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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 3.0).
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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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