Carbohydrates and Health Flashcards
refers to how quickly carbs are digested, how high blood glucose rise, how quickly blood glucose levels return to normal
Glycemic effect
Glycemic index
developed for rating foods based on their potential to raise blood glucose
the less common type of diabetes with no insulin produced by the body
Type 1 diabetes
The more common
type of diabetes where fat cells resist insulin
Type 2 diabetes
low blood glucose and
can often be controlled by dietary changes
Hypoglycemia
Sugar that is added to foods during processing, cooking, or before eating
Added Sugar
Sugar that is naturally found in whole, unprocessed foods such as fruits.
Natural Sugar
Not all natural sugars are nutritious. Example is:
Honey
Protection from heart disease and stroke
Starch and Fibers
bind with bile and thereby lower blood cholesterol levels
Soluble fibers
How do fibers decrease type 2 DM?
decrease glucose absorption
Harmful effects of excessive fiber intake
- Displaces energy and nutrient-dense foods
- Abdominal discomfort and distention
- May interfere with nutrient absorption
Recommended intake for carbohydrate by RDA
130 g, 45% - 65% energy intake
Recommended intake of fibers from FDA
25 grams for 2000 kcalorie diet
encourage whole grains
grains
starchy and non-starchy
vegetables differ in carbohydrate content
vegetable
vary in water, fiber and sugar
content
fruits
contain carbohydrate; cheese is low
milks and milk products
meats are low but nuts and legumes have some carbohydrate
meat and meath alternaties
also called nonnutritive sweeteners
Artificial sweeteners
- Used primarily in soft drinks and as a tabletop sweetener
- Rapidly excreted in the urine
- Does not accumulate in the body
- Has been removed from list of cancer causing substances
Saccharin
General purpose sweetener
- Warning about phenylalanine for those with PKU
- Controversial finding that aspartame may have caused cancer in rats
- Excessive intake should be avoided by those with epilepsy
Aspartame
A genetic mutation, inability to make phenylalanine hydroxylase
PKU (phenylketonuria)
metabolic breakdown of phenylalanine produces a number of key compounds needed by our bodies like
melanin and thyroxine