Nevşehir Hacı Bektaş Veli University Course Catalogue

Information Of Programmes

INSTITUTE OF SCIENCE / GM-512 - FOOD ENGINEERING

Code: GM-512 Course Title: PHASE CHANGES IN FOODS Theoretical+Practice: 3+0 ECTS: 6
Year/Semester of Study 1 / Spring Semester
Level of Course 2nd Cycle Degree Programme
Type of Course Optional
Department FOOD ENGINEERING
Pre-requisities and Co-requisites None
Mode of Delivery Face to Face
Teaching Period 14 Weeks
Name of Lecturer NESİMİ AKTAŞ (naktas@nevsehir.edu.tr)
Name of Lecturer(s)
Language of Instruction Turkish
Work Placement(s) None
Objectives of the Course
Understanding phase and state transitions and the relationship between molecular mobility and stability to proper control of food processing and storage conditions.

Learning Outcomes PO MME
The students who succeeded in this course:
LO-1 Students can explain basic concept and expressions related to phase and state transitions. PO-1 Has the skills of accessing, evaluating, interpreting and applying the knowledge in the area of engineering
PO-6 Has extensive knowledge about modern techniques and methods applied in food technology
Examination
LO-2 Students can explain the relationship between the physical state and molecular mobility and their effects on mechanical and physicochemical properties PO-1 Has the skills of accessing, evaluating, interpreting and applying the knowledge in the area of engineering
PO-5 Has the skills of developing and applying new and original ideas in system and process designs
PO-6 Has extensive knowledge about modern techniques and methods applied in food technology
Examination
LO-3 Students can explain transitions such as protein denaturation, starch gelatinization and lipids PO-1 Has the skills of accessing, evaluating, interpreting and applying the knowledge in the area of engineering
PO-5 Has the skills of developing and applying new and original ideas in system and process designs
PO-6 Has extensive knowledge about modern techniques and methods applied in food technology
Examination
LO-4 Students can explain glass transition temperature PO-1 Has the skills of accessing, evaluating, interpreting and applying the knowledge in the area of engineering
PO-6 Has extensive knowledge about modern techniques and methods applied in food technology
Examination
PO: Programme Outcomes
MME:Method of measurement & Evaluation

Course Contents
This course covers phase and state transitions of food and biological materials and discusses their dependence on temperature, time and water content.
Weekly Course Content
Week Subject Learning Activities and Teaching Methods
1 Introduction to phase transitions, basic terminology Lecture, question and answer
2 Characterization of phase transitions Lecture, question and answer
3 Physical state and molecular mobility Lecture, question and answer
4 Determination of physical state, physical properties and transition temperatures Lecture, question and answer
5 Properties of water Lecture, question and answer
6 Water in foods Lecture, question and answer
7 Carbohydrates Lecture, question and answer
8 mid-term exam
9 Proteins Lecture, question and answer
10 Lipids Lecture, question and answer
11 Prediction of water pşastization Lecture, question and answer
12 Mechanical properties and flow Lecture, question and answer
13 Time-dependent properties of the physical state Lecture, question and answer
14 Collapse phenomena Lecture, question and answer
15 Crystallization and recrystallization Lecture, question and answer
16 final exam
Recommend Course Book / Supplementary Book/Reading
1 Roos, Y. H. 1995. Phase Transitions in foods. Academic Press, New York, USA.
2 Rao, M. A. and Hartel, R. W. 1998. Phase/State transitions in foods. Marcel Dekker Inc., New York, USA.
Required Course instruments and materials

Assessment Methods
Type of Assessment Week Hours Weight(%)
mid-term exam 8 1 40
Other assessment methods
1.Oral Examination
2.Quiz
3.Laboratory exam
4.Presentation
5.Report
6.Workshop
7.Performance Project
8.Term Paper
9.Project
final exam 16 2 60

Student Work Load
Type of Work Weekly Hours Number of Weeks Work Load
Weekly Course Hours (Theoretical+Practice) 3 14 42
Outside Class
       a) Reading 4 8 32
       b) Search in internet/Library 4 8 32
       c) Performance Project 0
       d) Prepare a workshop/Presentation/Report 0
       e) Term paper/Project 0
Oral Examination 0
Quiz 0
Laboratory exam 0
Own study for mid-term exam 5 8 40
mid-term exam 1 1 1
Own study for final exam 5 8 40
final exam 2 1 2
0
0
Total work load; 189