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Case Studies in Novel Food Processing Technologies by F Feeherry, C Doona, K Kustin

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21

A case study in military ration foods: the Quasi-chemical model and a novel accelerated three-year challenge test

C.J. Doona, F.E. Feeherry and E.W. Ross,     US Army Natick Soldier RD&E Center, USA

Abstract:

Maple-filled French toast (MFFT) enrobed sandwiches are intermediate moisture (IM) bi-layered foods formulated with ‘hurdles’ to prevent the growth of Staphylococcus aureus for product shelf-life (3 years at T = 80 °F ≈ 27 °C). A novel approach to accelerate microbial challenge testing was investigated. The Quasi-chemical model’s secondary model (‘growth-no-growth boundary’) was used to guide the formulation of the MFFT. The novel 3-year test protocol used a five-strain cocktail of S. aureus to challenge MFFT with variations in storage ...

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