ศูนย์นวัตกรรมเทคโนโลยีหลังการเก็บเกี่ยว

Reducing cherry damage in packinghouse operations - packinghouse evaluations.

Thompson, J.; Grant, J.; Kupferman, G.; Knutson, J.; Miller, K.;

Tree Fruit Postharvest Journal Year: 1995 Vol: 6 Issue: 1 Pages: 18-26

1995

บทคัดย่อ

The amount of pitting and bruising damage caused by various different operations in 10 cv. Bing cherry packinghouses was determined. Bin dumping caused an average of 6% pitting damage and 0% bruising, whereas the deleafing operation (leaf removal by an air separator) caused little pitting or bruising. The cluster cutters (for severing the stem) pitted an average of 20% and bruised 3% of the fruits. The flighted conveyor, small fruit eliminator and hand sorting caused very little damage. Inline hydrocooling caused significant amounts of pitting and bruising but the sizer caused little damage. Box filling caused fairly low amounts of damage. Overall, packinghouse operations caused less bruising than pitting. A more detailed study was carried out of particularly damaging unit operations and the effects of rate of throughput and of cut stem fruits (fruits without the woody stem end) on bruising and pitting were also assessed. Fruit throughput rate was not correlated with pitting damage in any of the

 unit operations except for the cluster cutters. Cut stem fruits did not appear to cause any less damage at harvest, during transport to the packinghouse or in the packinghouse than conventionally harvested fruits.