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Article | REF: F1011 V2

Water and food preservation

Author: Marc FAIVELEY

Publication date: September 10, 2012, Review date: January 15, 2018 | Lire en français

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    4. Food processing

    4.1 State change diagram

    Figure 21 shows the change-of-state curves for pure water at a given pressure and temperature. Water can be in a liquid, solid or gaseous physical state. The figure shows two exceptions:

    • when T °C > t critical. Under these conditions, we speak of a supercritical fluid (the liquid and gaseous phases are indistinguishable);

    • the triple point: water can be found in all three states (solid, liquid, gas).

    Foods are complex heterogeneous matrices that are difficult to characterize....

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