Fats And Oils Flashcards
What is the nature of fats?
Usually saturated in nature.
What is the nature of oils?
Usually unsaturated in nature.
What are the effects of high fat consumption?
If too many high fat foods are eaten, they can lead to weight gain and obesity. They also increase LDL cholesterol build-up in the arteries, raising the risk of CHD. Additionally, excessive fat intake can result in more calories than needed, affecting insulin’s ability to stabilize blood sugars and potentially leading to type 2 diabetes.
What is the nutritive value of fats and oils?
Protein - HBV - G+R; Fat - saturated (Butter) & Unsaturated (Veg oil) - H+E; Carbs - 0% - serve with pasta; Vit A - Produces rhodopsin - preventing night blindness; Vit D - Aids calcium absorption.
What is the dietetic value of fats and oils?
Fats and oils delay hunger by staying in the stomach longer, supply high energy (1g = 9 kcal), contain polyunsaturated fat like Omega 3 in fish for foetus brain development, should be avoided by people with CHD due to LDL cholesterol, and can absorb flavors easily.
What are the culinary uses of fats and oils?
Emulsions (e.g., Mayo), Aeration (e.g., Creaming buns), Shortening (e.g., Pastry & shortbread), Anti-staling (e.g., Cakes).
What is added value food?
Processing raw, cheap ingredients to make a product that costs more to buy, e.g., margarine is more expensive than oil.
What is the production process of margarine?
Oil extraction, Hydrogenation, Addition of additives, Emulsification, Churning, Weighed and cut into retail portions, Packaged and labeled.
What are the characteristics of block margarine?
Wrapped in foil or waxed paper, high in saturated fat, used for baking and frying, made from mainly vegetable oil.
What are the characteristics of soft margarine?
In plastic tubs, high in saturated fat, spreadable right from the fridge, made mainly from vegetable oil.
What are functional foods?
Functional foods contain an added ingredient that provides health benefits beyond nutritional value, e.g., Benecol, Flora Pro Active.
What are functional dairy spreads?
Flora Pro Activ contains plant sterols that prevent cholesterol absorption into the small intestine, suitable for baking and frying, good for CHD.
What are low-fat dairy spreads?
Dairy gold lighter contains half the fat of butter/margarine, useful for low-cal diets/CHD, but cannot be used for baking/frying due to high water content.
What is spreadable low fat butter?
Connacht gold contains half the fat of butter but has a higher saturated fat content than low fat spreads.