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ABSTRACT
Annona muricata is an ever green tree which bears fruit known as Soursop whose fruits and leaves are used medicinally. Annona Muricata is known to contain several phytochemicals including alkaloids, flavonoids, carbohydrates, cardial proteins (Edeoga et al., 2005). Many of these phytochemicals have antioxidant properties and are responsible for positive therapeutic effects of soursop. Antioxidants are compounds that help neutralize harmful compounds called free radicals which can cause damage to cells. Some researches shows that antioxidants could play a role in reducing the risk of several diseases, including heart disease, cancer, and diabetes (Mason et al., 1993, Nishino et al., 2004, Bajaj and Khan, 2012). This research was designed to assess the antioxidant status or potentials by looking at the DPPH radical scavenging properties and Iron chelating abilities of the plants using Aqueous and Chloroform extracts. The Annona muricata fruits and leaves were prepared into extracts and certain amounts were added into DPPH and Iron and readings were taken. It was observed that in DPPH, the Chloroform extracts (IC50= 20.17 for leaf and IC50= 21.26 for fruits) performed better than Aqueous extracts (IC50= 61.42 for leaf and IC50= 66.20 for fruits). Also, for Iron chelating the Chloroform extract (IC50=53.37 for leaf and IC50= 47.69 for fruits) performed than the Aqueous extract ( IC50= 97.07 for leaf and IC50= 87.44 for fruits) even though it didn’t perform better than the standard EDTA (IC50= 2.045 for leaf and IC50= 2.045 for fruit). Conclusively, the Chloroform extracts performed better than the Aqueous extracts.
