4.6 Article

Antioxidants from the Brown Alga Dictyopteris undulata

Journal

MOLECULES
Volume 23, Issue 5, Pages -

Publisher

MDPI
DOI: 10.3390/molecules23051214

Keywords

Dictyopteris undulata; antioxidant; sesquiterpene hydroquinone

Funding

  1. JSPS KAKENHI [16H04975]
  2. Grants-in-Aid for Scientific Research [16H04975] Funding Source: KAKEN

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An investigation of anti-oxidative compounds from the brown alga Dictyopteris undulata has led to the isolation and identification of isozonarol, isozonarone, chromazonarol, zonaroic acid and isozonaroic acid. Their structures were identified by comparison of MS and NMR spectra. Full NMR assignment and absolute configuration of isozonaroic acid are described. Isozonarol showed the most potent 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity among the compounds isolated.

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