Carbohydrate Flashcards
What are the 2 types of carbohydrate that supply energy to the body?
Starch and sugar
How much energy does 1g of pure starch or sugar provide the body with?
3.75 kcal
What does NSP stand for?
Non starch polysaccharide
What is NSP?
Fibre
What is NSP a type of?
Carbohydrate but it doesn’t supply ENERGY
What is starch formed from?
From thousands of glucose units joined together and so when starch is digested the big molecule is gradually broken down into smaller pieces and as this happens energy is released
What section of the eat well plate are starchy foods found?
Bread, rice, potatoes and pasta
What are sources of starch?
Potatoes Bread Rice Quinoa Pasta Cereal Fruit/veg Cous-cous
What is sugar?
A very small molecule which is digested very quickly - this is why it provides a fairly immediate supply of energy
Sources of sugary foods?
Fruit juices Confectionary Cakes and buns Biscuits Jelly Table sugar Ice cream Sugar in dairy products
What is NSP another type of?
Polysaccharide
How much are adults advised to have an intake of per day?
18g
What are the 2 main types on NSP?
Insoluble and soluble NSP
What foods are high in insoluble NSP?
Whole grain products Fruit skins Oats Nuts Pulses Beans Fruit and veg
What are the functions of insoluble NSP?
It acts like a spine and absorbs water as it moves through the digestive system.
This adds bulk to the faeces making it soft and easily removed from the body, therefore reducing the risk of constipation and gut diseases eg diverticulitis and bowel cancer