Startseite Mature coconut water exhibits antidiabetic and antithrombotic potential via L-arginine-nitric oxide pathway in alloxan induced diabetic rats
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Mature coconut water exhibits antidiabetic and antithrombotic potential via L-arginine-nitric oxide pathway in alloxan induced diabetic rats

  • Prabhakaran Prabha Preetha , Vishalakshiamma Girija Devi und Thankappan Rajamohan EMAIL logo
Veröffentlicht/Copyright: 4. Juli 2015

Abstract

Background: The aims of the present study were to assess whether the antidiabetic activity of mature coconut water (MCW) is mediated through L-arginine-nitric oxide pathway in diabetic rats, and to study the effects of MCW on blood coagulation.

Methods: Diabetes was induced in male Sprague-Dawley rats by injecting them with alloxan (150 mg/kg body weight). MCW (4 mL/100 g body weight) and L-arginine (7.5 mg/100 g body weight) was given orally for 45 days. L-NAME was given at a dose of 0.5 mg/kg body weight. Concentrations of blood glucose, plasma insulin, glycosylated hemoglobin (HbA1c), L-arginine, urine volume and urinary creatinine levels, activity of nitric oxide synthase (NOS), and arginase as well as the abnormalities in hemostasis and thrombosis were measured in all the experimental groups.

Results: Treatment with MCW and L-arginine reduced the concentration of blood glucose and HbA1c in diabetic rats. MCW and L-arginine treatment exhibited significant antithrombotic activity in diabetic rats, which was evident from the reduced levels of WBC, platelets, fibrin, and fibrinogen. MCW and L-arginine treatment prolonged the prothrombin time in diabetic rats and reduced the activity of Factor V. In addition to this, the activity of nitric oxide synthase, liver and plasma arginine content, and urinary nitrite were higher in MCW-treated diabetic rats whereas L-NAME treatment inhibited the beneficial effects induced by MCW and arginine.

Conclusions: The results clearly indicate that L-arginine is a major factor responsible for the antidiabetic and antithrombotic potential of coconut water, and is mediated through the L-arginine-nitric oxide pathway.


Corresponding author: Thankappan Rajamohan, Department of Biochemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695881, India, Phone: +91-09847226610, Fax: 91 0471 2308078, E-mail:

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Received: 2014-12-4
Accepted: 2015-5-5
Published Online: 2015-7-4
Published in Print: 2015-11-1

©2015 by De Gruyter

Artikel in diesem Heft

  1. Frontmatter
  2. Behavior and Neuroprotection
  3. Neurobehavioural evaluation of Lophira alata (Ochnaceae) stem bark extract in mice
  4. Cardiovascular Function
  5. Altered cardiovascular autonomic function in young normotensive offspring of hypertensive parents – Is obesity an additional risk factor?
  6. Atheromic and lymphoplasmacytic effects of Mangifera indica methanolic leaf extract on the heart of chinchilla rabbits
  7. Cardiovascular-Pulmonary Interactions
  8. Prevalence of cardiovascular risk factors and management practices of acute coronary syndrome in a tertiary care hospital
  9. Oxidative Stress
  10. Effect of homopterocarpin, an isoflavonoid from Pterocarpuserinaceus, on indices of liver injury and oxidative stress in acetaminophen-provoked hepatotoxicity
  11. Metabolism
  12. Activation of insulin signaling and energy sensing network by AICAR, an AMPK activator in insulin resistant rat tissues
  13. Mature coconut water exhibits antidiabetic and antithrombotic potential via L-arginine-nitric oxide pathway in alloxan induced diabetic rats
  14. Methanolic extract of Moringa oleifera leaves improves glucose tolerance, glycogen synthesis and lipid metabolism in alloxan-induced diabetic rats
  15. Morphological changes in the pancreas and glucose reduction of the aqueous extract of Costus afer leaf on alloxan-induced diabetic rats
  16. Immune Response
  17. Immunomodulatory activity of methanolic leaf extract of Moringa oleifera in Wistar albino rats
  18. Immune response modulatory effect of Emilia sonchifolia (L.) DC: an in vivo experimental study
  19. Inflammation
  20. Thymoquinone ameliorates NLRP3-mediated inflammation in the pancreas of albino Wistar rats fed ethanol and high-fat diet
  21. Miscellaneous
  22. Perceptions and practices of self-medication in healthcare and nonhealthcare university students in South India
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