Effects of fiber intake on the blood pressure, lipids, and heart rate in Goto Kakizaki rats.
OBJECTIVE
The prevalence of hypertension in individuals with diabetes mellitus is higher than that in individuals without diabetes mellitus. High fiber intake decreases blood glucose and lipids levels. This study investigated the effects of cereal fiber intake on systolic and diastolic blood pressures in a rat model of type 2 diabetes mellitus.


METHODS
Thirty male Goto Kakizaki rats were randomly assigned to one of three groups. Each group was fed a barley diet, a white rice diet, or cornstarch diet. The rats were pair fed for 16 wk. Systolic and diastolic blood pressures were measured once every 4 wk by the photoelectric oscillometric tail-cuff method without anesthesia.


RESULTS
The barley diet significantly decreased systolic blood pressure from week 12 and decreased the plasma levels of total cholesterol, triacylglycerol, and low-density lipoprotein cholesterol. There were significant positive correlations between plasma lipids levels and systolic blood pressure.


CONCLUSIONS
High fiber intake has beneficial effects on systolic blood pressure and blood lipids levels and suggests that fiber intake should be increased in individuals who have diabetes mellitus to prevent complications.
Li
Jue
J
Department of Environmental Health, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan.
Wang
Jing
J
Kaneko
Takashi
T
Qin
Li-Qiang
LQ
Sato
Akio
A
D000818:Animals; D001794:Blood Pressure / Q000187:drug effects*; D002784:Cholesterol / Q000097:blood; D008078:Cholesterol, LDL / Q000097:blood; D003924:Diabetes Mellitus, Type 2 / Q000097:blood / Q000150:complications; D004043:Dietary Fiber / Q000008:administration & dosage*; D006339:Heart Rate / Q000187:drug effects*; D001467:Hordeum; D006973:Hypertension / Q000178:diet therapy*; D008055:Lipids / Q000097:blood*; D008297:Male; D012275:Oryza; D011897:Random Allocation; D051381:Rats; D013213:Starch; D014280:Triglycerides / Q000097:blood
D008078:Cholesterol, LDL; D004043:Dietary Fiber; D008055:Lipids; D014280:Triglycerides; D013213:Starch; D002784:Cholesterol