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Abstract

ANTIOXIDANT POTENTIAL OF LEAF EXTRACT OFPeltophorum pterocarpum(DC.)Baker ex.K. Heyne

Author(s): B.AMALA*,A.ESWARI ANDT.V. POONGUZHALI

Antioxidants prevents oxidative damage caused by free radicals and can be used in cardiovascular and anti-inflammatory diseases. The presence of natural antioxidants in plants  is  well  known.  The  present  study  is  undertaken  to  evaluate  the  phytochemical  constituents,  total  phenol,  total  flavonoid  and  anti-oxidant  activity  of  the  plant Peltophorum  pterocarpum.  The extracts  of  leaves  of P.  pterocarpumcontains  terpenoids,  flavanoids,  steroids,  phenols,  cardioglycosides,  quinines,  coumarins  and  tannins. Presence  of  these  phytochemicals  have  ability  for  curing  various  ailments  and  possess  potential  anti-inflammatory,  antimicrobial  and  antioxidant  activities.  The  in-vitro antioxidant  activity  was  determined  by  the  method  of  DPPH  radical  scavenging  assay.  The  result  shows  that  ethanolic  extract  of P.  pterocarpumleaves  had  highest antioxidant activity (94%) using DPPH method. Thus the in-vitro studies clearly indicate that the leaves extract of P. pterocarpumshows significant antioxidant activity which would be helpful in prevention of various oxidative stresses.

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