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J Ethnopharmacol. 2004 Jan;90(1):155-60.

Ethanolic extract of Ocimum sanctum leaves partially attenuates streptozotocin-induced alterations in glycogen content and carbohydrate metabolism in rats.

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1
Department of Pharmacology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110049, India.

Abstract

Ocimum sanctum (OS) has been mentioned in Indian system of traditional medicine to be of value in the treatment of diabetes mellitus. We have previously shown that OS shows a dose-dependent hypoglycemic effect and prevented rise in plasma glucose in normal rats. It also showed significant antihyperglycemic effect in STZ-induced diabetes. The present study was undertaken to assess the effect of OS on three important enzymes of carbohydrate metabolism [glucokinase (GK) (EC 2.7.1.2), hexokinase (HK) (EC 2.7.1.1) and phosphofructokinase (PFK) (EC 2.7.1.11)] along with glycogen content of insulin-dependent (skeletal muscle and liver) and insulin-independent tissues (kidneys and brain) in STZ (65 mg/kg) induced model of diabetes for 30 days. Administration of OS extract 200mg/kg for 30 days led to decrease in plasma glucose levels by approximately 9.06 and 26.4% on 15th and 30th day of the experiment. Liver and two-kidney weight expressed as percentage of body weight significantly increased in diabetics (P<0.0005) versus normal controls. OS significantly decreased renal (P<0.0005) but not liver weight. Renal glycogen content increased by over 10 folds while hepatic and skeletal muscle glycogen content decreased by 75 and 68% in diabetic controls versus controls. OS did not affect glycogen content in any tissue. Activity of HK, GK and PFK in diabetic controls was 35, 50 and 60% of the controls and OS partially corrected this alteration.

PMID:
14698524
[Indexed for MEDLINE]

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