Antioxidant Phenolic Constituents from the Leaves of Acer ginnala var aidzuense


Affiliations

  • School of Pharmacy, ., Japan
  • Program for Leading Graduate School,, HIGO Program, Kumamoto University, Oe-honmachi, Chuo-ku, Kumamoto, Japan

Abstract

Acer ginnala Maxim. var. aidzuense (Franch.) Pax was reported recently from Kumamoto Prefecture, Japan after many years. Thus, the main objective of present study was to identify the chemical constituents in the leaves of title plant and evaluate the antioxidant activity of the extract and isolated compounds. Gallic acid (1), methyl gallate (2) and acertannin (3) were isolated from the 70% MeOH extract of the leaves. The extract and all isolated compounds showed potent antioxidant activity.

Keywords

Acer ginnala var. aidzuense, Acertannin, Gallic Acid, Karakogi-Kaede

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