FOOD SCIENCE ›› 2012, Vol. 33 ›› Issue (24): 339-342.doi: 10.7506/spkx1002-6630-201224074

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Quality Changes during Storage and Shelf Life Prediction of Butter Hotpot Seasoning

CHEN Li-lan1,NI Hai-feng1,YAN Zhi-nong2,LU Xiao-li1,*   

  1. 1. College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu 610065, China;2. Center of Quality And Safety of Agricultural Products of Sichuan Province, Chengdu 610041, China
  • Received:2012-10-15 Revised:2012-11-30 Online:2012-12-25 Published:2012-12-12

Abstract: In this study, we investigated changes in the sensory quality, acid value, peroxide value and total bacterial count of butter hotpot seasoning during storage at different temperatures (5, 25 ℃ and 37 ℃). Acid value was found to be a reliable indicator for predicting the shelf life of butter hotpot seasoning. A kinetic model of acid value for predicting the shelf life of butter hotpot seasoning was developed with E (activation energy) and K0 (regression coefficient) of 21.82 J/mol and 32.62, respectively. The reliability of the prediction model was validated.

Key words: butter hotpot seasoning, shelf life, temperature, kinetic model

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