Journal of Food, Agriculture and Environment




Vol 9, Issue 1,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255


Effects of film and seal conditions on the package atmosphere and storage stability of ‘Fuyu’ sweet persimmons


Author(s):

Hae Jin Kim 1, Duck Soon An 1, Gwang-Hwan Ahn 2, Dong Sun Lee 1*,

Recieved Date: 2010-11-16, Accepted Date: 2011-01-07

Abstract:

A 60 µm-thick low density polyethylene (LDPE) and 50 µm thick polypropylene/low density polyethylene laminated (PP/LDPE) films were used to pack 5 persimmons in either heat-sealed or tie-banded bags. A perforated package was used as the control. Tie-banding of the plastic film bags led to increased gas permeability of the package and a different CO2/Opermeability ratio when compared to heat-sealed plastic film bags. Among the packages stored at 0°C, LDPE heat-sealed packages were best in maintaining the atmosphere of the package (0.4-3.6% O2 and 4.2-4.9% CO2) at optimal MA condition (1-3% O2 and 4-7% CO2), whereas heat-sealing led to an anoxic atmosphere in the bag with the lowest permeability (PP/ LDPE). Both tied packages of LDPE and PP/LDPE had overly high O2 concentrations but optimal CO2 levels. All packages were suitable for preserving the fruit for 55 days at 0°C, although the fruit did suffer from browning discoloration or skin blackening after extended storage. Transfer of the packages to 20°C led to drastic changes in internal atmosphere and fruit quality even after 1 day and maintenance of lower temperature condition is suggested in the distribution after long-term storage at low temperature.

Keywords:

Tie, heat sealing, package gas permeability, physiological disorders, temperature change


Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 1
Category: Food and Health
Pages: 95-98


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