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BioMed Research International
Volume 2014, Article ID 296063, 10 pages
http://dx.doi.org/10.1155/2014/296063
Research Article

Evaluation of Antioxidant Compounds, Antioxidant Activities, and Mineral Composition of 13 Collected Purslane (Portulaca oleracea L.) Accessions

1Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
2Institute of Tropical Agriculture, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
3Faculty of Food Science and Technology, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia

Received 3 September 2013; Revised 20 October 2013; Accepted 21 October 2013; Published 21 January 2014

Academic Editor: John B. Vincent

Copyright © 2014 Md. Amirul Alam et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The methanolic extracts of 13 accessions of purslane were analyzed for their total phenol content (TPC), total flavonoid contents (TFC), and total carotenoid contents (TCC) and antioxidant activity of extracts was screened using FRAP assay and DPPH radical scavenging methods. The TPC, TFC, and TCC ranged from to  mg GAE/g DW, to  mg RE/g DW, and to  mg (β-carotene equivalent) BCE/g DW, respectively. The DPPH scavenging (IC50) activity varied between  mg/mL and  mg/mL and FRAP ranged from to μmol TE/g DW. Among all the measured micro- and macrominerals K content was the highest followed by N, Na, Ca, Mg, P, Fe, Zn, and Mn. The overall findings proved that ornamental purslane was richer in antioxidant properties, whereas common purslane possesses more mineral contents than ornamental ones.