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Official Journal of the Japan Wood Research Society

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Antioxidant compounds from Eucalyptus grandis biomass by subcritical liquid water extraction

Journal of Wood Science volume 54, pages 153–157 (2008)Cite this article

Abstract

The effectiveness of subcritical liquid water processing for extraction of antioxidants from the leaves of Eucalyptus grandis biomass was evaluated by determining the capability of the processed samples to scavenge peroxynitrite radicals in vitro, as compared with the extracts obtained by conventional extraction. Pyrogallol (1), 5-hydroxymethyl-2-furaldehyde (2), and 4,4,6,6-tetramethyl-3,5-dioxo-cyclohex-1-enecarboxylic acid (3) were identified as the major products obtained from the subcritical liquid water extracts. Among these, pyrogallol (1) exhibited stronger antioxidant activity than butylated hydroxytoluene, which was used as a standard for the antioxidant activity measurement.

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Authors and Affiliations

  1. United Graduate School of Agricultural Science, Gifu University, Gifu, 501-1193, Japan

    Aditya Kulkarni

  2. Faculty of Agriculture, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan

    Shunsuke Suzuki & Hideo Etoh

Authors
  1. Aditya Kulkarni
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  2. Shunsuke Suzuki
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  3. Hideo Etoh
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Corresponding author

Correspondence to Hideo Etoh.

Additional information

This research was presented at the conference of the Japan Society for Bioscience, Biotechnology, and Agrochemistry (JSBBA) in Tokyo, March 2007.

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Kulkarni, A., Suzuki, S. & Etoh, H. Antioxidant compounds from Eucalyptus grandis biomass by subcritical liquid water extraction. J Wood Sci 54, 153–157 (2008). https://doi.org/10.1007/s10086-007-0916-6

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  • DOI: https://doi.org/10.1007/s10086-007-0916-6

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