Potato Research

, Volume 32, Issue 4, pp 463–470 | Cite as

Changes of the lipid catabolism in potato tubers from cultivars differing in susceptibility to autolysis during the storage

  • Ewa Łojkowska
  • Maria Hołubowska
Article

Summary

The activities of lipolytic acyl-hydrolases (LAH) and lipoxygenases (LOX) were compared in stored tubers of potato cultivars resistant (Acresta, Eba, Pentland Envoy) and susceptible (Kastor, Pana, Tasso) to post-wounding autolysis. In most cultivars, LAH activities had reached a maximum by the end of December but in cv. Kastor activity continued to increase throughout the storage period. LOX activities increased during most of the storage period except in cv. Tasso. The level of the fatty acid hydroperoxides, assumed from determinations of the malonaldehyde level, also increased during storage.

Additional key words

lipolytic acyl-hydrolase lipoxygenase malonaldehyde content 

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • Ewa Łojkowska
    • 1
  • Maria Hołubowska
    • 1
  1. 1.Institute for Potato ResearchKoszalinPoland

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