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Effects of Blue Light on Fruiting Body Production and Ergothioneine Content During Sawdust Cultivation of Shiitake ().
Mycobiology
December 2024
Forest Microbiology and Application Division, Department of Forest Bioresources, National Institute of Forest Science, Suwon, Republic of Korea.
The cultivation period of shiitake () is approximately 120-150 d, which is longer than that of other edible mushrooms. The development of fruiting bodies in shiitake is affected by light exposure. In this study, we investigated the effects of blue light on the production and ergothioneine contents of shiitake mushrooms.
View Article and Find Full Text PDFErgothioneine improves healthspan of aged animals by enhancing cGPDH activity through CSE-dependent persulfidation.
Cell Metab
January 2025
Leibniz Institute for Analytical Sciences, ISAS e.V., Dortmund, Germany; School of Molecular Biosciences, College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, UK. Electronic address:
Ergothioneine (ET), a dietary thione/thiol, is receiving growing attention for its possible benefits in healthy aging and metabolic resilience. Our study investigates ET's effects on healthspan in aged animals, revealing lifespan extension and enhanced mobility in Caenorhabditis elegans, accompanied by improved stress resistance and reduced age-associated biomarkers. In aged rats, ET administration enhances exercise endurance, muscle mass, and vascularization, concomitant with higher NAD levels in muscle.
View Article and Find Full Text PDFErgothioneine, a New Acrolein Scavenger at Elevated Temperature.
J Agric Food Chem
January 2025
Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2# Xuelin Road, Nanjing 210023, People's Republic of China.
Acrolein (ACR) present in vivo and in vitro can damage proteins and DNA, linking it to various chronic diseases. In this paper, ergothioneine (EGT), abundant in edible mushrooms, has been studied for its ability to trap ACR and its reaction pathway with ACR at high temperatures using ultraperformance liquid chromatography-mass spectrometry (UPLC-MS/MS). We synthesized the adducts (EGT-ACR-1 and EGT-ACR-2), elucidating their structure and reaction site through HRMS and nuclear magnetic resonance.
View Article and Find Full Text PDFProgram temperature-controlled drying: An effective way to improve the quality of hot-air dried shiitake mushrooms.
J Food Sci
January 2025
Key Laboratory of Agro-food Quality and Safety of Ministry of Agriculture and Rural Affairs, Institute of Agricultural Quality Standard and Testing Technology, Chinese Academy of Agricultural Sciences, Beijing, China.
This study applied program temperature-controlled drying (PTCD) to optimize the hot-air drying process for shiitake mushrooms, adjusting the drying temperature based on activity changes of γ-glutamyl transpeptidase (γ-GTase) and cysteine sulfoxide lyase (C-S lyase). Compared with constant temperature drying, PTCD (ST_75 and ST_150) significantly enhanced the umami and aroma profiles and sulfur compounds, increasing the levels of key flavor compounds such as glutamic acid and 5'-GMP. Moreover, PTCD improved rehydration capacity (515.
View Article and Find Full Text PDFOptimization of Fermentation Conditions in Ergothioneine Biosynthesis from Ganoderma resinaceum (Agaricomycetes) and an Evaluation of Their Inhibitory Activity on Xanthine Oxidase.
Int J Med Mushrooms
January 2025
Department of Bioengineering, College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou 510640, China; Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou 510640, China.
Ganoderma resinaceum is a traditional mushroom that contains natural products, including ergothioneine (EGT), which has powerful antioxidant properties in the human body. To increase EGT yield from G. resinaceum, the optimal carbon and nitrogen sources in the culture medium were determined as 20 g/L sucrose and 4 g/L NH4Cl, respectively.
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