Gyuri Lee
Korea University · Agricultural and Biological Sciences
About the Lab
Professor Gyuri Lee's research lab specializes in food safety and microbial biotechnology, focusing on the development of biological solutions to mitigate mycotoxin contamination in food and feed. The lab investigates the potential of beneficial microorganisms, such as *Aspergillus oryzae* and probiotic strains, to degrade carcinogenic aflatoxins and other harmful compounds. Additionally, the lab explores the role of probiotics and prebiotics in promoting health, including protection against UVB-induced photoaging, and examines microbial communities in fermented foods like kombucha. Their work bridges food science, microbiology, and human health with practical applications in food safety and wellness.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15isolates and their enzymes have the potential for practical application to reduce levels of OTA in food and feed.
Kombucha is a fermented beverage containing organic acids by yeast and acetic acid bacteria. In this study, microbial community analysis of kombucha produced in Korea was performed, and changes in components during kombucha fermentation were analyzed using commercial kombucha pellicle and culture broth as starter. The major phylum-level strains of commercial kom-1 and kom-2 showed differences in proteobacteria of 35.60% and 78.1%, and Firmicutes of 64.06% and 15.57%, respectively. During ferment
Aflatoxins are classified as Group 1 (carcinogenic to humans) by the International Agency for Research on Cancer. In this study, a total of 134 fungal strains were isolated from 65 meju samples, and two fungal isolates were selected as potential aflatoxin B<sub>1</sub> (AFB<sub>1</sub>)-biodetoxification fungi. These fungi were identified as <i>Aspergillus oryzae</i> MAO103 and <i>A. oryzae</i> MAO104 by sequencing the beta-tubulin gene. The two <i>A. oryzae</i> strains were able to degrade more
Overexposure to ultraviolet B (UVB) irradiation induces photoaging that is characterized by the formation of wrinkles and loss of skin elasticity. To understand the mechanism of action of probiotics and prebiotics in skin protection against photoaging, we investigated the effects of dietary supplementation with the probiotic, <i>Bifidobacterium longum</i>, and prebiotic, galacto-oligosaccharide, on UVB-induced photoaging in hairless mice. We measured short chain fatty acid (SCFA) levels, antioxi
INTRODUCTION: Facemasks are an important piece of personal protective equipment (PPE) to mitigate the spread of respiratory illnesses, but they can impede communication between patients and healthcare providers. The purpose of this scoping review is to identify effective communication practices while wearing facemasks. DESIGN: Scoping review using a systematic search of articles from the PubMed, CINAHL, and Embase databases. METHODS: The PEO (population, exposure, outcome) methodology was select
Abstract Person-centered mealtime care is individually tailored and directly delivered care that engages individuals in mealtime activities and addresses their needs and preferences. Person-centered mealtime care is associated with positive mealtime behaviors and outcomes in older adults with dementia. Existing tools that assess caregiver knowledge and self-efficacy of mealtime care have low psychometric quality, and few tools focus on person-centered mealtime care. This study developed and test
Research Areas
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