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J Ethnopharmacol. 2010 Jul 20;130(2):231-6. doi: 10.1016/j.jep.2010.04.039. Epub 2010 May 8.

Anti-diabetic effects of Panax notoginseng saponins and its major anti-hyperglycemic components.

Author information

1
Department of Pharmacology, West China School of Pharmacy, Sichuan University, Chengdu, People's Republic of China.

Abstract

ETHNOPHARMACOLOGICAL RELEVANCE:

Panax notoginseng (Burk) F.H. Chen (Araliaceae) is a well-known and commonly used traditional Chinese herb for treatment of various diseases, such as hemostasis, edema and odynolysis.

AIM OF STUDY:

Our aim was to investigate the mechanisms of anti-hyperglycemic and anti-obese effects of Panax notoginseng saponins (PNS) in KK-Ay mice, and explore the components in PNS for such effects.

MATERIALS AND METHODS:

KK-Ay mice received daily intraperitoneal injections of PNS 200mg/kg or vehicle for 30 days while ginsenoside Re 14 mg/kg, Rd 15 mg/kg, Rg1 40 mg/kg, Rb1 60 mg/kg and notoginsenoside R1 6 mg/kg for 12 days. Fasting blood glucose levels (FBGL), glucose tolerance (GT), serum insulin, leptin levels, body weight changes, food intake, adipose tissues and blood fat levels were measured at different time points.

RESULTS:

The PNS group had significantly lower FBGL, improved GT and smaller body weight incremental percentage after the 30-day treatment. Additionally, Rb1 exhibited significant reduction of FBGL on day 12, and Re also exhibited a decreasing trend after the 12-day treatment.

CONCLUSIONS:

PNS possess anti-hyperglycemic and anti-obese activities by improving insulin- and leptin sensitivity, and Rb1 is responsible for the anti-hyperglycemic effect among the five saponins in KK-Ay mice.

PMID:
20435129
DOI:
10.1016/j.jep.2010.04.039
[Indexed for MEDLINE]

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