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INRA
24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

Menu INRA Agrocampus Ouest logo

Internet de l'unité STLO Science et Technologie du Lait et de l'Oeuf

STLO Research Unit

Spray-Drying - Concentrated Matrices - Functionalities

Dairy Processing team

 

Dr Cécile Le Floch-Fouéré

Dr Cécile le Floch-Fouéré

Leader of Spray-drying - Concentrated Matrices - Functionalities team
Phone: +33(0)2 23 48 59 26
Mail: cecile.lefloch@agrocampus-ouest.fr
Read all about our LATEST MAIN RESULTS at the bottom of this page

IconeBas

During food processing/stabilization, many physical and biochemical modifications of constituents take place. These changes are available in structural or state changes beyond the critical concentration, and induce modifications in the performance of operations. Therefore process control involves making progress on fundamental issues of major interest in the field of dairy processing in order to move towards more targeted products and safer and eco-aware processes.

Our objective

Studies carried out by Spray-drying - Concentrated Matrices - Functionalities (SMCF) team aim to master manufacturing process and control the technological and nutritional properties of a wide range of dry ingredients (protein isolates, ingredients incorporating pre- and probiotics, etc.) implemented in products increasingly specialized (seniors, sportsmen, infants, etc.). Our main concern is to understand how the management of concentration / destabilization operations (evaporation-spray-drying / rehydration) affects the behavior and properties of the ingredients and, in return, how their features and properties modify performances and environmental impact of processes.

Our strategies

Our works are conducted at multiscales, from molecular to macroscopic by combining studies on both model and real systems, in order to:

  • Identify, quantify and model physico-chemical mechanisms involved in state transitions undergone by dairy matrices during the concentration / destabilization processes 
  • Establish general rules to select appropriately designed processes, technological trajectories in dairy and cheese processing in order to control and optimize properties of these matrices
  • Capitalize on knowledge to put forward technological schemes of concentration and drying  to design more efficient, innovative and eco-aware processes with the manufacture of products of high qualities.

Skills & Expertise

Our research brings together a network of experts in:

  • Process engineering
  • Colloïds science
  • Proteins and lipids biochemistry
  • Dairy and cheese processing.

People

 
 
Cécile LE FLOCH-FOUERE (senior scientist, team leader)
Gilles GARRIC (scientist)
Marielle HAREL-OGER (technician)
Romain JEANTET (senior scientist)
Luca LANOTTE (scientist)
Christelle LOPEZ (scientist)
Serge MÉJEAN (scientist)
Pierre SCHUCK (senior scientist)
Gaëlle TANGUY-SAI (scientist)
Eric BEAUCHER (technician)
Françoise BOISSEL (technician)
Bénédicte CAMIER (technician)
Anne DOLIVET (technician)
Arlette LEDUC (technician)
Jean-Luc THOMAS (technician)

PhD Students: Domitille De Guibert, Linda Leroux, Erica Felipe Mauricio, Ming Yu

MAIN RESULTS

evaporators

Calcium citrate contributes to the fouling of evaporators

Fouling of falling-film evaporators during the concentration of dairy products is a major problem in the dairy industry as it has negative impacts on...
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Droplet

The skin formation in course of drying of dairy products

Nowadays, the control of the nutritional properties of milk powders represents a fundamental and industrial challenge to develop new infant formulas....
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powder image

How do dairy protein powders age?

The serviceability of whey protein isolate powders (WPI) arises from their functional and nutritional properties, but their modifications due to...
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Milk powder

Whey powders: 30-40% reduction in energy costs

In Europe, 10 to 15% of the dry matter in cow's milk is transformed into powder. Powder drying is a complex and highly energy-consuming operation. We...
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All results of Spray-drying - Concentrated Matrices - Functionalities team

All results of Spray-drying - Concentrated Matrices - Functionalities team