Antioxidant Properties of Popular Turmeric (Curcuma longa) Varieties from Bangladesh

Tanvir, E. M. and Hossen, Md. Sakib and Hossain, Md. Fuad and Afroz, Rizwana and Siew, Hua Gan and Khalil, Md. Ibrahim and Karim, Nurul (2017) Antioxidant Properties of Popular Turmeric (Curcuma longa) Varieties from Bangladesh. Journal of Food Quality, 2017 (847178). pp. 1-8. ISSN 0146-9428

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We investigated the aqueous and ethanolic extracts of different forms (local names: mura and chora) of turmeric (Curcuma longa) from the Khulna and Chittagong divisions of Bangladesh for their antioxidant properties and polyphenol, flavonoid, tannin, and ascorbic acid contents. The antioxidant activity was determined using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radicalscavenging activity and ferric reducing antioxidant power (FRAP) values. The ethanolic extract of Chittagong’s mura contained the highest concentrations of polyphenols (16.07%), flavonoids (9.66%), and ascorbic acid (0.09mg/100 g) and chora resulted in high yields (17.39%). The ethanolic extract of Khulna’s mura showed a higher DPPH radical-scavenging activity with the lowest 50% inhibitory concentration (IC50) (1.08

Item Type: Article
Additional Information: Article ID 8471785
Subjects: R Medicine > R Medicine (General) > R5-130.5 General works
Divisions: Kampus Kesihatan (Health Campus) > Pusat Pengajian Sains Perubatan (School of Medical Sciences) > Article
Depositing User: Mr Noorazilan Noordin
Date Deposited: 27 Sep 2017 07:10
Last Modified: 27 Sep 2017 07:10

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