The effect of growth regulators and sucrose on anthocyanin production in Camptotheca acuminata cell cultures

  • Pasqua G
  • Monacelli B
  • Mulinacci N
 et al. 
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The effect of different concentrations of growth regulators and sucrose on anthocyanin production in cell suspension cultures of Camptotheca acuminata Decaisne (Nyssaceae) was described for the first time and qualitatively and quantitatively evaluated. Anthocyanin production was significantly greater in the presence of kinetin, compared to benzyladenine, with the greatest concentration observed in the presence of 2 μM kinetin. No significant differences in anthocyanin production were observed when comparing 2,4-dichlorophenoxyacetic acid to α-naphthaleneacetic acid, except when using 2 μM, 2,4-dichlorophenoxyacetic acid, which resulted in greater anthocyanin production. High sucrose concentration enhanced the production of anthocyanins. Based on the absence of anthocyanin production in the dark, we concluded that light was essential for stimulating anthocyanin production. The optimised medium consisted of: 2 μM kinetin, 2 μM 2,4- dichlorophenoxyacetic acid and 292 mM sucrose. HPLC/DAD and HPLC/MS analyses revealed that the main anthocyanin was Cy 3-O-galactoside and that the minor derivative was Cy 3-O-glucoside. © 2005 Elsevier SAS. All rights reserved.

Author-supplied keywords

  • Anthocyanins
  • Camptotheca acuminata
  • Cell culture
  • Growth regulators
  • Sucrose

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  • Nadia MulinacciUniversita degli Studi di Firenze

  • Gabriella Pasqua

  • Barbara Monacelli

  • Simona Rinaldi

  • Catia Giaccherini

  • Marzia Innocenti

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