Triterpene saponins from debittered quinoa (Chenopodium quinoa) seeds

Nanqun Zhu, Shuqun Sheng, Shengmin Sang, Jin Woo Jhoo, Naisheng Bai, Mukund Karwe, Robert T. Rosen, Chi-Tang Ho

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

Twelve triterpene saponins have been isolated from the debittered seeds of quinoa (Chenopodium quinoa), and their structures were characterized on the basis of hydrolysis and spectral data, especially NMR evidence. Among them, three compounds, including 3-O-β-D-glucuropyranosyl oleanolic acid (1), 3-O-β-D-glucopyranosyl-(1→3)-α-L-arabinopyranosyl hederagenin (2), and the new compound 3-O-β-D-glucopyranosyl-(1→3)-α-L-arabinopyranosyl-30-O-methyl spergulagenate 28-O-β-D-glucopyranosyl ester (3), are identified for the first time from quinoa seeds. The other isolated saponins have been previously reported in quinoa.

Original languageEnglish (US)
Pages (from-to)865-867
Number of pages3
JournalJournal of agricultural and food chemistry
Volume50
Issue number4
DOIs
StatePublished - Feb 13 2002

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Keywords

  • Chenopodium quinoa
  • NMR
  • Quinoa seeds
  • Triterpene saponins

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