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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http://dx.doi.org/10.1615/IntJMedMushrooms.v19.i2.20DOI Listing

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