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Antioxidant capacities and total phenolic contents enhancement with acute gamma irradiation in Curcuma alismatifolia (Zingiberaceae) leaves


Citation

Taheri, Sima and Abdullah, Thohirah Lee and Karimi, Ehsan and Oskoueian, Ehsan and Ebrahimi, Mahdi (2014) Antioxidant capacities and total phenolic contents enhancement with acute gamma irradiation in Curcuma alismatifolia (Zingiberaceae) leaves. International Journal of Molecular Sciences, 15 (7). pp. 13077-13090. ISSN 1422-0067

Abstract

The present study was conducted in order to assess the effect of various doses of acute gamma irradiation (0, 10, 15, and 20 Gy) on the improvement of bioactive compounds and their antioxidant properties of Curcuma alismatifolia var. Sweet pink. The high performance liquid chromatography (HPLC) and gas chromatography (GC) analysis uncovered that various types of phenolic, flavonoid compounds, and fatty acids gradually altered in response to radiation doses. On the other hand, antioxidant activities determined by 1,1-Diphenyl-2-picryl-hydrazyl (DPPH), ferric reduction, antioxidant power (FRAP), and 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) radical scavenging assay showed a higher irradiation level significantly increased the antioxidant properties. This study revealed an efficient effect of varying levels of gamma radiation, based on the pharmaceutical demand to enhance the accumulation and distribution of bioactive compounds such as phenolic and flavonoid compounds, fatty acids, as well as their antioxidant activities in the leaves of C. alismatifolia var. Sweet pink.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Veterinary Medicine
Institute of Tropical Agriculture
DOI Number: https://doi.org/10.3390/ijms150713077
Publisher: MDPI AG
Keywords: Antioxidant activity; Bioactive compounds; Curcuma alismatifoli; Gamma irradiation
Depositing User: Nabilah Mustapa
Date Deposited: 02 Jun 2015 12:27
Last Modified: 01 Dec 2015 02:24
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.3390/ijms150713077
URI: http://psasir.upm.edu.my/id/eprint/36493
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