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Int. J. Mol. Sci. 2012, 13(2), 2472-2480; doi:10.3390/ijms13022472
Article

Antioxidant Activity of Mulberry Fruit Extracts

1
, 1
, 2
 and 2,*
Received: 13 December 2011; in revised form: 16 February 2012 / Accepted: 16 February 2012 / Published: 22 February 2012
(This article belongs to the Special Issue Antioxidants)
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Abstract: Phenolic compounds were extracted from the fruits of Morus nigra and Morus alba using methanol and acetone. The sugar-free extracts (SFEs) were prepared using Amberlite XAD-16 column chromatography. All of the SFEs exhibited antioxidant potential as determined by ABTS (0.75–1.25 mmol Trolox/g), DPPH (2,2-diphenyl-1-picrylhydrazyl) (EC50 from 48 μg/mL to 79 μg/mL), and reducing power assays. However, a stronger activity was noted for the SFEs obtained from Morus nigra fruits. These extracts also possessed the highest contents of total phenolics: 164 mg/g (methanolic SFE) and 173 mg/g (acetonic SFE). The presence of phenolic acids and flavonoids in the extracts was confirmed using HPLC method and chlorogenic acid and rutin were found as the dominant phenolic constituents in the SFEs.
Keywords: mulberry; Morus nigra; Morus alba; antioxidants; phenolic compounds mulberry; Morus nigra; Morus alba; antioxidants; phenolic compounds
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.

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MDPI and ACS Style

Arfan, M.; Khan, R.; Rybarczyk, A.; Amarowicz, R. Antioxidant Activity of Mulberry Fruit Extracts. Int. J. Mol. Sci. 2012, 13, 2472-2480.

AMA Style

Arfan M, Khan R, Rybarczyk A, Amarowicz R. Antioxidant Activity of Mulberry Fruit Extracts. International Journal of Molecular Sciences. 2012; 13(2):2472-2480.

Chicago/Turabian Style

Arfan, Muhammad; Khan, Rasool; Rybarczyk, Anna; Amarowicz, Ryszard. 2012. "Antioxidant Activity of Mulberry Fruit Extracts." Int. J. Mol. Sci. 13, no. 2: 2472-2480.


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