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  4. Application of photoacoustic spectroscopy in monitoring emission of C2H4 and CO2 in passion fruit stored under different atmospheres
 
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2012
Conference Paper
Title

Application of photoacoustic spectroscopy in monitoring emission of C2H4 and CO2 in passion fruit stored under different atmospheres

Abstract
The present work shows the application of the photoacoustic spectrometer in the monitoring of the ethylene emission rate in passion fruit submitted to different types of atmosphere storage. Three types of modified atmosphere were applied: 1) 100% N2 and 0% O2 (MA1), 2) 97% N2 and 3% O2 (MA2) and 3) 94% N2 and 6% O2 (MA3). The respiratory rate and parameters of the skin color as CIE a, b and angle hue were monitored and correlated with the ethylene emission rate. The loss of mass was also evaluated. Results indicated that atmospheres with oxygen concentrations below 3% cause fruit damage, evident as fermentation and presence of fungus in the skin, while 6% oxygen led to a 2 day increased in shelf life.
Author(s)
Figueira Corrêa, Savio
UENF, Rio de Janeiro
Oliveira, Jurandi Gonçalves de
UENF, Rio de Janeiro
Santos, W.C.
UENF, Rio de Janeiro
Souza, A.F.
UENF, Rio de Janeiro
Vargas, Helion
UENF, Rio de Janeiro
Silva, Marcelo Gomes
UENF, Rio de Janeiro
Silva, Marcelo Gomes
UENF, Rio de Janeiro
Miklós, András
Fraunhofer-Institut für Bauphysik IBP  
Mainwork
XXVIII International Horticultural Congress on Science and Horticulture for People, IHC 2010. Proceedings. Vol.1  
Conference
International Symposium on Postharvest Technology in the Global Market 2012  
International Horticultural Congress on Science and Horticulture for People (IHC) 2010  
Language
English
Fraunhofer-Institut für Bauphysik IBP  
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