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Filtering by: Creator Sañudo-Wilhelmy, Sergio A. Advisor Torres, J. Antonio

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Creator:

Almonacid-Merino, Sergio Felipe

Abstract:

The validation and potential use of mathematical models to estimate the shelf-life of refrigerated food exposed to temperature abuse and basing such estimations on microbial growth was analyzed. Combined heat transfer, microbial growth models, and non-parametric statistical procedures formed a computer-based predictive tool to assess shelf-life and estimate the accuracy...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF Sergio Felipe Almonacid-Merino
Effect of molecular conformation on the surface properties of polyelectrolyte solutions : xanthan gum model studies

Creator:

Young, San Land

Abstract:

A commercially important polyelectrolyte, xanthan, was chosen for a systematic analysis of the relationship between molecular conformation and surface properties. In the first study the effects of ionic strength, xanthan concentration and temperature on the xanthan molecular conformation were investigated by potentiometric titration. The effects of the same factors and...

Resource Type:

Masters Thesis

Full Text:

Abstract approved: J T J. Antonio Torres A commercially important polyelectrolyte, xanthan, was chosen
Optimization and computer control of batch retort process operations : conduction-heated foods

Creator:

Simpson-Rivera, Ricardo Jose

Resource Type:

Masters Thesis

Full Text:

profiles to those feasible without retort modifications. A transient heat energy balance was developed to