Transcript FST 505
FST 505 FATS AND OILS (3 units) By Dr. Olusegun Obadina Know Your Lecturer Dr. Olusegun Obadina Course Content • Status of the oils and fats industry in Nigeria • Oil seeds of Nigeria – characteristics, composition and uses. • Raw materials for the vegetable oil industries – palm, coconut, groundnut, soyabeans, cottonseed, sunflower seed; • Effect of climatic conditions, harvesting and storage on quality of glycerides. • Refining of oil and storage quality indices. What Is Needed To Benefit from this Topic • Nigeria fats and Oils industry • Structure and Composition of Fats – Glycerides – Minor Components of Fats and Oils • Structure of Fatty Acids • Isomerism • • • • • • Polyunsaturated fats Monounsaturated fats Saturated fats Production and Processing Methods Deodorized Oils Rendered Fat What is expected: • • • • • • • Crystal Formation Polymorphism Melting Points Chain length Number of double bonds Isomeric configuration Plastic Fats What is expected: • • • • Hydrogenation Interesterification Acetylation Winterization Deterioration of Fats What is expected: • Hydrolytic Rancidity • Oxidative Rancidity or Autoxidation • Prevention of Autoxidation Shortening and Shortening Power of Various fats and oils Topics to cover: • • • • • Lard Butter and margarine Hydrogenated fats Oils Emulsification – Cake mixes – Mayonnaise – Salad dressings GROUNDNUT PROCESSING