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THE INFLUENCE OF CO2 AND N2 ATMOSPHERES ON THE KEEPING QUALITY OF BROILERS DURING REFRIGERATED STORAGE.

Author(s) : KRALA L., NIEDZIELSKI Z.

Summary

150 CHILLED BROILER CARCASSES WERE STORED 4 WEEKS BETWEEN 274 AND 276 K (1 AND 3 DEG C) IN THE FOLLOWING ATMOSPHERES: A) 99% N2 -1% O2 ; B) 40% CO2 -59% N2 -1% O2 ; C) 80% CO2 -19% N2 -1% O2 ; D) 99% CO2 -1% O2 AND AIR (CONTROL). THE PH VALUE, GENERAL ACIDITY, AMINONITROGEN CONTENT, OVERALL PSYCHROPHILIC AEROBICS AND SENSORY QUALITY WERE DETERMINED. CO2 WAS OBSERVED TO STABILIZE THE PH VALUE ANDGENERAL ACIDITY AND TO CONTROL THE GROWTH OF PSYCHROPHILIC AEROBICS AND PROTEOLYTIC CHANGES. NITROGEN HAS NO SUCH PROPERTY. THE SAMPLES STORED IN AIR AND IN NITROGEN WERE ENTIRELY DETERIORATED IN 10 TO 14 DAYS AND IN ATMOSPHERE B AFTER 21 DAYS. C AND D SAMPLES REMAINED IN GOOD CONDITION AFTER 4 WEEKS.

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Pages: 272-278

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Details

  • Original title: THE INFLUENCE OF CO2 AND N2 ATMOSPHERES ON THE KEEPING QUALITY OF BROILERS DURING REFRIGERATED STORAGE.
  • Record ID : 1988-1097
  • Languages: English
  • Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
  • Publication date: 1987/08/24
  • Document available for consultation in the library of the IIR headquarters only.

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