Antioxidant Activities of Ethanol Extracts from Zanthoxylum avicennae

Xi Feng Li; Nan Nan Zheng; Lu Tang; Wei Xiao Zhang; You Xu Wang; Shuo An; Yan Qin Zhu

doi:10.4028/www.scientific.net/AMM.472.801

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 472Antioxidant Activities of Ethanol Extracts from...

Antioxidant Activities of Ethanol Extracts from Zanthoxylum avicennae

Abstract:

The Zanthoxylum avicennae 95% EtoH extracts after concentration were dissolved in H₂O and extracted with EtoAc and n-BuOH Successively. The n-BuOH layer was added to Diaion HP-20 macroporous resin column, then the resin was washed by distilled water to get rid of impurity, then washed by 20%, 40% and 60% methanol individually, and obtained M₂₀, M₄₀ and M₆₀ respectively. And antioxidant activity was assessed using three methods: DPPH radical-scavenging activity, ABTS⁺radical-scavenging activity, ferric reducing antioxidant power (FRAP) assay. The results indicate that TEAC value of M₄₀ were higher than other part extracted from Zanthoxylum avicennae 95% EtoH extracts during three methods .The results of the experiments also can find M₄₀ is the strongest antioxidant activity part in Zanthoxylum avicennae 95% EtoH extracts and provide reference for further isolating the part M₄₀.

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Periodical:

Applied Mechanics and Materials (Volume 472)

Pages:

801-804

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.472.801

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Online since:

January 2014

Authors:

Xi Feng Li, Nan Nan Zheng, Lu Tang, Wei Xiao Zhang, You Xu Wang, Shuo An, Yan Qin Zhu

Keywords:

ABTS, Antioxidant Activity, DPPH, FRAP, Zanthoxylum avicennae

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