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Food Technology

Code: BIOT163     Sigla: TA

Áreas Científicas
Classificação Área Científica
OFICIAL Biotecnologia

Ocorrência: 2022/2023 - 2S

Ativa? Yes
Unidade Responsável: Departamento de Engenharia Química e Biológica
Curso/CE Responsável: Undergraduate in Biotechnology

Ciclos de Estudo/Cursos

Sigla Nº de Estudantes Plano de Estudos Anos Curriculares Créditos UCN Créditos ECTS Horas de Contacto Horas Totais
BIOT 55 Study Plan 3 - 3 52,5 81

Docência - Responsabilidades

Docente Responsabilidade
Natália Maria Ferreira Rebelo de Melo Osório

Docência - Horas

Theorethical and Practical : 3,00
Type Docente Turmas Horas
Theorethical and Practical Totais 1 3,00
Natália Maria Ferreira Rebelo de Melo Osório 3,00

Língua de trabalho

Portuguese
Obs.: Português

Objetivos

The objective of this curricular unit is to transmit knowledge about the operations and processes used in the food industry, that allow the control of the reaction in foods, during their transformation and storage. The is expected to acquire notions about the characteristics of food products (quality and nutritional values) and the alteration of their properties; should know and be able to apply different techniques to evaluate food quality and diverse methods of preservation, storage and packaging of food products.

Resultados de aprendizagem e competências


As a result of learning, it is intended that students have knowledge of the operations and processes most used in the different food processing industries from the point of view of their conception and operation. Students should know the properties and characteristics of foods, as well as the various quality control and safety analysis techniques, which are commonly used in the food industry and under current legislation. They should also know the processes of food manufacturing and transformation, namely the technological processes associated with the preservation and conservation of food.


Modo de trabalho

Presencial

Programa

1 Introduction to food technology. Basic notions of food safety and quality. Brief notions of food properties and main processing and conservation methods. Concept of food microbiology.
2. Properties and quality of foods. Main components, nutritional value. Physical-chemical, microbiological and sensorial analysis. Notions of conservation and changes of food properties. Effects of chemicals, physical and biological agents and processing and water activity.
3. Unit operations of food Processing and conservation used in food manufacturing: Room-temperature processing: previous food treatment (receiving, sorting, classifying) mixing, size reduction. Separation of food components. Food biotechnology (fermentation, gene modification, nutritional genomics, functional foods, use of enzymes, microencapsulation and controlled release, antimicrobial ingredients, probiotics); Irradiation; food processing by electric field, pressure, light, and ultrasounds. heat processing: heat transfer in food; blanching, pasteurization, heat sterilization, evaporation and distillation, extrusion, dehydration, effects on food properties, enzymes and microbial contents. Processing by heat removal: Chilling and modified atmospheres; Freezing; Freeze drying and freeze concentration; Lyophilization. Post Processing operations: Packing and storage.
4. Food legislation and responsible institutions. Innovation in Food Technology.

Bibliografia Obrigatória

Fellows, P. ; Food processing technology: principles and practice. , Ellis Horwood Lda, CRC Press LLC, 1996. ISBN: 0 8493 0887 9
Brennan, J.G., Butters, J.R., Cowell, N.D., Lilly, A.E.V.; Food engineering operations, Elsevier Science Publishers, Barking, 1990. ISBN: 978-1851664443
Lidon, F., Silvestre, M.M.; Industrias alimentares: aditivos e tecnologia, Lidon, F., Silvestre, M.M., (2007) Industrias alimentares: aditivos e tecnologia, Escolar Editora, 2007. ISBN: 9789725922033 9725922034
Singh, R.P., Heldman, D.R.; Introduction to food engineering, Ed. Academic press, San Diego, 1993. ISBN: 978-0-12-370900-4
Shwartzberg, H.G., Rao. M.A.; Biotechnology and food processing engineering, Markel Dekker, New York, 1990

Métodos de ensino e atividades de aprendizagem

Theoretical class about the syllabus content will be lectured with powerpoint slides. In the practical courses, exercises that apply the theoretical concepts will be presented for resolution. Also, the students will prepare and present reports about diverse aspects related to food technology, as small seminars. An open discussion of each work wil be stimulated. The evaluation will be made as 80% from 2 theoretical tests, and 20% from a practical evaluation (report presentation and discussion).

Teaching methodologies:
- Theoretical Component: Expository methodologie in the weekly timetable for the Course with resource of written introduction documents (eg. PowerPoint of the syllabus, complementary documents for study and suggestions for sources for consultation), previously available on Moodle.
- Theoretical and practical component: demonstrative and interrogative method using forums for debate/clarification of doubts previously programmed during class time with the aim of consolidating the knowledge already acquired through the active participation of students in reflecting on issues posed by the teacher and discussion of case studies.

 


Tipo de avaliação

Distributed evaluation with final exam

Componentes de Avaliação

Designation Peso (%)
Teste 80,00
Trabalho escrito 20,00
Total: 100,00

Componentes de Ocupação

Designation Tempo (Horas)
Trabalho escrito 10,00
Estudo autónomo 18,50
Frequência das aulas 52,50
Total: 81,00

Obtenção de frequência

.

Fórmula de cálculo da classificação final

Continuous Assessment:

FA = 40% Test 1 + 40% Test 2 + 20% written work (groups)

No minimum grade is required at any of the evaluation moments.

Exam:
- 100% Exam
or
- 80% Exam + 20% written work
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