Cluster Analysis of GC Data on Oxygenated Terpenes of Young Leaf and Green Fruit Samples of Japanese Pepper (Xanthoxyum piperitum DC.)

Mitsuya Shimoda, Yin Wu, Shigeyuki Nonaka, Yutaka Osajima

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Abstract

Cluster analysis was applied to the GC data on oxygenated terpenes of various samples of young leaves and green fruits of Japanese pepper (Xanthoxyum piperitum DC.) to select superior cultivars rich in flavoring potency. Of 74 leaf samples, six samples were rich in citronellal, linalool, isopulegol, piperitone, geranyl acetate, citronellol, and geraniol. Of 71 fruit samples, three samples were rich in isopulegol, piperitone, geranyl acetate, methoxycitronellal, and geraniol, and nine samples were rich in citronellal, linalool, citronellyl acetate, γ-terpineol, and citronellol. Similarity in the clusterings of the leaf and fruit samples were not observed. Of 78 plants, only one plant gave young leaves and green fruits rich in citronellal, linalool, isopulegol, geranyl acetate, and citronellol.

Original languageEnglish
Pages (from-to)1325-1328
Number of pages4
JournalJournal of Agricultural and Food Chemistry
Volume45
Issue number4
Publication statusPublished - Apr 1997

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All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences (miscellaneous)
  • Food Science
  • Chemistry (miscellaneous)

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