Photo-induced synthesis of tomatidenol-based glycoalkaloids in Solanum phureja tubers

D. Wynne Griffiths, Henry Bain, Nigel Deighton, Graeme W. Robertson, M. Finlay B. Dale

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

The effect of light exposure on the steroidal glycoalkaloid content of Solanum phureja tubers has been investigated and compared with that in domesticated potato (Solanum tuberosum) tubers. The results indicated that the increase in the concentration of solanidine-based glycoalkaloids, ᾱ- solanine and ᾱ-chaconine was broadly similar in both species. However, in the S. phureja tubers, light exposure also induced the synthesis of tomatidenol-based glycoalkaloids. These have been identified as α- and β- solamarine. These glycoalkaloids were not detected in tubers continually stored in darkness. (C) 2000 Elsevier Science Ltd.

Original languageEnglish (US)
Pages (from-to)739-745
Number of pages7
JournalPhytochemistry
Volume53
Issue number7
DOIs
StatePublished - Apr 1 2000

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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