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Spirulina Lipids Alleviate Oxidative Stress and Inflammation in Mice Fed a High-Fat and High-Sucrose Diet

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College of Food Science and Engineering, Qilu University of Technology, No.3501, Daxue Road, Jinan 250353, China
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Department of Nutrition and Food Hygiene, School of Public Health, Shandong University, No.44 Wenhuaxi Road, Jinan 250012, China
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Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido 041-8611, Japan
*
Author to whom correspondence should be addressed.
Mar. Drugs 2020, 18(3), 148; https://doi.org/10.3390/md18030148
Received: 8 February 2020 / Revised: 29 February 2020 / Accepted: 2 March 2020 / Published: 4 March 2020
High-fat and high-sucrose diet (HFHSD)-induced obesity leads to oxidative stress and chronic inflammatory status. However, little is known about the beneficial effects of total lipids extracted from Spirulina. Hence, in the present study, Spirulina lipids were extracted with chloroform/methanol (SLC) or ethanol (SLE) and then their effects on oxidative stress and inflammation in the mice fed a HFHSD were investigated. The results show that the major lipid classes and fatty acid profiles of SLC and SLE were almost similar, but the gamma-linolenic acid (GLA) and carotenoid contents in SLE was a little higher than that in SLC. Dietary 4% SLC or SLE for 12 weeks effectively decreased the hepatic lipid hydroperoxide levels as well as increased the activities and mRNA levels of antioxidant enzymes in the mice fed a HFHSD. In addition, supplementation with SLC and SLE also markedly decreased the levels of serum pro-inflammatory cytokines and the mRNA expression of pro-inflammatory cytokines in the liver and epididymal white adipose tissue of mice fed a HFHSD, and the effects of SLC and SLE were comparable. These findings confirm for the first time that dietary Spirulina lipids could alleviate HFHSD-induced oxidative stress and inflammation. View Full-Text
Keywords: Spirulina lipids; gamma-linolenic acid; carotenoids; oxidative stress; inflammation Spirulina lipids; gamma-linolenic acid; carotenoids; oxidative stress; inflammation
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Yang, Y.; Du, L.; Hosokawa, M.; Miyashita, K. Spirulina Lipids Alleviate Oxidative Stress and Inflammation in Mice Fed a High-Fat and High-Sucrose Diet. Mar. Drugs 2020, 18, 148.

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