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Photosystem II quantum yield as a measure of radical scavengers in chilling injury. A model approach.

Author(s) : KOOTEN O. van, TIJSKENS L. M. M., OTMA E. C.

Summary

A model was developed, based on very fundamental but simplified processes occurring at membrane and cell plastid level. It describes the process of chilling injury as dependent on both time and temperature, incorporating a so-called deferred action. This deferred action is described as the degredation of a radical scavenging system, whereas the radicals themselves are the direct initiators of the chilling injury in an autocatalytic reaction (peroxidative decay of cell membranes), producing more radicals. The proposed model can be applied to study, predict and prevent the effects of various temperature-time combinations on the behaviour of the product quality. (See also, Proc. Istanbul Meet., IIR, 1994-3, p. 403-411.)

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Pages: 1994-5

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Details

  • Original title: Photosystem II quantum yield as a measure of radical scavengers in chilling injury. A model approach.
  • Record ID : 1996-0231
  • Languages: English
  • Source: Refrigeration and the Quality of Fresh Vegetables.
  • Publication date: 1994/09/07
  • Document available for consultation in the library of the IIR headquarters only.

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