicochemical, Nutritional, and Structural Characterization of a Novel Meat-Based Hummus.
Meena Goswami, Rishav Kumar, Xin M Teng, Ravi Jadeja, Darren Scott, Gretchen G Mafi

Foods· July 2025

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National Beef Quality Audit - 2022: Instrument grading assessments of carcass characteristics of fed steers and heifers.
Thachary R Mayer, Sydni E Borders, Trent E Schwartz, Kerri B Gehring, Davey B Griffin, Gretchen G Mafi

Transl Anim Sci· July 2025

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The importance of including metmyoglobin levels in reflectance-based oxygen consumption measurements.
Morgan L Denzer, Morgan Pfeiffer, Gretchen Mafi, Ranjith Ramanathan

Meat Sci· January 2025

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Non-contact diffuse reflectance spectroscopy using center-illuminated-area-detection modeled by a simple formula for assessing myoglobin.
Daqing Piao, Nafiseh Farahzadi, Anuj Sharma, Morgan Pfeiffer, Gretchen Mafi

Appl Opt· January 2025

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National Beef Quality Audit-2022: Harvest-floor assessments of hide defects, carcass defects, and offal condemnations that affect value of carcasses and by-products from market cows and bulls.
Sydni E Borders, Trent E Schwartz, Thachary R Mayer, Kerri B Gehring, Davey B Griffin, Gretchen G Mafi

Transl Anim Sci· December 2024

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Glycogen Supplementation in Vitro Promotes pH Decline in Dark-Cutting Beef by Reverting Muscle's Metabolome toward a Normal Postmortem Muscle State.
Frank Kiyimba, Steven D Hartson, Gretchen G Mafi, Ranjith Ramanathan

J Agric Food Chem· November 2024

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Nontargeted Metabolomics to Understand the Impact of Modified Atmospheric Packaging on Metabolite Profiles of Cooked Normal-pH and Atypical Dark-Cutting Beef.
Keayla M Harr, Noah Jewell, Gretchen G Mafi, Morgan M Pfeiffer, Ranjith Ramanathan

Metabolites· October 2024

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Comparing the effects of packaging normal-pH and atypical dark-cutting beef in modified atmosphere conditions on surface color.
Keayla M Harr, Noah Jewell, Jade Edwards, Sunil More, Gretchen G Mafi

Meat Sci· July 2024

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National Beef Quality Audit-2022: in-plant assessments of quality and yield determining carcass characteristics of fed steers and heifers.
Thachary R Mayer, Sydni E Borders, Trent E Schwartz, Kerri B Gehring, Davey B Griffin, Gretchen G Mafi

Transl Anim Sci· June 2024

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Novel needle-probe single-fiber reflectance spectroscopy to quantify sub-surface myoglobin forms in beef psoas major steaks during retail display.
Morgan L Denzer, Daqing Piao, Morgan Pfeiffer, Gretchen Mafi, Ranjith Ramanathan

Meat Sci· April 2024

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National Beef Quality Audit-2022 Phase 1: face-to-face and digital interviews.
Colton L Smith, Tyler W Thompson, Keayla Harr, Macey Goretska, Thachary R Mayer, Gretchen G Mafi

Transl Anim Sci· March 2024

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National Beef Quality Audit-2022: Transportation, mobility, live cattle, and hide assessments to determine producer-related defects that affect animal welfare and the value of market cows and bulls at processing facilities.
Sydni E Borders, Trent E Schwartz, Thachary R Mayer, Kerri B Gehring, Davey B Griffin, Gretchen G Mafi

Transl Anim Sci· March 2024

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The potential of metabolomics in meat science: Current applications, trends, and challenges.
Ranjith Ramanathan, Frank Kiyimba, Surendranath P Suman, Gretchen G Mafi

J Proteomics· July 2023

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Sarcoplasmic model to study the effects of high-pressure processing on beef color.
Morgan Denzer, Rebecca Furbeck, Gary Sullivan, Mary-Grace Danao, Gretchen G Mafi

Meat Sci· May 2023

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Integrative proteomics and metabolomics profiling to understand the biochemical basis of beef muscle darkening at a slightly elevated pH.
Frank Kiyimba, Drew Cassens, Steven D Hartson, Janet Rogers, Joshua Habiger, Gretchen G Mafi

J Anim Sci· January 2023

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Metabolomics and bioinformatic analyses to determine the effects of oxygen exposure within longissimus lumborum steak on beef discoloration.
Morgan L Denzer, Morgan Pfeiffer, Gretchen G Mafi, Ranjith Ramanathan

J Anim Sci· January 2023

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Dark-cutting beef mitochondrial proteomic signatures reveal increased biogenesis proteins and bioenergetics capabilities.
Frank Kiyimba, Steven D Hartson, Janet Rogers, Deborah L VanOverbeke, Gretchen G Mafi

J Proteomics· August 2022

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Evaluating the failure to bloom in dark-cutting and lactate-enhanced beef longissimus steaks.
Ranjith Ramanathan, Richard A Mancini, Murali R Konda, Keith Bailey, Sunil More, Gretchen G Mafi

Meat Sci· February 2022

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Strategies to limit meat wastage: Focus on meat discoloration.
Ranjith Ramanathan, Melvin C Hunt, Taylor Price, Gretchen G Mafi

Adv Food Nutr Res· October 2021

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Changes in glycolytic and mitochondrial protein profiles regulates postmortem muscle acidification and oxygen consumption in dark-cutting beef.
Frank Kiyimba, Steven D Hartson, Janet Rogers, Deborah L VanOverbeke, Gretchen G Mafi

J Proteomics· February 2021

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Impact of Up- and Downregulation of Metabolites and Mitochondrial Content on pH and Color of the Longissimus Muscle from Normal-pH and Dark-Cutting Beef.
Ranjith Ramanathan, Frank Kiyimba, John Gonzalez, Gretchen Mafi, Udaya DeSilva

J Agric Food Chem· July 2020

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Mitochondrial Degeneration, Depletion of NADH, and Oxidative Stress Decrease Color Stability of Wet-Aged Beef Longissimus Steaks.
Rachel M Mitacek, Yiling Ke, Jessica E Prenni, Ravirajsinh Jadeja, Deborah L VanOverbeke, Gretchen G Mafi

J Food Sci· January 2019

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