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Molecules 2013, 18(11), 13823-13830; doi:10.3390/molecules181113823
Article

Corncobs as a Potential Source of Functional Chemicals

1,2, 2, 2, 1,* , 1 and 2,3
1 Department of Agro-environmental Sciences, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan 2 Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt 3 Department of Pharmacognosy, Faculty of Pharmacy, Delta University for Science and Technology, Mansoura 35516, Egypt
* Author to whom correspondence should be addressed.
Received: 8 October 2013 / Revised: 6 November 2013 / Accepted: 7 November 2013 / Published: 8 November 2013
(This article belongs to the Section Natural Products)
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Abstract

Phytochemical examination of corncob extracts led to the isolation of a new lignan identified as 7,7'-dihydroxy-3'-O-demethyl-4-methoxymatairesinol, together with seven known compounds, identified as β-sitosterol, β-sitosteryl-β-D-glucoside, 6β-hydroxy-campest-4-en-3-one, 5α,8α-epidioxyergosta-6,22-dien-3β-ol, tricin, kaempferol and p-coumaric acid. The isolated compounds were identified by one and two-dimensional NMR spectroscopies and mass spectrometry.
Keywords: matairesinol derivative; corncobs; agricultural waste matairesinol derivative; corncobs; agricultural waste
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Ashour, A.; Amer, M.; Marzouk, A.; Shimizu, K.; Kondo, R.; El-Sharkawy, S. Corncobs as a Potential Source of Functional Chemicals. Molecules 2013, 18, 13823-13830.

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