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Int. J. Mol. Sci. 2011, 12(8), 4946-4952; doi:10.3390/ijms12084946
Article

A New Benzofuran Glucoside from Ficus Tikoua Bur

1,2,3
,
4
,
3
,
1,2,3
 and
1,2,3,*
1 State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A & F University, Yangling 712100, Shaanxi, China 2 Key Laboratory of Plant Protection Resources and Pest Integrated Management, Ministry of Education, College of Plant Protection, Northwest A & F University, Yangling 712100, Shaanxi, China 3 Shaanxi Province Key Laboratory Research & Development on Botanical Pesticide, Northwest A & F University, Yangling 712100, Shaanxi, China 4 Xi’an Modern Chemistry Research Institute, Xi’an 710065, Shaanxi, China
* Author to whom correspondence should be addressed.
Received: 11 July 2011 / Revised: 22 July 2011 / Accepted: 26 July 2011 / Published: 3 August 2011
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

From the water-soluble portion of the methanol extract of stems of Ficus tikoua Bur., a new benzofuran glucoside, named 6-carboxyethyl-5-hydroxybenzofuran 5-O-β-D-glucopyranoside (1), together with one known benzofuran glucoside (2) were isolated. Their structures were elucidated by 1D and 2D (1H-1H COSY, HMQC, and HMBC) NMR spectroscopy and HRMS techniques. The antioxidant activities of the isolated compounds were assayed based on the scavenging activities of DPPH free radical. Compounds 1 and 2 exhibited moderate antioxidant activities, and the IC50 values were 242.8 μg·mL1 and 324.9 μg·mL−1, respectively.
Keywords: Ficus tikoua Bur.; benzofuran glucoside; antioxidant activity Ficus tikoua Bur.; benzofuran glucoside; antioxidant activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Wei, S.-P.; Luan, J.-Y.; Lu, L.-N.; Wu, W.-J.; Ji, Z.-Q. A New Benzofuran Glucoside from Ficus Tikoua Bur. Int. J. Mol. Sci. 2011, 12, 4946-4952.

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