Xiangfei Li1,2, Shuhua Tian1, Yunfan Wang1, Jie Liu3, Jing Wang3, Yingjian Lu4. 1. College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, 210023, People's Republic of China. 2. College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China. 3. China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing, 100048, China. 4. College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, 210023, People's Republic of China. yingjianlu@nufe.edu.cn.
Abstract
PURPOSE: This study aimed to explore the protective effect of broccoli microgreens juice (BMJ) during C57BL/6J mice obesity development. METHODS: The obese model mice, induced by feeding high-fat diet (HFD), were treated with BMJ by gavage for 10 weeks. Melbine was gavaged at 300 mg/(kg bw)/d, as a positive control group. RESULTS: BMJ supplementation significantly reduced white adipose tissues (WAT) mass, the body weight and adipocyte size, and increased water intake in HFD-fed mice. Moreover, it improved glucose tolerance, reduced insulin level and HOMA-IR value, and alleviated insulin resistance. Compared with the HFD group, BMJ supplementation significantly increased the relative abundance of Bacteroidetes and decreased the ratio of Firmicutes to Bacteroidetes at the phylum level, and enriched Bacteroides_acidifaciens at the species level. These changes in the composition of gut microbiota are associated with the production of short-chain fatty acids (SCFAs), and reduced LPS levels, and had an obvious anti-inflammatory effect. CONCLUSIONS: These findings suggested that the protective effects of BMJ on diet-induced obesity may be involved in gut microbiota-SCFAs-LPS-inflammatory axis. In addition, BMJ can enhance liver antioxidant capacity and reduce liver fat accumulation. Consequently, these results sustain BMJ as a novel functional food for obesity, on the basis of its opposing effects on HFD-induced obesity in mice.
PURPOSE: This study aimed to explore the protective effect of broccoli microgreens juice (BMJ) during C57BL/6J miceobesity development. METHODS: The obese model mice, induced by feeding high-fat diet (HFD), were treated with BMJ by gavage for 10 weeks. Melbine was gavaged at 300 mg/(kg bw)/d, as a positive control group. RESULTS: BMJ supplementation significantly reduced white adipose tissues (WAT) mass, the body weight and adipocyte size, and increased water intake in HFD-fed mice. Moreover, it improved glucose tolerance, reduced insulin level and HOMA-IR value, and alleviated insulin resistance. Compared with the HFD group, BMJ supplementation significantly increased the relative abundance of Bacteroidetes and decreased the ratio of Firmicutes to Bacteroidetes at the phylum level, and enriched Bacteroides_acidifaciens at the species level. These changes in the composition of gut microbiota are associated with the production of short-chain fatty acids (SCFAs), and reduced LPS levels, and had an obvious anti-inflammatory effect. CONCLUSIONS: These findings suggested that the protective effects of BMJ on diet-induced obesity may be involved in gut microbiota-SCFAs-LPS-inflammatory axis. In addition, BMJ can enhance liver antioxidant capacity and reduce liver fat accumulation. Consequently, these results sustain BMJ as a novel functional food for obesity, on the basis of its opposing effects on HFD-induced obesity in mice.
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