Paper Information

Title: 

CORRELATION BETWEEN PHENOLIC CONTENTS AND FREE RADICAL SCAVENGER

Type: POSTER
Author(s): KHANAVI M.*,HAJI MAHMOUDI MANAN,CHERAGHI NIROUMAND M.,KARGAR Z.,AJANI Y.,HAJI AKHOUNDI A.,OVEYSI M.R.
 
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Name of Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Type of Seminar:  CONGRESS
Sponsor:  PHYSIOLOGY AND PHARMACOLOGY SOCIETY, MASHHAD UNIVERSITY OF MEDICAL SCIENCE
Date:  2009Volume 19
 
 
Abstract: 

The genus Stachys is noticed due to its vast distribution in the world and reports of its different pharmacologic effects and traditional medicine applications. Some of the species of this genus are known as important antioxidants. In this studyantioxidant effect and total phenolic content of nine Stachys species were investigated for the first time.
The Methanolic extracts of the aerial parts of nine Stachys species: S. persica Gmel., S. fruticulosa M. B., S. laxa Boiss. & Buhse., S. inflata Benth., S. turcomanica Trautv., S. subaphylla Rech. F., S. setifera C. A. Mey., S.byzantina C. Koch and S.trinervis Aitch. & Hemsl. were investigated on their antioxidant activity and total phenolic content. They were determined by using FRAP and Folin-Ciocalteu assays respectively. S. persica Gmel., S. fruticulosa M. B. had the highest antioxidant activity (61.42mmol/100g, 62.02mmol/100g) and total phenolic content (3294.96mg/100g, 4450.36mg/100g) among these nine species.
There was a direct correlation between total phenol and antioxidant activity (R2=0.9446) which can indicates that polyphenols are the main antioxidants.

 
Keyword(s): GENUS STACHYS, ANTIOXIDANT ACTIVITY, TOTAL PHENOLIC CONTENT
 
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