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Crystal Structure and Antioxidant Activity of 6-Gingerol Oxime

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Abstract:

Under the acidic condition, 6-gingerol (C17H26O4) reacted with hydroxylamine to generate 6-gingerol oxime (C17H27NO4). Single-crystal X-ray diffraction with CuKα radiation (λ = 1.54184 Å) revealed the crystal belongs to the orthorhombic system, the space ground is P212121 with a = 5.24240(10), b = 25.7792(4), c = 25.9824(5) Å, V = 3511.39(11) Å3, Z = 8, Mr = 309.40, Dc = 1.171mg/mm3, μ = 0.669mm-1, S = 1.035, F(000) = 1344.0, the final wR2 was 0.1132 (all data) and R1 was 0.0412 [I>2σ (I)]. Two molecules compose one monomeric unit in the crystal. And the hydrogen bonds construct the dimer and the integral crystal spacial structure. The antioxidant activity of the 6-gingerol oxime was tested by the scavenging effect on DPPH radical and potassium ferricyanide reducing power test while Vitamin C was regarded as the comparison. The IC50 of the oxime for the scavenging effect on DPPH was 0.0471 g/L which was less strong than Vitamin C. The reducing power of Vitamin C was about three times powerful than the 6-gingerol oxime.

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Periodical:

Applied Mechanics and Materials (Volume 703)

Pages:

29-32

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.703.29

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Online since:

December 2014

Authors:

Na Wang*, Si Yu Liu, Xue Song Huang

Keywords:

6-Gingerol, 6-gingerol Oxime, Antioxidation, Crystal

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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