Phenylethanoid Glycosides from Teak Wood Knots and Their Antioxidant Activity

D.E. TsvetkovN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991Moscow, Russian Federation

A. S. DmitrenokN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991Moscow, Russian Federation

Yu. E. TsvetkovN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991Moscow, Russian Federation

V. M. MenshovN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991Moscow, Russian Federation

D.V. YashunskyV.N. Orehovicha Institute of Biomedical Chemistry, 10/8 Pogodinskaya street, 119121Moscow, Russia

A. Ya. Yashin InterLab, Inc., 12a Selskohozyaistvennaya street, 129226Moscow, Russia

Ya. I. Yashin InterLab, Inc., 12a Selskohozyaistvennaya street, 129226Moscow, Russia

Rakesh KumarChemistry Division, Forest Research Institute, Dehradun- 248006, India

V.K. VarshneyChemistry Division, Forest Research Institute, Dehradun- 248006, IndiaCorrespondence[email protected]

N.E. NifantievN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991Moscow, Russian FederationCorrespondence[email protected]

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Abstract

Two phenylethanoid glycosides previously not observed in Tectona grandis (teak) wood knots were isolated from 30% aqueous isopropanol extract, purified by HPLC and identified as forsytoside B and isoacteoside by methods of NMR spectroscopy and mass-spectrometry. These compounds displayed notable antioxidant capacity determined using amperometric method.

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Phenylethanoid Glycosides from Teak Wood Knots and Their Antioxidant Activity

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