期刊
FOOD CHEMISTRY
卷 227, 期 -, 页码 305-314出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.01.097
关键词
Raspberry; Rubus idaeus L.; Diabetes; Obesity; Polyphenolics-fibre
资金
- National Raspberry Council
Red raspberry fruit intake was investigated on obese diabetic (db/db) mice for 8 weeks. Animals fed isocaloric diets (5.3% freeze-dried raspberry, or control) were assessed for obesity-diabetes-disease risk biomarkers. Results showed that raspberry intake improved antioxidant status and lessened plasma interleukin (IL)-6 (0.3-fold of control, p < 0.1); most likely through enhancing glutathione peroxidase (GPx) activity in liver (4.3-fold of control), and in blood (2.1-fold of control). Other disease-risk biomarkers were similar between groups (p > 0.05). Plasma levels of total cholesterol (T-CHL), low density lipoprotein-cholesterol (LDL-CHL), and resistin were higher in the raspberry group. Overall, the enhanced detoxifying cell defenses exerted by raspberry intake might be due to its polyphenolics and fibre. This study demonstrates in vivo that raspberry intake, at a dose that can be achieved by human consumption, might protect against diabetes-induced oxidative stress. (C) 2017 Elsevier Ltd. All rights reserved.
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