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International Journal of Medicinal Mushrooms
IF: 1.423 5-Year IF: 1.525 SJR: 0.433 SNIP: 0.661 CiteScore™: 1.38

ISSN Print: 1521-9437
ISSN Online: 1940-4344

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v19.i2.20
pages 107-119

In Vitro Antioxidant and In Vivo Hypolipidemic Effects of the King Oyster Culinary-Medicinal Mushroom, Pleurotus eryngii var. ferulae DDL01 (Agaricomycetes), in Rats with High-Fat Diet–Induced Fatty Liver and Hyperlipidemia

Jun-Hui Choi
Department of Food Science and Biotechnology, Gwangju University, Gwangju, Republic of Korea
Dae-Won Kim
Department of Biomedical Science and the BK21-Plus Research Team for Bioactive Control Technology, Chosun University, Gwangju, Republic of Korea
Seung Kim
Department of Food Science and Biotechnology, Gwangju University, Gwangju, Republic of Korea
Sung-Jun Kim
Department of Biomedical Science and the BK21-Plus Research Team for Bioactive Control Technology, Chosun University, Gwangju, Republic of Korea

ABSTRACT

We investigated the effect of the culinary-medicinal mushroom Pleurotus eryngii var. ferulae DDL01 on oxidative damage in the liver and brain and a high-fat/high-cholesterol–induced hyperlipidemic model. In in vitro studies, the water extracts of the fruiting bodies showed strong scavenging activities of DPPH (139.46 ± 3.2 μg) and hydroxyl (139.46 ± 3.2 μg) radicals. Moreover, the extracts showed Fe2+ chelating and reducing abilities, as well as a large amount of polyphenols and an inhibitory effect on lipid peroxidation in the liver and brain tissues. The rats were fed a pellet diet (7.5 g/rat/day) containing P. eryngii var. ferulae DDL01 (PD) for 3 weeks. In the high-fat/high-cholesterol–induced hyperlipidemic rat model, administration of PD caused a significant decrease (P < 0.05) in the levels of serum triacylglycerols, low-density lipoprotein cholesterol, very-low-density lipoprotein cholesterol, aspartate aminotransferase, and alanine aminotransferase and a significant increase (P < 0.05) in the level of high-density lipoprotein cholesterol. PD administration significantly decreased high-fat/high-cholesterol–induced hepatic lipid accumulation. Treatment with the extracts (up to 500 μg/mL) did not significantly affect the viability of HepG2 and 3T3-L1 cells. Our findings suggest that this mushroom has potential as an antiatherogenic dietary source in the development of therapeutic agents and functional foods.


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