Abstract
An air transportation test from Naha to Tokyo was carried out to improve the technique during the distribution process of Sayaingen (immature kidney bean with pod) produced in Okinawa.
The changes in the temperature and relative humidity during transportation included the flight were measured. The following results were obtained:
1. The relative humidity in DV type freight container loaded Sayaingenn was about 95% R. H. in maximum.
2. In air transportation, dew may well develop by the different weather conditions between origin and destination.
3. Under high humidity condition in air freight container, the strength of existing shipping carton was reduced.
4. Atmospheric pressure in the cargo compartment during flight was 8.3×104Pa in minimum. Changes in atmospheric pressure may be affected the respiratory evaporation of fruits and vegetables and humidity in freight container.
5. The air freight container such as DV type was unsuitable for shipment of the fruits and vegetables because DV type freight container was more air tight than 20 footer ISO type refrigerated marine freight container.
