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DIFFERENCES OF BIOCHEMICAL COMPONENTS BETWEEN THE SKIN TISSUES OF NORMAL AND BLACK-SPECKLED < D'ANJOU > PEARS AFTER PROLONGED LOW-OXYGEN STORAGE.

Author(s) : LEE S. P.

Type of article: Article

Summary

A PROPORTION OF < D'ANJOU >PEAR FRUIT (PYRUS COMMUNIS) DEVELOPED A DISORDER, < SKIN SPECKLING >, AFTER PROLONGED CONTROLLED ATMOSPHERE STORAGE: 1% O2, 272.5 K (-0.5 DEG C). THE CONTENT OF MALIC ACID IN THE AFFECTED TISSUE WAS ALMOST 3 TIMES LOWER THANTHAT IN THE NORMAL TISSUE. THE SPECIFIC ACTIVITY OF NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE-MALIC ENZYME IN THE AFFECTED TISSUE WAS ALSO LOWER. THE AFFECTED TISSUE CONTAINED HIGHER PERCENTAGES OF DRY MATTER AND SOLUBLE PROTEINS. A CERTAIN PROPORTION OF < D'ANJOU > PEAR FRUIT MIGHT HAVE BEEN EXPOSED TO UNFAVORABLE PREHARVEST ENVIRONMENTAL STRESSES, AND, THEREFORE, COULD NO LONGER TOLERATE THE SUBSEQUENT SEMI-ANAEROBIC AND CHILLING STRESSES DURING PROLONGED ATMOSPHERE STORAGE.

Details

  • Original title: DIFFERENCES OF BIOCHEMICAL COMPONENTS BETWEEN THE SKIN TISSUES OF NORMAL AND BLACK-SPECKLED < D'ANJOU > PEARS AFTER PROLONGED LOW-OXYGEN STORAGE.
  • Record ID : 1991-1625
  • Languages: English
  • Source: J. am. Soc. hortic. Sci. - vol. 115 - n. 5
  • Publication date: 1990/09
  • Document available for consultation in the library of the IIR headquarters only.

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