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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Free radical scavengers from the heartwood of Juniperus chinensis.

The antioxidant activity of Juniperus chinensis (Cupressaceae) was determined by measuring the radical scavenging effect on DPPH (1,1-diphenyl-2-picrylhydrazyl). The methanolic extract of J. chinensis heartwood showed the strong antioxidant activity. The antioxidant activity of n-BuOH soluble fraction was stronger than that of the others, and the fraction was subjected to purification by repeated silica gel and Sephadex LH-20 column chromatography. Quercetin, naringenin, taxifolin, aromadendrin and isoquercitrin were isolated from the n-BuOH fraction. Their structures were elucidated by physico-chemical and spectroscopic studies.[1]

References

  1. Free radical scavengers from the heartwood of Juniperus chinensis. Lim, J.P., Song, Y.C., Kim, J.W., Ku, C.H., Eun, J.S., Leem, K.H., Kim, D.K. Arch. Pharm. Res. (2002) [Pubmed]
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