Int. J. Mol. Sci. 2011, 12(9), 6077-6088; doi:10.3390/ijms12096077
Article

Effect of Different Parts (Leaf, Stem and Stalk) and Seasons (Summer and Winter) on the Chemical Compositions and Antioxidant Activity of Moringa oleifera

Received: 16 June 2011; in revised form: 30 August 2011 / Accepted: 13 September 2011 / Published: 19 September 2011
(This article belongs to the Section Bioactives and Nutraceuticals)
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.
Abstract: Moringa oleifera, Lam. (Moringaceae) is grown world-wide in the tropics and sub-tropics of Asia and Africa and contains abundant various nutrients. This study describes the effect of different parts (leaf, stem and stalk) and seasons (summer and winter) on the chemical compositions and antioxidant activity of M. oleifera grown in Taiwan. The results showed that the winter samples of Moringa had higher ash (except the stalk part), calcium and phenolic compounds (except the leaf part) and stronger antioxidative activity than summer samples. The methanolic extract of Moringa showed strong scavenging effect of DPPH radicals and reducing power. The trend of antioxidative activity as a function of the part of Moringa was: leaf > stem > stalk for samples from both seasons investigated. The Moringa extract showed strong hydrogen peroxide scavenging activity and high Superoxide Dismutase (SOD) activity except the stalk part.
Keywords: Moringa oleifera; antioxidative activity; extract; season
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MDPI and ACS Style

Shih, M.-C.; Chang, C.-M.; Kang, S.-M.; Tsai, M.-L. Effect of Different Parts (Leaf, Stem and Stalk) and Seasons (Summer and Winter) on the Chemical Compositions and Antioxidant Activity of Moringa oleifera. Int. J. Mol. Sci. 2011, 12, 6077-6088.

AMA Style

Shih M-C, Chang C-M, Kang S-M, Tsai M-L. Effect of Different Parts (Leaf, Stem and Stalk) and Seasons (Summer and Winter) on the Chemical Compositions and Antioxidant Activity of Moringa oleifera. International Journal of Molecular Sciences. 2011; 12(9):6077-6088.

Chicago/Turabian Style

Shih, Ming-Chih; Chang, Cheng-Ming; Kang, Sue-Ming; Tsai, Min-Lang. 2011. "Effect of Different Parts (Leaf, Stem and Stalk) and Seasons (Summer and Winter) on the Chemical Compositions and Antioxidant Activity of Moringa oleifera." Int. J. Mol. Sci. 12, no. 9: 6077-6088.

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