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Determination of the respiration rate of tomato fruit using flow analysis.

Author(s) : CALEGARIO F. F., COSSO R. G., ALMEIDA F. V., et al.

Type of article: Article

Summary

A continuous-flow method using a conductometric detector was developed to measure CO2 resulting from respiration of tomato fruit. The fruit are inserted into a 3.4-l vessel and the atmosphere in the vessel continuously monitored for CO2, using a closed-loop system. The CO2 produced from fruit respiration diffuses through a Teflon® membrane, dissociates in the acceptor stream of deionized water, and the conductivity (mainly of H+ and HCO3-) is monitored. The conductance increase in the acceptor stream is proportional to the carbon dioxide concentration in the gaseous sample.

Details

  • Original title: Determination of the respiration rate of tomato fruit using flow analysis.
  • Record ID : 2003-2396
  • Languages: English
  • Source: Postharvest Biol. Technol. - vol. 22 - n. 3
  • Publication date: 2001/07

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