FOOD SCIENCE ›› 2007, Vol. 28 ›› Issue (8): 487-491.

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Application of Weibull Hazard Analysis for Forecast of Food Shelf-life

 CAO  Ping, YU  Yan-Bo, LI  Pei-Rong   

  1. China Astronaut Research and Training Center, Beijing 100094, China
  • Online:2007-08-15 Published:2011-10-24

Abstract: This paper applied accelerated shelf-life test (ASLT) and sensory hazard analysis to the determination of shelf-life, with UHT(ultra heat treated) milk as experimental object. Moreover it discussed the feasibility of applying physicochemical Weibull hazard analysis to the determination of shelf-life as well as the reliability analysis of commercial shelf-life. UHT milk, with commercial shelf-life of 45 days, was divided into four experimental groups, and stored at 25 ℃, 30 ℃, 35 ℃ and 40 ℃ respectively. The sensory, physicochemical and bacterial testing was carried out at stated intervals.

Key words: UHT milk, shelf-life, Weibull distribution