Abstract

Thippavathi V. N. Jayasree*, Satla Manoj Kumar, T. Rama Rao and Belide Pavani

ABSTRACT

In present scenario number of abstracts and research articles were published for evaluating antioxidant activity of several samples. Where researches gone through 407 methods which are repeated from 29 different methods. These methods are classified into invitro and in vivo methods. These methods are described in review article. In next part of review article invitro and in vivo methods are analyzed. Solvents are commonly used to extract antioxidants from natural sources. In later part of this article results of above methods are described. Currently for the evaluation of antioxidant activity of the sample 19 in vivo methods 10invitro methods are used, some of them are discussed in this article. LPO is mostly used in vivo antioxidant assay while DPPH method is used for invitro antioxidant activity evaluation. Ethanol is highly used as solvent for extraction purpose.