nutrition basic Flashcards
(43 cards)
what are the 6 classes of nutrients?
proteins, fats, carbs, minerals, water, vitamins
how many nutrients does the body require?
around 50 essential nutrients divided into the 6 classes
what is 1 kilocalerie?
1000 calories. amount of heat it takes to raise the temp of 1 litre of water 1 degree C
how many calories are in a gram of fat?
9
how many calories are in a gram of protein?
4
how many calories are in a gram of carbohydrate?
4
how many calories are in a gram of alcohol?
7
what does protein do?
Form important parts of blood, enzymes, some hormones, cell membranes
what is protein composed of?
9 essential amino acids
what do fats do?
Help absorption of fat-soluble vitamins. Insulate our bodies to retain heat and provide a protective cushion for internal organs.
what are the types of essential fats?
Essential fats include linoleic acid and alpha-linoleic acid
what are the 3 forms of fats?
saturated, monounsaturated, polyunsaturated
what are trans fatty acids? found where?
unsaturated fatty acids with an atypical shape produced by hydrogenation. can be found in fried food
what type of fat should you choose to decrease the risk of heart disease?
unsaturated fats
what are carbohydrates?
Various combinations of sugar units (saccharides).
what are carbohydrates mainly used for?
Used primarily for energy
what type of groups are carbohydrates classified into?
simple and complex
what are examples of simple carbohydrates?
sucrose, fructose, maltose, lactose
what are complex carbohydrates? where can they be found?
starches. among the most important sources of dietary carbohydrates. can be found in grains and vegies
what is fibre?
non-digestible carbohydrate found in plants
what can fibre do for you?
decrease risk of type 2 diabetes/heart disease, increase gastrointestinal health
what prevents constipation, hemorrhoids, other digestive disorders?
insoluble fibre
what do vitamins do?
energy production, growth of healthy tissue, use of minerals
how many essential vitamins are there? how many are fat soluble? water soluble?
13 essential vitamins. 4 fat soluble. 9 water soluble