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J Med Food. 2018 Jun;21(6):535-543. doi: 10.1089/jmf.2017.4138. Epub 2018 Feb 23.

Hypolipidemic and Antidiabetic Effects of Functional Rice Cookies in High-Fat Diet-Fed ICR Mice and db/db Mice.

Author information

1
Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University , Busan, Korea.

Abstract

We have previously reported the lipid-lowering effects of a Korean rice cookie called dasik (RCD) in comparison with a western style cookie. In this study, Schisandra chinensis (Turcz.) Baill. (Chinese magnolia vine) fruit-supplemented RCD (SRCD) was added to a diet, and the hypolipidemic and antidiabetic effects of different diets were examined by using the ICR and db/db mouse models, respectively. ICR mice were fed the AIN-76 diet, or high-fat diet (HFD), or the RCD- or SRCD-supplemented HFD (10%, w/w) for 9 weeks (n = 7 per group). Compared with the RCD group, plasma and hepatic triglyceride and cholesterol concentrations were decreased in the SRCD group. Hepatic expressions for fatty acid and cholesterol synthesis were downregulated, whereas those for beta-oxidation and cholesterol export were upregulated (P < .05). The antidiabetic effects of SRCD were tested in db/db mice for 10 weeks (n = 7 per group). Glucose tolerance was improved in the SRCD group through the regulation of gluconeogenic enzymes and biomarkers related to the insulin signaling pathway (P < .05). In addition, SRCD increased the expression levels of antioxidative enzymes, and decreased those of inflammatory cytokines (P < .05). Moreover, oxidative stress, leptin, and insulin levels were lower in the SRCD group than in the other groups (P < .05). In conclusion, the lipid-lowering and antidiabetic effects of SRCD were greater than those of RCD with respect to the suppression of lipid synthesis, oxidative stress, and inflammation and the improvement of glucose metabolism.

KEYWORDS:

Korean cookie dasik; diabetes; inflammation; lipid metabolism; oxidative stress

PMID:
29474103
DOI:
10.1089/jmf.2017.4138
[Indexed for MEDLINE]

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