Titre :
|
Modified atmosphere packaging affects the incidence of cold storage disorders and keeps 'flat' peach quality
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Auteurs :
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J. Fernandez-trujillo ;
J. Martinez ;
F. Artés
|
Type de document :
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article/chapitre/communication
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Année de publication :
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1998
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Format :
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p. 571-579
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Langues:
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= Anglais
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Catégories :
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INDUSTRIE AGRO-ALIMENTAIRE
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Mots-clés:
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PECHE FRUIT
;
DEGATS DUS AU FROID
;
ATMOSPHERE MODIFIEE
;
FERMETE
;
MATIERE VOLATILE
;
EMBALLAGE
;
POLYPROPYLENE
;
COULEUR
;
MATURATION
|
Résumé :
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Firm-breaker and firm-mature flat peaches (Prunus persica L. Bastch cultivar 'Paraguayo') were stored in air for 10 days at 20 °C, or precooled and sealed in either one of two unperforated or one macroperforated polypropylene film for 14 or 21 days at 2 °C. The atmosphere inside the macroperforated film bags remained close to the composition of air during storage. In unperforated bags, steady state atmospheres were reached within 6 and 9 days: firm-breaker fruit (12% CO2 and 4% O-2 in standard type polypropylene, 23% CO2 and 2% O-2 in oriented type polypropylene); firm-mature fruit (22% CO2 and 3% O-2 in standard polpropylene and 21% CO2 and 2% O-2 in oriented polypropylene). After 14 days storage plus a 3-day shelf-life test, woolliness and slight internal browning developed in fruit stored in macroperforated polypropylene. Ethanol and acetaldehyde accumulated to higher levels in oriented polypropylene bags for both firm-breaker and firm-mature fruit. Modified atmospheres in both unperforated bags were associated with lower weight loss, less senescence and chilling injury, absence of decay, and delayed ripening changes of the fruit after a shelf-life period.
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Source :
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Food Research International, vol.31, n°8
|