Strategy and Software Application of Fresh Produce Package Design to Attain Optimal Modified Atmosphere
Table 1
Commodity properties and package size for optimized MAP.
Attribute
MA requirements, respiration characteristics, and package dimension for commodity
Green pepper
Strawberry
Mushroom-king oyster
Optimum O2 (%)
4
7
1
Optimum CO2 (%)
5
18
10
CO2 tolerance limit (%)
8
20
15
Parameters for
(mol kg−1 h−1)
1.70 × 10−3
7.56 × 10−4
6.37 × 10−3
(kPa)
6.03
0.02
1.78
(kPa)
1.28
35.46
101.26
Parameters for
(mol kg−1 h−1)
7.22 × 10−4
7.56 × 10−4
4.30 × 10−3
(kPa)
2.47
0.02
0.27
(kPa)
4.40
81.04
20.29
Expected shelf life (h)
300
240
360
Package type and dimension
Bag of 0.20 × 0.15 m
Tray of 0.158 × 0.09 × 0.04 m
Bag of 0.22 × 0.24 m
Area for gas permeable surface (m2)
0.06
1.42 × 10−2
1.06 × 10−1
Fill weight (kg)
0.11
0.20
0.25
Free volume (m3)
2.40 × 10−4
3.69 × 10−4
9.46 × 10−4
Respiration parameters for green pepper and strawberry are from literature sources [9, 10], and those for mushroom are determined by the closed system experiment.
