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KMID : 1161420210240060635
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Journal of Medicinal Food
2021 Volume.24 No. 6 p.635 ~ p.644
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Protective Role of Dietary Capsanthin in a Mouse Model of Nonalcoholic Fatty Liver Disease
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Joo Hee-Kyoung
Lee Yu-Ran
Lee Eun-Ok
Kim Sung-Min
Jin Hao
Kim Su-Na
Lim Yong-Pyo
An Chul-Geon
Jeon Byeong-Hwa
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Abstract
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Capsanthin is the main carotenoid compound in red paprika (Capsicum annuum L.). However, little is known about the beneficial effects of capsanthin in nonalcoholic fatty liver disease (NAFLD). In this study, the hepatoprotective activity of capsanthin was investigated in a mouse model of NAFLD. Apolipoprotein-E knockout mice were fed with normal diet, Western-type diet (WD, NAFLD model), WD with capsanthin (0.5?mg/kg of body weight/day, CAP), WD with capsanthin-rich extract (25?mg/kg of body weight/day; CRE), or WD with red paprika powder (25?mg/kg of body weight/day, RPP) for 12 weeks. The carotenoid content in CRE or RPP was analyzed using ultraperformance liquid chromatography. The capsanthin concentration in CRE was 2067?mg/100?g of dry weight, which was 63% of total carotenoids. The oral administration of CRE or capsanthin significantly reduced the WD-induced increase in body weight and lipid accumulation in the liver (vs. the RPP group). In addition, CRE or capsanthin significantly inhibited the WD-induced increase in cholesterol and low-density lipoprotein levels. Furthermore, CRE or capsanthin showed reduced levels of plasma alanine and aspartate aminotransferase (ALT and AST, respectively), suggesting a steatohepatitis protective effect. Capsanthin regulated mRNA levels of peroxisome proliferator-activated receptor alpha (Pparα), carnitine palmitoyltransferase 1A (Cpt1a), acyl-CoA oxidase 1 (Acox1), and sterol regulatory element binding protein-1c (Srebp1c), which are associated with hepatic fatty acid metabolism. Overall, our results suggest that the capsanthin of red paprika plays a protective role against hepatic steatosis/steatohepatitis in NAFLD.
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KEYWORD
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ApoE knockout mice, capsanthin, cholesterol, fatty liver, NAFLD, paprika
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