Carbohydrates Flashcards
What are the main two types of carbohydrates ?
- Sugar
- Starch
What are the two ways we can get sugary carbohydrates
- They can be found naturally
- They can be added during the manufacturing process
What foods can sugary carbohydrates naturally be found in ?
- Fruits
- Vegetables
What foods can added sugary carbohydrates be found in ?
- Cakes
- Sweets
- Fizzy pop
What can sugary carbohydrates be referred to and why ?
Empty calories because they have no nutritional benefits other than energy
What foods can starchy carbohydrates be found in ?
- Potatoes
- Bread
- Pasta
- Rice
- Cereals
What nutrients do starchy carbohydrates have ?
- B vitamins
- Iron
- Calcium
- Whole grain also have a high fibre content
Sugary carbohydrates are also known as simple carbohydrates what do they do ?
They are digested quickly by the body making the blood sugar rise quickly providing a short burst of energy
Starchy carbohydrates are also known as complex carbohydrates what do they do ?
They take longer to digest so they slowly increase the blood sugar levels providing a slow release of energy also giving the full feeling for longer
What happens when the body has an excess of carbohydrates ?
- If we consume more than can be used it is converted into fats possibly leading to obesity (sugars are ready to be used almost immediately so if not they also convert to fat stores)
- Too much sugary foods can lead to tooth decay and sometimes dental caries/cavities and in worse cases type 2 diabetes
What happens if the body has a deficiency of carbohydrates ?
- The blood sugar to drop causing: hunger, dizziness, tiredness and a lack of energy
- Not enough energy means using up our fat stores which could lead to becoming underweight (the fat deficiency could then lead to a lack of protein in our body meaning we loose muscle making us weaker)
What percentage of our daily food consumption should be carbohydrates according to the Eatwell guide ?
38% but mainly starchy carbohydrates
What percentage of energy should come from carbohydrates?
50% but no more than 5% should be sugar and processed foods
How many grams of carbohydrates should the average male consume in a day ?
Between 225 and 325g a day
How many grams of carbohydrates should an average female consume in a day ?
Between 225 and 325g a day