Hypolipidemic Effect and Liver Protection of <i>Irpex lacteus</i> Fermented Tea <i>in Vivo</i>

WEI Yanye; JIANG Mingguo; DENG Liyao; LIU Cong; GAO Caimi; XIA Yuhong; LIU Hongcun; CHEN Linmeng; YANG Lifang

doi:10.13386/j.issn1002-0306.2021030168

Volume 42 Issue 24

Dec. 2021

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Science and Technology of Food Industry > 2021 > 42(24): 334-339. > DOI: 10.13386/j.issn1002-0306.2021030168

WEI Yanye, JIANG Mingguo, DENG Liyao, et al. Hypolipidemic Effect and Liver Protection of Irpex lacteus Fermented Tea in Vivo[J]. Science and Technology of Food Industry, 2021, 42(24): 334−339. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021030168.

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Hypolipidemic Effect and Liver Protection of Irpex lacteus Fermented Tea in Vivo

1.
Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi University for Nationalities, Nanning 530008, China
2.
Guangxi Marine Microbial Resources Industrialization Engineering Technology Research Center, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530008, China

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Received Date: March 14, 2021
Available Online: October 20, 2021

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Abstract

Abstract

To study the effect of Irpex lacteus fermented tea on blood lipids and liver in mouse, 60 male KM mice were established hyperlipidemia model by high-fat diet induction, and then were randomly divided into six groups: Model group, simvastatin positive control group(10 mg/kg), green tea group(400 mg/kg) and high(400 mg/kg), medium(200 mg/kg), and low(100 mg/kg) dose Irpex lacteus fermented tea groups. And another 10 male KM mice were set up blank control group. The blank control group was given basic feeds, and the remaining groups were fed with high-fat feeds and gavage corresponding drugs. After 35 days, the body weight, liver weight and liver coefficient of each group were calculated. Serum total cholesterol(TC), triglyceride(TG), high-density lipoprotein cholesterol(HDL-C), low-density lipoprotein cholesterol(LDL-C), aspartate aminotransferase(AST), alanine aminotransferase(ALT), alkaline phosphatase(ALP), superoxide dismutase(SOD), malondialdehyde(MDA) and glutathion peroxide(GSH) levels were detected, and morphological changes(HE) and liver fat particles(oil red O) in the liver of mice were observed. The results showed that high(400 mg/kg) dose Irpex lacteus fermented tea group could significantly reduce the levels of TC, LDL-C, AST, ALT, ALP and liver coefficient(P<0.05 or P<0.01), these indicators levels were close to the simvastatin group. High(400 mg/kg) dose Irpex lacteus fermented tea group extremely significantly reduced TG level(P<0.01), and with the blank control group TG level, and increased HDL-C levels(P<0.01) in hyperlipidemic mice, the level of HDL-C was close to simvastatin group. It also could significantly reduce MDA content in liver and hyperlipidemia mice below simvastatin group, and increase SOD and GSH activity, which were close to blank control group and simvastatin group, respectively(P<0.05), improve the degree of fatty liver histopathology, and reduce liver fat particles. These findings indicated that the high(400 mg/kg) dose Irpex lacteus fermented tea group had hypolipidemic, improved the fatty liver disease and hepatoprotective effects by regulating oxidative stress in hyperlipidemic mice. This study would provide a theoretical basis for the development and utilization of the Irpex lacteus fermented tea as functional tea with anti-oxidation, lowering blood lipid and improving fatty liver.
- Irpex lacteus,
- Irpex lacteus fermented tea,
- hypolipidemic,
- fatty liver,
- liver protection

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