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Int. J. Mol. Sci. 2012, 13(6), 6651-6664; doi:10.3390/ijms13066651

Proximate Composition and Antioxidant Potential of Leaves from Three Varieties of Mulberry (Morus sp.): A Comparative Study

1
Department of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
2
National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan
3
Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
4
Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad 38040, Pakistan
5
Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
*
Author to whom correspondence should be addressed.
Received: 16 April 2012 / Revised: 9 May 2012 / Accepted: 14 May 2012 / Published: 30 May 2012
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

In this study, leaves of three indigenous varieties of Mulberry namely, Morus alba L., Morus nigra L. and Morus rubra L. were investigated for their antioxidant potential and their proximate composition was determined. The yields of 80% methanolic extracts ranged between 8.28–13.89%. The contents of total phenolics (TPC), total flavonoids (TFC) and ascorbic acid (AA) ranged between 16.21–24.37 mg gallic acid equivalent (GAE)/g, 26.41–31.28 mg rutin equivalent (RE)/g and 0.97–1.49 mg/g, respectively. The antioxidant activity of leaf extracts was evaluated by measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging actity, 2,2'-azino-bis-(3-ethylbenzthiazoline-6-sulphonic acid (ABTS•+) radical cation scavenging capacity and ferric ion reducing power and values ranged between 1.89–2.12, 6.12–9.89 and 0.56–0.97 mM Trolox equivalent/g of dried leaves, respectively. The investigated features reveal good nutritive and antioxidant attributes of all the varieties with mutually significant differences. View Full-Text
Keywords: mulberry leaves; varieties; proximate composition; antioxidant activity mulberry leaves; varieties; proximate composition; antioxidant activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Iqbal, S.; Younas, U.; Sirajuddin; Chan, K.W.; Sarfraz, R.A.; Uddin, M.K. Proximate Composition and Antioxidant Potential of Leaves from Three Varieties of Mulberry (Morus sp.): A Comparative Study. Int. J. Mol. Sci. 2012, 13, 6651-6664.

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