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Biomed Pharmacother. 2018 Apr;100:191-197. doi: 10.1016/j.biopha.2018.01.144. Epub 2018 Feb 8.

Silybum marianum oil attenuates hepatic steatosis and oxidative stress in high fat diet-fed mice.

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School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; Jiangsu Hengshun Group Co., Ltd., Zhenjiang 212000, China. Electronic address:
Institute of Vegetables, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China.


In the present study, the effects of Silybum marianum oil (SMO) on hepatic steatosis and oxidative stress were investigated during the development of nonalcoholic fatty liver disease (NAFLD) in high fat diet (HFD)-fed mice. The results showed that body weight, fat mass, and serum biochemical parameters such as triglyceride, free fatty acid, glucose and insulin were reduced by SMO treatment. Meanwhile, SMO decreased the histological injury of liver and the levels of hepatic triglyceride, cholesterol and free fatty acid in HFD-fed mice. SMO administration elevated the activities of superoxide dismutase (SOD) and catalase (CAT) and reduced the level of malondialdehyde (MDA) in the liver. Enzyme linked immunosorbent assay showed that SMO significantly decreased the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in HFD mice. Furthermore, the mRNA levels of sterol regulatory element binding protein 1c (SREBP-1c), fatty acid synthase (FAS) and liver X receptor α (LXRα) were lower, but peroxisome proliferator-activated receptor α (PPARα) was higher in mice treated with SMO compared with the HFD group. The results indicated that SMO could play a certain protective role against HFD-induced NAFLD, and the protective effects might be associated with attenuating lipid accumulation, oxidative stress and inflammation, improving lipid metabolism.


Hepatic steatosis; NAFLD; Oxidative stress; Silybum marianum oil

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