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DETERMINATION OF ENDOGENOUS ETHANOL IN GRAPE BERRIES BY ANALYSIS OF THE ATMOSPHERE OF TEST ROOMS.

DETERMINATION DE L'ETHANOL ENDOGENE DES BAIES DE RAISIN PAR ANALYSE DE L'ATMOSPHERE DES ENCEINTES EXPERIMENTALES.

Author(s) : SARRIS J.

Type of article: Article

Summary

ETHANOL CONCENTRATION IN HEAD SPACE OF CLOSED JARS CONTAINING GRAPE BERRIES MAINTAINED IN ANAEROBIC ATMOSPHERE AND IN TEMPERATURE CONTROLLED CONDITIONS WAS FOUND TO BE PROPORTIONAL TO THE CELLULAR ETHANOL CONTENT OF BERRIES. SO, IT IS POSSIBLE TO FOLLOW ETHANOL VARIATIONS IN BERRIES DURING ANAEROBIC METABOLISM BY A NON-DESTRUCTIVE AND ACCURATE TEST. GAS CHROMATOGRAPHIC DETERMINATION METHODS ARE DESCRIBED AND RESULTS OBTAINED WITH TWO SETS OF ANAEROBIC METABOLISM ASSAYS ARE DISCUSSED.

Details

  • Original title: DETERMINATION DE L'ETHANOL ENDOGENE DES BAIES DE RAISIN PAR ANALYSE DE L'ATMOSPHERE DES ENCEINTES EXPERIMENTALES.
  • Record ID : 1988-1887
  • Languages: French
  • Source: Ind. aliment. agric. - vol. 104 - n. 12
  • Publication date: 1987/12
  • Document available for consultation in the library of the IIR headquarters only.

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