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http://dx.doi.org/10.3746/jkfn.2005.34.7.973

Effect of Pinus densiflora Extract on Blood Glucose Level, OGTT and Biochemical Parameters in Streptozotocin Induced Diabetic Rats  

Kim, Shin-Hee (Dept. of Food and Nutrition, Chungnam National University)
Hwang, Seock-Yeon (Dept of Clinical Laboratory, Chungbuk National University Hospital)
Park, Oh-Sung (Dept. of Veterinary Medicine, Chungnam National University)
Kim, Moo-Kang (Dept. of Veterinary Medicine, Chungnam National University)
Chung, Young-Jin (Dept. of Food and Nutrition, Chungnam National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.7, 2005 , pp. 973-979 More about this Journal
Abstract
To investigate the effect of Pinus densiflora on biochemical parameters in type I diabetic rats, we evaluated the changes of body weight, fasting blood glucose level, oral glucose tolerance test (OGTT) and biochemical parameters after the intraperitoneal injection of distilled solution of Pinus densiflora in streptozotocin (STZ)­induced rats. Thirty-seven male Sprague Dawley rats $(180\pm10g)$ were divided into four groups; diabetic mellitus (DM) group received STZ (50 mg/kg BW, i.v.); low level of pine extract (LP) group received Pinus densiflora (5 mg/kg BW, i.p.), high level of pine extract (HP) group received Pinus densiflora (10 mg/kg BW, i.p.) after the single injection of STZ (50 mg/kg BW, i.v.), respectively. Normal control (NC) group received saline. The change of fasting blood glucose level and OGTT were measured using glucocard II, and the change of biochemical parameter were measured by Automatic Chemistry Analyzer (Hitach-747, Japan). Mean body weight change of DM group was retarded greatly by STZ-exposure. While, body weights of LP and HP groups were progressively increased with some fluctuation, although the increase rates were slower than that of NC group. Fasting blood glucose levels of LP and HP groups were reduced by Pinus densiflora injection, although the fasting blood glucose levels were higher than that of NC group. The results of OGTT was significantly improved in both of LP and HP group compared to DM group. Increases of blood glucose, alanine aminotransferase (ALT), alkaline phosphatase (ALP) and blood urea nitrogen (BUN) levels by STZ-exposure were attenuated by the Pinus densiflora treatment (p<0.05). From the results, it was suggested that Pinus densiflora has a tendency to decrease STZ-induced toxicity in terms of monitoring fasting blood glucose, OGTT and some biochemical parameters of rat.
Keywords
streptozotocin; Pinus densiflora; fasting blood glucose; OGTT; diabetes;
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