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New Line Intersection Procedure for the Equivalent Point Method of Thermal Evaluation

ABSTRACT A new Line Intersection (LI) procedure for determining sterilization value (Fo) and quality or nutrient retention (cook value: Co) was developed using the original Equivalent Point Method (O‐EPM). Analysis of 30 conventional and 5 simulated thermal curves showed excellent agreement between...

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Bibliographic Details
Published in:Journal of food science 1999-07, Vol.64 (4), p.565-570
Main Authors: Kyereme, M., Swartzel, K.R., Farkas, B.E.
Format: Article
Language:English
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Summary:ABSTRACT A new Line Intersection (LI) procedure for determining sterilization value (Fo) and quality or nutrient retention (cook value: Co) was developed using the original Equivalent Point Method (O‐EPM). Analysis of 30 conventional and 5 simulated thermal curves showed excellent agreement between Fo values determined by the new LI method and the traditional General Method (GM). The new LI method performed better than the O‐EPM in yielding more accurate estimates of Fo and Co values as shown by the relatively low errors. The difference between Fo (GM) and Fo (LI) expressed as percent of Fo (GM) for conventional curves ranged from ‐0.01% to 0.78% while that between Fo (GM) and Fo (O‐EPM) ranged from ‐0.18% to 38.78%. Similar results were obtained for Co values.
ISSN:0022-1147
1750-3841
DOI:10.1111/j.1365-2621.1999.tb15086.x