Postharvest physiology of two pineapple guava (feijoa) fruit (Acca sellowiana O. Berg Burret) cultivars submitted to cold quarantine treatment

Se evaluó el tratamiento cuarentenario T-107-b (1,67 ÝC por 22 d) sobre la calidad y vida poscosecha de dos cultivares de feijoa. Se utilizaron los cultivares 'Cenaf 41' y 'Cenaf 8-4'. Los frutos sometidos al tratamiento se compararon con frutos almacenados a 19,0 ÝC, simulando t...

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Bibliographic Details
Published in:	Agronomía colombiana Vol. 23; no. 2
Main Authors:	Valderrama, J.K, Fischer, G, Serrano, M.S
Format:	Journal Article
Language:	Spanish
Published:	2005
Subjects:	ACCA SELLOWIANA ACIDEZ ACIDITE ACIDITY ANASTREPHA FRATERCULUS CUARENTENA EXPORTACIONES EXPORTATION EXPORTS FEIJOA FISIOLOGIA POSTCOSECHA http://www.fao.org/aos/agrovoc#c_24406 http://www.fao.org/aos/agrovoc#c_2761 http://www.fao.org/aos/agrovoc#c_30612 http://www.fao.org/aos/agrovoc#c_33055 http://www.fao.org/aos/agrovoc#c_37374 http://www.fao.org/aos/agrovoc#c_6402 http://www.fao.org/aos/agrovoc#c_8601 http://www.fao.org/aos/agrovoc#c_9421 PHYSIOLOGIE APRES RECOLTE POSTHARVEST PHYSIOLOGY QUARANTAINE QUARANTINE RESPIRACION RESPIRATION
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Summary:	Se evaluó el tratamiento cuarentenario T-107-b (1,67 ÝC por 22 d) sobre la calidad y vida poscosecha de dos cultivares de feijoa. Se utilizaron los cultivares 'Cenaf 41' y 'Cenaf 8-4'. Los frutos sometidos al tratamiento se compararon con frutos almacenados a 19,0 ÝC, simulando transporte y comercialización. Durante el tratamiento se registró la temperatura interna de frutos. Se evaluó el comportamiento fisiológico y químico antes y después del tratamiento. La tasa respiratoria mostró la tendencia de un fruto climatérico. El contenido de sólidos solubles y el pH aumentaron y la acidez titulable disminuyó a través del tiempo. Los frutos con y sin el tratamiento tuvieron un comportamiento poscosecha muy similar en el proceso de comercialización y vida de anaquel. Quarantine treatment T-107-b (1.67 oC for 22 d) was tested on two pineapple guava cultivars' quality and shelf life. Two cultivars ('Cenaf 41' and Cenaf 8-4') were used. Fruit which had been subjected to cold quarantine treatment was compared with fruit maintained at ambient temperature (19.0 ºC), simulating conditions during transport and sale. The fruits' internal temperature was recorded during treatment. Fruit was chemically and physiologically analysed before and after the cold quarantine treatment. Respiration rate presented typical climacteric behaviour. The amount of soluble solids and pH increased whilst titratable acidity decreased. In all cases, the cold quarantine treatment had no detectable effect on the organoleptic properties of fruit from both cultivars. Fruit undergoing quarantine treatment and controls showed similar post-harvest behaviour when transport and sale conditions were simulated.
Bibliography:	F60 A.A. 14490, Bogotá, Colombia http://www.agronomia.unal.edu.co/documentos/Volumen23-2.pdf
ISSN:	0120-9965