This study aimed to optimize and control the relative humidity conditions inside the package while maintaining the atmosphere inside the fruit and vegetable package, thus reducing the impact of condensation and water loss inside the bag on the post-harvest quality of fruits and vegetables.By analyzing and modelling the gas transfer, fruit and vegetable transpiration,and film moisture permeability processes during fruit and vegetable refrigeration,the environmental conditions of the package storage atmosphere were determined, and the microporous parameters and film area were designed using the proposed model to maintain a suitable atmosphere and relative humidity conditions for fruit and vegetables during storage.The model was validated by measuring the respiration rate of Agaricus bisporus and designing the appropriate number and diameter of micropores and film area, and comparing the gas fraction, weight loss rate, brightness, and relative humidity inside the package under various film area packages through storage tests.Results showed that 100 g of Agaricus bisporus could maintain a better atmosphere range [(5±2)% for O2 and (17±4)% for CO2)] and relative humidity (93%-100%) compared with other groups under the microporous parameters (n=4, d=50 μm) and film area (442-553 cm2) calculated according to the model in 5 ℃ environment, and after 10 d of storage.The brightness value was 83.48±0.61 and the weight loss rate was (3.86±0.44)%, which maintained the storage quality better and the freshness period was up to 12 d.The experimental data had a high agreement with the model prediction.
BAI Jingyi
,
LEI Tingting
,
QIAN Jing
. Design of equilibrium-modified atmosphere and humidity packaging for postharvest fruits and vegetables and validation test[J]. Food and Fermentation Industries, 2024
, 50(5)
: 267
-273
.
DOI: 10.13995/j.cnki.11-1802/ts.034378
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