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  • Title: Vitamin e supplementation with rauwolfia vomitoria root bark extract improves hematological indices.
    Author: Isaiah AM, Olawale O, Effiong EE, Idongesit NJ, Fidelis UA, Friday UU.
    Journal: N Am J Med Sci; 2012 Feb; 4(2):86-9. PubMed ID: 22408754.
    Abstract:
    BACKGROUND: Vitamin supplementation in Rauwolfia vomitoria root bark extract administration may interact and impact significantly on hematology of albino Wistar rats. AIM: In this investigation we studied vitamin E supplementation with Rauwolfia vomitoria root bark extract on the hematology of experimental animals. MATERIALS AND METHODS: Forty two rats weighing 200 - 230 g were randomly selected into six groups of seven animals each. Group 1 animals serve as controls; group 2 received vitamin E (10 IU/kg body weight). Groups 3 and 4 were given the extract (150 and 300 mg/kg body weight) respectively. Groups 5 and 6 were given vitamin E (10 IU/kg body weight), the extract (150 and 300 mg/kg body weight) respectively. The extract and the vitamin were administered daily by oral intubation. Blood samples analyzed for hematological indices. RESULTS: Decrease in white blood cell count (WBC) was observed, indicating improved immunity of animals. Extract at 150 and 300 mg/kg body weight with and without vitamin E affected hemoglobin and packed cell volume. CONCLUSION: Rauwolfia vomitoria with or without vitamin E improved animal's immunity and enhances their hematology. Interaction of vitamin E with the extract affects medicinal therapeutics of this plant.
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