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Evaluation of antioxidant compounds, antioxidant activities, and mineral composition of 13 collected purslane (Portulaca oleracea L.) accessions


Citation

Alam, Md. Amirul and Juraimi, Abdul Shukor and Yusop, Mohd Rafii and Abdul Hamid, Azizah and Aslani, Farzad and Hasan, M. M. and Mohd Zainudin, Mohd Asraf and Uddin, Md. Kamal (2014) Evaluation of antioxidant compounds, antioxidant activities, and mineral composition of 13 collected purslane (Portulaca oleracea L.) accessions. BioMed Research International, 2014. art. no. 296063. pp. 1-10. ISSN 2314-6133; ESSN: 2314-6141

Abstract / Synopsis

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 0.96 ± 0.04 to 9.12 ± 0.29 mg GAE/g DW, 0.13 ± 0.04 to 1.44 ± 0.08 mg RE/g DW, and 0.52 ± 0.06 to 5.64 ± 0.09 mg (β-carotene equivalent) BCE/g DW, respectively. The DPPH scavenging (IC50) activity varied between 2.52 ± 0.03 mg/mL and 3.29 ± 0.01 mg/mL and FRAP ranged from 7.39 ± 0.08 to 104.2 ± 6.34 mol 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.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Food Science and Technology
Institute of Tropical Agriculture
DOI Number: 10.1155/2014/296063
Publisher: Hindawi Publishing Corporation
Keywords: Antioxidant; Purslane; Mineral
Depositing User: Nabilah Mustapa
Date Deposited: 18 Dec 2015 10:56
Last Modified: 18 Dec 2015 10:56
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1155/2014/296063
URI: http://psasir.upm.edu.my/id/eprint/37521
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