Reducing sweet cherry damage in postharvest operations

Damage (pitting and bruising) to sweet cherries during packing line operations was evaluated in a 3-year study conducted in California, Washington, and Oregon. A large percentage of cherries sampled before packing developed damage symptoms (28% in 1992 and 35% in 1993 and 1994), suggesting that dama...

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Bibliographic Details
Published in:HortTechnology (Alexandria, Va.) Va.), 1997-04, Vol.7 (2), p.134-138
Main Authors: Thompson, J.F. (University of California, Davis, CA.), Grant, J.A, Kupferman, E.M, Knutson, J
Format: Article
Language:English
Subjects:
ABIOTIC INJURIES
BRUISING
CALIFORNIA
CALIFORNIE
CEREZA
CERISE
CHERRIES
CLUSTER CUTTERS
CONDITIONNEMENT
COOLING
CUTTERS
DANOS MECANICOS
DEGAT MECANIQUE
EMPAQUETADO
ENFRIAMIENTO
EQUIPO
HYDROCOOLERS
LESION
LESIONES
LESIONS
MATERIEL
MECHANICAL DAMAGE
OREGON
PACKAGING
PERDIDAS POSTCOSECHA
PERTE APRES RECOLTE
PITTING
POSTHARVEST LOSSES
POSTHARVEST TECHNOLOGY
PRUNUS AVIUM
REFROIDISSEMENT
TECHNOLOGIE APRES RECOLTE
TECNOLOGIA POSTCOSECHA
THROUGHPUT
WASHINGTON
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Summary:Damage (pitting and bruising) to sweet cherries during packing line operations was evaluated in a 3-year study conducted in California, Washington, and Oregon. A large percentage of cherries sampled before packing developed damage symptoms (28% in 1992 and 35% in 1993 and 1994), suggesting that damage is imparted during growing, harvest, or transport to the packing house. Packing line operations caused an average of 39% pitting and 10% bruising. The greatest damage was imparted by cluster cutters (20% pitting) and shower type hydrocoolers (19% pitting). Results from this study demonstrate that packing line damage can be reduced by slowing fruit speed in cluster cutters, operating cluster cutters at high fruit-throughput rates, and reducing water drop height in shower hydrocoolers.
ISSN:1063-0198
1943-7714
DOI:10.21273/horttech.7.2.134