Faculdade de Ciências e Tecnologia

Food Hydrocolloids

Code

9773

Academic unit

Faculdade de Ciências e Tecnologia

Department

Departamento de Química

Credits

3.5

Teacher in charge

Maria Paulina Estorninho Neves da Mata

Weekly hours

3

Total hours

42

Teaching language

Português

Objectives

Students should get acquaintance of a range of hydrocolloids used by the food industry or food production on a small scale.

They should learn their origins, structural features and the relationship between structure and properties, functions and applications.

Subject matter

Hydrocolloid - general characteristics and study of some classes of hydrocolloids (agar, starch and modified starch, gelatin, carrageenan, xanthan, gellan, pectins, alginates, galactomannans and cellulose derivatives): its origins, molecular structures, characteristics and behavior.

 Applications of hydrocolloids in food as texturants, adhesives, stabilizers, coatings, formation of gels and liquid encapsulation of flavor.

Bibliography

- Phillips, G. O.; Williams, P. A., Handbook of Hydrocolloids, Woodhead Publishing Ltd (1 Jun 2000

- Nussinovitch, A., Water-Soluble Polymer Applications in Foods, Blackwell, 2003

 - Hoefler, A. C., Hydrocolloids: Practical Guides for the Food Industry, Amer Assn of Cereal Chemists, 2004

 - Coultate, T., Food: The chemistry of it’s components , Royal Society of Chemistry, 2009

 - Belitz, H.D., Grosch, W., Schieberle, P., Food chemistry . Springer, 2004

Teaching method

Teaching methods include:
a) Lectures, using the data show;

b) Practical and problem solving sessions, in which specific cases or articles about culinary techniques and processes will be discussed;

c) Laboratory sessions;

d) Use of a website with study material and contact by email.

Evaluation method

Individual tests, classified from 0 to 20. (35%)

Individual project, classified form 0 to 20.  (65%)

Classroom participation - 2/3 required.

Courses