Food retort optimisation = O.T.T.A. method

How can retorts be revitalized to regain profitability without compromising on the product?

Productivity gains

of your retorts thanks to an adapted writing of your schedule. These gains and / or savings are made without equipment investment and therefore immediately depreciable.

Material yield

increasing and more regular thanks to a schedule construction using heating and cooling dynamics in accordance with the physical / thermal properties of the recipe.

Organoleptic improvements

and nutritional aspects of your recipes. The food optimized (idem for pasteurization) method respects the produce, by reducing physical stress (visual appearance and texture) and cell bursting (nutrient migration)

Objective of food retort optimisation

This method is also maned O.T.T.A. – French acronyme for “Optimisation des Traitements Thermiques en Autoclave”.
The common way to increase productivity is to shorten the heat-up time to get to plateau temperature faster. Sometimes this works, most of the time it damages the product.
In fact, it is possible to speed up the autoclave treatment without negative impact on the recipe. This requires a perfect control of the heating and cooling phases.
By revisiting the energy networks, the loading plan, the controller parameters, etc., it is realistic to freeze and harmonise the performance of the retorts and then to define a new schedule. This programme is not written taking into account the power of the retort but the thermal properties of the product (packaging + recipe).
The results are surprising! In many cases, taste, cycle time and energy consumption are improved at the same time.
In doubt? Test our expertise and check.

Formulation
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Methodology of food retort optimisation

Data recovery:
• Identification of the available capacities on the retort.
• Verification of the thermal behavior of the packaging.
• Observation of heat penetration in different recipes and grouping of products into thermal families.
Different possible complementary approaches:
• Rewrite of the programmed schedule.
• Adjustment of retort temperature and pressure controllers.
• Adaptation of the loading plan.
• Explanation of a new work organization.
Validation process:
• Verification of the behaviour of the recipe in a partially loaded retort and possible adjustments.
• Validation of the schedule in full load and verification of the Fo / PU obtained.

Commitments with food retort optimisation

Confidentiality of your data and restricted use for studying your recipes.
Submission of a summary report at the end of the intervention.
Transmission of know-how allowing independent management of future developments.
Guaranteed integrity of your packagings.

PDF information on O.T.T.A

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