Prenylation of Xanthone Extract from Mangosteen (Garcinia mangostana L.) Rind by Using Superbase Catalyst of γ-Alumina/NaOH/Na and Antioxidant Activity Test

Antonius Herry Cahyana, Widayanti Wibowo, Iman Abdullah

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Interest has been shown in the xanthone compounds from waste of fruit processing of mangosteen (Garcinia mangostana L.) because of their interesting pharmacological activities. In an effort to develop novel antioxidant agent, the prenylation reaction of xanthone-rich mangosteen have been tried and studied by using super base catalyst. The heterogeneous superbase catalyst γ-Al2O3/NaOH/Na was prepared using industrial waste of aluminium scrap and was analyzed using XRD. This catalyst was then applied under mild condition. The identification of the new prenylated xanthone-rich mangosteen were established by IR, UV and LC-MS techniques. The result showed, pericarp of mangosteen contained four xanthone derivatives and the LC-MS data of the products reaction showed a molecular ion at m/z 478.425 and the present results suggested that xanthone derivative i.e., α-mangosteen linking a new prenyl group. The prenylated products enhanced their antioxidant activity.

Original languageEnglish
Pages (from-to)2228-2230
Number of pages3
JournalAsian Journal of Chemistry
Volume27
Issue number6
DOIs
Publication statusPublished - 1 Jun 2015

Keywords

  • Garcinia mangostana L.
  • Prenylation
  • Superbase catalyst
  • Xanthone

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