Storage Characteristics and Shelf Life Prediction of Vacuum-Packaged Chestnut Paste under Different Storage Temperatures

doi:10.7506/spkx1002-6630-201318066

Abstract

Abstract:

In order to explore the storage characteristics and shelf life of vacuum-packaged chestnut paste under different
storage temperatures, we investigated dynamic changes and correlation analysis of sensory quality, total color difference,
acid value, peroxide value and total bacterial count of vacuum-packaged chestnut paste stored at 4, 20 or 60 ℃. The results
revealed that both storage temperature and storage time had a significant effect on the quality and shelf life of vacuumpackaged
chestnut paste. In addition, storage temperature had an obvious correlation with quality indexes. Based on multiple
regression model analysis, equations for shelf life prediction of vacuum-packaged chestnut paste under different storage
temperatures were developed and exhibited high reliability in validation experiments. A regression equation for the correlation
between temperature and shelf life was developed and exhibited high reliability in validation experiments. The predicted shelf
life of vacuum-packaged chestnut paste stored at 4, 20 ℃ and 60 ℃ was 281, 137 days and 15 days, respectively.

Key words: chestnut paste, storage characteristics, correlation, shelf life

YANG Fang，WANG Tie-dan，ZHOU Rong-feng，XU Can，DU Ping. Storage Characteristics and Shelf Life Prediction of Vacuum-Packaged Chestnut Paste under Different Storage Temperatures[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201318066.

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Storage Characteristics and Shelf Life Prediction of Vacuum-Packaged Chestnut Paste under Different Storage Temperatures

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