Article Publish Status: FREE
Abstract Title:

Effects of the Brown SeaweedSupplementation on Serum Concentrations of IgG, Triglycerides, and Cholesterol, and Intestinal Microbiota Composition in Rats.

Abstract Source:

Front Nutr. 2018 ;5:23. Epub 2018 Apr 12. PMID: 29707542

Abstract Author(s):

Jae-Young Kim, Young Min Kwon, In-Sung Kim, Jeong-A Kim, Da-Yoon Yu, Bishnu Adhikari, Sang-Suk Lee, In-Soon Choi, Kwang-Keun Cho

Article Affiliation:

Jae-Young Kim


The intestinal microbial communities play critical roles in various aspects of body function of the host. Prebiotics, such as dietary fiber, can affect health of the host by altering the composition of intestinal microbiota. Although brown seaweedis rich in dietary fiber, studies on its prebiotic potential are quite rare. In this study, basal diet (control), basal diet supplemented with dried(DLJ), heat-treated dried(HLJ), or heated driedwith added fructooligosaccharide (FHLJ) was fed to rats for 16 weeks. Serum concentrations of IgG, triglyceride, and cholesterol were measured. In addition, the intestinal microbiota composition was analyzed by high-throughput sequencing of 16S rRNA gene. As compared to the control group, DLJ, HLJ, and FHLJ groups showed significantly higher serum IgG concentration, but had lower weight gain and serum triglyceride concentration. Moreover, DLJ, HLJ, and FHLJ groups showed lowertoratio when compared with the control group. As compared with the control group, obesity-associated bacterial genera (, and), and the genera with pathogenic potentials (, and) decreased while leanness-associated genera (, and), and lactic acid bacterial genera (, and) increased in all treatment groups. On the contrary, butyric acid producing genera including, andincreased significantly only in FHLJ group. The overall results support multiple prebiotic effects of seaweedon rats as determined by body weight reduction, enhanced immune response, and desirable changes in intestinal microbiota composition, suggesting the great potential ofas an effective prebiotic for promotion of host metabolism and reduction of obesity in humans.

Study Type : Animal Study

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