期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 52, 期 4, 页码 1002-1007出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf0302557
关键词
Viburnum dilatatum(gamazumi); diabetes; lipid peroxidation; antioxidation; hyperglycemia; streptozotocin
The fruit of Viburnum dilatatum Thunb. (gamazumi) was found in a previous study to have strong radical scavenging activity. The present study investigated the antioxidative functions of gamazumi crude extract (GCE) in rats having diabetes induced by the administration of streptozotocin. In rats given water (H2O group), plasma levels of glucose, total cholesterol, and lipid peroxide (TBARS) and erythrocyte levels of TBARS increased with time over the experimental period of 10 weeks. These increases were inhibited in rats given GCE (GCE group). After 10 weeks, hepatic, renal, and pancreatic TBARS in the GCE group were significantly lower than those in the H2O group. GCE contains a high concentration of polyphenols, and it is expected that they are the active components. These results demonstrate that GCE has an inhibitory effect on the oxidative stress induced by diabetes and suggest that GCE may be useful for the prevention of diabetic complications. Furthermore, as the increase of plasma glucose and total cholesterol was inhibited in the GCE group, GCE may also have anti-whyperglycemic activity in diabetes.
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